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author | Paul Phillips <paulp@improving.org> | 2012-09-19 10:46:45 -0700 |
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committer | Paul Phillips <paulp@improving.org> | 2012-09-19 10:58:12 -0700 |
commit | 3cec321f0541c1c2ccb44413676ba213cbfbfca4 (patch) | |
tree | 6581af59f3e4c41bcb03ea143790f95f1a429583 /test/files/run/static-annot/field.scala | |
parent | d521ba28725fb8def570b0ebec4d9172e274c9c9 (diff) | |
parent | 2f9f8d5d67441f6f1999d68b2b2e57f5451f8da7 (diff) | |
download | scala-3cec321f0541c1c2ccb44413676ba213cbfbfca4.tar.gz scala-3cec321f0541c1c2ccb44413676ba213cbfbfca4.tar.bz2 scala-3cec321f0541c1c2ccb44413676ba213cbfbfca4.zip |
Merge branch '2.10.x' into master
* 2.10.x: (51 commits)
improved/fixed reflection docs based on comments
Fixes SI-6354: improved error messages for Dynamic signature mismatches.
Add RedBlackTree tests for take/drop/slice.
Retain Ordering in drop/take/slice signatures.
test case closes SI-5770
clarify caveats of App trait
Remove `@static` annotation from the library.
New starr that does not depend on `@static`.
improved reflection documentation
pull request feedback
SI-5692 better error message
SI-5942 toolboxes now reset front ends
SI-6287 fixes synthetic symbol clashes in toolbox
Revert "Implement @static annotation on singleton object fields."
Revert "WIP add private/lazy checks and a few tests."
Revert "Fixes SI-6189."
Revert "Fixes SI-6236."
Revert "Fix SI-4581."
Revert "Fix SI-6294."
refactors java reflection tests
...
Conflicts:
src/compiler/scala/tools/nsc/typechecker/Typers.scala
src/partest/scala/tools/partest/package.scala
src/reflect/scala/reflect/internal/Trees.scala
Diffstat (limited to 'test/files/run/static-annot/field.scala')
-rw-r--r-- | test/files/run/static-annot/field.scala | 252 |
1 files changed, 0 insertions, 252 deletions
diff --git a/test/files/run/static-annot/field.scala b/test/files/run/static-annot/field.scala deleted file mode 100644 index 8408a51800..0000000000 --- a/test/files/run/static-annot/field.scala +++ /dev/null @@ -1,252 +0,0 @@ - - - -import java.lang.reflect.Modifier -import annotation.static -import reflect._ - - - -/* TEST 1 */ - -/* A @static-annotated field in the companion object should yield - * a static field in its companion class. - */ -object Foo { - @static val bar = 17 -} - - -class Foo - - -trait Check { - def checkStatic(cls: Class[_]) { - cls.getDeclaredFields.find(_.getName == "bar") match { - case Some(f) => - assert(Modifier.isStatic(f.getModifiers), "no static modifier") - case None => - assert(false, "no static field bar in class") - } - } - - def test(): Unit -} - - -object Test1 extends Check { - def test() { - checkStatic(classOf[Foo]) - assert(Foo.bar == 17, "Companion object field should be 17.") - } -} - - -/* TEST 2 */ - -class Foo2 - - -/** The order of declaring the class and its companion is inverted now. */ -object Foo2 { - @static val bar = 199 -} - - -object Test2 extends Check { - def test() { - checkStatic(Class.forName("Foo3")) - assert(Foo3.bar == 1984, "Companion object field should be 1984.") - } -} - - -/* TEST 3 */ - -/** The case where there is no explicit companion class */ -object Foo3 { - @static val bar = 1984 -} - - -object Test3 extends Check { - def test() { - checkStatic(Class.forName("Foo3")) - assert(Foo3.bar == 1984, "Companion object field should be 1984.") - } -} - - -/* TEST 4 */ - -/** We want to be able to generate atomic reference field updaters on the companion object - * so that they are created only once per class declaration, but we want them to actually - * be initialize __in the static initializer of the class itself__. - * This is extremely important, because otherwise the creation of the ARFU fails, since it uses - * trickery to detect the caller and compare it to the owner of the field being modified. - * Previously, this used to be circumvented through the use of Java base classes. A pain. - */ -class ArfuTarget { - @volatile var strfield = ArfuTarget.STR - - def CAS(ov: String, nv: String): Boolean = { - ArfuTarget.arfu.compareAndSet(this, ov, nv) - } -} - - -object ArfuTarget { - @static val arfu = java.util.concurrent.atomic.AtomicReferenceFieldUpdater.newUpdater(classOf[ArfuTarget], classOf[String], "strfield") - val STR = "Some string" -} - - -object Test4 extends Check { - def checkArfu() { - val at = new ArfuTarget - assert(at.strfield == ArfuTarget.STR) - at.CAS(ArfuTarget.STR, null) - assert(at.strfield == null) - } - - def test() { - checkArfu() - } -} - - -/* TEST 5 */ - -/** Although our main use-case is to use final static fields, we should be able to use non-final too. - * Here we set the static field of the class by using the setters in the companion object. - * It is legal to do so using the reference to `Foo` directly (in which case the callsites - * are rewritten to access the static field directly), or through an interface `Var` (in - * which case the getter and the setter for `field` access the static field in `Var`). - */ -trait Var { - var field: Int -} - -object VarHolder extends Var { - @static var field = 1 -} - - -object Test5 extends Check { - def test() { - assert(VarHolder.field == 1) - VarHolder.field = 2 - assert(VarHolder.field == 2) - val vh: Var = VarHolder - vh.field = 3 - assert(vh.field == 3) - } -} - - -/* TEST 6 */ - -/** Here we test flattening the static ctor body and changing the owners of local definitions. */ -object Foo6 { - var companionField = 101 - @static val staticField = { - val intermediate = companionField + 1 - intermediate * 2 - } -} - - -object Test6 extends Check { - def test() { - assert(Foo6.staticField == 204) - } -} - - - -/* TEST 7 */ - -/** Here we test objects nested in top-level objects */ -object Foo7 { - object AndHisFriend { - @static val bar = "string" - } - class AndHisFriend - - object AndHisLonelyFriend { - @static val bar = "another" - } -} - - -object Test7 extends Check { - def test() { - checkStatic(classOf[Foo7.AndHisFriend]) - assert(Foo7.AndHisFriend.bar == "string") - - checkStatic(Class.forName("Foo7$AndHisLonelyFriend")) - assert(Foo7.AndHisLonelyFriend.bar == "another") - } -} - - - -/* TEST 8 */ - -object Foo8 { - @static val field = 7 - - val function: () => Int = () => { - field + 1 - } - - val anon = new Runnable { - def run() { - assert(field == 7, "runnable asserting field is 7") - } - } - - @static var mutable = 10 - - val mutation: () => Unit = () => { - mutable += 1 - } -} - -object Test8 { - def test() { - assert(Foo8.function() == 8, "function must return 8") - Foo8.anon.run() - assert(Foo8.mutable == 10, "mutable is 10") - Foo8.mutation() - assert(Foo8.mutable == 11, "mutable is 11") - Foo8.mutation() - assert(Foo8.mutable == 12, "mutable is 12") - } -} - - - - -/* main */ - -object Test { - - def main(args: Array[String]) { - Test1.test() - Test2.test() - Test3.test() - Test4.test() - Test5.test() - Test6.test() - Test7.test() - Test8.test() - } - -} - - - - - - |