diff options
Diffstat (limited to 'test/files/pos')
180 files changed, 1378 insertions, 957 deletions
diff --git a/test/files/pos/MailBox.scala b/test/files/pos/MailBox.scala index 8e27bd362d..6bb25adb19 100644 --- a/test/files/pos/MailBox.scala +++ b/test/files/pos/MailBox.scala @@ -1,6 +1,6 @@ package test; -import scala.actors.TIMEOUT; +object TIMEOUT class MailBox { diff --git a/test/files/pos/SI-7060.flags b/test/files/pos/SI-7060.flags deleted file mode 100644 index c926ad6493..0000000000 --- a/test/files/pos/SI-7060.flags +++ /dev/null @@ -1 +0,0 @@ --Yinline -Ydead-code diff --git a/test/files/pos/SI-7060.scala b/test/files/pos/SI-7060.scala deleted file mode 100644 index c87620e020..0000000000 --- a/test/files/pos/SI-7060.scala +++ /dev/null @@ -1,11 +0,0 @@ -object Test { - - @inline final def mbarray_apply_minibox(array: Any, tag: Byte): Long = - if (tag == 0) { - array.asInstanceOf[Array[Long]](0) - } else - array.asInstanceOf[Array[Byte]](0).toLong - - def crash_method(): Unit = - mbarray_apply_minibox(null, 0) -} diff --git a/test/files/pos/alladin763.scala b/test/files/pos/alladin763.scala new file mode 100644 index 0000000000..29c9b25318 --- /dev/null +++ b/test/files/pos/alladin763.scala @@ -0,0 +1,37 @@ +// Test from http://lrytz.github.io/scala-aladdin-bugtracker/displayItem.do%3Fid=763.html +// and expanded with package object variants + + +trait Foo { type T; def apply() : T } +object e extends Foo { type T = Int; def apply() = 42 } + +package p { + trait T[X] { def O : { def apply(): X } } + object `package` extends T[Int] { + def O: { def apply(): Int } = new { def apply(): Int = 42 } + } + + object Test { + val x: Int = O() + } +} + +object Test { + + val f = new Foo { type T = Int; def apply() = 42 } + + def main(args: Array[String]): Unit = { + val g = new Foo { type T = Int; def apply() = 42 } + + (e: Foo)() + val ee: Int = e() + + (f: Foo)() + val ff: Int = f() + + (g: Foo)() + val gg: Int = g() + + val pp: Int = p.O() + } +} diff --git a/test/files/pos/arrays2.scala b/test/files/pos/arrays2.scala index 795c486e37..b770d21b8a 100644 --- a/test/files/pos/arrays2.scala +++ b/test/files/pos/arrays2.scala @@ -17,7 +17,7 @@ object arrays4 { // #2461 object arrays3 { - import scala.collection.JavaConversions._ + import collection.convert.ImplicitConversions._ def apply[X](xs : X*) : java.util.List[X] = java.util.Arrays.asList(xs: _*) } diff --git a/test/files/pos/constant-warning.check b/test/files/pos/constant-warning.check new file mode 100644 index 0000000000..f7df2165d1 --- /dev/null +++ b/test/files/pos/constant-warning.check @@ -0,0 +1,4 @@ +constant-warning.scala:2: warning: Evaluation of a constant expression results in an arithmetic error: / by zero + val fails = 1 + 2 / (3 - 2 - 1) + ^ +one warning found diff --git a/test/files/pos/constant-warning.flags b/test/files/pos/constant-warning.flags new file mode 100644 index 0000000000..d00cbbe77b --- /dev/null +++ b/test/files/pos/constant-warning.flags @@ -0,0 +1 @@ +-Xlint:constant diff --git a/test/files/pos/constant-warning.scala b/test/files/pos/constant-warning.scala new file mode 100644 index 0000000000..c8ca8823e7 --- /dev/null +++ b/test/files/pos/constant-warning.scala @@ -0,0 +1,3 @@ +object Test { + val fails = 1 + 2 / (3 - 2 - 1) +} diff --git a/test/files/pos/fields_widen_trait_var.scala b/test/files/pos/fields_widen_trait_var.scala new file mode 100644 index 0000000000..0ea9d9629a --- /dev/null +++ b/test/files/pos/fields_widen_trait_var.scala @@ -0,0 +1,4 @@ +// check that the `var x` below is assigned the type `Int`, and not `Constant(0)`, +// and that we can assign to it (if it gets a constant type, the `x` in `x = 42` +// is constant-folded to `0` and we can't find a setter.. +trait C { protected final var x = 0; x = 42 } diff --git a/test/files/pos/fun_undo_eta.scala b/test/files/pos/fun_undo_eta.scala new file mode 100644 index 0000000000..466b0e2629 --- /dev/null +++ b/test/files/pos/fun_undo_eta.scala @@ -0,0 +1,10 @@ +class Test { + def m(i: Int) = i + + def expectWild[A](f: A) = ??? + def expectFun[A](f: A => Int) = ??? + + expectWild((i => m(i))) // manual eta expansion + expectWild(m(_)) // have to undo eta expansion with wildcard expected type + expectFun(m(_)) // have to undo eta expansion with function expected type +} diff --git a/test/files/pos/functions.scala b/test/files/pos/functions.scala index 0207523dde..25d1c46eac 100644 --- a/test/files/pos/functions.scala +++ b/test/files/pos/functions.scala @@ -1,4 +1,6 @@ -import scala.actors.Actor +object Actor { + def receive[A](f: PartialFunction[Any, A]): A = ??? +} object Test { diff --git a/test/files/pos/hkgadt.scala b/test/files/pos/hkgadt.scala index efd7d3df21..5719c752cd 100644 --- a/test/files/pos/hkgadt.scala +++ b/test/files/pos/hkgadt.scala @@ -1,18 +1,35 @@ -package test - object HKGADT { sealed trait Foo[F[_]] final case class Bar() extends Foo[List] def frob[F[_]](foo: Foo[F]): F[Int] = foo match { - case Bar() => - List(1) + case Bar() => List(1) + } + + sealed trait Foo1[F] + final case class Bar1() extends Foo1[Int] + def frob1[A](foo: Foo1[A]): A = foo match { + case Bar1() => 1 + } +} + +object HKGADT2 { + sealed trait Foo[F[_]] + final case class Bar() extends Foo[List] + final case class Baz() extends Foo[Set] + + def frob[F[_]](foo: Foo[F]): F[Int] = + foo match { + case Bar() => List(1) + case Baz() => Set(1) } sealed trait Foo1[F] final case class Bar1() extends Foo1[Int] - def frob1[A](foo: Foo1[A]) = foo match { + final case class Baz1() extends Foo1[Boolean] + def frob1[A](foo: Foo1[A]): A = foo match { case Bar1() => 1 + case Baz1() => true } } diff --git a/test/files/pos/infer_override_def_args.flags b/test/files/pos/infer_override_def_args.flags new file mode 100644 index 0000000000..d1a8244169 --- /dev/null +++ b/test/files/pos/infer_override_def_args.flags @@ -0,0 +1 @@ +-Yinfer-argument-types
\ No newline at end of file diff --git a/test/files/pos/infer_override_def_args.scala b/test/files/pos/infer_override_def_args.scala new file mode 100644 index 0000000000..ac10720c81 --- /dev/null +++ b/test/files/pos/infer_override_def_args.scala @@ -0,0 +1,5 @@ +abstract class A { def foo(a: Int): A } +class B extends A { + implicit def spackle(x: Int): A = new B + def foo(a) = a +}
\ No newline at end of file diff --git a/test/files/pos/inline-access-levels.flags b/test/files/pos/inline-access-levels.flags index 882f40f050..faa7d2b186 100644 --- a/test/files/pos/inline-access-levels.flags +++ b/test/files/pos/inline-access-levels.flags @@ -1 +1 @@ --optimise -Xfatal-warnings -Yinline-warnings +-opt:l:classpath -Xfatal-warnings -opt-warnings diff --git a/test/files/pos/inliner2.flags b/test/files/pos/inliner2.flags deleted file mode 100644 index ea03113c66..0000000000 --- a/test/files/pos/inliner2.flags +++ /dev/null @@ -1 +0,0 @@ --optimise -Xfatal-warnings
\ No newline at end of file diff --git a/test/files/pos/inliner2.scala b/test/files/pos/inliner2.scala deleted file mode 100644 index bc83e04312..0000000000 --- a/test/files/pos/inliner2.scala +++ /dev/null @@ -1,57 +0,0 @@ -// This isn't actually testing much, because no warning is emitted in versions -// before the fix which comes with this because the method isn't even considered -// for inlining due to the bug. -class A { - private var debug = false - @inline private def ifelse[T](cond: => Boolean, ifPart: => T, elsePart: => T): T = - if (cond) ifPart else elsePart - - final def bob1() = ifelse(debug, 1, 2) - final def bob2() = if (debug) 1 else 2 -} -// Cool: -// -// % ls -1 /tmp/2901/ -// A$$anonfun$bob1$1.class -// A$$anonfun$bob1$2.class -// A$$anonfun$bob1$3.class -// A.class -// % ls -1 /tmp/trunk -// A.class -// -// Observations: -// -// (1) The inlined version accesses the field: the explicit one calls the accessor. -// (2) The inlined version fails to eliminate boxing. With reference types it emits -// an unneeded checkcast. -// (3) The private var debug is mangled to A$$debug, but after inlining it is never accessed -// from outside of the class and doesn't need mangling. -// (4) We could forego emitting bytecode for ifelse entirely if it has been -// inlined at all sites. -// -// Generated bytecode for the above: -// -// public final int bob1(); -// Code: -// Stack=1, Locals=1, Args_size=1 -// 0: aload_0 -// 1: getfield #11; //Field A$$debug:Z -// 4: ifeq 14 -// 7: iconst_1 -// 8: invokestatic #41; //Method scala/runtime/BoxesRunTime.boxToInteger:(I)Ljava/lang/Integer; -// 11: goto 18 -// 14: iconst_2 -// 15: invokestatic #41; //Method scala/runtime/BoxesRunTime.boxToInteger:(I)Ljava/lang/Integer; -// 18: invokestatic #45; //Method scala/runtime/BoxesRunTime.unboxToInt:(Ljava/lang/Object;)I -// 21: ireturn -// -// public final int bob2(); -// Code: -// Stack=1, Locals=1, Args_size=1 -// 0: aload_0 -// 1: invokevirtual #48; //Method A$$debug:()Z -// 4: ifeq 11 -// 7: iconst_1 -// 8: goto 12 -// 11: iconst_2 -// 12: ireturn diff --git a/test/files/pos/issue244.scala b/test/files/pos/issue244.scala new file mode 100644 index 0000000000..f9189c9313 --- /dev/null +++ b/test/files/pos/issue244.scala @@ -0,0 +1,2 @@ +trait T { lazy val overloaded: String = "a" } +class C extends T { def overloaded(a: String): String = "b" } diff --git a/test/files/pos/java-type-annotations/NotNull.java b/test/files/pos/java-type-annotations/NotNull.java new file mode 100644 index 0000000000..2716fe1a99 --- /dev/null +++ b/test/files/pos/java-type-annotations/NotNull.java @@ -0,0 +1,6 @@ +import java.lang.annotation.*; + +@Retention(RetentionPolicy.RUNTIME) +@Target({ElementType.TYPE_USE, ElementType.TYPE_PARAMETER}) +public @interface NotNull { +} diff --git a/test/files/pos/java-type-annotations/Test.java b/test/files/pos/java-type-annotations/Test.java new file mode 100644 index 0000000000..d6bda1dedb --- /dev/null +++ b/test/files/pos/java-type-annotations/Test.java @@ -0,0 +1,4 @@ +public class Test { + static class C<@NotNull T> {}; + @NotNull String foo() { return ""; } +} diff --git a/test/files/pos/javaConversions-2.10-ambiguity.scala b/test/files/pos/javaConversions-2.10-ambiguity.scala index c4aad6cbfc..b08568f475 100644 --- a/test/files/pos/javaConversions-2.10-ambiguity.scala +++ b/test/files/pos/javaConversions-2.10-ambiguity.scala @@ -1,5 +1,5 @@ -import collection.{JavaConversions, mutable, concurrent} -import JavaConversions._ +import collection.{mutable, concurrent} +import collection.convert.ImplicitConversionsToScala._ import java.util.concurrent.{ConcurrentHashMap => CHM} object Bar { diff --git a/test/files/pos/javaConversions-2.10-regression.scala b/test/files/pos/javaConversions-2.10-regression.scala index 7c7ff03b55..8d84c92b61 100644 --- a/test/files/pos/javaConversions-2.10-regression.scala +++ b/test/files/pos/javaConversions-2.10-regression.scala @@ -1,10 +1,10 @@ -import collection.{JavaConversions, mutable, concurrent} -import JavaConversions._ +import collection.{convert, mutable, concurrent, JavaConverters} +import convert.ImplicitConversionsToScala._ import java.util.concurrent.{ConcurrentHashMap => CHM} object Foo { def buildCache2_9_simple[K <: AnyRef, V <: AnyRef]: concurrent.Map[K, V] = - mapAsScalaConcurrentMap(new CHM()) + JavaConverters.mapAsScalaConcurrentMap(new CHM()) def buildCache2_9_implicit[K <: AnyRef, V <: AnyRef]: concurrent.Map[K, V] = new CHM[K, V]() diff --git a/test/files/pos/list-optim-check.flags b/test/files/pos/list-optim-check.flags deleted file mode 100644 index 49d036a887..0000000000 --- a/test/files/pos/list-optim-check.flags +++ /dev/null @@ -1 +0,0 @@ --optimize diff --git a/test/files/pos/list-optim-check.scala b/test/files/pos/list-optim-check.scala deleted file mode 100644 index f6e6ddec77..0000000000 --- a/test/files/pos/list-optim-check.scala +++ /dev/null @@ -1,21 +0,0 @@ -// Tests a map known to crash in optimizer with faster List map in SI-8240. -// Equivalent tests for collect and flatmap do not crash, but are provided -// anyway. -// See ticket SI-8334 for optimizer bug. -// TODO - Remove this test once SI-8334 is fixed and has its own test. -class A { - def f: Boolean = { - val xs = Nil map (_ => return false) - true - } - - def g: Boolean = { - val xs = Nil collect { case _ => return false } - true - } - - def h: Boolean = { - val xs = Nil flatMap { _ => return false } - true - } -} diff --git a/test/files/pos/lub-from-hell.scala b/test/files/pos/lub-from-hell.scala new file mode 100644 index 0000000000..cb4b1733c7 --- /dev/null +++ b/test/files/pos/lub-from-hell.scala @@ -0,0 +1,6 @@ +class Test { + trait Tree + def foo(b: Boolean, buf: collection.mutable.ArrayBuffer[Any], acc: StringBuilder) = if (b) buf else acc +} +// This test case minimizes a case that failed to compile due to a bug in my work on +// SI-5294. After refining my patches, it compiles again, as expected.
