1 files changed, 31 insertions, 0 deletions
diff --git a/examples/scala-js/compiler/src/test/scala/scala/scalajs/compiler/test/DiverseErrorsTest.scala b/examples/scala-js/compiler/src/test/scala/scala/scalajs/compiler/test/DiverseErrorsTest.scala
new file mode 100644
index 0000000..0fe10f8
--- /dev/null
+++ b/examples/scala-js/compiler/src/test/scala/scala/scalajs/compiler/test/DiverseErrorsTest.scala
@@ -0,0 +1,31 @@
+package scala.scalajs.compiler.test
+
+import scala.scalajs.compiler.test.util._
+import org.junit.Test
+
+class DiverseErrorsTest extends DirectTest with TestHelpers  {
+
+  override def preamble =
+    """import scala.scalajs.js
+    """
+
+  @Test
+  def noIsInstanceOnJSRaw = {
+
+    """
+    trait JSRaw extends js.Object
+
+    class A {
+      val a: AnyRef = "asdf"
+      def x = a.isInstanceOf[JSRaw]
+    }
+    """ hasErrors
+    """
+      |newSource1.scala:7: error: isInstanceOf[JSRaw] not supported because it is a raw JS trait
+      |      def x = a.isInstanceOf[JSRaw]
+      |                            ^
+    """
+
+  }
+
+}