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author | Jason Zaugg <jzaugg@gmail.com> | 2015-01-29 10:23:06 +1000 |
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committer | Jason Zaugg <jzaugg@gmail.com> | 2015-01-29 10:23:06 +1000 |
commit | 09f92d2b74badcdd989e9f17e60344e63b5483cf (patch) | |
tree | bc991e16497412c0c5ca291124ea9d27eb7e6069 /test/files/run/t9003.scala | |
parent | af3881623cde655b37af77edb46b9e8c1b46b067 (diff) | |
parent | 7ba38a07916426314cc3bff6999f3992757e0b26 (diff) | |
download | scala-09f92d2b74badcdd989e9f17e60344e63b5483cf.tar.gz scala-09f92d2b74badcdd989e9f17e60344e63b5483cf.tar.bz2 scala-09f92d2b74badcdd989e9f17e60344e63b5483cf.zip |
Merge commit '7ba38a0' into merge/2.11.x-to-2.12.x-20150129
Conflicts:
build.number
src/compiler/scala/tools/nsc/transform/ExtensionMethods.scala
src/library/scala/collection/Iterator.scala
versions.properties
Diffstat (limited to 'test/files/run/t9003.scala')
-rw-r--r-- | test/files/run/t9003.scala | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/test/files/run/t9003.scala b/test/files/run/t9003.scala new file mode 100644 index 0000000000..4f24712201 --- /dev/null +++ b/test/files/run/t9003.scala @@ -0,0 +1,71 @@ +object Single { + var i = 0 + def isEmpty = false + def get = i + def unapply(a: Single.type) = this +} + +object Product { + var i = 0 + def _1: Int = i + def _2: String = ??? + def productArity = 2 + def unapply(a: Product.type) = this + def isEmpty = false + def get: this.type = this +} + +object Sequence { + var i = 0 + def apply(n: Int): Int = i + def length = 2 + def unapplySeq(a: Sequence.type) = this + def isEmpty = false + def get = this +} + +object Test { + def main(args: Array[String]): Unit = { + def assertZero(i: Int) = assert(i == 0) + + Single match { + case Single(i) => + Single.i = 1 + assertZero(i) // fails under -optimize + } + + Product match { + case Product(i, _) => + Product.i = 1 + assertZero(i) // fails under -optimize + } + + Sequence match { + case Sequence(i, _ @ _*) => + Sequence.i = 1 + assertZero(i) // okay + } + + Sequence.i = 0 + Sequence match { + case Sequence(_, i) => + Sequence.i = 1 + assertZero(i) // okay + } + + val buffer = collection.mutable.Buffer(0, 0) + buffer match { + case Seq(_, i) => + buffer(1) = 1 + assertZero(i) // failed + } + + case class CaseSequence(as: Int*) + val buffer1 = collection.mutable.Buffer(0, 0) + CaseSequence(buffer1: _*) match { + case CaseSequence(_, i) => + buffer1(1) = 1 + assertZero(i) // failed + } + } +} |