diff options
Diffstat (limited to 'test/files/run')
-rw-r--r-- | test/files/run/WeakHashSetTest.scala | 174 | ||||
-rw-r--r-- | test/files/run/t7775.scala | 17 | ||||
-rw-r--r-- | test/files/run/t7779.scala | 67 |
3 files changed, 258 insertions, 0 deletions
diff --git a/test/files/run/WeakHashSetTest.scala b/test/files/run/WeakHashSetTest.scala new file mode 100644 index 0000000000..3c8f380150 --- /dev/null +++ b/test/files/run/WeakHashSetTest.scala @@ -0,0 +1,174 @@ +object Test { + def main(args: Array[String]) { + val test = scala.reflect.internal.util.WeakHashSetTest + test.checkEmpty + test.checkPlusEquals + test.checkPlusEqualsCollisions + test.checkRehashing + test.checkRehashCollisions + test.checkFindOrUpdate + test.checkMinusEquals + test.checkMinusEqualsCollisions + test.checkClear + test.checkIterator + test.checkIteratorCollisions + + // This test is commented out because it relies on gc behavior which isn't reliable enough in an automated environment + // test.checkRemoveUnreferencedObjects + } +} + +// put the main test object in the same package as WeakHashSet because +// it uses the package private "diagnostics" method +package scala.reflect.internal.util { + + object WeakHashSetTest { + // a class guaranteed to provide hash collisions + case class Collider(x : String) extends Comparable[Collider] with Serializable { + override def hashCode = 0 + def compareTo(y : Collider) = this.x compareTo y.x + } + + // basic emptiness check + def checkEmpty { + val hs = new WeakHashSet[String]() + assert(hs.size == 0) + hs.diagnostics.fullyValidate + } + + // make sure += works + def checkPlusEquals { + val hs = new WeakHashSet[String]() + val elements = List("hello", "goodbye") + elements foreach (hs += _) + assert(hs.size == 2) + assert(hs contains "hello") + assert(hs contains "goodbye") + hs.diagnostics.fullyValidate + } + + // make sure += works when there are collisions + def checkPlusEqualsCollisions { + val hs = new WeakHashSet[Collider]() + val elements = List("hello", "goodbye") map Collider + elements foreach (hs += _) + assert(hs.size == 2) + assert(hs contains Collider("hello")) + assert(hs contains Collider("goodbye")) + hs.diagnostics.fullyValidate + } + + // add a large number of elements to force rehashing and then validate + def checkRehashing { + val size = 200 + val hs = new WeakHashSet[String]() + val elements = (0 until size).toList map ("a" + _) + elements foreach (hs += _) + elements foreach {i => assert(hs contains i)} + hs.diagnostics.fullyValidate + } + + // make sure rehashing works properly when the set is rehashed + def checkRehashCollisions { + val size = 200 + val hs = new WeakHashSet[Collider]() + val elements = (0 until size).toList map {x => Collider("a" + x)} + elements foreach (hs += _) + elements foreach {i => assert(hs contains i)} + hs.diagnostics.fullyValidate + } + + // test that unreferenced objects are removed + // not run in an automated environment because gc behavior can't be relied on + def checkRemoveUnreferencedObjects { + val size = 200 + val hs = new WeakHashSet[Collider]() + val elements = (0 until size).toList map {x => Collider("a" + x)} + elements foreach (hs += _) + // don't throw the following into a retained collection so gc + // can remove them + for (i <- 0 until size) { + hs += Collider("b" + i) + } + System.gc() + Thread.sleep(1000) + assert(hs.size == 200) + elements foreach {i => assert(hs contains i)} + for (i <- 0 until size) { + assert(!(hs contains Collider("b" + i))) + } + hs.diagnostics.fullyValidate + } + + // make sure findOrUpdate returns the originally entered element + def checkFindOrUpdate { + val size = 200 + val hs = new WeakHashSet[Collider]() + val elements = (0 until size).toList map {x => Collider("a" + x)} + elements foreach {x => assert(hs findEntryOrUpdate x eq x)} + for (i <- 0 until size) { + // when we do a lookup the result should be the same reference we + // original put in + assert(hs findEntryOrUpdate(Collider("a" + i)) eq elements(i)) + } + hs.diagnostics.fullyValidate + } + + // check -= functionality + def checkMinusEquals { + val hs = new WeakHashSet[String]() + val elements = List("hello", "goodbye") + elements foreach (hs += _) + hs -= "goodbye" + assert(hs.size == 1) + assert(hs contains "hello") + assert(!(hs contains "goodbye")) + hs.diagnostics.fullyValidate + } + + // check -= when there are collisions + def checkMinusEqualsCollisions { + val hs = new WeakHashSet[Collider] + val elements = List(Collider("hello"), Collider("goodbye")) + elements foreach (hs += _) + hs -= Collider("goodbye") + assert(hs.size == 1) + assert(hs contains Collider("hello")) + assert(!