Clean up operator names.

dart/tests/language/operator_negate_and_method_negate_test.dart

Index: dart/tests/language/operator_negate_and_method_negate_test.dart
diff --git a/dart/tests/language/operator_negate_and_method_negate_test.dart b/dart/tests/language/operator_negate_and_method_negate_test.dart
new file mode 100644
index 0000000000000000000000000000000000000000..83a19e42c5b55803ba8722de8059363948b135b4
--- /dev/null
+++ b/dart/tests/language/operator_negate_and_method_negate_test.dart
@@ -0,0 +1,16 @@
+// 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.
+
+// This checks that it is possible to have a method named negate as
+// well as unary- operator.
+
+class Foo {
+  operator-() => 42;
+  negate() => 87;
+}
+
+main() {
+  Expect.equals(42, -new Foo());
+  Expect.equals(87, new Foo().negate());
+}