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test: add test for DECIMAL_STR_WIDTH()

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This commit is contained in:
Lennart Poettering 2022-03-14 12:02:42 +01:00
parent 92463840f8
commit 845ed47231
1 changed files with 23 additions and 0 deletions
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23
src/test/test-macro.c
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@ -387,4 +387,27 @@ TEST(flags) {
assert_se(f == F2);
}
TEST(DECIMAL_STR_WIDTH) {
assert_se(DECIMAL_STR_WIDTH(0) == 1);
assert_se(DECIMAL_STR_WIDTH(1) == 1);
assert_se(DECIMAL_STR_WIDTH(2) == 1);
assert_se(DECIMAL_STR_WIDTH(9) == 1);
assert_se(DECIMAL_STR_WIDTH(10) == 2);
assert_se(DECIMAL_STR_WIDTH(11) == 2);
assert_se(DECIMAL_STR_WIDTH(99) == 2);
assert_se(DECIMAL_STR_WIDTH(100) == 3);
assert_se(DECIMAL_STR_WIDTH(101) == 3);
assert_se(DECIMAL_STR_WIDTH(-1) == 2);
assert_se(DECIMAL_STR_WIDTH(-2) == 2);
assert_se(DECIMAL_STR_WIDTH(-9) == 2);
assert_se(DECIMAL_STR_WIDTH(-10) == 3);
assert_se(DECIMAL_STR_WIDTH(-11) == 3);
assert_se(DECIMAL_STR_WIDTH(-99) == 3);
assert_se(DECIMAL_STR_WIDTH(-100) == 4);
assert_se(DECIMAL_STR_WIDTH(-101) == 4);
assert_se(DECIMAL_STR_WIDTH(UINT64_MAX) == STRLEN("18446744073709551615"));
assert_se(DECIMAL_STR_WIDTH(INT64_MAX) == STRLEN("9223372036854775807"));
assert_se(DECIMAL_STR_WIDTH(INT64_MIN) == STRLEN("-9223372036854775808"));
}
DEFINE_TEST_MAIN(LOG_INFO);