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      1 // Copyright (c) 2010 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #import "gtest_mac.h"
      6 
      7 #include <gtest/internal/gtest-port.h>
      8 #include <gtest/internal/gtest-string.h>
      9 #include <gtest/gtest.h>
     10 
     11 #ifdef GTEST_OS_MAC
     12 
     13 #import <Foundation/Foundation.h>
     14 
     15 namespace testing {
     16 namespace internal {
     17 
     18 // This overloaded version allows comparison between ObjC objects that conform
     19 // to the NSObject protocol. Used to implement {ASSERT|EXPECT}_EQ().
     20 GTEST_API_ AssertionResult CmpHelperNSEQ(const char* expected_expression,
     21                                          const char* actual_expression,
     22                                          id<NSObject> expected,
     23                                          id<NSObject> actual) {
     24   if (expected == actual || [expected isEqual:actual]) {
     25     return AssertionSuccess();
     26   }
     27   return EqFailure(expected_expression,
     28                    actual_expression,
     29                    String([[expected description] UTF8String]),
     30                    String([[actual description] UTF8String]),
     31                    false);
     32 }
     33 
     34 // This overloaded version allows comparison between ObjC objects that conform
     35 // to the NSObject protocol. Used to implement {ASSERT|EXPECT}_NE().
     36 GTEST_API_ AssertionResult CmpHelperNSNE(const char* expected_expression,
     37                                          const char* actual_expression,
     38                                          id<NSObject> expected,
     39                                          id<NSObject> actual) {
     40   if (expected != actual && ![expected isEqual:actual]) {
     41     return AssertionSuccess();
     42   }
     43   Message msg;
     44   msg << "Expected: (" << expected_expression << ") != (" << actual_expression
     45       << "), actual: " << String([[expected description] UTF8String])
     46       << " vs " << String([[actual description] UTF8String]);
     47   return AssertionFailure(msg);
     48 }
     49 
     50 }  // namespace internal
     51 }  // namespace testing
     52 
     53 #endif  // GTEST_OS_MAC
     54