1 #ifndef TEST_ASSERT_H 2 #define TEST_ASSERT_H 3 4 #include "flatbuffers/base.h" 5 #include "flatbuffers/util.h" 6 7 // clang-format off 8 9 #ifdef __ANDROID__ 10 #include <android/log.h> 11 #define TEST_OUTPUT_LINE(...) \ 12 __android_log_print(ANDROID_LOG_INFO, "FlatBuffers", __VA_ARGS__) 13 #define FLATBUFFERS_NO_FILE_TESTS 14 #else 15 #define TEST_OUTPUT_LINE(...) \ 16 do { printf(__VA_ARGS__); printf("\n"); } while(!flatbuffers::IsConstTrue(true)) 17 #endif 18 19 #define TEST_EQ(exp, val) TestEq(exp, val, "'" #exp "' != '" #val "'", __FILE__, __LINE__, "") 20 #define TEST_NE(exp, val) TestNe(exp, val, "'" #exp "' == '" #val "'", __FILE__, __LINE__, "") 21 #define TEST_ASSERT(val) TestEq(true, !!(val), "'" "true" "' != '" #val "'", __FILE__, __LINE__, "") 22 #define TEST_NULL(val) TestEq(true, (val) == nullptr, "'" "nullptr" "' != '" #val "'", __FILE__, __LINE__, "") 23 #define TEST_NOTNULL(val) TestEq(true, (val) != nullptr, "'" "nullptr" "' == '" #val "'", __FILE__, __LINE__, "") 24 #define TEST_EQ_STR(exp, val) TestEqStr(exp, val, "'" #exp "' != '" #val "'", __FILE__, __LINE__, "") 25 26 #ifdef _WIN32 27 #define TEST_ASSERT_FUNC(val) TestEq(true, !!(val), "'" "true" "' != '" #val "'", __FILE__, __LINE__, __FUNCTION__) 28 #define TEST_EQ_FUNC(exp, val) TestEq(exp, val, "'" #exp "' != '" #val "'", __FILE__, __LINE__, __FUNCTION__) 29 #else 30 #define TEST_ASSERT_FUNC(val) TestEq(true, !!(val), "'" "true" "' != '" #val "'", __FILE__, __LINE__, __PRETTY_FUNCTION__) 31 #define TEST_EQ_FUNC(exp, val) TestEq(exp, val, "'" #exp "' != '" #val "'", __FILE__, __LINE__, __PRETTY_FUNCTION__) 32 #endif 33 34 // clang-format on 35 36 extern int testing_fails; 37 38 // Listener of TestFail, like 'gtest::OnTestPartResult' event handler. 39 // Called in TestFail after a failed assertion. 40 typedef bool (*TestFailEventListener)(const char *expval, const char *val, 41 const char *exp, const char *file, 42 int line, const char *func); 43 44 // Prepare test engine (MSVC assertion setup, etc). 45 // listener - this function will be notified on each TestFail call. 46 void InitTestEngine(TestFailEventListener listener = nullptr); 47 48 // Release all test-engine resources. 49 // Prints or schedule a debug report if all test passed. 50 // Returns 0 if all tests passed or 1 otherwise. 51 // Memory leak report: FLATBUFFERS_MEMORY_LEAK_TRACKING && _MSC_VER && _DEBUG. 52 int CloseTestEngine(bool force_report = false); 53 54 // Write captured state to a log and terminate test run. 55 void TestFail(const char *expval, const char *val, const char *exp, 56 const char *file, int line, const char *func = nullptr); 57 58 void TestEqStr(const char *expval, const char *val, const char *exp, 59 const char *file, int line, const char *func = nullptr); 60 61 // Workaround for `enum class` printing. 62 // There is an issue with the printing of enums with a fixed underlying type. 63 // These enums are generated by `flatc` if `--scoped-enums` is active. 64 // All modern compilers have problems with `std::stringstream&<<(T v)` if T is 65 // an enum with fixed type. For details see DR1601: 66 // http://www.open-std.org/jtc1/sc22/wg21/docs/cwg_defects.html#1601 67 // https://stackoverflow.com/questions/34336024/ambiguous-overload-when-writing-an-enum-with-an-enum-base-but-only-with-clang 68 69 template<typename T, bool is_enum_type = flatbuffers::is_enum<T>::value> 70 struct underlying_of_scalar { 71 static_assert(flatbuffers::is_scalar<T>::value, "invalid type T"); 72 typedef T type; 73 }; 74 75 template<typename T> struct underlying_of_scalar<T, true> { 76 // clang-format off 77 // There are old compilers without full C++11 support (see stl_emulation.h). 78 #if defined(FLATBUFFERS_TEMPLATES_ALIASES) 79 using type = typename std::underlying_type<T>::type; 80 #else 81 typedef int64_t type; 82 #endif 83 // clang-format on 84 }; 85 86 template<typename T> 87 typename underlying_of_scalar<T>::type scalar_as_underlying(T v) { 88 return static_cast<typename underlying_of_scalar<T>::type>(v); 89 } 90 91 template<typename T, typename U> 92 void TestEq(T expval, U val, const char *exp, const char *file, int line, 93 const char *func) { 94 if (static_cast<U>(expval) != val) { 95 TestFail(flatbuffers::NumToString(scalar_as_underlying(expval)).c_str(), 96 flatbuffers::NumToString(scalar_as_underlying(val)).c_str(), exp, 97 file, line, func); 98 } 99 } 100 101 template<> 102 inline void TestEq<std::string, std::string>(std::string expval, 103 std::string val, const char *exp, 104 const char *file, int line, 105 const char *func) { 106 if (expval != val) { 107 TestFail(expval.c_str(), val.c_str(), exp, file, line, func); 108 } 109 } 110 111 template<typename T, typename U> 112 void TestNe(T expval, U val, const char *exp, const char *file, int line, 113 const char *func) { 114 if (static_cast<U>(expval) == val) { 115 TestFail(flatbuffers::NumToString(scalar_as_underlying(expval)).c_str(), 116 flatbuffers::NumToString(scalar_as_underlying(val)).c_str(), exp, 117 file, line, func); 118 } 119 } 120 121 template<> 122 inline void TestNe<std::string, std::string>(std::string expval, 123 std::string val, const char *exp, 124 const char *file, int line, 125 const char *func) { 126 if (expval == val) { 127 TestFail(expval.c_str(), val.c_str(), exp, file, line, func); 128 } 129 } 130 131 #endif // !TEST_ASSERT_H 132