1#include "test_assert.h"
2
3#include <assert.h>
4
5#ifdef _MSC_VER
6# include <crtdbg.h>
7# include <windows.h>
8#endif
9
10int testing_fails = 0;
11static TestFailEventListener fail_listener_ = nullptr;
12
13void TestFail(const char *expval, const char *val, const char *exp,
14 const char *file, int line, const char *func) {
15 TEST_OUTPUT_LINE("EXPECTED: \"%s\"", expval);
16 TEST_OUTPUT_LINE("VALUE: \"%s\"", val);
17 TEST_OUTPUT_LINE("TEST FAILED: %s:%d, %s in %s", file, line, exp,
18 func ? func : "");
19 testing_fails++;
20
21 // Notify, emulate 'gtest::OnTestPartResult' event handler.
22 if (fail_listener_) (*fail_listener_)(expval, val, exp, file, line, func);
23
24 assert(0); // ignored in Release if NDEBUG defined
25}
26
27void TestEqStr(const char *expval, const char *val, const char *exp,
28 const char *file, int line, const char *func) {
29 if (strcmp(expval, val) != 0) {
30 TestFail(expval, val, exp, file, line, func);
31 }
32}
33
34#if defined(FLATBUFFERS_MEMORY_LEAK_TRACKING) && defined(_MSC_VER) && \
35 defined(_DEBUG)
36# define FLATBUFFERS_MEMORY_LEAK_TRACKING_MSVC
37#endif
38
39void InitTestEngine(TestFailEventListener listener) {
40 testing_fails = 0;
41 // Disable stdout buffering to prevent information lost on assertion or core
42 // dump.
43 setvbuf(stdout, nullptr, _IONBF, 0);
44 setvbuf(stderr, nullptr, _IONBF, 0);
45
46 // clang-format off
47
48 #if defined(FLATBUFFERS_MEMORY_LEAK_TRACKING_MSVC)
49 // For more thorough checking:
50 // _CRTDBG_DELAY_FREE_MEM_DF | _CRTDBG_CHECK_ALWAYS_DF
51 auto flags = _CrtSetDbgFlag(_CRTDBG_REPORT_FLAG);
52 _CrtSetDbgFlag(flags | _CRTDBG_ALLOC_MEM_DF);
53 #endif
54 // clang-format on
55
56 fail_listener_ = listener;
57}
58
59int CloseTestEngine(bool force_report) {
60 if (!testing_fails || force_report) {
61#if defined(FLATBUFFERS_MEMORY_LEAK_TRACKING_MSVC)
62 auto flags = _CrtSetDbgFlag(_CRTDBG_REPORT_FLAG);
63 flags &= ~_CRTDBG_DELAY_FREE_MEM_DF;
64 flags |= _CRTDBG_LEAK_CHECK_DF;
65 _CrtSetDbgFlag(flags);
66#endif
67 }
68 return (0 != testing_fails);
69}
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