diff options
Diffstat (limited to 'src/test/test-percent-util.c')
| -rw-r--r-- | src/test/test-percent-util.c | 199 |
1 files changed, 199 insertions, 0 deletions
diff --git a/src/test/test-percent-util.c b/src/test/test-percent-util.c new file mode 100644 index 0000000..7e8e11b --- /dev/null +++ b/src/test/test-percent-util.c @@ -0,0 +1,199 @@ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ + +#include "percent-util.h" +#include "tests.h" +#include "time-util.h" + +TEST(parse_percent) { + assert_se(parse_percent("") == -EINVAL); + assert_se(parse_percent("foo") == -EINVAL); + assert_se(parse_percent("0") == -EINVAL); + assert_se(parse_percent("0.1") == -EINVAL); + assert_se(parse_percent("50") == -EINVAL); + assert_se(parse_percent("100") == -EINVAL); + assert_se(parse_percent("-1") == -EINVAL); + assert_se(parse_percent("0%") == 0); + assert_se(parse_percent("55%") == 55); + assert_se(parse_percent("100%") == 100); + assert_se(parse_percent("-7%") == -ERANGE); + assert_se(parse_percent("107%") == -ERANGE); + assert_se(parse_percent("%") == -EINVAL); + assert_se(parse_percent("%%") == -EINVAL); + assert_se(parse_percent("%1") == -EINVAL); + assert_se(parse_percent("1%%") == -EINVAL); + assert_se(parse_percent("3.2%") == -EINVAL); +} + +TEST(parse_percent_unbounded) { + assert_se(parse_percent_unbounded("101%") == 101); + assert_se(parse_percent_unbounded("400%") == 400); +} + +TEST(parse_permille) { + assert_se(parse_permille("") == -EINVAL); + assert_se(parse_permille("foo") == -EINVAL); + assert_se(parse_permille("0") == -EINVAL); + assert_se(parse_permille("50") == -EINVAL); + assert_se(parse_permille("100") == -EINVAL); + assert_se(parse_permille("-1") == -EINVAL); + assert_se(parse_permille("0.1") == -EINVAL); + assert_se(parse_permille("5%") == 50); + assert_se(parse_permille("5.5%") == 55); + assert_se(parse_permille("5.12%") == -EINVAL); + + assert_se(parse_permille("0‰") == 0); + assert_se(parse_permille("555‰") == 555); + assert_se(parse_permille("1000‰") == 1000); + assert_se(parse_permille("-7‰") == -ERANGE); + assert_se(parse_permille("1007‰") == -ERANGE); + assert_se(parse_permille("‰") == -EINVAL); + assert_se(parse_permille("‰‰") == -EINVAL); + assert_se(parse_permille("‰1") == -EINVAL); + assert_se(parse_permille("1‰‰") == -EINVAL); + assert_se(parse_permille("3.2‰") == -EINVAL); + assert_se(parse_permille("0.1‰") == -EINVAL); + + assert_se(parse_permille("0%") == 0); + assert_se(parse_permille("55%") == 550); + assert_se(parse_permille("55.5%") == 555); + assert_se(parse_permille("100%") == 1000); + assert_se(parse_permille("-7%") == -ERANGE); + assert_se(parse_permille("107%") == -ERANGE); + assert_se(parse_permille("%") == -EINVAL); + assert_se(parse_permille("%%") == -EINVAL); + assert_se(parse_permille("%1") == -EINVAL); + assert_se(parse_permille("1%%") == -EINVAL); + assert_se(parse_permille("3.21%") == -EINVAL); + assert_se(parse_permille("0.1%") == 1); +} + +TEST(parse_permille_unbounded) { + assert_se(parse_permille_unbounded("1001‰") == 1001); + assert_se(parse_permille_unbounded("4000‰") == 4000); + assert_se(parse_permille_unbounded("2147483647‰") == 2147483647); + assert_se(parse_permille_unbounded("2147483648‰") == -ERANGE); + assert_se(parse_permille_unbounded("4294967295‰") == -ERANGE); + assert_se(parse_permille_unbounded("4294967296‰") == -ERANGE); + + assert_se(parse_permille_unbounded("101%") == 1010); + assert_se(parse_permille_unbounded("400%") == 4000); + assert_se(parse_permille_unbounded("214748364.7%") == 2147483647); + assert_se(parse_permille_unbounded("214748364.8%") == -ERANGE); + assert_se(parse_permille_unbounded("429496729.5%") == -ERANGE); + assert_se(parse_permille_unbounded("429496729.6%") == -ERANGE); +} + +TEST(parse_permyriad) { + assert_se(parse_permyriad("") == -EINVAL); + assert_se(parse_permyriad("foo") == -EINVAL); + assert_se(parse_permyriad("0") == -EINVAL); + assert_se(parse_permyriad("50") == -EINVAL); + assert_se(parse_permyriad("100") == -EINVAL); + assert_se(parse_permyriad("-1") == -EINVAL); + + assert_se(parse_permyriad("0‱") == 0); + assert_se(parse_permyriad("555‱") == 555); + assert_se(parse_permyriad("1000‱") == 