Change NotImplementedException to UnimplementedError.

pkg/unittest/lib/src/core_matchers.dart

 // 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.
 
 part of matcher;
 
 /**
  * Returns a matcher that matches empty strings, maps or collections.
  */
 const Matcher isEmpty = const _Empty();
@@ skipping 472 matching lines @@
 
 /** A matcher for functions that throw NoSuchMethodError. */
 const Matcher throwsNoSuchMethodError =
     const Throws(isNoSuchMethodError);
 
 class _NoSuchMethodError extends TypeMatcher {
   const _NoSuchMethodError() : super("NoSuchMethodError");
   bool matches(item, MatchState matchState) => item is NoSuchMethodError;
 }
 
+/** A matcher for UnimplementedErrors. */
+const isUnimplementedError = const _UnimplementedError();
+
+/** A matcher for functions that throw Exception. */
+const Matcher throwsUnimplementedError =
+    const Throws(isUnimplementedError);
+
+class _UnimplementedError extends TypeMatcher {
+  const _UnimplementedError() : super("UnimplementedError");
+  bool matches(item, MatchState matchState) => item is UnimplementedError;
+}
+
+// Temporary matcher until NotImplementedException is removed.
 /** A matcher for NotImplementedExceptions. */
-const isNotImplementedException = const _NotImplementedException();
+const isNotImplementedException = isUnimplementedError;
 
 /** A matcher for functions that throw Exception. */
 const Matcher throwsNotImplementedException =
-    const Throws(isNotImplementedException);
+    const Throws(isUnimplementedError);
 
-class _NotImplementedException extends TypeMatcher {
-  const _NotImplementedException() : super("NotImplementedException");
-  bool matches(item, MatchState matchState) => item is NotImplementedException;
-}
 
 /** A matcher for NullPointerExceptions. */
 const isNullPointerException = const _NullPointerException();
 
 /** A matcher for functions that throw NotNullPointerException. */
 const Matcher throwsNullPointerException =
     const Throws(isNullPointerException);
 
 class _NullPointerException extends TypeMatcher {
   const _NullPointerException() : super("NullPointerException");
@@ skipping 188 matching lines @@
       description.add(_featureDescription).add(' ').addDescriptionOf(_matcher);
 
   Description describeMismatch(item, Description mismatchDescription,
                                MatchState matchState, bool verbose) {
     mismatchDescription.add(_featureName).add(' ');
     _matcher.describeMismatch(matchState.state['feature'], mismatchDescription,
         matchState.state['innerState'], verbose);
     return mismatchDescription;
   }
 }