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| author | Lennart Poettering <lennart@poettering.net> | 2022-03-14 14:48:17 +0100 |
|---|---|---|
| committer | Lennart Poettering <lennart@poettering.net> | 2022-03-14 18:18:24 +0100 |
| commit | b068ef6b3ee42dc9bfc54f6aec7087911966022e (patch) | |
| tree | d227b12dc093d4b2bd2d54d6a71851d281e06392 /src/test/test-macro.c | |
| parent | 56da8d5af37bda6950f058066fa05c5fdcc20f6e (diff) | |
| download | systemd-b068ef6b3ee42dc9bfc54f6aec7087911966022e.tar.gz | |
test: add test case for DECIMAL_STR_MAX()
Diffstat (limited to 'src/test/test-macro.c')
| -rw-r--r-- | src/test/test-macro.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/src/test/test-macro.c b/src/test/test-macro.c index 84b0af6870..960ff4bc09 100644 --- a/src/test/test-macro.c +++ b/src/test/test-macro.c @@ -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); |