\ No newline at end of file diff --git a/test/files/pos/native-warning.scala b/test/files/pos/native-warning.scala index f721a57e8f..a2918c11b5 100644 --- a/test/files/pos/native-warning.scala +++ b/test/files/pos/native-warning.scala @@ -1,3 +1,7 @@ class A { @native def setup(): Unit + + // also kosher + @native private def f(): Unit + @native final def g(): Unit } diff --git a/test/files/pos/overloaded_ho_fun.scala b/test/files/pos/overloaded_ho_fun.scala new file mode 100644 index 0000000000..17176715f0 --- /dev/null +++ b/test/files/pos/overloaded_ho_fun.scala @@ -0,0 +1,66 @@ +import scala.math.Ordering +import scala.reflect.ClassTag + +trait Sam { def apply(x: Int): String } +trait SamP[U] { def apply(x: Int): U } + +class OverloadedFun[T](x: T) { + def foo(f: T => String): String = f(x) + def foo(f: Any => T): T = f("a") + + def poly[U](f: Int => String): String = f(1) + def poly[U](f: Int => U): U = f(1) + + def polySam[U](f: Sam): String = f(1) + def polySam[U](f: SamP[U]): U = f(1) + + // check that we properly instantiate java.util.function.Function's type param to String + def polyJavaSam(f: String => String) = 1 + def polyJavaSam(f: java.util.function.Function[String, String]) = 2 +} + +class StringLike(xs: String) { + def map[A](f: Char => A): Array[A] = ??? + def map(f: Char => Char): String = ??? +} + +object Test { + val of = new OverloadedFun[Int](1) + + of.foo(_.toString) + + of.poly(x => x / 2 ) + of.polySam(x => x / 2 ) + of.polyJavaSam(x => x) + + val sl = new StringLike("a") + sl.map(_ == 'a') // : Array[Boolean] + sl.map(x => 'a') // : String +} + +object sorting { + def stableSort[K: ClassTag](a: Seq[K], f: (K, K) => Boolean): Array[K] = ??? + def stableSort[L: ClassTag](a: Array[L], f: (L, L) => Boolean): Unit = ??? + + stableSort(??? : Seq[Boolean], (x: Boolean, y: Boolean) => x && !y) +} + +// trait Bijection[A, B] extends (A => B) { +// def andThen[C](g: Bijection[B, C]): Bijection[A, C] = ??? +// def compose[T](g: Bijection[T, A]) = g andThen this +// } + +object SI10194 { + trait X[A] { + def map[B](f: A => B): Unit + } + + trait Y[A] extends X[A] { + def map[B](f: A => B)(implicit ordering: Ordering[B]): Unit + } + + trait Z[A] extends Y[A] + + (null: Y[Int]).map(x => x.toString) // compiled + (null: Z[Int]).map(x => x.toString) // didn't compile +} diff --git a/test/files/pos/sam_erasure_boundedwild.scala b/test/files/pos/sam_erasure_boundedwild.scala new file mode 100644 index 0000000000..1ec27e0ea4 --- /dev/null +++ b/test/files/pos/sam_erasure_boundedwild.scala @@ -0,0 +1,11 @@ +class Test { + trait Q[T] { + def toArray[T](x: Array[T]): Array[T] + def toArray(): Array[T] + } + + def crashTyper: Array[_] = { + val x : Q[_] = ??? + x.toArray // crashes while doing overload resolution + } +}
\ No newline at end of file diff --git a/test/files/pos/sammy_ctor_arg.scala b/test/files/pos/sammy_ctor_arg.scala new file mode 100644 index 0000000000..3c556d59f0 --- /dev/null +++ b/test/files/pos/sammy_ctor_arg.scala @@ -0,0 +1,4 @@ +trait Fun[A, B] { def apply(a: A): B } +// can't do sam expansion until the sam body def is a static method in the sam class, and not a local method in a block' +class C(f: Fun[Int, String]) +class Test extends C(s => "a")
\ No newline at end of file diff --git a/test/files/pos/sammy_extends_function.scala b/test/files/pos/sammy_extends_function.scala new file mode 100644 index 0000000000..e8cf5d8749 --- /dev/null +++ b/test/files/pos/sammy_extends_function.scala @@ -0,0 +1,4 @@ +// https://github.com/scala/scala-dev/issues/206 + +trait T extends Function1[String, String] +object O { (x => x): T } diff --git a/test/files/pos/sammy_implicit.scala b/test/files/pos/sammy_implicit.scala new file mode 100644 index 0000000000..ab63fc729e --- /dev/null +++ b/test/files/pos/sammy_implicit.scala @@ -0,0 +1,11 @@ +trait Fun[A, B] { def apply(a: A): B } + +abstract class SamImplicitConvert { + class Lst[T] + abstract class Str { def getBytes: Array[Int] } + def flatMap[B](f: Fun[Str, Lst[B]]): List[B] = ??? + + implicit def conv(xs: Array[Int]): Lst[Int] + + def encoded = flatMap (_.getBytes) +} diff --git a/test/files/pos/sammy_infer_argtype_subtypes.scala b/test/files/pos/sammy_infer_argtype_subtypes.scala new file mode 100644 index 0000000000..63966f879e --- /dev/null +++ b/test/files/pos/sammy_infer_argtype_subtypes.scala @@ -0,0 +1,6 @@ +trait Fun[A, B] { def apply(a: A): B } + +class SamInferResult { + def foreach[U](f: Fun[String, U]): U = ??? + def foo = foreach(println) +}
\ No newline at end of file diff --git a/test/files/pos/sammy_inferargs.scala b/test/files/pos/sammy_inferargs.scala new file mode 100644 index 0000000000..10d9b4f0dd --- /dev/null +++ b/test/files/pos/sammy_inferargs.scala @@ -0,0 +1,6 @@ +trait Proc { def apply(): Unit } +class Test { + val initCode = List[Proc]() + initCode foreach { proc => proc() } + +} diff --git a/test/files/pos/sammy_overload.flags b/test/files/pos/sammy_overload.flags deleted file mode 100644 index 48fd867160..0000000000 --- a/test/files/pos/sammy_overload.flags +++ /dev/null @@ -1 +0,0 @@ --Xexperimental diff --git a/test/files/pos/sammy_overload.scala b/test/files/pos/sammy_overload.scala index 5472248f4d..6a3c88ec55 100644 --- a/test/files/pos/sammy_overload.scala +++ b/test/files/pos/sammy_overload.scala @@ -6,4 +6,29 @@ object Test { def foo(x: String): Unit = ??? def foo(): Unit = ??? val f: Consumer[_ >: String] = foo -}
\ No newline at end of file +} + +trait A[A, B] { def apply(a: A): B } + +class ArityDisambiguate { + object O { + def m(a: A[Int, Int]) = 0 + def m(f: (Int, Int) => Int) = 1 + } + + O.m(x => x) // ok + O.m((x, y) => x) // ok +} + +class InteractionWithImplicits { + object O { + class Ev + implicit object E1 extends Ev + implicit object E2 extends Ev + def m(a: A[Int, Int])(implicit ol: E1.type) = 0 + def m(a: A[String, Int])(implicit ol: E2.type) = 1 + } + + O.m((x: Int) => 1) // ok + O.m((x: String) => 1) // ok +} diff --git a/test/files/pos/sammy_override.flags b/test/files/pos/sammy_override.flags deleted file mode 100644 index 48fd867160..0000000000 --- a/test/files/pos/sammy_override.flags +++ /dev/null @@ -1 +0,0 @@ --Xexperimental diff --git a/test/files/pos/sammy_poly.flags b/test/files/pos/sammy_poly.flags deleted file mode 100644 index 48fd867160..0000000000 --- a/test/files/pos/sammy_poly.flags +++ /dev/null @@ -1 +0,0 @@ --Xexperimental diff --git a/test/files/pos/sammy_poly.scala b/test/files/pos/sammy_poly.scala index c629be7166..ba10baea49 100644 --- a/test/files/pos/sammy_poly.scala +++ b/test/files/pos/sammy_poly.scala @@ -1,7 +1,12 @@ // test synthesizeSAMFunction where the sam type is not fully defined -class T { - trait F[T, U] { def apply(x: T): U } - // NOTE: the f(x) desugaring for now assumes the single abstract method is called 'apply' +trait F[T, R]{ def apply(x: T): R } + +class PolySammy { + (x => x + 1): F[Int, Int] + ((x: Int) => x + 1): F[Int, Int] + ((x: String) => 1): F[String, Int] + ((x: Object) => 1): F[String, Int] + def app[T, U](x: T)(f: F[T, U]): U = f(x) app(1)(x => List(x)) -}
\ No newline at end of file +} diff --git a/test/files/pos/sammy_scope.flags b/test/files/pos/sammy_scope.flags deleted file mode 100644 index 48fd867160..0000000000 --- a/test/files/pos/sammy_scope.flags +++ /dev/null @@ -1 +0,0 @@ --Xexperimental diff --git a/test/files/pos/sammy_scope.scala b/test/files/pos/sammy_scope.scala index 8f1fe7058e..9d35501a47 100644 --- a/test/files/pos/sammy_scope.scala +++ b/test/files/pos/sammy_scope.scala @@ -1,8 +1,8 @@ // test synthesizeSAMFunction: scope hygiene -abstract class SamFun[T1, R] { self => +trait SamFun[T1, R] { self => def apply(v1: T1): R // this should type check, as the apply ref is equivalent to self.apply // it shouldn't resolve to the sam's apply that's synthesized (that wouldn't type check, hence the pos test) def compose[A](g: SamFun[A, T1]): SamFun[A, R] = { x => apply(g(x)) } -}
\ No newline at end of file +} diff --git a/test/files/pos/sammy_single.flags b/test/files/pos/sammy_single.flags deleted file mode 100644 index 48fd867160..0000000000 --- a/test/files/pos/sammy_single.flags +++ /dev/null @@ -1 +0,0 @@ --Xexperimental diff --git a/test/files/pos/sammy_twice.flags b/test/files/pos/sammy_twice.flags deleted file mode 100644 index 48fd867160..0000000000 --- a/test/files/pos/sammy_twice.flags +++ /dev/null @@ -1 +0,0 @@ --Xexperimental diff --git a/test/files/pos/sd219.scala b/test/files/pos/sd219.scala new file mode 100644 index 0000000000..3c3f4962f0 --- /dev/null +++ b/test/files/pos/sd219.scala @@ -0,0 +1,11 @@ +class Global { class Name } + +trait CommonPrintUtils { + val global: Global + + lazy val precedence: global.Name => Int = ??? +} + +trait CompilerProvider { val global: Global = ??? } + +class AbstractPrinter extends CommonPrintUtils with CompilerProvider
\ No newline at end of file diff --git a/test/files/pos/sd248/Prop_1.scala b/test/files/pos/sd248/Prop_1.scala new file mode 100644 index 0000000000..d5decda547 --- /dev/null +++ b/test/files/pos/sd248/Prop_1.scala @@ -0,0 +1,2 @@ +package p +object Prop { class Whitelist } diff --git a/test/files/pos/sd248/Test_2.scala b/test/files/pos/sd248/Test_2.scala new file mode 100644 index 0000000000..602e6d37b5 --- /dev/null +++ b/test/files/pos/sd248/Test_2.scala @@ -0,0 +1,5 @@ +package p + +object PropTest { + def t = new Prop.Whitelist +} diff --git a/test/files/pos/sd248/package_1.scala b/test/files/pos/sd248/package_1.scala new file mode 100644 index 0000000000..a90354e66f --- /dev/null +++ b/test/files/pos/sd248/package_1.scala @@ -0,0 +1,3 @@ +package object p { + type Prop = String +} diff --git a/test/files/pos/sd268.scala b/test/files/pos/sd268.scala new file mode 100644 index 0000000000..8839651501 --- /dev/null +++ b/test/files/pos/sd268.scala @@ -0,0 +1,17 @@ +class Context(val v : AnyRef) + +trait AbidePlugin { + val someVal = "" + + val x = null.asInstanceOf[Context { val v : someVal.type }] // CRASH + lazy val y = null.asInstanceOf[Context { val v : someVal.type }] // CRASH + var z = null.asInstanceOf[Context { val v : someVal.type }] // CRASH +} + +class C { + val someVal = "" + + val x = null.asInstanceOf[Context { val v : someVal.type }] + lazy val y = null.asInstanceOf[Context { val v : someVal.type }] // CRASH + var z = null.asInstanceOf[Context { val v : someVal.type }] +} diff --git a/test/files/pos/sealed-final.flags b/test/files/pos/sealed-final.flags deleted file mode 100644 index cfabf7a5b4..0000000000 --- a/test/files/pos/sealed-final.flags +++ /dev/null @@ -1 +0,0 @@ --Xfatal-warnings -Yinline-warnings -optimise
