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Diffstat (limited to 'tests/run/zero-arity-case-class.scala')
-rw-r--r-- | tests/run/zero-arity-case-class.scala | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/tests/run/zero-arity-case-class.scala b/tests/run/zero-arity-case-class.scala new file mode 100644 index 000000000..de0ba4fe1 --- /dev/null +++ b/tests/run/zero-arity-case-class.scala @@ -0,0 +1,26 @@ +case class Foo() + +object Test { + def main(args: Array[String]): Unit = { + assert(Foo.unapply(Foo()) == true) + + // unapply generate by scalac are `_ != null`, + // dotty returns true in all cases + assert(Foo.unapply(null) == true) + + Foo() match { + case Foo() => () + case _ => ??? + } + + Foo() match { + case _: Foo => () + case _ => ??? + } + + (Foo(): Any) match { + case Foo() => () + case _ => ??? + } + } +} |