Index: test/codegen/corelib/null_test.dart |
diff --git a/test/codegen/corelib/null_test.dart b/test/codegen/corelib/null_test.dart |
new file mode 100644 |
index 0000000000000000000000000000000000000000..994ca40d39ef6cab1e1ee8a427b51df39ee4b843 |
--- /dev/null |
+++ b/test/codegen/corelib/null_test.dart |
@@ -0,0 +1,32 @@ |
+// Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file |
+// for details. All rights reserved. Use of this source code is governed by a |
+// BSD-style license that can be found in the LICENSE file. |
+ |
+import "package:expect/expect.dart"; |
+ |
+// Test that Null inherits properties from Object. |
+ |
+main() { |
+ var x; |
+ |
+ Expect.isTrue(x is Object); |
+ Expect.isTrue(x is dynamic); |
+ Expect.isTrue(x is! String); |
+ Expect.isTrue(x is! int); |
+ |
+ // These shouldn't throw. |
+ x.runtimeType; |
+ x.toString(); |
+ x.hashCode; |
+ |
+ // operator== is inherited from Object. It's the same as identical. |
+ // It's not really testable. |
+ Expect.isTrue(identical(x, null)); |
+ Expect.isTrue(x == null); |
+ |
+ // Methods can be closurized and yields the same result. |
+ var ts = x.toString; |
+ Expect.equals(null.toString(), ts()); |
+ |
+ // noSuchMethod is tested in null_nosuchmethod_test.dart. |
+} |