\ No newline at end of file diff --git a/test/files/pos/sealed-final.scala b/test/files/pos/sealed-final.scala deleted file mode 100644 index bdedb5c1f6..0000000000 --- a/test/files/pos/sealed-final.scala +++ /dev/null @@ -1,14 +0,0 @@ -sealed abstract class Foo { - @inline def bar(x: Int) = x + 1 -} -object Foo { - def mkFoo(): Foo = new Baz2 -} - -object Baz1 extends Foo -final class Baz2 extends Foo - -object Test { - // bar should be inlined now - def f = Foo.mkFoo() bar 10 -} diff --git a/test/files/pos/shapeless-regression.scala b/test/files/pos/shapeless-regression.scala new file mode 100644 index 0000000000..f3a1ed1ba0 --- /dev/null +++ b/test/files/pos/shapeless-regression.scala @@ -0,0 +1,16 @@ +class W[T <: AnyRef](val t: T) { + val v: T {} = t +} + +object W { + def apply[T <: AnyRef](t: T) = new W[t.type](t) +} + +object RightAssoc { + def ra_:[T](t: T): Unit = () +} + +object Boom { + W("fooo").v ra_: RightAssoc +} + diff --git a/test/files/pos/t10009.scala b/test/files/pos/t10009.scala new file mode 100644 index 0000000000..7cd96f0f3d --- /dev/null +++ b/test/files/pos/t10009.scala @@ -0,0 +1,6 @@ +class C { + def c(a: Any, b: Any*) = a +} +object Test { + new C().c(b = new { val x = 42 }, a = 0) +} diff --git a/test/files/pos/t10066.scala b/test/files/pos/t10066.scala new file mode 100644 index 0000000000..bef85cb08c --- /dev/null +++ b/test/files/pos/t10066.scala @@ -0,0 +1,38 @@ +package dynamicrash + +import scala.language.dynamics + +class Config + +trait Extractor[A] { + def extract(config: Config, name: String): A +} + +object Extractor { + // this has "implicit", unlike the corresponding neg test + implicit val stringExtractor = new Extractor[String] { + override def extract(config: Config, name: String): String = ??? + } +} + +class Workspace extends Dynamic { + val config: Config = new Config + + def selectDynamic[A](name: String)(implicit extractor: Extractor[A]): A = + extractor.extract(config, name) +} + +object Main { + val storage = new Workspace + + // this line works fine + // val a = storage.foo + + // this line crashes the compiler ("head of empty list") + // in ContextErrors$InferencerContextErrors$InferErrorGen$.NotWithinBoundsErrorMessage + println(storage.foo[String]) + + // this line crashes the compiler in different way ("unknown type") + // in the backend, warning: an unexpected type representation reached the compiler backend while compiling Test.scala: <error> + println(storage.foo) +} diff --git a/test/files/pos/t10093.flags b/test/files/pos/t10093.flags new file mode 100644 index 0000000000..85d8eb2ba2 --- /dev/null +++ b/test/files/pos/t10093.flags @@ -0,0 +1 @@ +-Xfatal-warnings diff --git a/test/files/pos/t10093.scala b/test/files/pos/t10093.scala new file mode 100644 index 0000000000..a894a54926 --- /dev/null +++ b/test/files/pos/t10093.scala @@ -0,0 +1,5 @@ +class A[@specialized(Int) T](val value: T) { + trait B + def useValue(x:T): Unit = () + useValue(value) +} diff --git a/test/files/pos/t10154.scala b/test/files/pos/t10154.scala new file mode 100644 index 0000000000..51616b71d6 --- /dev/null +++ b/test/files/pos/t10154.scala @@ -0,0 +1,11 @@ +trait Bar2[T] + +object Test2 { + def wrap { + object Foo { + implicit def fooBar: Bar2[Foo.type] = ??? + } + + implicitly[Bar2[Foo.type]] + } +} diff --git a/test/files/pos/t10154b.scala b/test/files/pos/t10154b.scala new file mode 100644 index 0000000000..809a286c0e --- /dev/null +++ b/test/files/pos/t10154b.scala @@ -0,0 +1,16 @@ + import scala.language.existentials + + class Bar[T] + class Test { + def method = { + object Foo { + implicit def x: Bar[Foo.type] = new Bar[Foo.type] + } + type T = Foo.type + + { + object Foo + implicitly[Bar[T]] + } + } +} diff --git a/test/files/pos/t2171.flags b/test/files/pos/t2171.flags deleted file mode 100644 index eb4d19bcb9..0000000000 --- a/test/files/pos/t2171.flags +++ /dev/null @@ -1 +0,0 @@ --optimise
\ No newline at end of file diff --git a/test/files/pos/t2171.scala b/test/files/pos/t2171.scala deleted file mode 100644 index 6c754c76a6..0000000000 --- a/test/files/pos/t2171.scala +++ /dev/null @@ -1,7 +0,0 @@ -final object test { - def logIgnoredException(msg: => String) = - try 0 catch { case ex => println(msg) } - - def main (args: Array[String]): Unit = - while (true) logIgnoredException ("...") -} diff --git a/test/files/pos/t2293.scala b/test/files/pos/t2293.scala index 65f717f851..baa44552c9 100644 --- a/test/files/pos/t2293.scala +++ b/test/files/pos/t2293.scala @@ -1,5 +1,5 @@ -import scala.collection.JavaConversions._ +import scala.collection.convert.ImplicitConversionsToJava._ object Test { val m: java.util.Map[String,String] = collection.mutable.Map("1"->"2") -}
\ No newline at end of file +} diff --git a/test/files/pos/t2377b/Q.java b/test/files/pos/t2377b/Q.java new file mode 100644 index 0000000000..fbf9c776e9 --- /dev/null +++ b/test/files/pos/t2377b/Q.java @@ -0,0 +1,13 @@ +public class Q { + + public static class Builder {} + + public static class Inner { + public static class Builder { public void innerMethod() {} } + public Builder foo() { return new Builder(); } // this line gives an error, that Builder is ambiguous + + public Inner.Builder viaSelect() { return new Builder(); } // this line gives an error, that Builder is ambiguous + } + +} + diff --git a/test/files/pos/t2377b/a.scala b/test/files/pos/t2377b/a.scala new file mode 100644 index 0000000000..3053841589 --- /dev/null +++ b/test/files/pos/t2377b/a.scala @@ -0,0 +1,5 @@ +object Test { + (new Q.Inner).foo.innerMethod + (new Q.Inner).viaSelect.innerMethod + +} diff --git a/test/files/pos/t2956/t2956.scala b/test/files/pos/t2956/t2956.scala index eb6e817465..9b6ae8098f 100644 --- a/test/files/pos/t2956/t2956.scala +++ b/test/files/pos/t2956/t2956.scala @@ -1,7 +1,7 @@ -import scala.collection.JavaConversions._ +import scala.collection.convert.ImplicitConversionsToScala._ class Outer { protected class Inner extends BeanDefinitionVisitor { protected def visitMap(mapVal: Map[_, _]): Unit = () } -}
\ No newline at end of file +} diff --git a/test/files/pos/t3234.flags b/test/files/pos/t3234.flags new file mode 100644 index 0000000000..b88ec8709d --- /dev/null +++ b/test/files/pos/t3234.flags @@ -0,0 +1 @@ +-opt:l:project -opt-warnings -Xfatal-warnings diff --git a/test/files/pos/t3234.scala b/test/files/pos/t3234.scala new file mode 100644 index 0000000000..8c588e5aa9 --- /dev/null +++ b/test/files/pos/t3234.scala @@ -0,0 +1,17 @@ +trait Trait1 { + @inline final def foo2(n: Int) = n*n +} + +trait Trait2 { + @inline final def foo3(n: Int) = 1 +} + +class Base extends Trait1 { + @inline final def foo(n: Int) = n +} + +object Test extends Base with Trait2 { + def main(args: Array[String]) = { + println(foo(42) + foo2(11) + foo3(2)) + } +} diff --git a/test/files/pos/t3252.flags b/test/files/pos/t3252.flags deleted file mode 100644 index eb4d19bcb9..0000000000 --- a/test/files/pos/t3252.flags +++ /dev/null @@ -1 +0,0 @@ --optimise
\ No newline at end of file diff --git a/test/files/pos/t3252.scala b/test/files/pos/t3252.scala deleted file mode 100644 index 3ecc1e7cef..0000000000 --- a/test/files/pos/t3252.scala +++ /dev/null @@ -1,15 +0,0 @@ -class A { - def f(x : Boolean) : Thread = { - g { - x match { - case false => - B.h { } - } - } - } - - private def g[T](block : => T) = sys.error("") -} -object B { - def h(block : => Unit) : Nothing = sys.error("") -} diff --git a/test/files/pos/t3420.flags b/test/files/pos/t3420.flags index d37e817882..5eea92d94a 100644 --- a/test/files/pos/t3420.flags +++ b/test/files/pos/t3420.flags @@ -1 +1 @@ --optimise -Xfatal-warnings +-opt-warnings -opt:l:classpath -Xfatal-warnings
\ No newline at end of file diff --git a/test/files/pos/t3430.flags b/test/files/pos/t3430.flags deleted file mode 100644 index eb4d19bcb9..0000000000 --- a/test/files/pos/t3430.flags +++ /dev/null @@ -1 +0,0 @@ --optimise
\ No newline at end of file diff --git a/test/files/pos/t3430.scala b/test/files/pos/t3430.scala deleted file mode 100644 index 3129c6276a..0000000000 --- a/test/files/pos/t3430.scala +++ /dev/null @@ -1,13 +0,0 @@ -// package com.example - -object A { - def f1(f: String => Boolean) = f("a") - - def f2(): Boolean = - f1 { s1 => - f1 { s2 => - while (true) { } - true - } - } -}
\ No newline at end of file diff --git a/test/files/pos/t3688.scala b/test/files/pos/t3688.scala index d15e9d1a84..58464332d1 100644 --- a/test/files/pos/t3688.scala +++ b/test/files/pos/t3688.scala @@ -1,5 +1,5 @@ import collection.mutable -import collection.JavaConversions._ +import collection.convert.ImplicitConversionsToJava._ import java.{util => ju} object Test { @@ -11,4 +11,4 @@ object Test { object Test2 { def m[P <% ju.List[Int]](l: P) = 1 m(List(1)) // bug: should compile -}
\ No newline at end of file +} diff --git a/test/files/pos/t3772.scala b/test/files/pos/t3772.scala new file mode 100644 index 0000000000..62c433ebd1 --- /dev/null +++ b/test/files/pos/t3772.scala @@ -0,0 +1,8 @@ +class Test { + def m = { + case class C(c: Int) + object C { def xxx = true} + C(42).c + C.xxx + } +} diff --git a/test/files/pos/t4237.scala b/test/files/pos/t4237.scala index fcf6eb8bf1..3f605607b2 100644 --- a/test/files/pos/t4237.scala +++ b/test/files/pos/t4237.scala @@ -2,5 +2,16 @@ class A { (new { def field = 0; def field_=(i: Int) = () }).field = 5 // compiles as expected (new { def field(implicit i: Int) = 0; def field_=(i: Int) = () }).field = 5 // compiles even with implicit params on getter (new { def field = 0; def field_=[T](i: Int) = () }).field = 5 // compiles with type param on setter - (new { def field[T] = 0; def field_=(i: Int) = () }).field = 5 // DOESN'T COMPILE -}
\ No newline at end of file + (new { def field[T] = 0; def field_=(i: Int) = () }).field = 5 // DIDN'T COMPILE + + class Imp + implicit val imp: Imp = new Imp + implicit val implicitList: List[Int] = null + + // compiles even with implicit params on setter + (new { def field(implicit i: Int) = 0; def field_=(i: Int)(implicit j: Imp) = () }).field = 5 + (new { def field(implicit i: Int) = 0; def field_=[T <: Imp](i: Int)(implicit j: T) = () }).field = 5 + // was reassignment to val + (new { def field[T](implicit ts: List[T]) = 0; def field_=[T](i: Int)(implicit ts: List[T]) = () }).field = 5 + (new { def field[T](implicit ts: List[T]) = 0; def field_=[T](i: T)(implicit ts: List[T]) = () }).field = 5 +} diff --git a/test/files/pos/t4365/a_1.scala b/test/files/pos/t4365/a_1.scala index a24b57772d..e7466e0d48 100644 --- a/test/files/pos/t4365/a_1.scala +++ b/test/files/pos/t4365/a_1.scala @@ -9,7 +9,7 @@ trait SeqViewLike[+A, trait Transformed[+B] extends super[GenSeqViewLike].Transformed[B] abstract class AbstractTransformed[+B] extends Seq[B] with Transformed[B] { - def underlying: Coll = error("") + def underlying: Coll = sys.error("") } trait Reversed extends Transformed[A] with super[GenSeqViewLike].Reversed diff --git a/test/files/pos/t4365/b_1.scala b/test/files/pos/t4365/b_1.scala index e1423813f1..1158db6c32 100644 --- a/test/files/pos/t4365/b_1.scala +++ b/test/files/pos/t4365/b_1.scala @@ -10,7 +10,7 @@ self => trait Transformed[+B] { def length: Int = 0 - def apply(idx: Int): B = error("") + def apply(idx: Int): B = sys.error("") } trait Reversed extends Transformed[A] { diff --git a/test/files/pos/t4579.flags b/test/files/pos/t4579.flags deleted file mode 100644 index 1182725e86..0000000000 --- a/test/files/pos/t4579.flags +++ /dev/null @@ -1 +0,0 @@ --optimize
\ No newline at end of file diff --git a/test/files/pos/t4579.scala b/test/files/pos/t4579.scala deleted file mode 100644 index cd1553f02a..0000000000 --- a/test/files/pos/t4579.scala +++ /dev/null @@ -1,518 +0,0 @@ -//############################################################################ -// Lisp interpreter (revived as an optimizer test.) -//############################################################################ - -//############################################################################ -// Lisp Scanner - -class LispTokenizer(s: String) extends Iterator[String] { - private var i = 0; - private def isDelimiter(ch: Char) = ch <= ' ' || ch == '(' || ch == ')' - def hasNext: Boolean = { - while (i < s.length() && s.charAt(i) <= ' ') i += 1 - i < s.length() - } - def next: String = - if (hasNext) { - val start = i - if (isDelimiter(s charAt i)) i += 1 - else - do i = i + 1 - while (!isDelimiter(s charAt i)) - s.substring(start, i) - } else sys.error("premature end of string") -} - -//############################################################################ -// Lisp Interface - -trait Lisp { - type Data - - def string2lisp(s: String): Data - def lisp2string(s: Data): String - - def evaluate(d: Data): Data - // !!! def evaluate(s: String): Data = evaluate(string2lisp(s)) - def evaluate(s: String): Data -} - -//############################################################################ -// Lisp Implementation Using Case Classes - -object LispCaseClasses extends Lisp { - - import List.range - - trait Data { - def elemsToString(): String = toString(); - } - case class CONS(car: Data, cdr: Data) extends Data { - override def toString() = "(" + elemsToString() + ")"; - override def elemsToString() = car.toString() + (cdr match { - case NIL() => "" - case _ => " " + cdr.elemsToString(); - }) - } - case class NIL() extends Data { // !!! use case object - override def toString() = "()"; - } - case class SYM(name: String) extends Data { - override def toString() = name; - } - case class NUM(x: Int) extends Data { - override def toString() = x.toString(); - } - case class STR(x: String) extends Data { - override def toString() = "\"" + x + "\""; - } - case class FUN(f: List[Data] => Data) extends Data { - override def toString() = "<fn>"; - } - - def list(): Data = - NIL(); - def list(x0: Data): Data = - CONS(x0, NIL()); - def list(x0: Data, x1: Data): Data = - CONS(x0, list(x1)); - def list(x0: Data, x1: Data, x2: Data): Data = - CONS(x0, list(x1, x2)); - def list(x0: Data, x1: Data, x2: Data, x3: Data): Data = - CONS(x0, list(x1, x2, x3)); - def list(x0: Data, x1: Data, x2: Data, x3: Data, x4: Data): Data = - CONS(x0, list(x1, x2, x3, x4)); - def list(x0: Data, x1: Data, x2: Data, x3: Data, x4: