Add matchers for some more recent error types.

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 iterables
  * (including collections).
  */
@@ skipping 598 matching lines @@
 
 /** A matcher for functions that throw StateError. */
 const Matcher throwsStateError =
     const Throws(isStateError);
 
 class _StateError extends TypeMatcher {
   const _StateError() : super("StateError");
   bool matches(item, Map matchState) => item is StateError;
 }
 
+/** A matcher for FallThroughError. */
+const isFallThroughError = const _FallThroughError();
+
+/** A matcher for functions that throw FallThroughError. */
+const Matcher throwsFallThroughError =
+    const Throws(isFallThroughError);
+
+class _FallThroughError extends TypeMatcher {
+  const _FallThroughError() : super("FallThroughError");
+  bool matches(item, Map matchState) => item is FallThroughError;
+}
+
+/** A matcher for NullThrownError. */
+const isNullThrownError = const _NullThrownError();
+
+/** A matcher for functions that throw NullThrownError. */
+const Matcher throwsNullThrownError =
+    const Throws(isNullThrownError);
+
+class _NullThrownError extends TypeMatcher {
+  const _NullThrownError() : super("NullThrownError");
+  bool matches(item, Map matchState) => item is NullThrownError;
+}
+
+/** A matcher for ConcurrentModificationError. */
+const isConcurrentModificationError = const _ConcurrentModificationError();
+
+/** A matcher for functions that throw ConcurrentModificationError. */
+const Matcher throwsConcurrentModificationError =
+    const Throws(isConcurrentModificationError);
+
+class _ConcurrentModificationError extends TypeMatcher {
+  const _ConcurrentModificationError() : super("ConcurrentModificationError");
+  bool matches(item, Map matchState) => item is ConcurrentModificationError;
+}
+
+/** A matcher for AbstractClassInstantiationError. */
+const isAbstractClassInstantiationError =
+    const _AbstractClassInstantiationError();
+
+/** A matcher for functions that throw AbstractClassInstantiationError. */
+const Matcher throwsAbstractClassInstantiationError =
+    const Throws(isAbstractClassInstantiationError);
+
+class _AbstractClassInstantiationError extends TypeMatcher {
+  const _AbstractClassInstantiationError() :
+  super("AbstractClassInstantiationError");
+  bool matches(item, Map matchState) => item is AbstractClassInstantiationError;
+}
+
+/** A matcher for CyclicInitializationError. */
+const isCyclicInitializationError = const _CyclicInitializationError();
+
+/** A matcher for functions that throw CyclicInitializationError. */
+const Matcher throwsCyclicInitializationError =
+    const Throws(isCyclicInitializationError);
+
+class _CyclicInitializationError extends TypeMatcher {
+  const _CyclicInitializationError() : super("CyclicInitializationError");
+  bool matches(item, Map matchState) => item is CyclicInitializationError;
+}
 
 /** A matcher for Map types. */
 const isMap = const _IsMap();
 
 class _IsMap extends TypeMatcher {
   const _IsMap() : super("Map");
   bool matches(item, Map matchState) => item is Map;
 }
 
 /** A matcher for List types. */
@@ skipping 194 matching lines @@
     var innerDescription = new StringDescription();
     _matcher.describeMismatch(matchState['feature'], innerDescription,
         matchState['state'], verbose);
     if (innerDescription.length > 0) {
       mismatchDescription.add(' which ').add(innerDescription.toString());
     }
     return mismatchDescription;
   }
 }