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101 lines
3.5 KiB
C
101 lines
3.5 KiB
C
// Copyright (c) Epic Games Tools
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// Licensed under the MIT license (https://opensource.org/license/mit/)
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#ifndef BASE_TEST_H
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#define BASE_TEST_H
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typedef enum TestStatus
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{
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TestStatus_Fail,
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TestStatus_Crash,
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TestStatus_Pass,
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TestStatus_Skip,
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TestStatus_COUNT
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}
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TestStatus;
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typedef struct TestResult TestResult;
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struct TestResult
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{
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TestStatus status;
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char *fail_file;
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int fail_line;
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char *fail_cond;
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};
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typedef struct TestCtx TestCtx;
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struct TestCtx
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{
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CmdLine *cmdline;
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String8 exemplars_path;
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String8 artifacts_path;
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String8 input_data_path;
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TestResult *result_out;
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String8List *test_out;
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};
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#define TEST_FUNCTION_SIG(name) void name(Arena *arena, TestCtx *ctx)
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#define TEST_FUNCTION_DEF(name) TEST_FUNCTION_SIG(test__##name)
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typedef TEST_FUNCTION_SIG(TestFunctionType);
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typedef struct TestInfo TestInfo;
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struct TestInfo
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{
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String8 layer;
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String8 label;
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S64 decl_line;
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B32 skip;
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TestFunctionType *test_fn;
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};
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#if BUILD_TESTS
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// alloc storage for the tests
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global U16 test_infos_count = 0;
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global TestInfo test_infos[0xffff] = {0};
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internal String8 test_input_path(Arena *arena, TestCtx *ctx, String8 name);
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internal String8 test_input_exe_path(Arena *arena, TestCtx *ctx, String8 name);
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internal String8 test_exemplar_path(Arena *arena, TestCtx *ctx, String8 name);
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internal void base_register_test(char *func_name, TestFunctionType *fn, char *file_path, int line, int skip);
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#define AddTest(name, file_path, line, skip_, ...) \
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TEST_FUNCTION_DEF(name); \
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__VA_ARGS__ void add_test__##name(void) { base_register_test(Stringify(name), test__##name, file_path, line, skip_); }
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# if COMPILER_MSVC
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# pragma section(".CRT$XCU", read)
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# define DeclareTest(name, skip) \
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/* register test */ AddTest(name, __FILE__, __LINE__, (skip)) \
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/* alloc function pointer */ __declspec(allocate(".CRT$XCU")) void (*add_test_ptr__##name)(void) = add_test__##name; \
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/* do not GC test caller */ __pragma(comment(linker, "/include:" Stringify(add_test_ptr__##name)))
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# elif COMPILER_GCC || COMPILER_CLANG
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// clang and gcc allocate memory for the function pointer automatically
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# define DeclareTest(name, skip) AddTest(name, __FILE__, __LINE__, (skip), __attribute__((constructor)))
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# else
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# error DeclareTest not defined for this compiler.
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# endif
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#else
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# define DeclareTest(name, skip)
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#endif
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#define Test(name) DeclareTest(name, 0) TEST_FUNCTION_DEF(name)
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#define SkippedTest(name) DeclareTest(name, 1) TEST_FUNCTION_DEF(name)
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#define TestCheck(c) do { if (!(c)) { \
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/* record failed check */ ctx->result_out[0] = (TestResult){ .fail_file = __FILE__, .fail_line = __LINE__, .fail_cond = Stringify(c) }; \
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/* under debugger? -> trap */ if(debugger_is_attached()) { Trap(); } \
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/* exit test */ return; \
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} } while(0)
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#define TestSkip() do { \
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ctx->result_out[0] = (TestResult){ .status = TestStatus_Skip }; \
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return; \
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} while(0)
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// test log
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#define test_out(string) str8_list_push(arena, ctx->test_out, (string))
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#define test_outf(...) str8_list_pushf(arena, ctx->test_out, __VA_ARGS__)
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#endif // BASE_TEST_H
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