Data, x5: Data): Data = - CONS(x0, list(x1, x2, x3, x4, x5)); - def list(x0: Data, x1: Data, x2: Data, x3: Data, x4: Data, x5: Data, - x6: Data): Data = - CONS(x0, list(x1, x2, x3, x4, x5, x6)); - def list(x0: Data, x1: Data, x2: Data, x3: Data, x4: Data, x5: Data, - x6: Data, x7: Data): Data = - CONS(x0, list(x1, x2, x3, x4, x5, x6, x7)); - def list(x0: Data, x1: Data, x2: Data, x3: Data, x4: Data, x5: Data, - x6: Data, x7: Data, x8: Data): Data = - CONS(x0, list(x1, x2, x3, x4, x5, x6, x7, x8)); - def list(x0: Data, x1: Data, x2: Data, x3: Data, x4: Data, x5: Data, - x6: Data, x7: Data, x8: Data, x9: Data): Data = - CONS(x0, list(x1, x2, x3, x4, x5, x6, x7, x8, x9)); - - var curexp: Data = null - var trace: Boolean = false - var indent: Int = 0 - - def lispError[a](msg: String): a = - sys.error("error: " + msg + "\n" + curexp); - - trait Environment { - def lookup(n: String): Data; - def extendRec(name: String, expr: Environment => Data) = - new Environment { - def lookup(n: String): Data = - if (n == name) expr(this) else Environment.this.lookup(n); - } - def extend(name: String, v: Data) = extendRec(name, (env1 => v)); - } - val EmptyEnvironment = new Environment { - def lookup(n: String): Data = lispError("undefined: " + n); - } - - def toList(x: Data): List[Data] = x match { - case NIL() => List() - case CONS(y, ys) => y :: toList(ys) - case _ => lispError("malformed list: " + x); - } - - def toBoolean(x: Data) = x match { - case NUM(0) => false - case _ => true - } - - def normalize(x: Data): Data = x match { - case CONS(SYM("def"), - CONS(CONS(SYM(name), args), CONS(body, CONS(expr, NIL())))) => - normalize(list(SYM("def"), - SYM(name), list(SYM("lambda"), args, body), expr)) - case CONS(SYM("cond"), CONS(CONS(SYM("else"), CONS(expr, NIL())),NIL())) => - normalize(expr) - case CONS(SYM("cond"), CONS(CONS(test, CONS(expr, NIL())), rest)) => - normalize(list(SYM("if"), test, expr, CONS(SYM("cond"), rest))) - case CONS(h, t) => CONS(normalize(h), normalize(t)) - case _ => x - } - - def eval(x: Data, env: Environment): Data = { - val prevexp = curexp; - curexp = x; - if (trace) { - for (x <- range(1, indent)) Console.print(" "); - Console.println("===> " + x); - indent = indent + 1; - } - val result = eval1(x, env); - if (trace) { - indent = indent - 1; - for (x <- range(1, indent)) Console.print(" "); - Console.println("<=== " + result); - } - curexp = prevexp; - result - } - - def eval1(x: Data, env: Environment): Data = x match { - case SYM(name) => - env lookup name - case CONS(SYM("def"), CONS(SYM(name), CONS(y, CONS(z, NIL())))) => - eval(z, env.extendRec(name, (env1 => eval(y, env1)))) - case CONS(SYM("val"), CONS(SYM(name), CONS(y, CONS(z, NIL())))) => - eval(z, env.extend(name, eval(y, env))) - case CONS(SYM("lambda"), CONS(params, CONS(y, NIL()))) => - mkLambda(params, y, env) - case CONS(SYM("if"), CONS(c, CONS(t, CONS(e, NIL())))) => - if (toBoolean(eval(c, env))) eval(t, env) else eval(e, env) - case CONS(SYM("quote"), CONS(x, NIL())) => - x - case CONS(y, xs) => - apply(eval(y, env), toList(xs) map (x => eval(x, env))) - case NUM(_) => x - case STR(_) => x - case FUN(_) => x - case _ => - lispError("illegal term") - } - - def apply(fn: Data, args: List[Data]): Data = fn match { - case FUN(f) => f(args); - case _ => lispError("application of non-function: " + fn); - } - - def mkLambda(params: Data, expr: Data, env: Environment): Data = { - - def extendEnv(env: Environment, - ps: List[String], args: List[Data]): Environment = - (ps, args) match { - case (List(), List()) => - env - case (p :: ps1, arg :: args1) => - extendEnv(env.extend(p, arg), ps1, args1) - case _ => - lispError("wrong number of arguments") - } - - val ps: List[String] = toList(params) map { - case SYM(name) => name - case _ => sys.error("illegal parameter list"); - } - - FUN(args => eval(expr, extendEnv(env, ps, args))) - } - - val globalEnv = EmptyEnvironment - .extend("=", FUN({ - case List(NUM(arg1),NUM(arg2)) => NUM(if (arg1 == arg2) 1 else 0) - case List(STR(arg1),STR(arg2)) => NUM(if (arg1 == arg2) 1 else 0)})) - .extend("+", FUN({ - case List(NUM(arg1),NUM(arg2)) => NUM(arg1 + arg2) - case List(STR(arg1),STR(arg2)) => STR(arg1 + arg2)})) - .extend("-", FUN({ - case List(NUM(arg1),NUM(arg2)) => NUM(arg1 - arg2)})) - .extend("*", FUN({ - case List(NUM(arg1),NUM(arg2)) => NUM(arg1 * arg2)})) - .extend("/", FUN({ - case List(NUM(arg1),NUM(arg2)) => NUM(arg1 / arg2)})) - .extend("car", FUN({ - case List(CONS(x, xs)) => x})) - .extend("cdr", FUN({ - case List(CONS(x, xs)) => xs})) - .extend("null?", FUN({ - case List(NIL()) => NUM(1) - case _ => NUM(0)})) - .extend("cons", FUN({ - case List(x, y) => CONS(x, y)})); - - def evaluate(x: Data): Data = eval(normalize(x), globalEnv); - def evaluate(s: String): Data = evaluate(string2lisp(s)); - - def string2lisp(s: String): Data = { - val it = new LispTokenizer(s); - def parse(token: String): Data = { - if (token == "(") parseList - else if (token == ")") sys.error("unbalanced parentheses") - else if ('0' <= token.charAt(0) && token.charAt(0) <= '9') - NUM(token.toInt) - else if (token.charAt(0) == '\"' && token.charAt(token.length()-1)=='\"') - STR(token.substring(1,token.length() - 1)) - else SYM(token) - } - def parseList: Data = { - val token = it.next; - if (token == ")") NIL() else CONS(parse(token), parseList) - } - parse(it.next) - } - - def lisp2string(d: Data): String = d.toString(); -} - -//############################################################################ -// Lisp Implementation Using Any - -object LispAny extends Lisp { - - import List._; - - type Data = Any; - - case class Lambda(f: List[Data] => Data); - - var curexp: Data = null; - var trace: Boolean = false; - var indent: Int = 0; - - def lispError[a](msg: String): a = - sys.error("error: " + msg + "\n" + curexp); - - trait Environment { - def lookup(n: String): Data; - def extendRec(name: String, expr: Environment => Data) = - new Environment { - def lookup(n: String): Data = - if (n == name) expr(this) else Environment.this.lookup(n); - } - def extend(name: String, v: Data) = extendRec(name, (env1 => v)); - } - val EmptyEnvironment = new Environment { - def lookup(n: String): Data = lispError("undefined: " + n); - } - - def asList(x: Data): List[Data] = x match { - case y: List[_] => y - case _ => lispError("malformed list: " + x) - } - - def asInt(x: Data): Int = x match { - case y: Int => y - case _ => lispError("not an integer: " + x) - } - - def asString(x: Data): String = x match { - case y: String => y - case _ => lispError("not a string: " + x) - } - - def asBoolean(x: Data): Boolean = x != 0 - - def normalize(x: Data): Data = x match { - case 'and :: x :: y :: Nil => - normalize('if :: x :: y :: 0 :: Nil) - case 'or :: x :: y :: Nil => - normalize('if :: x :: 1 :: y :: Nil) - case 'def :: (name :: args) :: body :: expr :: Nil => - normalize('def :: name :: ('lambda :: args :: body :: Nil) :: expr :: Nil) - case 'cond :: ('else :: expr :: Nil) :: rest => - normalize(expr); - case 'cond :: (test :: expr :: Nil) :: rest => - normalize('if :: test :: expr :: ('cond :: rest) :: Nil) - case 'cond :: 'else :: expr :: Nil => - normalize(expr) - case h :: t => - normalize(h) :: asList(normalize(t)) - case _ => - x - } - - def eval(x: Data, env: Environment): Data = { - val prevexp = curexp; - curexp = x; - if (trace) { - for (x <- range(1, indent)) Console.print(" "); - Console.println("===> " + x); - indent += 1; - } - val result = eval1(x, env); - if (trace) { - indent -= 1; - for (x <- range(1, indent)) Console.print(" "); - Console.println("<=== " + result); - } - curexp = prevexp; - result - } - - def eval1(x: Data, env: Environment): Data = x match { - case Symbol(name) => - env lookup name - case 'def :: Symbol(name) :: y :: z :: Nil => - eval(z, env.extendRec(name, (env1 => eval(y, env1)))) - case 'val :: Symbol(name) :: y :: z :: Nil => - eval(z, env.extend(name, eval(y, env))) - case 'lambda :: params :: y :: Nil => - mkLambda(params, y, env) - case 'if :: c :: y :: z :: Nil => - if (asBoolean(eval(c, env))) eval(y, env) else eval(z, env) - case 'quote :: y :: Nil => - y - case y :: z => - apply(eval(y, env), z map (x => eval(x, env))) - case Lambda(_) => x - case y: String => x - case y: Int => x - case y => lispError("illegal term") - } - - def lisp2string(x: Data): String = x match { - case Symbol(name) => name - case Nil => "()" - case y :: ys => - def list2string(xs: List[Data]): String = xs match { - case List() => "" - case y :: ys => " " + lisp2string(y) + list2string(ys) - } - "(" + lisp2string(y) + list2string(ys) + ")" - case _ => if (x.isInstanceOf[String]) "\"" + x + "\""; else x.toString() - } - - def apply(fn: Data, args: List[Data]): Data = fn match { - case Lambda(f) => f(args); - case _ => lispError("application of non-function: " + fn + " to " + args); - } - - def mkLambda(params: Data, expr: Data, env: Environment): Data = { - - def extendEnv(env: Environment, - ps: List[String], args: List[Data]): Environment = - (ps, args) match { - case (List(), List()) => - env - case (p :: ps1, arg :: args1) => - extendEnv(env.extend(p, arg), ps1, args1) - case _ => - lispError("wrong number of arguments") - } - - val ps: List[String] = asList(params) map { - case Symbol(name) => name - case _ => sys.error("illegal parameter list"); - } - - Lambda(args => eval(expr, extendEnv(env, ps, args))) - } - - val globalEnv = EmptyEnvironment - .extend("=", Lambda{ - case List(arg1, arg2) => if(arg1 == arg2) 1 else 0}) - .extend("+", Lambda{ - case List(arg1: Int, arg2: Int) => arg1 + arg2 - case List(arg1: String, arg2: String) => arg1 + arg2}) - .extend("-", Lambda{ - case List(arg1: Int, arg2: Int) => arg1 - arg2}) - .extend("*", Lambda{ - case List(arg1: Int, arg2: Int) => arg1 * arg2}) - .extend("/", Lambda{ - case List(arg1: Int, arg2: Int) => arg1 / arg2}) - .extend("nil", Nil) - .extend("cons", Lambda{ - case List(arg1, arg2) => arg1 :: asList(arg2)}) - .extend("car", Lambda{ - case List(x :: xs) => x}) - .extend("cdr", Lambda{ - case List(x :: xs) => xs}) - .extend("null?", Lambda{ - case List(Nil) => 1 - case _ => 0}); - - def evaluate(x: Data): Data = eval(normalize(x), globalEnv); - def evaluate(s: String): Data = evaluate(string2lisp(s)); - - def string2lisp(s: String): Data = { - val it = new LispTokenizer(s); - def parse(token: String): Data = { - if (token == "(") parseList - else if (token == ")") sys.error("unbalanced parentheses") - //else if (Character.isDigit(token.charAt(0))) - else if (token.charAt(0).isDigit) - token.toInt - else if (token.charAt(0) == '\"' && token.charAt(token.length()-1)=='\"') - token.substring(1,token.length() - 1) - else Symbol(token) - } - def parseList: List[Data] = { - val token = it.next; - if (token == ")") Nil else parse(token) :: parseList - } - parse(it.next) - } -} - -//############################################################################ -// List User - -class LispUser(lisp: Lisp) { - - import lisp._; - - def evaluate(s: String) = lisp2string(lisp.evaluate(s)); - - def run = { - - Console.println(string2lisp("(lambda (x) (+ (* x x) 1))").asInstanceOf[AnyRef]); - Console.println(lisp2string(string2lisp("(lambda (x) (+ (* x x) 1))"))); - Console.println; - - Console.println("( '(1 2 3)) = " + evaluate(" (quote(1 2 3))")); - Console.println("(car '(1 2 3)) = " + evaluate("(car (quote(1 2 3)))")); - Console.println("(cdr '(1 2 3)) = " + evaluate("(cdr (quote(1 2 3)))")); - Console.println("(null? '(2 3)) = " + evaluate("(null? (quote(2 3)))")); - Console.println("(null? '()) = " + evaluate("(null? (quote()))")); - Console.println; - - Console.println("faculty(10) = " + evaluate( - "(def (faculty n) " + - "(if (= n 0) " + - "1 " + - "(* n (faculty (- n 1)))) " + - "(faculty 10))")); - Console.println("faculty(10) = " + evaluate( - "(def (faculty n) " + - "(cond " + - "((= n 0) 1) " + - "(else (* n (faculty (- n 1))))) " + - "(faculty 10))")); - Console.println("foobar = " + evaluate( - "(def (foo n) " + - "(cond " + - "((= n 0) \"a\")" + - "((= n 1) \"b\")" + - "((= (/ n 2) 1) " + - "(cond " + - "((= n 2) \"c\")" + - "(else \"d\")))" + - "(else " + - "(def (bar m) " + - "(cond " + - "((= m 0) \"e\")" + - "((= m 1) \"f\")" + - "(else \"z\"))" + - "(bar (- n 4)))))" + - "(val nil (quote ())" + - "(val v1 (foo 0) " + - "(val v2 (+ (foo 1) (foo 2)) " + - "(val v3 (+ (+ (foo 3) (foo 4)) (foo 5)) " + - "(val v4 (foo 6) " + - "(cons v1 (cons v2 (cons v3 (cons v4 nil))))))))))")); - Console.println; - } -} - -//############################################################################ -// Main - -object Test { - def main(args: Array[String]) { - new LispUser(LispCaseClasses).run; - new LispUser(LispAny).run; - () - } -} - -//############################################################################ diff --git a/test/files/pos/t482.scala b/test/files/pos/t482.scala new file mode 100644 index 0000000000..b121c93337 --- /dev/null +++ b/test/files/pos/t482.scala @@ -0,0 +1,7 @@ +object Test { + class Foo { val z = "foo"; val y : z.type = z } + + val x : ({ val y : z.type } forSome { val z : String }) = new Foo + + val x2 : ({ val y : T } forSome { type T <: String with Singleton }) = new Foo +} diff --git a/test/files/pos/t4840.flags b/test/files/pos/t4840.flags index eb4d19bcb9..768ca4f13b 100644 --- a/test/files/pos/t4840.flags +++ b/test/files/pos/t4840.flags @@ -1 +1 @@ --optimise