(hs contains Collider("goodbye"))) + hs -= Collider("hello") + assert(hs.size == 0) + assert(!(hs contains Collider("hello"))) + hs.diagnostics.fullyValidate + } + + // check that the clear method actually cleans everything + def checkClear { + val size = 200 + val hs = new WeakHashSet[String]() + val elements = (0 until size).toList map ("a" + _) + elements foreach (hs += _) + hs.clear() + assert(hs.size == 0) + elements foreach {i => assert(!(hs contains i))} + hs.diagnostics.fullyValidate + } + + // check that the iterator covers all the contents + def checkIterator { + val hs = new WeakHashSet[String]() + val elements = (0 until 20).toList map ("a" + _) + elements foreach (hs += _) + assert(elements.iterator.toList.sorted == elements.sorted) + hs.diagnostics.fullyValidate + } + + // check that the iterator covers all the contents even when there is a collision + def checkIteratorCollisions { + val hs = new WeakHashSet[Collider] + val elements = (0 until 20).toList map {x => Collider("a" + x)} + elements foreach (hs += _) + assert(elements.iterator.toList.sorted == elements.sorted) + hs.diagnostics.fullyValidate + } + } +} diff --git a/test/files/run/t7775.scala b/test/files/run/t7775.scala new file mode 100644 index 0000000000..5fb0327611 --- /dev/null +++ b/test/files/run/t7775.scala @@ -0,0 +1,17 @@ +import scala.concurrent.{duration, future, Await, ExecutionContext} +import scala.tools.nsc.Settings +import ExecutionContext.Implicits.global + +// Was failing pretty regularly with a ConcurrentModificationException as +// WrappedProperties#systemProperties iterated directly over the mutable +// global system properties map. +object Test { + def main(args: Array[String]) { + val tries = 1000 // YMMV + val compiler = future { + for(_ <- 1 to tries) new Settings(_ => {}) + } + for(i <- 1 to tries * 10) System.setProperty(s"foo$i", i.toString) + Await.result(compiler, duration.Duration.Inf) + } +} diff --git a/test/files/run/t7779.scala b/test/files/run/t7779.scala new file mode 100644 index 0000000000..db32cb751f --- /dev/null +++ b/test/files/run/t7779.scala @@ -0,0 +1,67 @@ +// -Xmax-classfile-length doesn't compress top-level classes. +// class ::::::::::::::::::::::::::::::::::::::::::::::::: + +trait Marker + +class Short extends Marker + +// We just test with member classes +object O { + object ::::::::::::::::::::::::::::::::::::::::::::::::: extends Marker +} +class C { + class D { + class ::::::::::::::::::::::::::::::::::::::::::::::::: extends Marker + } +} + +package pack { + // abbreviates to: $colon$colon$colon$colon$colon$colon$colon$colon$colon$colon$colon$colon$colon$colon$colon$colon$colon$colon$colon$colon$colon$colon$colon$colon$colon$colon$colon$colon$colon$colon$colon$colon$colon$colon$colon$colon$colon$colon$colon$colon$colon$colon$colon$colon$colon$colon$colon$colon$colon to $read$$iw$$iw$$colon$colon$colon$colon$colon$colon$colon$colon$$$$c39b3f245029fbed9732fc888d44231b$$$$on$colon$colon$colon$colon$colon$colon$colon$colon$colon$colon + // class ::::::::::::::::::::::::::::::::::::::::::::::::: + + class Short extends Marker + + // We just test with member classes + object O { + object ::::::::::::::::::::::::::::::::::::::::::::::::: extends Marker + } + class C { + class D { + class ::::::::::::::::::::::::::::::::::::::::::::::::: extends Marker + } + } + package p2 { + class Short extends Marker + + object O { + object ::::::::::::::::::::::::::::::::::::::::::::::::: extends Marker + } + class C { + class D { + class ::::::::::::::::::::::::::::::::::::::::::::::::: extends Marker + } + } + } +} + + +object Test extends App { + import reflect.runtime.universe._ + def test[T: TypeTag] = { + val tt = typeTag[T] + val clz = tt.mirror.runtimeClass(tt.tpe) + assert(classOf[Marker].isAssignableFrom(clz), clz.toString) + } + + test[Short] + test[O.:::::::::::::::::::::::::::::::::::::::::::::::::.type] + test[C#D#`:::::::::::::::::::::::::::::::::::::::::::::::::`] + + test[pack.Short] + test[pack.O.:::::::::::::::::::::::::::::::::::::::::::::::::.type] + test[pack.C#D#`:::::::::::::::::::::::::::::::::::::::::::::::::`] + + test[pack.p2.Short] + test[pack.p2.O.:::::::::::::::::::::::::::::::::::::::::::::::::.type] + test[pack.p2.C#D#`:::::::::::::::::::::::::::::::::::::::::::::::::`] +} |