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tests/isolate/src/TestFramework.dart

 // Copyright (c) 2011, 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.
 
 #library("TestFramework");
 #import("dart:coreimpl");
 
 
 typedef void AsynchronousTestFunction(TestExpectation check);
 
@@ skipping 162 matching lines @@
   void failed() {
     testCase.tearDown();
   }
 
   Promise completes(Promise promise) {
     Promise result = new TestPromise(this);
     promise.then((value) { result.complete(value); });
     return result;
   }
 
+  Promise completesWithValue(Promise promise, var expected) {
+    Promise result = new TestPromise(this);
+    promise.then((value) {
+      Expect.equals(expected, value);
+      result.complete(value);
+    });
+    return result;
+  }
+
   Function runs0(Function fn) {
     bool ran = false;  // We only check that the function is executed once.
     pendingCallbacks++;
     return () {
       if (!ran) pendingCallbacks--;
       ran = true;
       return result.runGuarded(testCase, () => fn());
     };
   }
 
@@ skipping 81 matching lines @@
 
   void addCompleteHandler(void completeHandler(T result)) {
     super.addCompleteHandler(expect.runs1((T result) {
       completeHandler(result);
     }));
   }
 
   final TestExpectation expect;
 
 }