\ No newline at end of file +-opt:l:classpath
\ No newline at end of file diff --git a/test/files/pos/t4914.scala b/test/files/pos/t4914.scala new file mode 100644 index 0000000000..a6c8ef5a4e --- /dev/null +++ b/test/files/pos/t4914.scala @@ -0,0 +1,20 @@ +trait Type { + type S +} + +class ConcreteType extends Type { + type S = Double +} + +trait Base { + type T <: Type + val m: Map[t#S, t#S] forSome { type t <: T with Singleton } + val n: Map[x.type#S, x.type#S] forSome { val x: T } +} + +abstract class Derived extends Base { + override type T = ConcreteType + override val m = Map[Double, Double]() + /** This does not work. §3.2.10 indicates that types n is shorthand for type of m. */ + override val n = Map[Double, Double]() +} diff --git a/test/files/pos/t5120.scala b/test/files/pos/t5120.scala index 86d4470bd5..40540b8a7d 100644 --- a/test/files/pos/t5120.scala +++ b/test/files/pos/t5120.scala @@ -1,4 +1,4 @@ -// An example extracted from SBT by Iulian +// An example extracted from sbt by Iulian // that showed that the previous fix to t5120 // was too strict. class Test { diff --git a/test/files/pos/t5165b.flags b/test/files/pos/t5165b.flags new file mode 100644 index 0000000000..e8fb65d50c --- /dev/null +++ b/test/files/pos/t5165b.flags @@ -0,0 +1 @@ +-Xfatal-warnings
\ No newline at end of file diff --git a/test/files/pos/t5183.scala b/test/files/pos/t5183.scala new file mode 100644 index 0000000000..783b8c28dc --- /dev/null +++ b/test/files/pos/t5183.scala @@ -0,0 +1,34 @@ +trait Day + +object Test { + def foo(t: Int with Day) = t == t +} + +class DayOps(val i: Int with Day) extends AnyVal + +case class Test1(d: Int with Day) +case class Test2(d1: Int with Day, d2: Int with Day) + +class User +class Checkin +object Example { + + type Tagged[U] = { type Tag = U } + type @@[T, U] = T with Tagged[U] // Thanks to @retronym for suggesting this type alias + + class Tagger[U] { + def apply[T](t : T) : T @@ U = t.asInstanceOf[T @@ U] + } + def tag[U] = new Tagger[U] + + // Manual specialization needed here ... specializing apply above doesn't help + def tag[U](i : Int) : Int @@ U = i.asInstanceOf[Int @@ U] + def tag[U](l : Long) : Long @@ U = l.asInstanceOf[Long @@ U] + def tag[U](d : Double) : Double @@ U = d.asInstanceOf[Double @@ U] + + def fetch[A](id: Int @@ A): A = null.asInstanceOf[A] + + def tag[U](arr: Array[Int]):Array[Int @@ U] = arr.asInstanceOf[Array[Int @@ U]] + + tag[User](Array(3, 4, 5)).map(_.toString) +}
\ No newline at end of file diff --git a/test/files/pos/t5240.scala b/test/files/pos/t5240.scala index 065d175f2f..ae52c6d69a 100644 --- a/test/files/pos/t5240.scala +++ b/test/files/pos/t5240.scala @@ -1,11 +1,3 @@ - - - - - - package object foo { - var labels: Array[_ <: String] = null - } diff --git a/test/files/pos/t5294b.scala b/test/files/pos/t5294b.scala new file mode 100644 index 0000000000..038d2ff806 --- /dev/null +++ b/test/files/pos/t5294b.scala @@ -0,0 +1,36 @@ +class Test { + def test = { + + val l1 = null: Int #: String #: Boolean #: String #: HNil.type + + type _2 = Succ[Succ[Zero.type]] + + val t1: Boolean = null.asInstanceOf[ l1.type#Drop[_2]#Head ] + + val t2: Boolean = null.asInstanceOf[ l1.type#Apply[_2] ] + } +} + + +sealed trait Nat { + type Fold[U, F[_ <: U] <: U, Z <: U] <: U +} + +final object Zero extends Nat { + type Fold[U, F[_ <: U] <: U, Z <: U] = Z +} + +final class Succ[N <: Nat] extends Nat { + type Fold[U, F[_ <: U] <: U, Z <: U] = F[N#Fold[U, F, Z]] +} + +trait HList { + type Head + type Tail <: HList + type Drop[N <: Nat] = N#Fold[HList, ({ type L[X <: HList] = X#Tail })#L, this.type] + type Apply[N <: Nat] = Drop[N]#Head +} + +class #: [H, T <: HList] extends HList { type Head = H; type Tail = T } + +object HNil extends HList { type Head = Nothing; type Tail = Nothing } diff --git a/test/files/pos/t5294c.scala b/test/files/pos/t5294c.scala new file mode 100644 index 0000000000..2709098988 --- /dev/null +++ b/test/files/pos/t5294c.scala @@ -0,0 +1,30 @@ +sealed trait Nat { + type IsZero[U, A <: U, B <: U] <: U +} + +final object Zero extends Nat { + type IsZero[U, T <: U, F <: U] = T +} + +final class Succ[N <: Nat] extends Nat { + type IsZero[U, T <: U, F <: U] = F +} + +trait HList { + type Head + type Tail <: HList + type Drop[N <: Nat] = N#IsZero[HList, this.type, Tail] + type Apply[N <: Nat] = Drop[N]#Head // typechecks as HList.this.Head +} + +object Test { + type ::[H, T <: HList] = HList { type Head = H; type Tail = T} + type HNil <: HList + type T = Int :: String :: HNil + + type U = T#Drop[Succ[Zero.type]]#Head + type V = T#Apply[Succ[Zero.type]] + var u: U = ??? + var v: V = ??? + u = v +} diff --git a/test/files/pos/t533.scala b/test/files/pos/t533.scala deleted file mode 100644 index 0a6515fed3..0000000000 --- a/test/files/pos/t533.scala +++ /dev/null @@ -1,11 +0,0 @@ -import scala.actors._ - -object test extends Actor { - def act() { - receive { - case TIMEOUT => Console.println("TIMEOUT") - //case _ => Console.println("_") - } - } -} - diff --git a/test/files/pos/t5644/BoxesRunTime.java b/test/files/pos/t5644/BoxesRunTime.java index 74c4c6b4b9..2b931519aa 100644 --- a/test/files/pos/t5644/BoxesRunTime.java +++ b/test/files/pos/t5644/BoxesRunTime.java @@ -267,10 +267,6 @@ public final class BoxesRunTime else if (n instanceof java.lang.Float) return hashFromFloat((java.lang.Float)n); else return n.hashCode(); } - public static int hashFromObject(Object a) { - if (a instanceof Number) return hashFromNumber((Number)a); - else return a.hashCode(); - } private static int unboxCharOrInt(Object arg1, int code) { if (code == CHAR) diff --git a/test/files/pos/t5729.scala b/test/files/pos/t5729.scala deleted file mode 100644 index 9fd9c9ffbb..0000000000 --- a/test/files/pos/t5729.scala +++ /dev/null @@ -1,6 +0,0 @@ -trait T[X] -object Test { - def join(in: Seq[T[_]]): Int = ??? - def join[S](in: Seq[T[S]]): String = ??? - join(null: Seq[T[_]]) -}
\ No newline at end of file diff --git a/test/files/pos/t5899.scala b/test/files/pos/t5899.scala index b16f1f84fe..885baca790 100644 --- a/test/files/pos/t5899.scala +++ b/test/files/pos/t5899.scala @@ -14,6 +14,7 @@ trait Foo { Bippy(Stable) match { case Bippy(nme.WILDCARD) => 1 case Bippy(Stable) => 2 // should not be considered unreachable + case Bippy(_) => 3 } } }
\ No newline at end of file diff --git a/test/files/pos/t6091.scala b/test/files/pos/t6091.scala index 72e663ec3b..0318640e7b 100644 --- a/test/files/pos/t6091.scala +++ b/test/files/pos/t6091.scala @@ -1,6 +1,6 @@ -object Foo { def eq(x:Int) = x } +object Foo { def eq(x: Int) = x } -class X { def ==(other: String) = true } +class X { def ==(other: String) = other.nonEmpty } object Test { def main(args: Array[String]): Unit = { diff --git a/test/files/pos/t6157.flags b/test/files/pos/t6157.flags deleted file mode 100644 index 0ebca3e7af..0000000000 --- a/test/files/pos/t6157.flags +++ /dev/null @@ -1 +0,0 @@ - -optimize diff --git a/test/files/pos/t6157.scala b/test/files/pos/t6157.scala deleted file mode 100644 index 7463989b14..0000000000 --- a/test/files/pos/t6157.scala +++ /dev/null @@ -1,25 +0,0 @@ -// SI-6157 - Compiler crash on inlined function and -optimize option - -object Test { - def main(args: Array[String]) { - Console.println( - ErrorHandler.defaultIfIOException("String")("String") - ) - } -} - -import java.io.IOException - -object ErrorHandler { - - @inline - def defaultIfIOException[T](default: => T)(closure: => T): T = { - try { - closure - } catch { - case e: IOException => - default - } - } -} - diff --git a/test/files/pos/t6161b.scala b/test/files/pos/t6161b.scala new file mode 100644 index 0000000000..5783cc85f2 --- /dev/null +++ b/test/files/pos/t6161b.scala @@ -0,0 +1,22 @@ +object t6161 { + trait N { + type Name + } + + trait N1 extends N { + class Name { + type ThisNameType <: Name + def encode: ThisNameType = ??? + } + } + + trait S { + self: N => // change to N1 and it compiles + type NameType <: Name + } + + object g extends S with N1 + + val n1: g.NameType = ??? + val n2: g.Name = n1.encode +} diff --git a/test/files/pos/t6547.flags b/test/files/pos/t6547.flags deleted file mode 100644 index c9b68d70dc..0000000000 --- a/test/files/pos/t6547.flags +++ /dev/null @@ -1 +0,0 @@ --optimise diff --git a/test/files/pos/t6547.scala b/test/files/pos/t6547.scala deleted file mode 100644 index 53bd798219..0000000000 --- a/test/files/pos/t6547.scala +++ /dev/null @@ -1,6 +0,0 @@ -trait ConfigurableDefault[@specialized V] { - def fillArray(arr: Array[V], v: V) = (arr: Any) match { - case x: Array[Int] => null - case x: Array[Long] => v.asInstanceOf[Long] - } -} diff --git a/test/files/pos/t6734.scala b/test/files/pos/t6734.scala new file mode 100644 index 0000000000..88932cd2cc --- /dev/null +++ b/test/files/pos/t6734.scala @@ -0,0 +1,17 @@ + +// desugars to package p { object `package` } +// previously, synthetic p.C was incorrectly added to this tree +// This only matters because synthetics are not hygienic +package object p + +package p { + import scala.concurrent.Future + case class C private[p] (value: Future[Int]) // private to avoid rewriting C.apply to new C +} + +package client { + trait X { + import scala.concurrent.Future + def f = p.C(Future(42)(null)) // ensure synthetics were generated, i.e., p.C.apply + } +} diff --git a/test/files/pos/t6778.scala b/test/files/pos/t6778.scala new file mode 100644 index 0000000000..b7483c8fce --- /dev/null +++ b/test/files/pos/t6778.scala @@ -0,0 +1,5 @@ +object test extends AnyRef with App { + // Check that random can be called with parenthesis. + scala.math.random() +} + diff --git a/test/files/pos/t6978.flags b/test/files/pos/t6978.flags new file mode 100644 index 0000000000..7949c2afa2 --- /dev/null +++ b/test/files/pos/t6978.flags @@ -0,0 +1 @@ +-Xlint -Xfatal-warnings diff --git a/test/files/pos/t6978/J.java b/test/files/pos/t6978/J.java new file mode 100644 index 0000000000..1b9029ce53 --- /dev/null +++ b/test/files/pos/t6978/J.java @@ -0,0 +1,5 @@ + +public class J { + public int f() { return 42; } +} + diff --git a/test/files/pos/t6978/S.scala b/test/files/pos/t6978/S.scala new file mode 100644 index 0000000000..41897db5ac --- /dev/null +++ b/test/files/pos/t6978/S.scala @@ -0,0 +1,7 @@ + +trait X { def f: Int } + +object Test extends J with X with App { + println(f) +} + diff --git a/test/files/pos/t7014/ThreadSafety.java b/test/files/pos/t7014/ThreadSafety.java deleted file mode 100644 index ed508804e3..0000000000 --- a/test/files/pos/t7014/ThreadSafety.java +++ /dev/null @@ -1,9 +0,0 @@ -package t7014; - -import java.lang.annotation.Retention; -import java.lang.annotation.RetentionPolicy; - -@Retention(RetentionPolicy.RUNTIME) // must be exactly RUNTIME retention (those we parse) -public @interface ThreadSafety { - ThreadSafetyLevel level(); -}
