tests/unit/util: refactor to test in both C and C++ language environments
Move all the tests into an include file that is included once from the main C-compiled module, and again from a linked in C++-compiled module. The C compile invokes both test suites. Signed-off-by: Peter Bigot <peter.bigot@nordicsemi.no>
This commit is contained in:
Peter Bigot
Maureen Helm
parent
235a5c1771
commit
95d32549e7
4 changed files with 438 additions and 398 deletions
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@ -8,405 +8,13 @@
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#include <sys/util.h>
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#include <string.h>
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/**
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* @brief Test of u8_to_dec
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*
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* This test verifies conversion of various input values.
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*
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*/
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static void test_u8_to_dec(void)
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{
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char text[4];
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uint8_t len;
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#include "test.inc"
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len = u8_to_dec(text, sizeof(text), 0);
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zassert_equal(len, 1, "Length of 0 is not 1");
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zassert_equal(strcmp(text, "0"), 0,
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"Value=0 is not converted to \"0\"");
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len = u8_to_dec(text, sizeof(text), 1);
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zassert_equal(len, 1, "Length of 1 is not 1");
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zassert_equal(strcmp(text, "1"), 0,
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"Value=1 is not converted to \"1\"");
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len = u8_to_dec(text, sizeof(text), 11);
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zassert_equal(len, 2, "Length of 11 is not 2");
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zassert_equal(strcmp(text, "11"), 0,
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"Value=10 is not converted to \"11\"");
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len = u8_to_dec(text, sizeof(text), 100);
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zassert_equal(len, 3, "Length of 100 is not 3");
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zassert_equal(strcmp(text, "100"), 0,
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"Value=100 is not converted to \"100\"");
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len = u8_to_dec(text, sizeof(text), 101);
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zassert_equal(len, 3, "Length of 101 is not 3");
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zassert_equal(strcmp(text, "101"), 0,
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"Value=101 is not converted to \"101\"");
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len = u8_to_dec(text, sizeof(text), 255);
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zassert_equal(len, 3, "Length of 255 is not 3");
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zassert_equal(strcmp(text, "255"), 0,
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"Value=255 is not converted to \"255\"");
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memset(text, 0, sizeof(text));
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len = u8_to_dec(text, 2, 123);
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zassert_equal(len, 2,
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"Length of converted value using 2 byte buffer isn't 2");
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zassert_equal(
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strcmp(text, "12"), 0,
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"Value=123 is not converted to \"12\" using 2-byte buffer");
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memset(text, 0, sizeof(text));
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len = u8_to_dec(text, 1, 123);
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zassert_equal(len, 1,
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"Length of converted value using 1 byte buffer isn't 1");
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zassert_equal(
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strcmp(text, "1"), 0,
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"Value=123 is not converted to \"1\" using 1-byte buffer");
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memset(text, 0, sizeof(text));
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len = u8_to_dec(text, 0, 123);
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zassert_equal(len, 0,
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"Length of converted value using 0 byte buffer isn't 0");
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}
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#define TEST_DEFINE_1 1
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#define TEST_DEFINE_0 0
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void test_COND_CODE_1(void)
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{
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/* Test validates that expected code has been injected. Failure would
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* be seen in compilation (lack of variable or ununsed variable.
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*/
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COND_CODE_1(1, (uint32_t x0 = 1;), (uint32_t y0;))
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zassert_true((x0 == 1), NULL);
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COND_CODE_1(NOT_EXISTING_DEFINE, (uint32_t x1 = 1;), (uint32_t y1 = 1;))
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zassert_true((y1 == 1), NULL);
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COND_CODE_1(TEST_DEFINE_1, (uint32_t x2 = 1;), (uint32_t y2 = 1;))
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zassert_true((x2 == 1), NULL);
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COND_CODE_1(2, (uint32_t x3 = 1;), (uint32_t y3 = 1;))
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zassert_true((y3 == 1), NULL);
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}
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void test_COND_CODE_0(void)
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{
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/* Test validates that expected code has been injected. Failure would
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* be seen in compilation (lack of variable or ununsed variable.
