pkg/unittest: formatter spin

pkg/unittest/lib/src/numeric_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 unittest.matcher;
 
 /**
  * Returns a matcher which matches if the match argument is greater
  * than the given [value].
  */
@@ skipping 181 matching lines @@
 Matcher inClosedOpenRange(low, high) => new _InRange(low, high, true, false);
 
 class _InRange extends Matcher {
   final num _low, _high;
   final bool _lowMatchValue, _highMatchValue;
 
   const _InRange(this._low, this._high,
     this._lowMatchValue, this._highMatchValue);
 
   bool matches(value, Map matchState) {
-    if (value is !num) {
+    if (value is! num) {
       return false;
     }
     if (value < _low || value > _high) {
       return false;
     }
     if (value == _low) {
       return _lowMatchValue;
     }
     if (value == _high) {
       return _highMatchValue;
@@ skipping 12 matching lines @@
       return mismatchDescription.
           addDescriptionOf(item).
           add(' not numeric');
     } else {
       return super.describeMismatch(item, mismatchDescription,
           matchState, verbose);
     }
   }
 }