Add corelib tests

test/codegen/corelib/date_time5_test.dart

Index: test/codegen/corelib/date_time5_test.dart
diff --git a/test/codegen/corelib/date_time5_test.dart b/test/codegen/corelib/date_time5_test.dart
new file mode 100644
index 0000000000000000000000000000000000000000..abf893d51e1d27f18365e74a64ce38d732c17af8
--- /dev/null
+++ b/test/codegen/corelib/date_time5_test.dart
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+// 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 DateTime constructor with optional arguments.
+
+main() {
+  var d = new DateTime(2012);
+  Expect.equals(2012, d.year);
+  Expect.equals(1, d.month);
+  Expect.equals(1, d.day);
+  Expect.equals(0, d.hour);
+  Expect.equals(0, d.minute);
+  Expect.equals(0, d.second);
+  Expect.equals(0, d.millisecond);
+
+  d = new DateTime(2012, 1, 28);
+  Expect.equals(2012, d.year);
+  Expect.equals(1, d.month);
+  Expect.equals(28, d.day);
+  Expect.equals(0, d.hour);
+  Expect.equals(0, d.minute);
+  Expect.equals(0, d.second);
+  Expect.equals(0, d.millisecond);
+
+  d = new DateTime(1970, 3);
+  Expect.equals(1970, d.year);
+  Expect.equals(3, d.month);
+  Expect.equals(1, d.day);
+  Expect.equals(0, d.hour);
+  Expect.equals(0, d.minute);
+  Expect.equals(0, d.second);
+  Expect.equals(0, d.millisecond);
+
+  d = new DateTime(1970, 3, 1, 11);
+  Expect.equals(1970, d.year);
+  Expect.equals(3, d.month);
+  Expect.equals(1, d.day);
+  Expect.equals(11, d.hour);
+  Expect.equals(0, d.minute);
+  Expect.equals(0, d.second);
+  Expect.equals(0, d.millisecond);
+
+  d = new DateTime(0, 12, 24, 0, 12);
+  Expect.equals(0, d.year);
+  Expect.equals(12, d.month);
+  Expect.equals(24, d.day);
+  Expect.equals(0, d.hour);
+  Expect.equals(12, d.minute);
+  Expect.equals(0, d.second);
+  Expect.equals(0, d.millisecond);
+
+  d = new DateTime(-1, 2, 2, 3, 0, 0, 4);
+  Expect.equals(-1, d.year);
+  Expect.equals(2, d.month);
+  Expect.equals(2, d.day);
+  Expect.equals(3, d.hour);
+  Expect.equals(0, d.minute);
+  Expect.equals(0, d.second);
+  Expect.equals(4, d.millisecond);
+
+  d = new DateTime(-1, 2, 2, 3, 0, 4);
+  Expect.equals(-1, d.year);
+  Expect.equals(2, d.month);
+  Expect.equals(2, d.day);
+  Expect.equals(3, d.hour);
+  Expect.equals(0, d.minute);
+  Expect.equals(4, d.second);
+  Expect.equals(0, d.millisecond);
+
+  d = new DateTime(2012, 5, 15, 13, 21, 33, 12);
+  Expect.equals(2012, d.year);
+  Expect.equals(5, d.month);
+  Expect.equals(15, d.day);
+  Expect.equals(13, d.hour);
+  Expect.equals(21, d.minute);
+  Expect.equals(33, d.second);
+  Expect.equals(12, d.millisecond);
+}