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*/
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COND_CODE_0(0, (uint32_t x0 = 1;), (uint32_t y0;))
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zassert_true((x0 == 1), NULL);
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COND_CODE_0(NOT_EXISTING_DEFINE, (uint32_t x1 = 1;), (uint32_t y1 = 1;))
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zassert_true((y1 == 1), NULL);
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COND_CODE_0(TEST_DEFINE_0, (uint32_t x2 = 1;), (uint32_t y2 = 1;))
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zassert_true((x2 == 1), NULL);
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COND_CODE_0(2, (uint32_t x3 = 1;), (uint32_t y3 = 1;))
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zassert_true((y3 == 1), NULL);
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}
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#undef ZERO
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#undef SEVEN
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#undef A_BUILD_ERROR
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#define ZERO 0
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#define SEVEN 7
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#define A_BUILD_ERROR (this would be a build error if you used || or &&)
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void test_UTIL_OR(void)
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{
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zassert_equal(UTIL_OR(SEVEN, A_BUILD_ERROR), 7, NULL);
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zassert_equal(UTIL_OR(7, 0), 7, NULL);
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zassert_equal(UTIL_OR(SEVEN, ZERO), 7, NULL);
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zassert_equal(UTIL_OR(0, 7), 7, NULL);
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zassert_equal(UTIL_OR(ZERO, SEVEN), 7, NULL);
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zassert_equal(UTIL_OR(0, 0), 0, NULL);
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zassert_equal(UTIL_OR(ZERO, ZERO), 0, NULL);
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}
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void test_UTIL_AND(void)
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{
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zassert_equal(UTIL_AND(ZERO, A_BUILD_ERROR), 0, NULL);
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zassert_equal(UTIL_AND(7, 0), 0, NULL);
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zassert_equal(UTIL_AND(SEVEN, ZERO), 0, NULL);
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zassert_equal(UTIL_AND(0, 7), 0, NULL);
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zassert_equal(UTIL_AND(ZERO, SEVEN), 0, NULL);
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zassert_equal(UTIL_AND(0, 0), 0, NULL);
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zassert_equal(UTIL_AND(ZERO, ZERO), 0, NULL);
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zassert_equal(UTIL_AND(7, 7), 7, NULL);
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zassert_equal(UTIL_AND(7, SEVEN), 7, NULL);
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zassert_equal(UTIL_AND(SEVEN, 7), 7, NULL);
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zassert_equal(UTIL_AND(SEVEN, SEVEN), 7, NULL);
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}
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void test_IF_ENABLED(void)
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{
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#define test_IF_ENABLED_FLAG_A 1
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#define test_IF_ENABLED_FLAG_B 0
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IF_ENABLED(test_IF_ENABLED_FLAG_A, (goto skipped;))
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/* location should be skipped if IF_ENABLED macro is correct. */
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zassert_false(true, "location should be skipped");
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skipped:
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IF_ENABLED(test_IF_ENABLED_FLAG_B, (zassert_false(true, "");))
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IF_ENABLED(test_IF_ENABLED_FLAG_C, (zassert_false(true, "");))
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zassert_true(true, "");
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#undef test_IF_ENABLED_FLAG_A
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#undef test_IF_ENABLED_FLAG_B
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}
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void test_UTIL_LISTIFY(void)
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{
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int i = 0;
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#define INC(x, _) \
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do { \
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i += x; \
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} while (0);
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#define DEFINE(x, y) int a##x = x * y;
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#define MARK_UNUSED(x, _) ARG_UNUSED(a##x);
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UTIL_LISTIFY(4, DEFINE, 2)
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UTIL_LISTIFY(4, MARK_UNUSED, _)
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UTIL_LISTIFY(4, INC, _)
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zassert_equal(i, 0 + 1 + 2 + 3, NULL);
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zassert_equal(a0, 0, NULL);
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zassert_equal(a1, 2, NULL);
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zassert_equal(a2, 4, NULL);
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zassert_equal(a3, 6, NULL);
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}
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void test_MACRO_MAP_CAT(void)
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{
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int item_a_item_b_item_c_ = 1;
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#undef FOO
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#define FOO(x) item_##x##_
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zassert_equal(MACRO_MAP_CAT(FOO, a, b, c), 1, "MACRO_MAP_CAT");
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#undef FOO
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}
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static int inc_func(void)
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{
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static int a = 1;
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return a++;
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}
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/* Test checks if @ref Z_MAX and @ref Z_MIN return correct result and perform
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* single evaluation of input arguments.
