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test: add test case for DECIMAL_STR_MAX()

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This commit is contained in:
Lennart Poettering 2022-03-14 14:48:17 +01:00
parent 56da8d5af3
commit b068ef6b3e
1 changed files with 23 additions and 0 deletions
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23
src/test/test-macro.c
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@ -410,4 +410,27 @@ TEST(DECIMAL_STR_WIDTH) {
assert_se(DECIMAL_STR_WIDTH(INT64_MIN) == STRLEN("-9223372036854775808"));
}
TEST(DECIMAL_STR_MAX) {
int8_t s8_longest = INT8_MIN;
int16_t s16_longest = INT16_MIN;
int32_t s32_longest = INT32_MIN;
int64_t s64_longest = INT64_MIN;
uint8_t u8_longest = UINT8_MAX;
uint16_t u16_longest = UINT16_MAX;
uint32_t u32_longest = UINT32_MAX;
uint64_t u64_longest = UINT64_MAX;
/* NB: Always add +1, because DECIMAL_STR_MAX() includes space for trailing NUL byte, but
* DECIMAL_STR_WIDTH() does not! */
assert_se(DECIMAL_STR_MAX(int8_t) == DECIMAL_STR_WIDTH(s8_longest)+1);
assert_se(DECIMAL_STR_MAX(int16_t) == DECIMAL_STR_WIDTH(s16_longest)+1);
assert_se(DECIMAL_STR_MAX(int32_t) == DECIMAL_STR_WIDTH(s32_longest)+1);
assert_se(DECIMAL_STR_MAX(int64_t) == DECIMAL_STR_WIDTH(s64_longest)+1);
assert_se(DECIMAL_STR_MAX(uint8_t) == DECIMAL_STR_WIDTH(u8_longest)+1);
assert_se(DECIMAL_STR_MAX(uint16_t) == DECIMAL_STR_WIDTH(u16_longest)+1);
assert_se(DECIMAL_STR_MAX(uint32_t) == DECIMAL_STR_WIDTH(u32_longest)+1);
assert_se(DECIMAL_STR_MAX(uint64_t) == DECIMAL_STR_WIDTH(u64_longest)+1);
}
DEFINE_TEST_MAIN(LOG_INFO);