\ No newline at end of file diff --git a/test/files/pos/t7014/ThreadSafetyLevel.java b/test/files/pos/t7014/ThreadSafetyLevel.java deleted file mode 100644 index 4df1dc787a..0000000000 --- a/test/files/pos/t7014/ThreadSafetyLevel.java +++ /dev/null @@ -1,8 +0,0 @@ -package t7014; // package needed due to other bug in scalac's java parser - -// since we parse eagerly, we have not yet parsed the classfile when parsing the annotation, -// and on doing so, fail to find a symbol for the COMPLETELY_THREADSAFE reference -// from the annotation's argument to the enum's member -// for now, let's just not crash -- should implement lazy completing at some point -@ThreadSafety(level=ThreadSafetyLevel.COMPLETELY_THREADSAFE) -public enum ThreadSafetyLevel { COMPLETELY_THREADSAFE } diff --git a/test/files/pos/t7014/t7014.scala b/test/files/pos/t7014/t7014.scala deleted file mode 100644 index 7c73f700be..0000000000 --- a/test/files/pos/t7014/t7014.scala +++ /dev/null @@ -1,3 +0,0 @@ -package t7014 - -import ThreadSafetyLevel.COMPLETELY_THREADSAFE // refer to annotation so it gets parsed diff --git a/test/files/pos/t7088.scala b/test/files/pos/t7088.scala new file mode 100644 index 0000000000..de9d1b7040 --- /dev/null +++ b/test/files/pos/t7088.scala @@ -0,0 +1,8 @@ +object Example extends App { + type Tag[X] = {type Tag = X} + type TaggedArray[T] = Array[T] with Tag[Any] + + def method[T: reflect.ClassTag](a: TaggedArray[T], value: T) {a.update(0, value)} + + method(Array(1, 2).asInstanceOf[TaggedArray[Int]], 1) +} diff --git a/test/files/pos/t7239.scala b/test/files/pos/t7239.scala deleted file mode 100644 index 16e9d00f17..0000000000 --- a/test/files/pos/t7239.scala +++ /dev/null @@ -1,38 +0,0 @@ -object Test { - def BrokenMethod(): HasFilter[(Int, String)] = ??? - - trait HasFilter[B] { - def filter(p: B => Boolean) = ??? - } - - trait HasWithFilter { - def withFilter = ??? - } - - object addWithFilter { - trait NoImplicit - implicit def enrich(v: Any) - (implicit F0: NoImplicit): HasWithFilter = ??? - } - - BrokenMethod().withFilter(_ => true) // okay - BrokenMethod().filter(_ => true) // okay - - locally { - import addWithFilter._ - BrokenMethod().withFilter((_: (Int, String)) => true) // okay - } - - locally { - import addWithFilter._ - // adaptToMemberWithArgs sets the type of the tree `x` - // to ErrorType (while in silent mode, so the error is not - // reported. Later, when the fallback from `withFilter` - // to `filter` is attempted, the closure is taken to have - // have the type `<error> => Boolean`, which conforms to - // `(B => Boolean)`. Only later during pickling does the - // defensive check for erroneous types in the tree pick up - // the problem. - BrokenMethod().withFilter(x => true) // erroneous or inaccessible type. - } -} diff --git a/test/files/pos/t7294.scala b/test/files/pos/t7294.scala deleted file mode 100644 index ccac2b1400..0000000000 --- a/test/files/pos/t7294.scala +++ /dev/null @@ -1,6 +0,0 @@ -object Test { - // no fruitless warning as Tuple2 isn't (yet) final. - // The corresponding `neg` test will treat it as final - // for the purposes of these tests under -Xfuture. - (1, 2) match { case Seq() => 0; case _ => 1 } -} diff --git a/test/files/pos/t7551.flags b/test/files/pos/t7551.flags new file mode 100644 index 0000000000..e8fb65d50c --- /dev/null +++ b/test/files/pos/t7551.flags @@ -0,0 +1 @@ +-Xfatal-warnings
\ No newline at end of file diff --git a/test/files/pos/t7551/A.java b/test/files/pos/t7551/A.java new file mode 100644 index 0000000000..72aeb40fa0 --- /dev/null +++ b/test/files/pos/t7551/A.java @@ -0,0 +1,9 @@ +package p; + +import java.lang.annotation.Retention; +import java.lang.annotation.RetentionPolicy; + +@Retention(RetentionPolicy.RUNTIME) +public @interface A { + Class<?> subInterface(); +} diff --git a/test/files/pos/t7551/T.scala b/test/files/pos/t7551/T.scala new file mode 100644 index 0000000000..017926e0e2 --- /dev/null +++ b/test/files/pos/t7551/T.scala @@ -0,0 +1,9 @@ +package p + +@A(subInterface = classOf[T.S]) +trait T { +} + +object T { + private[p] trait S extends T { } +} diff --git a/test/files/pos/t7551/Test.scala b/test/files/pos/t7551/Test.scala new file mode 100644 index 0000000000..c1f529c4b1 --- /dev/null +++ b/test/files/pos/t7551/Test.scala @@ -0,0 +1,5 @@ +package p + +object Foo { + def bar(t: T) { } +} diff --git a/test/files/pos/t7784.scala b/test/files/pos/t7784.scala new file mode 100644 index 0000000000..e6824a4203 --- /dev/null +++ b/test/files/pos/t7784.scala @@ -0,0 +1,13 @@ +object Test { + final val a = "" + var b: a.type = a + b = a + + final val x = classOf[Object] + var y: x.type = x + y = x + + final val e = Thread.State.NEW + var e1: e.type = e + e1 = e +} diff --git a/test/files/pos/t8002-nested-scope.scala b/test/files/pos/t8002-nested-scope.scala deleted file mode 100644 index 8ce809e556..0000000000 --- a/test/files/pos/t8002-nested-scope.scala +++ /dev/null @@ -1,20 +0,0 @@ -// This test serves to capture the status quo, but should really -// emit an accessibility error. - -// `Namers#companionSymbolOf` seems too lenient, and currently doesn't -// implement the same-scope checks mentioned: -// -// https://github.com/scala/scala/pull/2816#issuecomment-22555206 -// -class C { - def foo = { - class C { private def x = 0 } - - { - val a = 0 - object C { - new C().x - } - } - } -} diff --git a/test/files/pos/t8013.flags b/test/files/pos/t8013.flags index 3955bb6710..219723cec9 100644 --- a/test/files/pos/t8013.flags +++ b/test/files/pos/t8013.flags @@ -1 +1 @@ --Xfatal-warnings -Xlint:-infer-any,_ +-Xfatal-warnings -Xlint:missing-interpolator diff --git a/test/files/pos/t8040.flags b/test/files/pos/t8040.flags new file mode 100644 index 0000000000..3126c059f0 --- /dev/null +++ b/test/files/pos/t8040.flags @@ -0,0 +1 @@ +-Xfatal-warnings -Ywarn-unused:params diff --git a/test/files/pos/t8040.scala b/test/files/pos/t8040.scala new file mode 100644 index 0000000000..3e01014ab4 --- /dev/null +++ b/test/files/pos/t8040.scala @@ -0,0 +1,13 @@ + +object Test { + implicit class C(val sc: StringContext) { // no warn unused sc + def c(args: Any*): String = "c?" + args.mkString(",") // would warn unused args + } + + def f(implicit x: DummyImplicit) = 42 // no warn DummyImplicit + + + def f(x: Int)(y: Int = 1) = x + y // no warn default getter + + def g(@deprecated("","") x: Int) = 42 // no warn deprecated +} diff --git a/test/files/pos/t8044.scala b/test/files/pos/t8044.scala new file mode 100644 index 0000000000..2519a8306b --- /dev/null +++ b/test/files/pos/t8044.scala @@ -0,0 +1,15 @@ + +trait T { + def f = 42 match { case `x` @ _ => x } + def g = 42 match { case `type` @ _ => `type` } + def h = 42 match { case `type` : Int => `type` } + def i = (null: Any) match { case _: Int | _: String => 17 } + + // arbitrary idents allowed in @ syntax + def j = "Fred" match { case Name @ (_: String) => Name } + def k = "Fred" match { case * @ (_: String) => * } + + // also in sequence pattern + def m = List(1,2,3,4,5) match { case List(1, `Rest of them` @ _*) => `Rest of them` } + +} diff --git a/test/files/pos/t8062.flags b/test/files/pos/t8062.flags deleted file mode 100644 index 49d036a887..0000000000 --- a/test/files/pos/t8062.flags +++ /dev/null @@ -1 +0,0 @@ --optimize diff --git a/test/files/pos/t8062/A_1.scala b/test/files/pos/t8062/A_1.scala deleted file mode 100644 index ca0411dae8..0000000000 --- a/test/files/pos/t8062/A_1.scala +++ /dev/null @@ -1,5 +0,0 @@ -package warmup - -object Warmup { - def filter[A](p: Any => Boolean): Any = filter[Any](p) -} diff --git a/test/files/pos/t8062/B_2.scala b/test/files/pos/t8062/B_2.scala deleted file mode 100644 index f0a6761488..0000000000 --- a/test/files/pos/t8062/B_2.scala +++ /dev/null @@ -1,3 +0,0 @@ -object Test { - warmup.Warmup.filter[Any](x => false) -} diff --git a/test/files/pos/t8079b.scala b/test/files/pos/t8079b.scala new file mode 100644 index 0000000000..f3b7b78077 --- /dev/null +++ b/test/files/pos/t8079b.scala @@ -0,0 +1,7 @@ +trait F1[/* - */T, /* + */ R] + +object Test { + import scala.annotation.unchecked._ + type VariantF1[-T, +R] = F1[T @uncheckedVariance, R @uncheckedVariance] + trait C[+T] { def foo: VariantF1[Any, T] } +} diff --git a/test/files/pos/t8306.flags b/test/files/pos/t8306.flags deleted file mode 100644 index 49d036a887..0000000000 --- a/test/files/pos/t8306.flags +++ /dev/null @@ -1 +0,0 @@ --optimize diff --git a/test/files/pos/t8306.scala b/test/files/pos/t8306.scala deleted file mode 100644 index e04b054eb9..0000000000 --- a/test/files/pos/t8306.scala +++ /dev/null @@ -1,8 +0,0 @@ -class Si8306 { - def foo: Int = 123 - lazy val extension: Int = - foo match { - case idx if idx != -1 => 15 - case _ => 17 - } -} diff --git a/test/files/pos/t8310.flags b/test/files/pos/t8310.flags deleted file mode 100644 index 48fd867160..0000000000 --- a/test/files/pos/t8310.flags +++ /dev/null @@ -1 +0,0 @@ --Xexperimental diff --git a/test/files/pos/t8315.flags b/test/files/pos/t8315.flags deleted file mode 100644 index c926ad6493..0000000000 --- a/test/files/pos/t8315.flags +++ /dev/null @@ -1 +0,0 @@ --Yinline -Ydead-code diff --git a/test/files/pos/t8315.scala b/test/files/pos/t8315.scala deleted file mode 100644 index 2f7742ed67..0000000000 --- a/test/files/pos/t8315.scala +++ /dev/null @@ -1,12 +0,0 @@ -object Test { - def crash(as: Listt): Unit = { - map(as, (_: Any) => return) - } - - final def map(x: Listt, f: Any => Any): Any = { - if (x eq Nill) "" else f("") - } -} - -object Nill extends Listt -class Listt diff --git a/test/files/pos/t8315b.flags b/test/files/pos/t8315b.flags deleted file mode 100644 index c926ad6493..0000000000 --- a/test/files/pos/t8315b.flags +++ /dev/null @@ -1 +0,0 @@ --Yinline -Ydead-code diff --git a/test/files/pos/t8315b.scala b/test/files/pos/t8315b.scala deleted file mode 100644 index d7a2bf565f..0000000000 --- a/test/files/pos/t8315b.scala +++ /dev/null @@ -1,11 +0,0 @@ -object Test extends Object { - def crash: Unit = { - val key = "" - try map(new F(key)) - catch { case _: Throwable => } - }; - final def map(f: F): Any = f.apply(""); -}; -final class F(key: String) { - final def apply(a: Any): Any = throw new RuntimeException(key); -} diff --git a/test/files/pos/t8359-closelim-crash.flags b/test/files/pos/t8359-closelim-crash.flags deleted file mode 100644 index 49d036a887..0000000000 --- a/test/files/pos/t8359-closelim-crash.flags +++ /dev/null @@ -1 +0,0 @@ --optimize diff --git a/test/files/pos/t8359-closelim-crash.scala b/test/files/pos/t8359-closelim-crash.scala deleted file mode 100644 index 1413694d10..0000000000 --- a/test/files/pos/t8359-closelim-crash.scala +++ /dev/null @@ -1,23 +0,0 @@ -package test - -// This is a minimization of code that crashed the compiler during bootstrapping -// in the first iteration of https://github.com/scala/scala/pull/4373, the PR -// that adjusted the order of free and declared params in LambdaLift. - -// Was: -// java.lang.AssertionError: assertion failed: -// Record Record(<$anon: Function1>,Map(value a$1 -> Deref(LocalVar(value b)))) does not contain a field value b$1 -// at scala.tools.nsc.Global.assert(Global.scala:262) -// at scala.tools.nsc.backend.icode.analysis.CopyPropagation$copyLattice$State.getFieldNonRecordValue(CopyPropagation.scala:113) -// at scala.tools.nsc.backend.icode.analysis.CopyPropagation$copyLattice$State.getFieldNonRecordValue(CopyPropagation.scala:122) -// at scala.tools.nsc.backend.opt.ClosureElimination$ClosureElim$$anonfun$analyzeMethod$1$$anonfun$apply$2.replaceFieldAccess$1(ClosureElimination.scala:124) -class Typer { - def bar(a: Boolean, b: Boolean): Unit = { - @inline - def baz(): Unit = { - ((_: Any) => (Typer.this, a, b)).apply("") - } - ((_: Any) => baz()).apply("") - } -} - diff --git a/test/files/pos/t8410.flags b/test/files/pos/t8410.flags index dcd5943c2f..85e4257541 100644 --- a/test/files/pos/t8410.flags +++ b/test/files/pos/t8410.flags @@ -1 +1 @@ --optimise -Xfatal-warnings -deprecation:false -Yinline-warnings:false +-opt:l:project -Xfatal-warnings -deprecation:false -opt-warnings:none diff --git a/test/files/pos/t8429.scala b/test/files/pos/t8429.scala new file mode 100644 index 0000000000..a2d32637e1 --- /dev/null +++ b/test/files/pos/t8429.scala @@ -0,0 +1,7 @@ +trait Must { def musta(str: String, i: Int): Unit } + +object Mustare { + def takesM(m: Must) = ??? + takesM{ (a, b) => println } // ok + takesM{ case (a: String, b: Int) => println("") } // should also be accepted +} diff --git a/test/files/pos/t8462.scala b/test/files/pos/t8462.scala new file mode 100644 index 0000000000..6946cf8e5e --- /dev/null +++ b/test/files/pos/t8462.scala @@ -0,0 +1,11 @@ + +trait ConstantOps { + def exprs = ( + 1 << 2L : Int, // was: error: type mismatch; found : Long(4L) + 64 >> 2L : Int, // was: error: type mismatch; found : Long(4L) + 64 >>> 2L : Int, // was: error: type mismatch; found : Long(4L) + 'a' << 2L : Int, + 'a' >> 2L : Int, + 'a'>>> 2L : Int + ) +} diff --git a/test/files/pos/t8862a.scala b/test/files/pos/t8862a.scala new