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*/
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static void test_z_max_z_min(void)
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{
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zassert_equal(Z_MAX(inc_func(), 0), 1, "Unexpected macro result");
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/* Z_MAX should have call inc_func only once */
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zassert_equal(inc_func(), 2, "Unexpected return value");
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zassert_equal(Z_MIN(inc_func(), 2), 2, "Unexpected macro result");
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/* Z_MIN should have call inc_func only once */
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zassert_equal(inc_func(), 4, "Unexpected return value");
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}
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static void test_FOR_EACH(void)
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{
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#define FOR_EACH_MACRO_TEST(arg) *buf++ = arg
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uint8_t array[3] = {0};
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uint8_t *buf = array;
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FOR_EACH(FOR_EACH_MACRO_TEST, (;), 1, 2, 3);
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zassert_equal(array[0], 1, "Unexpected value %d", array[0]);
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zassert_equal(array[1], 2, "Unexpected value %d", array[1]);
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zassert_equal(array[2], 3, "Unexpected value %d", array[2]);
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}
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static void fsum(uint32_t incr, uint32_t *sum)
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{
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*sum = *sum + incr;
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}
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static void test_FOR_EACH_FIXED_ARG(void)
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{
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uint32_t sum = 0;
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FOR_EACH_FIXED_ARG(fsum, (;), &sum, 1, 2, 3);
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zassert_equal(sum, 6, "Unexpected value %d", sum);
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}
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static void test_FOR_EACH_IDX(void)
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{
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#define FOR_EACH_IDX_MACRO_TEST(n, arg) uint8_t a##n = arg
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FOR_EACH_IDX(FOR_EACH_IDX_MACRO_TEST, (;), 1, 2, 3);
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zassert_equal(a0, 1, "Unexpected value %d", a0);
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zassert_equal(a1, 2, "Unexpected value %d", a1);
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zassert_equal(a2, 3, "Unexpected value %d", a2);
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#define FOR_EACH_IDX_MACRO_TEST2(n, arg) array[n] = arg
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uint8_t array[32] = {0};
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FOR_EACH_IDX(FOR_EACH_IDX_MACRO_TEST2, (;), 1, 2, 3, 4, 5, 6, 7, 8,
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9, 10, 11, 12, 13, 14, 15);
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for (int i = 0; i < 15; i++) {
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zassert_equal(array[i], i + 1,
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"Unexpected value: %d", array[i]);
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}
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zassert_equal(array[15], 0, "Unexpected value: %d", array[15]);
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#define FOR_EACH_IDX_MACRO_TEST3(n, arg) &a##n
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uint8_t *a[] = {
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FOR_EACH_IDX(FOR_EACH_IDX_MACRO_TEST3, (,), 1, 2, 3)
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};
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zassert_equal(ARRAY_SIZE(a), 3, "Unexpected value:%d", ARRAY_SIZE(a));
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}
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static void test_FOR_EACH_IDX_FIXED_ARG(void)
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{
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#undef FOO
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#define FOO(n, arg, fixed_arg) \
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uint8_t fixed_arg##n = arg
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FOR_EACH_IDX_FIXED_ARG(FOO, (;), a, 1, 2, 3);
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zassert_equal(a0, 1, "Unexpected value %d", a0);
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zassert_equal(a1, 2, "Unexpected value %d", a1);
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zassert_equal(a2, 3, "Unexpected value %d", a2);
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}
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static void test_IS_EMPTY(void)
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{
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#define test_IS_EMPTY_REAL_EMPTY
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#define test_IS_EMPTY_NOT_EMPTY XXX_DO_NOT_REPLACE_XXX
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zassert_true(IS_EMPTY(test_IS_EMPTY_REAL_EMPTY),
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"Expected to be empty");
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zassert_false(IS_EMPTY(test_IS_EMPTY_NOT_EMPTY),
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"Expected to be non-empty");
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}
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static void test_LIST_DROP_EMPTY(void)
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{
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/*
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* The real definition should be:
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* #define TEST_BROKEN_LIST ,Henry,,Dorsett,Case,
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* but checkpatch complains, so below equivalent is defined.
