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-rw-r--r--test/files/jvm/t8786-sig.scala116
-rw-r--r--test/files/jvm/t8786/A_1.scala3
-rw-r--r--test/files/jvm/t8786/B_2.java22
-rw-r--r--test/files/jvm/t8786/Test_2.scala3
-rw-r--r--test/files/jvm/varargs/JavaClass.java26
-rw-r--r--test/files/jvm/varargs/VaClass.scala9
-rw-r--r--test/files/jvm/varargs/varargs.scala16
7 files changed, 156 insertions, 39 deletions
diff --git a/test/files/jvm/t8786-sig.scala b/test/files/jvm/t8786-sig.scala
new file mode 100644
index 0000000000..0745b650e6
--- /dev/null
+++ b/test/files/jvm/t8786-sig.scala
@@ -0,0 +1,116 @@
+class A[U] {
+ @annotation.varargs def m1[T] (a: T*): T = a.head
+ @annotation.varargs def m2[T <: AnyRef](a: T*): T = a.head
+ @annotation.varargs def m3[T <: AnyVal](a: T*): T = a.head
+ @annotation.varargs def m4[T <: Int] (a: T*): T = a.head
+ @annotation.varargs def m5[T <: String](a: T*): T = a.head
+ @annotation.varargs def m6 (a: String*): String = a.head
+ @annotation.varargs def m7 (a: Int*): Int = a.head
+ @annotation.varargs def m8 (a: U*): U = a.head
+
+ def n1[T] (a: Array[T]): T = a(0)
+ def n2[T <: AnyRef](a: Array[T]): T = a(0)
+ def n3[T <: AnyVal](a: Array[T]): T = a(0)
+ def n4[T <: Int] (a: Array[T]): T = a(0)
+ def n5[T <: String](a: Array[T]): T = a(0)
+ def n6 (a: Array[String]): String = a(0)
+ def n7 (a: Array[Int]): Int = a(0)
+ def n8 (a: Array[U]): U = a(0)
+}
+
+object Test extends App {
+ val a = classOf[A[_]]
+
+ def sig (method: String, tp: Class[_]) = a.getDeclaredMethod(method, tp).toString
+ def genSig(method: String, tp: Class[_]) = a.getDeclaredMethod(method, tp).toGenericString
+ def bound (method: String, tp: Class[_]) = {
+ val m = a.getDeclaredMethod(method, tp)
+ m.getGenericParameterTypes.apply(0) match {
+ case _: Class[_] => ""
+ case gat: java.lang.reflect.GenericArrayType =>
+ val compTp = gat.getGenericComponentType.asInstanceOf[java.lang.reflect.TypeVariable[_]]
+ compTp.getBounds.apply(0).toString
+ }
+ }
+
+ def check(a: String, b: String) = {
+ assert(a == b, s"found: $a\nexpected: $b")
+ }
+
+ val sq = classOf[Seq[_]]
+ val ob = classOf[Object]
+ val ao = classOf[Array[Object]]
+ val as = classOf[Array[String]]
+ val ai = classOf[Array[Int]]
+
+ check(sig("m1", sq) , "public java.lang.Object A.m1(scala.collection.Seq)")
+ check(sig("m2", sq) , "public java.lang.Object A.m2(scala.collection.Seq)")
+ check(sig("m3", sq) , "public java.lang.Object A.m3(scala.collection.Seq)")
+ check(sig("m4", sq) , "public int A.m4(scala.collection.Seq)")
+ check(sig("m5", sq) , "public java.lang.String A.m5(scala.collection.Seq)")
+ check(sig("m6", sq) , "public java.lang.String A.m6(scala.collection.Seq)")
+ check(sig("m7", sq) , "public int A.m7(scala.collection.Seq)")
+ check(sig("m8", sq) , "public java.lang.Object A.m8(scala.collection.Seq)")
+
+ check(genSig("m1", sq), "public <T> T A.m1(scala.collection.Seq<T>)")
+ check(genSig("m2", sq), "public <T> T A.m2(scala.collection.Seq<T>)")
+ check(genSig("m3", sq), "public <T> T A.m3(scala.collection.Seq<T>)")
+ // TODO: the signature for is wrong for T <: Int, SI-9846. The signature should be
+ // `public int A.m4(scala.collection.Seq<java.lang.Object>)`. This is testing the status quo.
