1 files changed, 77 insertions, 0 deletions
diff --git a/test-suite/src/test/scala/scala/scalajs/testsuite/compiler/RuntimeTypesTest.scala b/test-suite/src/test/scala/scala/scalajs/testsuite/compiler/RuntimeTypesTest.scala
new file mode 100644
index 0000000..b1a32c4
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+++ b/test-suite/src/test/scala/scala/scalajs/testsuite/compiler/RuntimeTypesTest.scala
@@ -0,0 +1,77 @@
+/*                     __                                               *\
+**     ________ ___   / /  ___      __ ____  Scala.js Test Suite        **
+**    / __/ __// _ | / /  / _ | __ / // __/  (c) 2013, LAMP/EPFL        **
+**  __\ \/ /__/ __ |/ /__/ __ |/_// /_\ \    http://scala-js.org/       **
+** /____/\___/_/ |_/____/_/ | |__/ /____/                               **
+**                          |/____/                                     **
+\*                                                                      */
+package scala.scalajs.testsuite.compiler
+
+import scala.scalajs.js
+import org.scalajs.jasminetest.JasmineTest
+
+import scala.util.{ Try, Failure }
+
+object RuntimeTypesTest extends JasmineTest {
+
+  describe("scala.Nothing") {
+
+    when("compliant-asinstanceof").
+    it("casts to scala.Nothing should fail") {
+      val msg = Try("a".asInstanceOf[Nothing]) match {
+        case Failure(thr: ClassCastException) => thr.getMessage
+        case _ => "not failed"
+      }
+      expect(msg).toEqual("a is not an instance of scala.runtime.Nothing$")
+    }
+
+    it("Array[Nothing] should be allowed to exists and be castable") {
+      val arr = Array[Nothing]()
+      arr.asInstanceOf[Array[Nothing]]
+    }
+
+    it("Array[Array[Nothing]], too") {
+      val arr = Array[Array[Nothing]]()
+      arr.asInstanceOf[Array[Array[Nothing]]]
+      // This apparently works too... Dunno why
+      arr.asInstanceOf[Array[Nothing]]
+    }
+
+  }
+
+  describe("scala.Null") {
+
+    when("compliant-asinstanceof").
+    it("casts to scala.Null should fail for everything else but null") {
+      val msg = Try("a".asInstanceOf[Null]) match {
+        case Failure(thr: ClassCastException) => thr.getMessage
+        case _ => "not failed"
+      }
+      expect(msg).toEqual("a is not an instance of scala.runtime.Null$")
+    }
+
+    it("classTag of scala.Null should contain proper Class[_] - #297") {
+      val tag = scala.reflect.classTag[Null]
+      expect(tag.runtimeClass != null).toBeTruthy
+      expect(tag.runtimeClass.getName).toEqual("scala.runtime.Null$")
+    }
+
+    it("casts to scala.Null should succeed on null") {
+      null.asInstanceOf[Null]
+    }
+
+    it("Array[Null] should be allowed to exist and be castable") {
+      val arr = Array.fill[Null](5)(null)
+      arr.asInstanceOf[Array[Null]]
+    }
+
+    it("Array[Array[Null]] too") {
+      val arr = Array.fill[Null](5,5)(null)
+      arr.asInstanceOf[Array[Array[Null]]]
+      // This apparently works too... Dunno why
+      arr.asInstanceOf[Array[Null]]
+    }
+
+  }
+
+}