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Diffstat (limited to 'test/files/pos/virtpatmat_exhaust.scala')
| -rw-r--r-- | test/files/pos/virtpatmat_exhaust.scala | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/test/files/pos/virtpatmat_exhaust.scala b/test/files/pos/virtpatmat_exhaust.scala new file mode 100644 index 0000000000..a2f47c88c8 --- /dev/null +++ b/test/files/pos/virtpatmat_exhaust.scala @@ -0,0 +1,24 @@ +sealed trait Option {} +case class Choice(a: Option, b: Option) extends Option; +case class Some(x: Boolean) extends Option; +case object None extends Option; + +object test { + +// drop any case and it will report an error +// note that booleans are taken into account + def f(opt: Option) = opt match { + case Choice(None, None) => 1; + case Choice(None, Some(_)) => 1; + case Choice(None, Choice(_, _)) => 1; + case Choice(Some(true), None) => 1; + case Choice(Some(false), None) => 1; + case Choice(Some(_), Some(_)) => 1; + case Choice(Some(_), Choice(_, _)) => 1; + case Choice(Choice(_, _), None) => 1; + case Choice(Choice(_, _), Some(_)) => 1; + case Choice(Choice(_, _), Choice(_, _)) => 1; + case Some(b) => 4; + case None => 5; + } +} |