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Diffstat (limited to 'libj2_j2u_cmp_ju.c')
| -rw-r--r-- | libj2_j2u_cmp_ju.c | 145 |
1 files changed, 145 insertions, 0 deletions
diff --git a/libj2_j2u_cmp_ju.c b/libj2_j2u_cmp_ju.c new file mode 100644 index 0000000..ba45409 --- /dev/null +++ b/libj2_j2u_cmp_ju.c @@ -0,0 +1,145 @@ +/* See LICENSE file for copyright and license details. */ +#include "common.h" +#ifndef TEST + +extern inline int libj2_j2u_cmp_ju(const struct libj2_j2u *a, uintmax_t b); +/* TODO Add man page */ + + +#else + +static int +cmp(uintmax_t a_high, uintmax_t a_low, uintmax_t b) +{ + struct libj2_j2u a, c; + int ret; + + a.high = a_high; + a.low = a_low; + + ret = libj2_j2u_cmp_ju(&a, b); + EXPECT(a.high == a_high); + EXPECT(a.low == a_low); + + EXPECT(libj2_ju_cmp_j2u(b, &a) == (ret ? -ret : 0)); + + EXPECT(libj2_j2u_lt_ju(&a, b) == (ret < 0)); + EXPECT(a.high == a_high); + EXPECT(a.low == a_low); + + EXPECT(libj2_j2u_le_ju(&a, b) == (ret <= 0)); + EXPECT(a.high == a_high); + EXPECT(a.low == a_low); + + EXPECT(libj2_j2u_gt_ju(&a, b) == (ret > 0)); + EXPECT(a.high == a_high); + EXPECT(a.low == a_low); + + EXPECT(libj2_j2u_ge_ju(&a, b) == (ret >= 0)); + EXPECT(a.high == a_high); + EXPECT(a.low == a_low); + + EXPECT(libj2_j2u_eq_ju(&a, b) == (ret == 0)); + EXPECT(a.high == a_high); + EXPECT(a.low == a_low); + + EXPECT(libj2_j2u_ne_ju(&a, b) == (ret != 0)); + EXPECT(a.high == a_high); + EXPECT(a.low == a_low); + + EXPECT(libj2_ju_lt_j2u(b, &a) == (ret > 0)); + EXPECT(libj2_ju_le_j2u(b, &a) == (ret >= 0)); + EXPECT(libj2_ju_gt_j2u(b, &a) == (ret < 0)); + EXPECT(libj2_ju_ge_j2u(b, &a) == (ret <= 0)); + EXPECT(libj2_ju_eq_j2u(b, &a) == (ret == 0)); + EXPECT(libj2_ju_ne_j2u(b, &a) == (ret != 0)); + + c = (struct libj2_j2u){111, 222}; + libj2_j2u_max_ju_to_j2u(&a, b, &c); + EXPECT(a.high == a_high); + EXPECT(a.low == a_low); + if (ret >= 0) + EXPECT(libj2_j2u_eq_j2u(&c, &a) == 1); + if (ret <= 0) + EXPECT(libj2_j2u_eq_ju(&c, b) == 1); + + c = a; + libj2_j2u_max_ju(&c, b); + if (ret >= 0) + EXPECT(libj2_j2u_eq_j2u(&c, &a) == 1); + if (ret <= 0) + EXPECT(libj2_j2u_eq_ju(&c, b) == 1); + + c = (struct libj2_j2u){111, 222}; + libj2_j2u_min_ju_to_j2u(&a, b, &c); + EXPECT(a.high == a_high); + EXPECT(a.low == a_low); + if (ret <= 0) + EXPECT(libj2_j2u_eq_j2u(&c, &a) == 1); + if (ret >= 0) + EXPECT(libj2_j2u_eq_ju(&c, b) == 1); + + c = a; + libj2_j2u_min_ju(&c, b); + if (ret <= 0) + EXPECT(libj2_j2u_eq_j2u(&c, &a) == 1); + if (ret >= 0) + EXPECT(libj2_j2u_eq_ju(&c, b) == 1); + + return ret; +} + +int +main(void) +{ + const uintmax_t max = UINTMAX_MAX; + + EXPECT(cmp(0, 0, 0) == 0); + EXPECT(cmp(0, 1, 0) == +1); + EXPECT(cmp(1, 0, 0) == +1); + EXPECT(cmp(1, 1, 0) == +1); + EXPECT(cmp(0, max, 0) == +1); + EXPECT(cmp(max, 0, 0) == +1); + EXPECT(cmp(max, max, 0) == +1); + EXPECT(cmp(max, max - 1, 0) == +1); + + EXPECT(cmp(0, 0, 1) == -1); + EXPECT(cmp(0, 1, 1) == 0); + EXPECT(cmp(1, 0, 1) == +1); + EXPECT(cmp(1, 1, 1) == +1); + EXPECT(cmp(0, max, 1) == +1); + EXPECT(cmp(max, 0, 1) == +1); + EXPECT(cmp(max, max, 1) == +1); + EXPECT(cmp(max, max - 1, 1) == +1); + + EXPECT(cmp(0, 0, 2) == -1); + EXPECT(cmp(0, 1, 2) == -1); + EXPECT(cmp(1, 0, 2) == +1); + EXPECT(cmp(1, 1, 2) == +1); + EXPECT(cmp(0, max, 2) == +1); + EXPECT(cmp(max, 0, 2) == +1); + EXPECT(cmp(max, max, 2) == +1); + EXPECT(cmp(max, max - 1, 2) == +1); + + EXPECT(cmp(0, 0, max) == -1); + EXPECT(cmp(0, 1, max) == -1); + EXPECT(cmp(1, 0, max) == +1); + EXPECT(cmp(1, 1, max) == +1); + EXPECT(cmp(0, max, max) == 0); + EXPECT(cmp(max, 0, max) == +1); + EXPECT(cmp(max, max, max) == +1); + EXPECT(cmp(max, max - 1, max) == +1); + + EXPECT(cmp(0, 0, max - 1) == -1); + EXPECT(cmp(0, 1, max - 1) == -1); + EXPECT(cmp(1, 0, max - 1) == +1); + EXPECT(cmp(1, 1, max - 1) == +1); + EXPECT(cmp(0, max, max - 1) == +1); + EXPECT(cmp(max, 0, max - 1) == +1); + EXPECT(cmp(max, max, max - 1) == +1); + EXPECT(cmp(max, max - 1, max - 1) == +1); + + return 0; +} + +#endif |