test.qh

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#pragma once
 
// public:

#define TEST(suite, test) \
    void _TEST_##suite##_##test(); \
    ACCUMULATE int TEST_RunAll_accumulated(int f) { \
        if (!TEST_Run(#suite "_" #test)) ++f; \
        return = f; \
    } \
    void _TEST_##suite##_##test()

#define SUCCEED() (TEST_ok = true)

#define ADD_FAILURE(msg) MACRO_BEGIN \
    ++TEST_failed; \
    LOG_WARN(msg); \
MACRO_END

#define FAIL(msg) _TEST_ASSERT(ADD_FAILURE(msg))
 
#define HasFatalFailure() (TEST_fatal > 0)
 
bool RUN_ALL_TESTS();
 
// difference between expect/assert: assert returns early
 
#define EXPECT_EQ(expected_, actual_) MACRO_BEGIN \
    int expected = expected_; \
    int actual = actual_; \
    if ((expected) != (actual)) { \
        ADD_FAILURE(sprintf( \
            "Value of: " #actual_ "\n" \
            "  Actual: %d\n" \
            "Expected: %d\n", \
            actual, expected \
        )); \
    } \
MACRO_END
#define ASSERT_EQ(expected, actual) _TEST_ASSERT(EXPECT_EQ(expected, actual))
 
#define EXPECT_TRUE(condition) EXPECT_EQ(true, condition)
#define ASSERT_TRUE(condition) ASSERT_EQ(true, condition)
 
#define EXPECT_FALSE(condition) EXPECT_EQ(false, condition)
#define ASSERT_FALSE(condition) ASSERT_EQ(false, condition)
 
#define EXPECT_NE(val1, val2) EXPECT_TRUE((val1) != (val2))
#define ASSERT_NE(val1, val2) _TEST_ASSERT(EXPECT_NE(val1, val2))
 
#define EXPECT_LT(val1, val2) EXPECT_TRUE((val1) < (val2))
#define ASSERT_LT(val1, val2) _TEST_ASSERT(EXPECT_LT(val1, val2))
 
#define EXPECT_LE(val1, val2) EXPECT_TRUE((val1) <= (val2))
#define ASSERT_LE(val1, val2) _TEST_ASSERT(EXPECT_LE(val1, val2))
 
#define EXPECT_GT(val1, val2) EXPECT_TRUE((val1) > (val2))
#define ASSERT_GT(val1, val2) _TEST_ASSERT(EXPECT_GT(val1, val2))
 
#define EXPECT_GE(val1, val2) EXPECT_TRUE((val1) >= (val2))
#define ASSERT_GE(val1, val2) _TEST_ASSERT(EXPECT_GE(val1, val2))
 
#define EXPECT_NO_FATAL_FAILURE(statement) EXPECT_NO_FATAL_FAILURE_(statement, { })
#define ASSERT_NO_FATAL_FAILURE(statement) EXPECT_NO_FATAL_FAILURE_(statement, { ++TEST_fatal; return; })
 
// private:
 
bool TEST_Run(string test);
int TEST_fatal;
bool TEST_ok;
int TEST_failed;
 
#define _TEST_ASSERT(statement) \
    MACRO_BEGIN \
        LAMBDA(statement); \
        ++TEST_fatal; return; \
    MACRO_END
 
#define EXPECT_NO_FATAL_FAILURE__(statement, then) \
    MACRO_BEGIN \
        int TEST_prevfatal = TEST_fatal; \
        LAMBDA(statement); \
        if (TEST_fatal != TEST_prevfatal) \
            LAMBDA(then); \
    MACRO_END
 
#define EXPECT_NO_FATAL_FAILURE_(statement, then) \
    EXPECT_NO_FATAL_FAILURE__(statement, { \
        LOG_WARNF( \
            "  Actual: %d fatal failures\n" \
            "Expected: no fatal failures\n", \
            TEST_fatal - TEST_prevfatal \
        ); \
        LAMBDA(then); \
    })