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  1. // Copyright 2007, Google Inc.
  2. // All rights reserved.
  3. //
  4. // Redistribution and use in source and binary forms, with or without
  5. // modification, are permitted provided that the following conditions are
  6. // met:
  7. //
  8. //     * Redistributions of source code must retain the above copyright
  9. // notice, this list of conditions and the following disclaimer.
  10. //     * Redistributions in binary form must reproduce the above
  11. // copyright notice, this list of conditions and the following disclaimer
  12. // in the documentation and/or other materials provided with the
  13. // distribution.
  14. //     * Neither the name of Google Inc. nor the names of its
  15. // contributors may be used to endorse or promote products derived from
  16. // this software without specific prior written permission.
  17. //
  18. // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  19. // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  20. // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  21. // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  22. // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  23. // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  24. // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  25. // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  26. // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  27. // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  28. // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  29.  
  30.  
  31. // Google Mock - a framework for writing C++ mock classes.
  32. //
  33. // This file tests the internal utilities.
  34.  
  35. #include "gmock/internal/gmock-generated-internal-utils.h"
  36. #include "gmock/internal/gmock-internal-utils.h"
  37. #include "gtest/gtest.h"
  38.  
  39. namespace {
  40.  
  41. using ::testing::tuple;
  42. using ::testing::Matcher;
  43. using ::testing::internal::CompileAssertTypesEqual;
  44. using ::testing::internal::MatcherTuple;
  45. using ::testing::internal::Function;
  46. using ::testing::internal::IgnoredValue;
  47.  
  48. // Tests the MatcherTuple template struct.
  49.  
  50. TEST(MatcherTupleTest, ForSize0) {
  51.   CompileAssertTypesEqual<tuple<>, MatcherTuple<tuple<> >::type>();
  52. }
  53.  
  54. TEST(MatcherTupleTest, ForSize1) {
  55.   CompileAssertTypesEqual<tuple<Matcher<int> >,
  56.                           MatcherTuple<tuple<int> >::type>();
  57. }
  58.  
  59. TEST(MatcherTupleTest, ForSize2) {
  60.   CompileAssertTypesEqual<tuple<Matcher<int>, Matcher<char> >,
  61.                           MatcherTuple<tuple<int, char> >::type>();
  62. }
  63.  
  64. TEST(MatcherTupleTest, ForSize5) {
  65.   CompileAssertTypesEqual<
  66.       tuple<Matcher<int>, Matcher<char>, Matcher<bool>, Matcher<double>,
  67.             Matcher<char*> >,
  68.       MatcherTuple<tuple<int, char, bool, double, char*> >::type>();
  69. }
  70.  
  71. // Tests the Function template struct.
  72.  
  73. TEST(FunctionTest, Nullary) {
  74.   typedef Function<int()> F;  // NOLINT
  75.   CompileAssertTypesEqual<int, F::Result>();
  76.   CompileAssertTypesEqual<tuple<>, F::ArgumentTuple>();
  77.   CompileAssertTypesEqual<tuple<>, F::ArgumentMatcherTuple>();
  78.   CompileAssertTypesEqual<void(), F::MakeResultVoid>();
  79.   CompileAssertTypesEqual<IgnoredValue(), F::MakeResultIgnoredValue>();
  80. }
  81.  
  82. TEST(FunctionTest, Unary) {
  83.   typedef Function<int(bool)> F;  // NOLINT
  84.   CompileAssertTypesEqual<int, F::Result>();
  85.   CompileAssertTypesEqual<bool, F::Argument1>();
  86.   CompileAssertTypesEqual<tuple<bool>, F::ArgumentTuple>();
  87.   CompileAssertTypesEqual<tuple<Matcher<bool> >, F::ArgumentMatcherTuple>();
  88.   CompileAssertTypesEqual<void(bool), F::MakeResultVoid>();  // NOLINT
  89.   CompileAssertTypesEqual<IgnoredValue(bool),  // NOLINT
  90.       F::MakeResultIgnoredValue>();
  91. }
  92.  
  93. TEST(FunctionTest, Binary) {
  94.   typedef Function<int(bool, const long&)> F;  // NOLINT
  95.   CompileAssertTypesEqual<int, F::Result>();
  96.   CompileAssertTypesEqual<bool, F::Argument1>();
  97.   CompileAssertTypesEqual<const long&, F::Argument2>();  // NOLINT
  98.   CompileAssertTypesEqual<tuple<bool, const long&>, F::ArgumentTuple>();  // NOLINT
  99.   CompileAssertTypesEqual<
  100.       tuple<Matcher<bool>, Matcher<const long&> >,  // NOLINT
  101.       F::ArgumentMatcherTuple>();
  102.   CompileAssertTypesEqual<void(bool, const long&), F::MakeResultVoid>();  // NOLINT
  103.   CompileAssertTypesEqual<IgnoredValue(bool, const long&),  // NOLINT
  104.       F::MakeResultIgnoredValue>();
  105. }
  106.  
  107. TEST(FunctionTest, LongArgumentList) {
  108.   typedef Function<char(bool, int, char*, int&, const long&)> F;  // NOLINT
  109.   CompileAssertTypesEqual<char, F::Result>();
  110.   CompileAssertTypesEqual<bool, F::Argument1>();
  111.   CompileAssertTypesEqual<int, F::Argument2>();
  112.   CompileAssertTypesEqual<char*, F::Argument3>();
  113.   CompileAssertTypesEqual<int&, F::Argument4>();
  114.   CompileAssertTypesEqual<const long&, F::Argument5>();  // NOLINT
  115.   CompileAssertTypesEqual<tuple<bool, int, char*, int&, const long&>,  // NOLINT
  116.                           F::ArgumentTuple>();
  117.   CompileAssertTypesEqual<
  118.       tuple<Matcher<bool>, Matcher<int>, Matcher<char*>, Matcher<int&>,
  119.             Matcher<const long&> >,  // NOLINT
  120.       F::ArgumentMatcherTuple>();
  121.   CompileAssertTypesEqual<void(bool, int, char*, int&, const long&),  // NOLINT
  122.                           F::MakeResultVoid>();
  123.   CompileAssertTypesEqual<
  124.       IgnoredValue(bool, int, char*, int&, const long&),  // NOLINT
  125.       F::MakeResultIgnoredValue>();
  126. }
  127.  
  128. }  // Unnamed namespace
  129.