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#ifndef TEST_H
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#define TEST_H
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#include <cstdio> // fprintf
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#include <iostream> // cerr
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#define GET_2TH_ARG(arg1, arg2, ...) arg2
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#define GET_3TH_ARG(arg1, arg2, arg3, ...) arg3
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#define GET_4TH_ARG(arg1, arg2, arg3, arg4, ...) arg4
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#define MACRO_CHOOSER_1(macro, ...) \
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GET_2TH_ARG(__VA_ARGS__, macro##_1, )
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#define MACRO_CHOOSER_2(macro, ...) \
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GET_3TH_ARG(__VA_ARGS__, macro##_2, macro##_1, )
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#define MACRO_CHOOSER_3(macro, ...) \
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GET_4TH_ARG(__VA_ARGS__, macro##_3, macro##_2, macro##_1, )
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// -----------------------------------------
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#define EXPECT_IMPL(x, result) \
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if (!(x)) { \
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fprintf(stderr, " \033[31;1mFAIL:\033[0m %s:%d: EXPECT(%s) failed\n", \
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__FILE__, __LINE__, #x); \
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test::TestSuite::the().currentTestCaseFailed(); \
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result; \
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}
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#define EXPECT_1(x) \
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EXPECT_IMPL(x, (void)0)
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#define EXPECT_2(x, result) \
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EXPECT_IMPL(x, result)
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#define EXPECT(...) \
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MACRO_CHOOSER_2(EXPECT, __VA_ARGS__) \
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(__VA_ARGS__)
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// -----------------------------------------
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#define EXPECT_EQ_IMPL(a, b, result) \
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if (a != b) { \
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std::cerr << " \033[31;1mFAIL:\033[0m " << __FILE__ << ":" << __LINE__ \
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<< ": EXPECT_EQ(" << #a << ", " << #b ") failed with" \
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<< " lhs='" << a << "' and rhs='" << b << "'" << std::endl; \
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test::TestSuite::the().currentTestCaseFailed(); \
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result; \
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}
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#define EXPECT_EQ_2(a, b) \
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EXPECT_EQ_IMPL(a, b, (void)0)
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#define EXPECT_EQ_3(a, b, result) \
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EXPECT_EQ_IMPL(a, b, result)
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#define EXPECT_EQ(...) \
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MACRO_CHOOSER_3(EXPECT_EQ, __VA_ARGS__) \
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(__VA_ARGS__)
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// -----------------------------------------
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#define EXPECT_NE_IMPL(a, b, result) \
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if (a == b) { \
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std::cerr << " \033[31;1mFAIL:\033[0m " << __FILE__ << ":" << __LINE__ \
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<< ": EXPECT_NE(" << #a << ", " << #b ") failed with" \
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<< " lhs='" << a << "' and rhs='" << b << "'" << std::endl; \
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test::TestSuite::the().currentTestCaseFailed(); \
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result; \
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}
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#define EXPECT_NE_2(a, b) \
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EXPECT_NE_IMPL(a, b, (void)0)
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#define EXPECT_NE_3(a, b, result) \
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EXPECT_NE_IMPL(a, b, result)
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#define EXPECT_NE(...) \
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MACRO_CHOOSER_3(EXPECT_NE, __VA_ARGS__) \
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(__VA_ARGS__)
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#endif // TEST_H
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