file mode 100644 index 0000000000..f9576707ba --- /dev/null +++ b/test/files/pos/t8862a.scala @@ -0,0 +1,47 @@ +package p { + + abstract class C[A] { + def x: A + implicit def oops: A = x + implicit def oopso: Option[A] = None + } + + package q { + + class Oops + + object `package` extends C[Oops] { + override def x = new Oops + } + + object Blah { + oops + oopso + + // implicits found in enclosing context + implicitly[Oops] + implicitly[Option[Oops]] + } + } +} + +package other { + + object Blah { + // implicits found through this import + import p.q._ + + oops + oopso + + implicitly[Oops] + implicitly[Option[Oops]] + } + + + object Blee { + // implicits found through the companion implicits + implicitly[p.q.Oops] + implicitly[Option[p.q.Oops]] + } +} diff --git a/test/files/pos/t8862b.scala b/test/files/pos/t8862b.scala new file mode 100644 index 0000000000..8be7fb5fab --- /dev/null +++ b/test/files/pos/t8862b.scala @@ -0,0 +1,12 @@ +package p { + trait T[X] { def O : { def apply(): X } } + object `package` extends T[Int] { + def O: { def apply(): Int } = new { def apply(): Int = 42 } + } + + object Test { + def main(args: Array[String]): Unit = { + val x: Int = O() + } + } +} diff --git a/test/files/pos/t8873.scala b/test/files/pos/t8873.scala new file mode 100644 index 0000000000..e2f0a5fad2 --- /dev/null +++ b/test/files/pos/t8873.scala @@ -0,0 +1 @@ +case class X(@volatile var x:Int) diff --git a/test/files/pos/t8947/Macro_1.scala b/test/files/pos/t8947/Macro_1.scala index ace389f339..c669e68b1e 100644 --- a/test/files/pos/t8947/Macro_1.scala +++ b/test/files/pos/t8947/Macro_1.scala @@ -36,6 +36,6 @@ object X { // } // // To make this visible to the macro implementation, it will need to be compiled in an earlier stage, - // e.g a separate SBT sub-project. + // e.g a separate sbt sub-project. } diff --git a/test/files/pos/t9020.scala b/test/files/pos/t9020.scala index 16e31e2572..c77a63cb1a 100644 --- a/test/files/pos/t9020.scala +++ b/test/files/pos/t9020.scala @@ -8,3 +8,9 @@ test/files/pos/t9020.scala:2: warning: discarded non-Unit value ^ one warning found */ + +trait DiscardThis { + import collection.mutable.ListBuffer + val b = ListBuffer.empty[String] + def add(s: String): Unit = b += s +} diff --git a/test/files/pos/t9074.scala b/test/files/pos/t9074.scala new file mode 100644 index 0000000000..67db281f54 --- /dev/null +++ b/test/files/pos/t9074.scala @@ -0,0 +1,24 @@ +package blam { + + package foo { + + trait F[T] { + def f(d: Double, t: T): T = ??? + def f(d: Int, t: T): T = ??? + def f(d: String, t: T): T = ??? + + def g[A](a: T): T = ??? + def g(a: Int) = ??? + } + } + + package object foo extends foo.F[Double] { + override def f(d: Double, t: Double): Double = ??? + } +} + +object Test { + import blam._ + foo.f("3", 4.0) + foo.g[Any](1d) : Double +} diff --git a/test/files/pos/t9074b.scala b/test/files/pos/t9074b.scala new file mode 100644 index 0000000000..dadcebf399 --- /dev/null +++ b/test/files/pos/t9074b.scala @@ -0,0 +1,15 @@ +trait Echo [T] { + def echo(t: T): Unit +} + +trait IntEcho extends Echo[Int] { + def echo(t: Int) = println(t) +} + +object echo extends IntEcho +package object echo1 extends IntEcho + +object App extends App { + echo.echo(1) + echo1.echo(1) +} diff --git a/test/files/pos/t9111-inliner-workaround.flags b/test/files/pos/t9111-inliner-workaround.flags index 63b5558cfd..768ca4f13b 100644 --- a/test/files/pos/t9111-inliner-workaround.flags +++ b/test/files/pos/t9111-inliner-workaround.flags @@ -1 +1 @@ --Ybackend:GenBCode -Yopt:l:classpath
\ No newline at end of file +-opt:l:classpath
\ No newline at end of file diff --git a/test/files/pos/t9123.flags b/test/files/pos/t9123.flags deleted file mode 100644 index c16e2f71dc..0000000000 --- a/test/files/pos/t9123.flags +++ /dev/null @@ -1 +0,0 @@ --optimize -Ydelambdafy:method diff --git a/test/files/pos/t9123.scala b/test/files/pos/t9123.scala deleted file mode 100644 index 22d55b4351..0000000000 --- a/test/files/pos/t9123.scala +++ /dev/null @@ -1,10 +0,0 @@ -trait Setting { - type T - def value: T -} - -object Test { - def test(x: Some[Setting]) = x match { - case Some(dep) => Some(dep.value) map (_ => true) - } -} diff --git a/test/files/pos/t9131.scala b/test/files/pos/t9131.scala new file mode 100644 index 0000000000..1a186a0a24 --- /dev/null +++ b/test/files/pos/t9131.scala @@ -0,0 +1,12 @@ +class Test { + + def byNameFunc(f: (=> (() => Any)) => Any): Unit = () + + def test = { + // "value apply is not a member of => () => Any" + byNameFunc(z => z()) + // okay + byNameFunc(z => z.apply()) + byNameFunc(z => {val f = z; f()}) + } +} diff --git a/test/files/pos/sammy_exist.flags b/test/files/pos/t9178b.flags index 48fd867160..48fd867160 100644 --- a/test/files/pos/sammy_exist.flags +++ b/test/files/pos/t9178b.flags diff --git a/test/files/pos/t9178b.scala b/test/files/pos/t9178b.scala new file mode 100644 index 0000000000..cbeaed4f17 --- /dev/null +++ b/test/files/pos/t9178b.scala @@ -0,0 +1,7 @@ +abstract class Test{ + val writeInput: java.io.OutputStream => Unit + def getOutputStream(): java.io.OutputStream + + writeInput(getOutputStream) +} + diff --git a/test/files/pos/t9326a.scala b/test/files/pos/t9326a.scala new file mode 100644 index 0000000000..aefc735585 --- /dev/null +++ b/test/files/pos/t9326a.scala @@ -0,0 +1,6 @@ +package p + +trait M[A] + +class C extends M[Tuple1[X] forSome { type X }] + diff --git a/test/files/pos/t9397.scala b/test/files/pos/t9397.scala new file mode 100644 index 0000000000..3dbc6591d3 --- /dev/null +++ b/test/files/pos/t9397.scala @@ -0,0 +1,12 @@ +package foo.scala + +import scala.reflect.runtime.universe._ + +object Foo { + + def bar[T: TypeTag]() { + } + + import foo._ + bar[String]() +} diff --git a/test/files/pos/t9449.scala b/test/files/pos/t9449.scala new file mode 100644 index 0000000000..3b86dc80a0 --- /dev/null +++ b/test/files/pos/t9449.scala @@ -0,0 +1,19 @@ +trait II { + def apply(x: Int): Int +} + +object Test { + def ii(x: Int): Int = x + def test = { + val ii1: II = x => ii(x) // works + val ii2: II = ii // works (adapting `ii` to `II`) + val ii3: II = ii _ // works (failed before the fix) + // typedTyped({ii : (() => <empty>)}) + // typedEta(ii, pt = II) + // adapt(ii, pt = (? => ?)) + // instantiatedToMethodType(ii, pt = (? => ?)) + // val ii3: II = ii _ // error: + // found : Int => Int + // required: II + } +}
\ No newline at end of file diff --git a/test/files/pos/t9479.scala b/test/files/pos/t9479.scala new file mode 100644 index 0000000000..38eabf4338 --- /dev/null +++ b/test/files/pos/t9479.scala @@ -0,0 +1,15 @@ +trait Predefs { + def bridge(p: String): Unit = ??? + def bridge(p: Any): Unit = ??? +} + +package object molecule extends Predefs + +package molecule { + package process { + class Test { + def main(): Unit = bridge(null, null) + } + } +} + diff --git a/test/files/pos/t9479b.scala b/test/files/pos/t9479b.scala new file mode 100644 index 0000000000..5fc795a1fd --- /dev/null +++ b/test/files/pos/t9479b.scala @@ -0,0 +1,15 @@ +trait Predefs { + def bridge(p: String): Unit = ??? + def bridge(p: Any): Unit = ??? +} + +package object molecule extends Predefs + +package molecule { + package process { + class Test { + def main(): Unit = molecule.bridge(null, null) + } + } +} + diff --git a/test/files/pos/t9498.scala b/test/files/pos/t9498.scala new file mode 100644 index 0000000000..32fc01a806 --- /dev/null +++ b/test/files/pos/t9498.scala @@ -0,0 +1,25 @@ +trait Inv[A] { def head: A } +trait Cov[+A] { def head: A } + +class Test { + def inv(i: Inv[Inv[String]]) = i match { + case l: Inv[a] => + val x: a = l.head + x.head: String // okay + } + + def cov(c: Cov[Cov[String]]) = c match { + case l: Cov[a] => + val x: a = l.head + x.head: String // was: found A, required String + } + + def cov1(c: Cov[Cov[String]]) = c match { + case l: Cov[a] => l.head.head + } + cov1(null): String // was: found A, required String + + def cov3(c: Cov[Cov[String]]): String = c match { + case l: Cov[a] => val l1: l.type = l; l1.head.head + } +} diff --git a/test/files/pos/t9542.scala b/test/files/pos/t9542.scala new file mode 100644 index 0000000000..d65f7ac4c6 --- /dev/null +++ b/test/files/pos/t9542.scala @@ -0,0 +1,8 @@ +object O { + trait T + + class VC(val self: Any) extends AnyVal { + def extMethod(f: F1[T, Any]) = () + } +} +trait F1[A, B] diff --git a/test/files/pos/t9658.scala b/test/files/pos/t9658.scala new file mode 100644 index 0000000000..a2c695a8ae --- /dev/null +++ b/test/files/pos/t9658.scala @@ -0,0 +1,10 @@ +sealed trait G[T] +case object GI extends G[Int] + +class C { + def typerFail[T](rt: G[T]): T = rt match { + case GI => + { case x => x } : PartialFunction[Any, Any] // comment this line, compiles. + 0 // found Int, required T + } +} diff --git a/test/files/pos/t9665.scala b/test/files/pos/t9665.scala new file mode 100644 index 0000000000..1aa7a5d459 --- /dev/null +++ b/test/files/pos/t9665.scala @@ -0,0 +1,7 @@ + +object | { def unapply(x: (Any, Any)) = Some(x) } + +trait Test { + def f() = (1,2) match { case 1 `|` 2 => } + def g() = 2 match { case 1 | 2 => } +} diff --git a/test/files/pos/t9855.scala b/test/files/pos/t9855.scala new file mode 100644 index 0000000000..b6ac3e2432 --- /dev/null +++ b/test/files/pos/t9855.scala @@ -0,0 +1,10 @@ +class C { + def xx(verb: String, a: Array[Int]) { + val reYYYY = """(\d\d\d\d)""".r + verb match { + case "time" if a.isEmpty => + case "time" => + case reYYYY(y) => + } + } +} diff --git a/test/files/pos/t9855b.scala b/test/files/pos/t9855b.scala new file mode 100644 index 0000000000..30c58be3dc --- /dev/null +++ b/test/files/pos/t9855b.scala @@ -0,0 +1,16 @@ +object Test { + var FALSE = false + def main(args: Array[String]): Unit = { + val SomeB = new B + new B() match { + case SomeB if FALSE => + case SomeB => + case Ext(_) => + } + } +} +object Ext { + def unapply(s: A) = Some(()) +} +class A +class B extends A diff --git a/test/files/pos/t9918/package.scala b/test/files/pos/t9918/package.scala new file mode 100644 index 0000000000..9bd8ac9a69 --- /dev/null +++ b/test/files/pos/t9918/package.scala @@ -0,0 +1 @@ +package object pkg extends T diff --git a/test/files/pos/t9918/t9918.scala b/test/files/pos/t9918/t9918.scala new file mode 100644 index 0000000000..ec9a146579 --- /dev/null +++ b/test/files/pos/t9918/t9918.scala @@ -0,0 +1,3 @@ +package pkg + +trait T { object O } diff --git a/test/files/pos/t9920.scala b/test/files/pos/t9920.scala new file mode 100644 index 0000000000..8612618cc4 --- /dev/null +++ b/test/files/pos/t9920.scala @@ -0,0 +1,6 @@ +object Test { + def o = { + def i: Int = { i; 0 } + i + } +} diff --git a/test/files/pos/t9943.scala b/test/files/pos/t9943.scala new file mode 100644 index 0000000000..0d4717ccbb --- /dev/null +++ b/test/files/pos/t9943.scala @@ -0,0 +1,9 @@ +class Foo[T] { + def toMap[K, V](implicit ev: Foo[T] <:< Foo[(K, V)]): Foo[Map[K, V]] = null + def toMap[K](keySelector: T => K): Foo[Map[K, T]] = null +} + +object Foo { + (??? : Foo[Int]) toMap (_ % 2) + (??? : Foo[(Int, String)]).toMap +} diff --git a/test/files/pos/tcpoly_bounds1.scala b/test/files/pos/tcpoly_bounds1.scala index 63263cb152..4f52f55cb6 100644 --- a/test/files/pos/tcpoly_bounds1.scala +++ b/test/files/pos/tcpoly_bounds1.scala @@ -1,7 +1,9 @@ -class Foo[t[x]<: Tuple2[Int, x]] +case class T2[+T1, +T2](_1: T1, _2: T2) extends Product2[T1, T2] + +class Foo[t[x]<: T2[Int, x]] // -class MyPair[z](a: Int, b: z) extends Tuple2[Int, z](a,b) +class MyPair[z](a: Int, b: z) extends T2[Int, z](a,b) object foo extends Foo[MyPair] diff --git a/test/files/pos/trailing-commas.scala b/test/files/pos/trailing-commas.scala new file mode 100644 index 0000000000..b9401fe49d --- /dev/null +++ b/test/files/pos/trailing-commas.scala @@ -0,0 +1,155 @@ +package foo + +trait ArgumentExprs1 { + def f(foo: Int, bar: String)(implicit ev0: Ev0, ev1: Ev1) = 1 + f( + 23, + "bar", + )( + Ev0, + Ev1, + ) + + // test arg exprs in the presence of varargs + def g(x: Int, y: Int*) = 1 + g(1,2, + ) + g(1,List(2, 3): _*, + ) +} + +trait ArgumentExprs2 { + class C(foo: Int, bar: String)(implicit ev0: Ev0, ev1: Ev1) + new C( + 23, + "bar", + )( + Ev0, + Ev1, + ) +} + +trait Params { + def f( + foo: Int, + bar: String, + )(implicit + ev0: Ev0, + ev1: Ev1, + ) +} + +trait ClassParams { + class C( + foo: Int, + bar: String, + )(implicit + ev0: Ev0, + ev1: Ev1, + ) + + // test class params in the precense of varargs + case class D(i: Int*, + ) +} + +trait SimpleExpr1 { + def f: (Int, String) = ( + 23, + "bar", + ) + + // the Tuple1 value case, the trailing comma is ignored so the type is Int and the value 23 + def g: Int = ( + 23, + ) +} + +trait TypeArgs { + class C[A, B] + def f: C[ + Int, + String, + ] +} + +trait TypeParamClause { + class C[ + A, + B, + ] +} + +trait FunTypeParamClause { + def f[ + A, + B, + ] +} + +trait SimpleType { + def f: ( + Int, + String, + ) + + // the Tuple1 type case, the trailing comma is ignored so the type is Int and the value 23 + def g: ( + Int, + ) = 23 +} + +trait FunctionArgTypes { + def f: ( + Int, + String, + ) => Boolean +} + +trait SimplePattern { + val ( + foo, + bar, + ) = null: Any + + // test '@' syntax in patterns + Some(1) match { + case Some(x @ 1, + ) => x + } + + // test ': _*' syntax in patterns + List(1, 2, 3) match { + case List(1, 2, _ @ _*, + ) => 1 + } + + // test varargs in patterns + val List(x, y, _*, + ) = 42 :: 17 :: Nil +} + +trait ImportSelectors { + import foo.