1000); + assert_se(parse_permyriad("-7‱") == -ERANGE); + assert_se(parse_permyriad("10007‱") == -ERANGE); + assert_se(parse_permyriad("‱") == -EINVAL); + assert_se(parse_permyriad("‱‱") == -EINVAL); + assert_se(parse_permyriad("‱1") == -EINVAL); + assert_se(parse_permyriad("1‱‱") == -EINVAL); + assert_se(parse_permyriad("3.2‱") == -EINVAL); + + assert_se(parse_permyriad("0‰") == 0); + assert_se(parse_permyriad("555.5‰") == 5555); + assert_se(parse_permyriad("1000.0‰") == 10000); + assert_se(parse_permyriad("-7‰") == -ERANGE); + assert_se(parse_permyriad("1007‰") == -ERANGE); + assert_se(parse_permyriad("‰") == -EINVAL); + assert_se(parse_permyriad("‰‰") == -EINVAL); + assert_se(parse_permyriad("‰1") == -EINVAL); + assert_se(parse_permyriad("1‰‰") == -EINVAL); + assert_se(parse_permyriad("3.22‰") == -EINVAL); + + assert_se(parse_permyriad("0%") == 0); + assert_se(parse_permyriad("55%") == 5500); + assert_se(parse_permyriad("55.5%") == 5550); + assert_se(parse_permyriad("55.50%") == 5550); + assert_se(parse_permyriad("55.53%") == 5553); + assert_se(parse_permyriad("100%") == 10000); + assert_se(parse_permyriad("-7%") == -ERANGE); + assert_se(parse_permyriad("107%") == -ERANGE); + assert_se(parse_permyriad("%") == -EINVAL); + assert_se(parse_permyriad("%%") == -EINVAL); + assert_se(parse_permyriad("%1") == -EINVAL); + assert_se(parse_permyriad("1%%") == -EINVAL); + assert_se(parse_permyriad("3.212%") == -EINVAL); +} + +TEST(parse_permyriad_unbounded) { + assert_se(parse_permyriad_unbounded("1001‱") == 1001); + assert_se(parse_permyriad_unbounded("4000‱") == 4000); + assert_se(parse_permyriad_unbounded("2147483647‱") == 2147483647); + assert_se(parse_permyriad_unbounded("2147483648‱") == -ERANGE); + assert_se(parse_permyriad_unbounded("4294967295‱") == -ERANGE); + assert_se(parse_permyriad_unbounded("4294967296‱") == -ERANGE); + + assert_se(parse_permyriad_unbounded("101‰") == 1010); + assert_se(parse_permyriad_unbounded("400‰") == 4000); + assert_se(parse_permyriad_unbounded("214748364.7‰") == 2147483647); + assert_se(parse_permyriad_unbounded("214748364.8‰") == -ERANGE); + assert_se(parse_permyriad_unbounded("429496729.5‰") == -ERANGE); + assert_se(parse_permyriad_unbounded("429496729.6‰") == -ERANGE); + + assert_se(parse_permyriad_unbounded("99%") == 9900); + assert_se(parse_permyriad_unbounded("40%") == 4000); + assert_se(parse_permyriad_unbounded("21474836.47%") == 2147483647); + assert_se(parse_permyriad_unbounded("21474836.48%") == -ERANGE); + assert_se(parse_permyriad_unbounded("42949672.95%") == -ERANGE); + assert_se(parse_permyriad_unbounded("42949672.96%") == -ERANGE); +} + +TEST(scale) { + /* Check some fixed values */ + assert_se(UINT32_SCALE_FROM_PERCENT(0) == 0); + assert_se(UINT32_SCALE_FROM_PERCENT(50) == UINT32_MAX/2+1); + assert_se(UINT32_SCALE_FROM_PERCENT(100) == UINT32_MAX); + + assert_se(UINT32_SCALE_FROM_PERMILLE(0) == 0); + assert_se(UINT32_SCALE_FROM_PERMILLE(500) == UINT32_MAX/2+1); + assert_se(UINT32_SCALE_FROM_PERMILLE(1000) == UINT32_MAX); + + assert_se(UINT32_SCALE_FROM_PERMYRIAD(0) == 0); + assert_se(UINT32_SCALE_FROM_PERMYRIAD(5000) == UINT32_MAX/2+1); + assert_se(UINT32_SCALE_FROM_PERMYRIAD(10000) == UINT32_MAX); + + /* Make sure there's no numeric noise on the 0%…100% scale when converting from percent and back. */ + for (int percent = 0; percent <= 100; percent++) { + log_debug("%i%% → %" PRIu32 " → %i%%", + percent, + UINT32_SCALE_FROM_PERCENT(percent), + UINT32_SCALE_TO_PERCENT(UINT32_SCALE_FROM_PERCENT(percent))); + + assert_se(UINT32_SCALE_TO_PERCENT(UINT32_SCALE_FROM_PERCENT(percent)) == percent); + } + + /* Make sure there's no numeric noise on the 0‰…1000‰ scale when converting from permille and back. */ + for (int permille = 0; permille <= 1000; permille++) { + log_debug("%i‰ → %" PRIu32 " → %i‰", + permille, + UINT32_SCALE_FROM_PERMILLE(permille), + UINT32_SCALE_TO_PERMILLE(UINT32_SCALE_FROM_PERMILLE(permille))); + + assert_se(UINT32_SCALE_TO_PERMILLE(UINT32_SCALE_FROM_PERMILLE(permille)) == permille); + } + + /* Make sure there's no numeric noise on the 0‱…10000‱ scale when converting from permyriad and back. */ + for (int permyriad = 0; permyriad <= 10000; permyriad++) { + log_debug("%i‱ → %" PRIu32 " → %i‱", + permyriad, + UINT32_SCALE_FROM_PERMYRIAD(permyriad), + UINT32_SCALE_TO_PERMYRIAD(UINT32_SCALE_FROM_PERMYRIAD(permyriad))); + + assert_se(UINT32_SCALE_TO_PERMYRIAD(UINT32_SCALE_FROM_PERMYRIAD(permyriad)) == permyriad); + } +} + +DEFINE_TEST_MAIN(LOG_DEBUG); |