+ check(genSig("m4", sq), "public <T> T A.m4(scala.collection.Seq<T>)")
+ check(genSig("m5", sq), "public <T> T A.m5(scala.collection.Seq<T>)")
+ check(genSig("m6", sq), "public java.lang.String A.m6(scala.collection.Seq<java.lang.String>)")
+ check(genSig("m7", sq), "public int A.m7(scala.collection.Seq<java.lang.Object>)")
+ check(genSig("m8", sq), "public U A.m8(scala.collection.Seq<U>)")
+
+
+ // varargs forwarder
+
+ check(sig("m1", ao) , "public java.lang.Object A.m1(java.lang.Object[])")
+ check(sig("m2", ao) , "public java.lang.Object A.m2(java.lang.Object[])")
+ check(sig("m3", ao) , "public java.lang.Object A.m3(java.lang.Object[])")
+ check(sig("m4", ao) , "public int A.m4(java.lang.Object[])")
+ check(sig("m5", as) , "public java.lang.String A.m5(java.lang.String[])")
+ check(sig("m6", as) , "public java.lang.String A.m6(java.lang.String[])")
+ check(sig("m7", ai) , "public int A.m7(int[])")
+ check(sig("m8", ao) , "public java.lang.Object A.m8(java.lang.Object[])")
+
+ check(genSig("m1", ao), "public <T> T A.m1(T...)")
+ check(genSig("m2", ao), "public <T> T A.m2(T...)")
+ check(genSig("m3", ao), "public <T> T A.m3(T...)")
+ // testing status quo: signature is wrong for T <: Int, SI-9846
+ check(genSig("m4", ao), "public <T> T A.m4(T...)")
+ check(genSig("m5", as), "public <T> T A.m5(T...)")
+ check(genSig("m6", as), "public java.lang.String A.m6(java.lang.String...)")
+ check(genSig("m7", ai), "public int A.m7(int...)")
+ check(genSig("m8", ao), "public U A.m8(U...)")
+
+ check(bound("m1", ao) , "class java.lang.Object")
+ check(bound("m2", ao) , "class java.lang.Object")
+ check(bound("m3", ao) , "class java.lang.Object")
+ check(bound("m4", ao) , "class java.lang.Object")
+ check(bound("m5", as) , "class java.lang.String")
+ check(bound("m6", as) , "")
+ check(bound("m7", ai) , "")
+ check(bound("m8", ao) , "class java.lang.Object")
+
+
+ check(sig("n1", ob) , "public java.lang.Object A.n1(java.lang.Object)")
+ check(sig("n2", ao) , "public java.lang.Object A.n2(java.lang.Object[])")
+ check(sig("n3", ob) , "public java.lang.Object A.n3(java.lang.Object)")
+ check(sig("n4", ob) , "public int A.n4(java.lang.Object)")
+ check(sig("n5", as) , "public java.lang.String A.n5(java.lang.String[])")
+ check(sig("n6", as) , "public java.lang.String A.n6(java.lang.String[])")
+ check(sig("n7", ai) , "public int A.n7(int[])")
+ check(sig("n8", ob) , "public java.lang.Object A.n8(java.lang.Object)")
+
+ check(genSig("n1", ob), "public <T> T A.n1(java.lang.Object)")
+ check(genSig("n2", ao), "public <T> T A.n2(T[])")
+ check(genSig("n3", ob), "public <T> T A.n3(java.lang.Object)")
+ // testing status quo: signature is wrong for T <: Int, SI-9846
+ check(genSig("n4", ob), "public <T> T A.n4(java.lang.Object)")
+ check(genSig("n5", as), "public <T> T A.n5(T[])")
+ check(genSig("n6", as), "public java.lang.String A.n6(java.lang.String[])")
+ check(genSig("n7", ai), "public int A.n7(int[])")
+ check(genSig("n8", ob), "public U A.n8(java.lang.Object)")
+}
diff --git a/test/files/jvm/t8786/A_1.scala b/test/files/jvm/t8786/A_1.scala
