testing/gtest_mac.mm

   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 <string>
   8
   9 #include <gtest/internal/gtest-port.h>
  10 #include <gtest/internal/gtest-string.h>
  11 #include <gtest/gtest.h>
  12
  13 #ifdef GTEST_OS_MAC
  14
  15 #import <Foundation/Foundation.h>
  16
  17 namespace testing {
  18 namespace internal {
  19
  20 // This overloaded version allows comparison between ObjC objects that conform
  21 // to the NSObject protocol. Used to implement {ASSERT|EXPECT}_EQ().
  22 GTEST_API_ AssertionResult CmpHelperNSEQ(const char* expected_expression,
  23                                          const char* actual_expression,
  24                                          id<NSObject> expected,
  25                                          id<NSObject> actual) {
  26   if (expected == actual || [expected isEqual:actual]) {
  27     return AssertionSuccess();
  28   }
  29   return EqFailure(expected_expression,
  30                    actual_expression,
  31                    std::string([[expected description] UTF8String]),
  32                    std::string([[actual description] UTF8String]),
  33                    false);
  34 }
  35
  36 // This overloaded version allows comparison between ObjC objects that conform
  37 // to the NSObject protocol. Used to implement {ASSERT|EXPECT}_NE().
  38 GTEST_API_ AssertionResult CmpHelperNSNE(const char* expected_expression,
  39                                          const char* actual_expression,
  40                                          id<NSObject> expected,
  41                                          id<NSObject> actual) {
  42   if (expected != actual && ![expected isEqual:actual]) {
  43     return AssertionSuccess();
  44   }
  45   Message msg;
  46   msg << "Expected: (" << expected_expression << ") != (" << actual_expression
  47       << "), actual: " << std::string([[expected description] UTF8String])
  48       << " vs " << std::string([[actual description] UTF8String]);
  49   return AssertionFailure(msg);
  50 }
  51
  52 }  // namespace internal
  53 }  // namespace testing
  54
  55 #endif  // GTEST_OS_MAC