diff options
Diffstat (limited to 'test/files/run/patmat-mix-case-extractor.scala')
-rw-r--r-- | test/files/run/patmat-mix-case-extractor.scala | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/test/files/run/patmat-mix-case-extractor.scala b/test/files/run/patmat-mix-case-extractor.scala new file mode 100644 index 0000000000..964e6f743c --- /dev/null +++ b/test/files/run/patmat-mix-case-extractor.scala @@ -0,0 +1,110 @@ +trait CaseClass +trait ProdCaseClass extends CaseClass { def x: Int } +trait SeqCaseClass extends CaseClass { def xs: Seq[Int] } + +case class CaseClass1() extends CaseClass +case class CaseClass2(xs: Int*) extends SeqCaseClass +case class CaseClass3(x: Int) extends ProdCaseClass +case class CaseClass4(x: Int, xs: Int*) extends ProdCaseClass with SeqCaseClass + +object Extractor1 { def unapply(x: CaseClass): Boolean = false } +object Extractor2 { def unapplySeq(x: SeqCaseClass): Option[Seq[Int]] = Some(x.xs) } +object Extractor3 { def unapply(x: ProdCaseClass): Option[Int] = Some(x.x) } +object Extractor4 { def unapplySeq(x: ProdCaseClass with SeqCaseClass): Option[(Int, Seq[Int])] = Some(x.x, x.xs) } + +class A { + def f1(x: Any) = x match { + case CaseClass1() => -1 + case CaseClass2(xs @ _*) => xs.sum + case CaseClass3(x) => x + case CaseClass4(x, xs @ _*) => x + xs.sum + case Extractor4(x, xs @ _*) => 1000 + x + xs.sum + case Extractor3(x) => 1000 + x + case Extractor2(xs @ _*) => 1000 + xs.sum + case Extractor1() => -3 + case _ => -2 + } + def f2(x: Any) = x match { + case Extractor4(x, xs @ _*) => 1000 + x + xs.sum + case Extractor3(x) => 1000 + x + case Extractor2(xs @ _*) => 1000 + xs.sum + case Extractor1() => -3 + case CaseClass1() => -1 + case CaseClass2(xs @ _*) => xs.sum + case CaseClass3(x) => x + case CaseClass4(x, xs @ _*) => x + xs.sum + case _ => -2 + } + def run() { + List( + f1(CaseClass1()), + f1(CaseClass2(1, 2, 3)), + f1(CaseClass3(4)), + f1(CaseClass4(5, 6, 7)), + f2(CaseClass1()), + f2(CaseClass2(1, 2, 3)), + f2(CaseClass3(4)), + f2(CaseClass4(5, 6, 7)) + ) foreach println + } +} + +object Test { + def main(args: Array[String]): Unit = { + (new A).run + } +} + + +class B { + case class CaseClass0() + case class CaseClass0v(xs: Int*) + + case class CaseClass(x: Int, y: Int) + object Extractor { def unapply(x: Any): Option[(Int, Int)] = Some((1, 1)) } + + case class CaseSeq(x: Char, y: Double, zs: Int*) + object ExtractorSeq { def unapplySeq(x: Any): Option[(Int, Int, Seq[Int])] = Some((1, 1, List(1))) } + + def f1(x: CaseClass) = x match { case CaseClass(y, z) => y } + def f2(x: Any) = x match { case Extractor(y, z) => y } + + def f3(x: CaseSeq) = x match { + case CaseSeq(x, y) => y + case CaseSeq(x, y, z) => z + } + def f4(x: CaseSeq) = x match { + case CaseSeq(x, y, z) => z :: Nil + case CaseSeq(x, y, z @ _*) => z + } + + def f5(x: Any) = x match { case ExtractorSeq(x, y, z) => z } + def f6(x: Any) = x match { case ExtractorSeq(x, y, z @ _*) => z } + + def g1(x: CaseClass0) = x match { + case CaseClass0() => true + } + def g2(x: CaseClass0v) = x match { + case CaseClass0v() => true + case CaseClass0v(5) => true + case CaseClass0v(x) => true + case CaseClass0v(xs @ _*) => false + } +} + +package p1 { + trait _X { + case class _Foo(); + object _Bar { + def unapply(foo: _Foo): Boolean = true; + } + } + + object Y extends _X { + val foo = _Foo() + foo match { + case _Bar() => + case _ => assert(false) + } + } +} |