new file mode 100644
index 0000000000..13c0ad191d
--- /dev/null
+++ b/test/files/jvm/t8786/A_1.scala
@@ -0,0 +1,3 @@
+class A {
+ @annotation.varargs def foo[T](a: Int, b: T*): T = b.head
+}
diff --git a/test/files/jvm/t8786/B_2.java b/test/files/jvm/t8786/B_2.java
new file mode 100644
index 0000000000..dc155a290f
--- /dev/null
+++ b/test/files/jvm/t8786/B_2.java
@@ -0,0 +1,22 @@
+public class B_2 {
+ private static int res = 0;
+
+ public static void m(char a[]) { res += 10; }
+ public static void m(String a) { res += 100; }
+ public static void m(Object a) { res += 1000; }
+
+ public static <T> T foo(int a, T... b) { return b[0]; }
+
+ public static <T> T bar(T b[]) { return b[0]; }
+
+ public static void main(String[] args) {
+ m(foo(15, "a", "b", "c"));
+ if (res != 100)
+ throw new Error("bad: "+ res);
+
+ A a = new A();
+ m(a.foo(16, "a", "b", "c"));
+ if (res != 200)
+ throw new Error("bad: " + res);
+ }
+}
diff --git a/test/files/jvm/t8786/Test_2.scala b/test/files/jvm/t8786/Test_2.scala
new file mode 100644
index 0000000000..76ccb4c3ed
--- /dev/null
+++ b/test/files/jvm/t8786/Test_2.scala
@@ -0,0 +1,3 @@
+object Test extends App {
+ B_2.main(null)
+}
diff --git a/test/files/jvm/varargs/JavaClass.java b/test/files/jvm/varargs/JavaClass.java
index 6928ee5adc..0cc3587c5e 100644
--- a/test/files/jvm/varargs/JavaClass.java
+++ b/test/files/jvm/varargs/JavaClass.java
@@ -1,16 +1,12 @@
-
-
-
public class JavaClass {
- public static <T> void varargz(int i, T... v) {
- }
-
- public static void callSomeAnnotations() {
- VaClass va = new VaClass();
- va.vs(4, "", "", "");
- va.vi(1, 2, 3, 4);
- varargz(5, 1.0, 2.0, 3.0);
- va.vt(16, "", "", "");
- System.out.println(va.vt1(16, "a", "b", "c"));
- }
-} \ No newline at end of file
+ public static <T> void varargz(int i, T... v) { }
+
+ public static void callSomeAnnotations() {
+ VaClass va = new VaClass();
+ va.vs(4, "", "", "");
+ va.vi(1, 2, 3, 4);
+ varargz(5, 1.0, 2.0, 3.0);
+ va.vt(16, "", "", "");
+ System.out.println(va.vt1(16, "a", "b", "c"));
+ }
+}
diff --git a/test/files/jvm/varargs/VaClass.scala b/test/files/jvm/varargs/VaClass.scala
index d83e63ace1..ee8c288a16 100644
--- a/test/files/jvm/varargs/VaClass.scala
+++ b/test/files/jvm/varargs/VaClass.scala
@@ -1,15 +1,8 @@
-
-
import annotation.varargs
-
-
class VaClass {
-
@varargs def vs(a: Int, b: String*) = println(a + b.length)
@varargs def vi(a: Int, b: Int*) = println(a + b.sum)
@varargs def vt[T](a: Int, b: T*) = println(a + b.length)
-
- // TODO remove type bound after fixing SI-8786, see also https://github.com/scala/scala/pull/3961
- @varargs def vt1[T <: String](a: Int, b: T*): T = b.head
+ @varargs def vt1[T](a: Int, b: T*): T = b.head
}
diff --git a/test/files/jvm/varargs/varargs.scala b/test/files/jvm/varargs/varargs.scala
index 6d2e707bdf..b09818f46f 100644
--- a/test/files/jvm/varargs/varargs.scala
+++ b/test/files/jvm/varargs/varargs.scala
@@ -1,21 +1,5 @@
-
-
-
-
-
-
object Test {
def main(args: Array[String]) {
JavaClass.callSomeAnnotations
}
}
-
-
-
-
-
-
-
-
-
-