{ + Ev0, + Ev1, + } +} + +trait Bindings { + def g(f: (Int, String) => Boolean) + + g(( + foo, + bar, + ) => true) +} + +// Import, ids, ValDcl, VarDcl, VarDef, PatDef use commas, but not inside paren, bracket or brace, +// so they don't support an optional trailing comma + +// test utilities +object `package` { + sealed trait Ev0; implicit object Ev0 extends Ev0 + sealed trait Ev1; implicit object Ev1 extends Ev1 +} diff --git a/test/files/pos/trait-defaults-super.scala b/test/files/pos/trait-defaults-super.scala new file mode 100644 index 0000000000..8f867ab563 --- /dev/null +++ b/test/files/pos/trait-defaults-super.scala @@ -0,0 +1,21 @@ +trait T extends java.lang.Iterable[String] { + + override def spliterator(): java.util.Spliterator[String] = { + super[Iterable].spliterator + super.spliterator + null + } + def foo = { + super[Iterable].spliterator + super.spliterator + } + def iterator(): java.util.Iterator[String] = java.util.Collections.emptyList().iterator() +} +class C extends T with java.lang.Iterable[String] // super accessor is okay with Iterable as a direct parent +object Test { + def main(args: Array[String]): Unit = { + val t: T = new C + t.spliterator + t.foo + } +} diff --git a/test/files/pos/trait-force-info.flags b/test/files/pos/trait-force-info.flags deleted file mode 100644 index eb4d19bcb9..0000000000 --- a/test/files/pos/trait-force-info.flags +++ /dev/null @@ -1 +0,0 @@ --optimise
\ No newline at end of file diff --git a/test/files/pos/trait-force-info.scala b/test/files/pos/trait-force-info.scala deleted file mode 100644 index c2b33869c3..0000000000 --- a/test/files/pos/trait-force-info.scala +++ /dev/null @@ -1,18 +0,0 @@ -/** This does NOT crash unless it's in the interactive package. - */ - -package scala.tools.nsc -package interactive - -trait MyContextTrees { - val self: Global - val NoContext = self.analyzer.NoContext -} -// -// error: java.lang.AssertionError: assertion failed: trait Contexts.NoContext$ linkedModule: <none>List() -// at scala.Predef$.assert(Predef.scala:160) -// at scala.tools.nsc.symtab.classfile.ClassfileParser$innerClasses$.innerSymbol$1(ClassfileParser.scala:1211) -// at scala.tools.nsc.symtab.classfile.ClassfileParser$innerClasses$.classSymbol(ClassfileParser.scala:1223) -// at scala.tools.nsc.symtab.classfile.ClassfileParser.classNameToSymbol(ClassfileParser.scala:489) -// at scala.tools.nsc.symtab.classfile.ClassfileParser.sig2type$1(ClassfileParser.scala:757) -// at scala.tools.nsc.symtab.classfile.ClassfileParser.sig2type$1(ClassfileParser.scala:789) diff --git a/test/files/pos/trait_fields_dependent_conflict.scala b/test/files/pos/trait_fields_dependent_conflict.scala new file mode 100644 index 0000000000..afb6f4b0c5 --- /dev/null +++ b/test/files/pos/trait_fields_dependent_conflict.scala @@ -0,0 +1,20 @@ +// derived from test/files/pos/S5.scala + +// compile with -uniqid to see a hint of the trouble +trait N { + // the symbol for self does not get rebound when synthesizing members in C + val self: N = ??? + val n: self.type = self +} + +abstract class M { + val self: N + val n: self.type +} + +abstract class MConflict extends N { + val self: N + val n: self.type +} + +class C extends M with N diff --git a/test/files/pos/trait_fields_dependent_rebind.scala b/test/files/pos/trait_fields_dependent_rebind.scala new file mode 100644 index 0000000000..e2cf4c43c3 --- /dev/null +++ b/test/files/pos/trait_fields_dependent_rebind.scala @@ -0,0 +1,15 @@ +// derived from test/files/pos/S5.scala + +// compile with -uniqid to see a hint of the trouble +trait N { + // the symbol for self does not get rebound when synthesizing members in C + val self: N = ??? + val n: self.type = self +} + +abstract class M { + val self: N + val n: self.type +} + +class C extends M with N diff --git a/test/files/pos/trait_fields_inherit_double_def.scala b/test/files/pos/trait_fields_inherit_double_def.scala new file mode 100644 index 0000000000..8703d6312c --- /dev/null +++ b/test/files/pos/trait_fields_inherit_double_def.scala @@ -0,0 +1,20 @@ +// done +// test/files/trait-defaults/fields.scala:24: error: double definition: +// def signalDelegate_=(x$1: Signalling): Unit at line 24 and +// def signalDelegate_=(x$1: Signalling): Unit at line 24 +// have same type +// class SUB extends IterableSplitter +// ^ +// one error found + +trait Signalling + +trait DelegatedSignalling extends Signalling { + var signalDelegate: Signalling +} + +trait IterableSplitter extends DelegatedSignalling { + var signalDelegate: Signalling = ??? +} + +class SUB extends IterableSplitter
\ No newline at end of file diff --git a/test/files/pos/trait_fields_lambdalift.scala b/test/files/pos/trait_fields_lambdalift.scala new file mode 100644 index 0000000000..62304a5268 --- /dev/null +++ b/test/files/pos/trait_fields_lambdalift.scala @@ -0,0 +1,22 @@ +class Lift { + def foo = { + // this will be captured by the MouseHandler trait, + // which gives rise to a new trait field during LambdaLift + var Clicked = "Clicked" + + def bar = Clicked + + trait MouseHandler { + def mouseClicked = Clicked + bar + } + + class CC extends MouseHandler + + // new C {} + (new CC).mouseClicked + } +} + +object O extends Lift with App { + println(foo) +} diff --git a/test/files/pos/trait_fields_nested_private_object.scala b/test/files/pos/trait_fields_nested_private_object.scala new file mode 100644 index 0000000000..8efc1cb3fa --- /dev/null +++ b/test/files/pos/trait_fields_nested_private_object.scala @@ -0,0 +1,8 @@ +trait NestedObj { + private object O { println("NO") } +} + + +class C extends NestedObj { + def O = ??? +}
\ No newline at end of file diff --git a/test/files/pos/trait_fields_nested_public_object.scala b/test/files/pos/trait_fields_nested_public_object.scala new file mode 100644 index 0000000000..016487fb8a --- /dev/null +++ b/test/files/pos/trait_fields_nested_public_object.scala @@ -0,0 +1,5 @@ +trait NestedObj { + object O { println("NO") } +} + +class C extends NestedObj
\ No newline at end of file diff --git a/test/files/pos/trait_fields_owners.scala b/test/files/pos/trait_fields_owners.scala new file mode 100644 index 0000000000..6aa5572171 --- /dev/null +++ b/test/files/pos/trait_fields_owners.scala @@ -0,0 +1,19 @@ +trait V { + // ok + // error: java.lang.IllegalArgumentException: Could not find proxy for val f: Function1 in List(value f, value v, trait V, package <empty>, package <root>) (currentOwner= value <local V$class> ) + val v = { val f = (x: Int) => x + 1; f(2) } + + // ok + // assertion failed: + // Trying to access the this of another class: tree.symbol = trait V, class symbol = object V$class compilation unit: fields.scala + val developmentVersion = + for { + v <- scalaPropOrNone("maven.version.number") + if v endsWith "-SNAPSHOT" + ov <- scalaPropOrNone("version.number") + } yield ov + + def scalaPropOrNone(name: String): Option[String] = ??? +} + +object O extends V
\ No newline at end of file diff --git a/test/files/pos/trait_fields_private_this.scala b/test/files/pos/trait_fields_private_this.scala new file mode 100644 index 0000000000..8065cc89e6 --- /dev/null +++ b/test/files/pos/trait_fields_private_this.scala @@ -0,0 +1,5 @@ +trait Chars { + private[this] val char2uescapeArray: String = ??? +} + +object Chars extends Chars
\ No newline at end of file diff --git a/test/files/pos/trait_fields_static_fwd.scala b/test/files/pos/trait_fields_static_fwd.scala new file mode 100644 index 0000000000..af2cdad9ff --- /dev/null +++ b/test/files/pos/trait_fields_static_fwd.scala @@ -0,0 +1,10 @@ +trait T { + // Need to mark the synthesized member in the object's module class as notPROTECTED, + // since the trait member will receive this flag later. + // If we don't add notPROTECTED to the synthesized one, the member will not be seen as overriding the trait member. + // Therefore, addForwarders's call to membersBasedOnFlags would see the deferred member in the trait, + // instead of the concrete (desired) one in the class, and thus not create the static forwarder. + protected val propFilename: String = "/" +} + +object P extends T diff --git a/test/files/pos/trait_fields_var_override_deferred.scala b/test/files/pos/trait_fields_var_override_deferred.scala new file mode 100644 index 0000000000..0205326506 --- /dev/null +++ b/test/files/pos/trait_fields_var_override_deferred.scala @@ -0,0 +1,2 @@ +trait SizeChangeEvent { protected var end: Int } +class BackedUpListIterator[E](override protected var end: Int) extends SizeChangeEvent diff --git a/test/files/pos/trait_fields_volatile.scala b/test/files/pos/trait_fields_volatile.scala new file mode 100644 index 0000000000..030b24f187 --- /dev/null +++ b/test/files/pos/trait_fields_volatile.scala @@ -0,0 +1,13 @@ +// This test illustrates the intent of what should work (but didn't for a while during the fields refactoring), +// but it does not actually defend against the regression seen in twitter-util's Scheduler, which I cannot reproduce +// outside the project. The whole project consistently fails to build before, and compiles after the commit +// that includes this test, but this single test file (as well as Scheduler.scala with external dependencies removed) +// compiles both before and after.... +// (https://github.com/twitter/util/blob/6398a56923/util-core/src/main/scala/com/twitter/concurrent/Scheduler.scala#L260-L265) +// There's also a run test that checks that the field in C is actually volatile. +trait Vola { + @volatile private[this] var _vola = "tile" + @volatile var vola = "tile" +} + +class C extends Vola diff --git a/test/files/pos/trait_lazy_accessboundary.scala b/test/files/pos/trait_lazy_accessboundary.scala new file mode 100644 index 0000000000..6529816ffb --- /dev/null +++ b/test/files/pos/trait_lazy_accessboundary.scala @@ -0,0 +1,2 @@ +package foo { trait HasLazy { private[foo] lazy val myLazy = "my lady" } } +package bar { class MixInSuperLazy extends foo.HasLazy } diff --git a/test/files/pos/typevar-in-prefix.scala b/test/files/pos/typevar-in-prefix.scala new file mode 100644 index 0000000000..929648b789 --- /dev/null +++ b/test/files/pos/typevar-in-prefix.scala @@ -0,0 +1,9 @@ +trait Test1 { + abstract class Setting + def Bool: Setting + + class C[T <: Setting](val s: T) + val setting1 = null.asInstanceOf[_1.s.type forSome { val _1: C[Setting] }] + // the derived accessor for this val was not using an inferred type, as was + // the intention of the implementation in MethodSynthesis. +} diff --git a/test/files/pos/val_infer.scala b/test/files/pos/val_infer.scala new file mode 100644 index 0000000000..5f82da8393 --- /dev/null +++ b/test/files/pos/val_infer.scala @@ -0,0 +1,5 @@ +class Test { + implicit def s2i(s: String): Int = s.length + trait Base { def foo: Int } + trait Sub extends Base { val foo = "" } +} diff --git a/test/files/pos/virtpatmat_exist1.scala b/test/files/pos/virtpatmat_exist1.scala index 6cad017b0b..1f24892489 100644 --- a/test/files/pos/virtpatmat_exist1.scala +++ b/test/files/pos/virtpatmat_exist1.scala @@ -1,5 +1,6 @@ import annotation.unchecked.{ uncheckedVariance=> uV } -import scala.collection.immutable.{ListMap, HashMap, ListSet, HashSet} +import scala.collection.immutable.{ListMap, ListSet} +import scala.collection.mutable.{HashMap, HashSet} object Test { class HashMapCollision1[A, +B](var hash: Int, var kvs: ListMap[A, B @uV]) extends HashMap[A, B @uV] |