add test set for exhaustivity and redundancy check

1 files changed, 40 insertions, 0 deletions

diff --git a/tests/patmat/patmat-ortype.scala b/tests/patmat/patmat-ortype.scala
new file mode 100644
index 000000000..c7419acd3
--- /dev/null
+++ b/tests/patmat/patmat-ortype.scala
@@ -0,0 +1,40 @@
+object PatmatOrType {
+
+  def foo1(x: Int | Double) = x match {
+    case _: Int => true
+    case _: Double => true
+  }
+
+  def foo2a(x: Int | Double | String) = x match { // _: String not matched
+    case _: Int => true
+    case _: Double => true
+  }
+
+  def foo2b(x: Int | Double | String) = x match {
+    case _: Int => true
+    case _: (Double | String) => true
+  }
+
+  def foo3(x: Option[Int | Double | String]) = x match { // warning: None, Some(_: String) not matched
+    case Some(_: Int) => true
+    case Some(_: Double) => true
+  }
+
+  def foo4(x: Option[Int | Double | String]) = x match {
+    case Some(_: Int) => true
+    case Some(_: Double) => true
+    case Some(_: String) => true
+    case None => false
+  }
+
+  def foo5a(x: Option[Int | Double | String]) = x match {
+    case Some(_: (Int | Double)) => true
+    case Some(_: String) => true
+    case None => false
+  }
+
+  def foo5b(x: Option[Int | Double | String]) = x match { // warning: Some(_: String) not matched
+    case Some(_: (Int | Double)) => true
+    case None => false
+  }
+}
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