Support for better integration between OCMock and gtest.

third_party/ocmock/gtest_support.mm

+// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "third_party/ocmock/gtest_support.h"
+
+#import <Foundation/Foundation.h>
+
+#import "third_party/ocmock/OCMock/OCMock.h"
+
+// When C++ exceptions are disabled, the C++ library defines |try| and
+// |catch| so as to allow exception-expecting C++ code to build properly when
+// language support for exceptions is not present.  These macros interfere
+// with the use of |@try| and |@catch| in Objective-C files such as this one.
+// Undefine these macros here, after everything has been #included, since
+// there will be no C++ uses and only Objective-C uses from this point on.
+#undef try
+#undef catch
+
+namespace testing {
+namespace internal {
+
+bool VerifyOCMock(OCMockObject* mock, const char* file, int line) {
+  bool result = true;
+  @try {
+    [mock verify];
+  } @catch (NSException* e) {
+    result = false;
+    ADD_FAILURE_AT(file, line) << "OCMock validation failed: "
+                               << [[e description] UTF8String];
+  }
+  return result;
+}
+
+}  // namespace internal
+}  // namespace testing