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*/
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#define TEST_BROKEN_LIST EMPTY, Henry, EMPTY, Dorsett, Case,
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#define TEST_FIXED_LIST LIST_DROP_EMPTY(TEST_BROKEN_LIST)
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static const char *const arr[] = {
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FOR_EACH(STRINGIFY, (,), TEST_FIXED_LIST)
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};
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zassert_equal(ARRAY_SIZE(arr), 3, "Failed to cleanup list");
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zassert_equal(strcmp(arr[0], "Henry"), 0, "Failed at 0");
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zassert_equal(strcmp(arr[1], "Dorsett"), 0, "Failed at 1");
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zassert_equal(strcmp(arr[2], "Case"), 0, "Failed at 0");
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}
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static void test_nested_FOR_EACH(void)
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{
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#define FOO_1(x) a##x = x
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#define FOO_2(x) int x
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FOR_EACH(FOO_2, (;), FOR_EACH(FOO_1, (,), 0, 1, 2));
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zassert_equal(a0, 0, NULL);
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zassert_equal(a1, 1, NULL);
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zassert_equal(a2, 2, NULL);
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}
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static void test_GET_ARG_N(void)
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{
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int a = GET_ARG_N(1, 10, 100, 1000);
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int b = GET_ARG_N(2, 10, 100, 1000);
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int c = GET_ARG_N(3, 10, 100, 1000);
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zassert_equal(a, 10, NULL);
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zassert_equal(b, 100, NULL);
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zassert_equal(c, 1000, NULL);
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}
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static void test_GET_ARGS_LESS_N(void)
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{
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uint8_t a[] = { GET_ARGS_LESS_N(0, 1, 2, 3) };
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uint8_t b[] = { GET_ARGS_LESS_N(1, 1, 2, 3) };
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uint8_t c[] = { GET_ARGS_LESS_N(2, 1, 2, 3) };
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zassert_equal(sizeof(a), 3, NULL);
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zassert_equal(sizeof(b), 2, NULL);
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zassert_equal(b[0], 2, NULL);
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zassert_equal(b[1], 3, NULL);
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zassert_equal(sizeof(c), 1, NULL);
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zassert_equal(c[0], 3, NULL);
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}
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static void test_mixing_GET_ARG_and_FOR_EACH(void)
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{
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#undef TEST_MACRO
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#define TEST_MACRO(x) x,
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int i;
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i = GET_ARG_N(3, FOR_EACH(TEST_MACRO, (), 1, 2, 3, 4, 5));
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zassert_equal(i, 3, NULL);
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i = GET_ARG_N(2, 1, GET_ARGS_LESS_N(2, 1, 2, 3, 4, 5));
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zassert_equal(i, 3, NULL);
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#undef TEST_MACRO
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#undef TEST_MACRO2
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#define TEST_MACRO(x) GET_ARG_N(3, 1, 2, x),
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#define TEST_MACRO2(...) FOR_EACH(TEST_MACRO, (), __VA_ARGS__)
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int a[] = {
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LIST_DROP_EMPTY(TEST_MACRO2(1, 2, 3, 4)), 5
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};
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zassert_equal(ARRAY_SIZE(a), 5, NULL);
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zassert_equal(a[0], 1, NULL);
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zassert_equal(a[1], 2, NULL);
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zassert_equal(a[2], 3, NULL);
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zassert_equal(a[3], 4, NULL);
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zassert_equal(a[4], 5, NULL);
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}
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void test_cxx(void);
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void test_cc(void);
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void test_main(void)
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{
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ztest_test_suite(test_lib_sys_util_tests,
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ztest_unit_test(test_u8_to_dec),
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ztest_unit_test(test_COND_CODE_1),
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ztest_unit_test(test_COND_CODE_0),
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ztest_unit_test(test_UTIL_OR),
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ztest_unit_test(test_UTIL_AND),
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ztest_unit_test(test_IF_ENABLED),
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ztest_unit_test(test_UTIL_LISTIFY),
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ztest_unit_test(test_MACRO_MAP_CAT),
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ztest_unit_test(test_z_max_z_min),
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ztest_unit_test(test_FOR_EACH),
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ztest_unit_test(test_FOR_EACH_FIXED_ARG),
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ztest_unit_test(test_FOR_EACH_IDX),
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ztest_unit_test(test_FOR_EACH_IDX_FIXED_ARG),
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ztest_unit_test(test_IS_EMPTY),
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ztest_unit_test(test_LIST_DROP_EMPTY),
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ztest_unit_test(test_nested_FOR_EACH),
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ztest_unit_test(test_GET_ARG_N),
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ztest_unit_test(test_GET_ARGS_LESS_N),
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ztest_unit_test(test_mixing_GET_ARG_and_FOR_EACH)
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);
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ztest_run_test_suite(test_lib_sys_util_tests);
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test_cc();
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test_cxx();
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}
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