Support Expectation.identical.

lib/unittest/expectation.dart

Index: lib/unittest/expectation.dart
diff --git a/lib/unittest/expectation.dart b/lib/unittest/expectation.dart
index a0add00c0bf449aa476cb7541291c70a7d4c8b88..b81160d2c2c27c803e19e9f6107ba67461e3623c 100644
--- a/lib/unittest/expectation.dart
+++ b/lib/unittest/expectation.dart
@@ -38,6 +38,13 @@ class Expectation {
     Expect.approxEquals(expected, _value, tolerance: tolerance, reason: reason);
   }
 
+  /**
+   * Asserts that two objects are identical (using [:===:]).
+   */
+  void identical(expected) {

[Bob Nystrom, 2012/04/13 15:59:46]

How about "same" or "sameAs"?

[Anton Muhin, 2012/04/13 16:04:14]

I'd vote for same, is it ok w/ you?

[Anton Muhin, 2012/04/13 16:54:27]

Done.  Thanks a lot, landing.

On 2012/04/13 16:04:14, antonmuhin wrote:

+    Expect.identical(_value, expected);
+  }
+
   /** Asserts that the value is [null]. */
   void isNull() {
     Expect.equals(null, _value);