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(!IsConstTrue(true)) 17 #endif 18 19 #define TEST_EQ(exp, val) TestEq(exp, val, "'" #exp "' != '" #val "'", __FILE__, __LINE__, "") 20 #define TEST_ASSERT(val) TestEq(true, !!(val), "'" "true" "' != '" #val "'", __FILE__, __LINE__, "") 21 #define TEST_NOTNULL(val) TestEq(true, (val) != nullptr, "'" "nullptr" "' == '" #val "'", __FILE__, __LINE__, "") 22 #define TEST_EQ_STR(exp, val) TestEqStr(exp, val, "'" #exp "' != '" #val "'", __FILE__, __LINE__, "") 23 24 #ifdef _WIN32 25 #define TEST_ASSERT_FUNC(val) TestEq(true, !!(val), "'" "true" "' != '" #val "'", __FILE__, __LINE__, __FUNCTION__) 26 #define TEST_EQ_FUNC(exp, val) TestEq(exp, val, "'" #exp "' != '" #val "'", __FILE__, __LINE__, __FUNCTION__) 27 #else 28 #define TEST_ASSERT_FUNC(val) TestEq(true, !!(val), "'" "true" "' != '" #val "'", __FILE__, __LINE__, __PRETTY_FUNCTION__) 29 #define TEST_EQ_FUNC(exp, val) TestEq(exp, val, "'" #exp "' != '" #val "'", __FILE__, __LINE__, __PRETTY_FUNCTION__) 30 #endif 31 32 // clang-format on 33 34 extern int testing_fails; 35 36 // Listener of TestFail, like 'gtest::OnTestPartResult' event handler. 37 // Called in TestFail after a failed assertion. 38 typedef bool (*TestFailEventListener)(const char *expval, const char *val, 39 const char *exp, const char *file, 40 int line, const char *func); 41 42 // Prepare test engine (MSVC assertion setup, etc). 43 // listener - this function will be notified on each TestFail call. 44 void InitTestEngine(TestFailEventListener listener = nullptr); 45 46 // Release all test-engine resources. 47 // Prints or schedule a debug report if all test passed. 48 // Returns 0 if all tests passed or 1 otherwise. 49 // Memory leak report: FLATBUFFERS_MEMORY_LEAK_TRACKING && _MSC_VER && _DEBUG. 50 int CloseTestEngine(bool force_report = false); 51 52 // Write captured state to a log and terminate test run. 53 void TestFail(const char *expval, const char *val, const char *exp, 54 const char *file, int line, const char *func = 0); 55 56 void TestEqStr(const char *expval, const char *val, const char *exp, 57 const char *file, int line, const char *func = 0); 58 59 // Workaround for `enum class` printing. 60 // There is an issue with the printing of enums with a fixed underlying type. 61 // These enums are generated by `flatc` if `--scoped-enums` is active. 62 // All modern compilers have problems with `std::stringstream&<<(T v)` if T is 63 // an enum with fixed type. For details see DR1601: 64 // http://www.open-std.org/jtc1/sc22/wg21/docs/cwg_defects.html#1601 65 // https://stackoverflow.com/questions/34336024/ambiguous-overload-when-writing-an-enum-with-an-enum-base-but-only-with-clang 66 67 template<typename T, bool is_enum_type = flatbuffers::is_enum<T>::value> 68 struct underlying_of_scalar { 69 static_assert(flatbuffers::is_scalar<T>::value, "invalid type T"); 70 typedef T type; 71 }; 72 73 template<typename T> struct underlying_of_scalar<T, true> { 74 // clang-format off 75 // There are old compilers without full C++11 support (see stl_emulation.h). 76 #if defined(FLATBUFFERS_TEMPLATES_ALIASES) && !defined(FLATBUFFERS_CPP98_STL) 77 using type = typename std::underlying_type<T>::type; 78 #else 79 typedef int64_t type; 80 #endif 81 // clang-format on 82 }; 83 84 template<typename T> 85 typename underlying_of_scalar<T>::type scalar_as_underlying(T v) { 86 return static_cast<typename underlying_of_scalar<T>::type>(v); 87 } 88 89 template<typename T, typename U> 90 void TestEq(T expval, U val, const char *exp, const char *file, int line, 91 const char *func) { 92 if (static_cast<U>(expval) != val) { 93 TestFail(flatbuffers::NumToString(scalar_as_underlying(expval)).c_str(), 94 flatbuffers::NumToString(scalar_as_underlying(val)).c_str(), exp, 95 file, line, func); 96 } 97 } 98 99 template<> 100 inline void TestEq<std::string, std::string>(std::string expval, 101 std::string val, const char *exp, 102 const char *file, int line, 103 const char *func) { 104 if (expval != val) { 105 TestFail(expval.c_str(), val.c_str(), exp, file, line, func); 106 } 107 } 108 109 #endif // !TEST_ASSERT_H 110