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-rw-r--r--tests/bit.c100
1 files changed, 50 insertions, 50 deletions
diff --git a/tests/bit.c b/tests/bit.c
index 7a7b0f3..cb339f4 100644
--- a/tests/bit.c
+++ b/tests/bit.c
@@ -1,11 +1,8 @@
// Copyright © Tavian Barnes <tavianator@tavianator.com>
// SPDX-License-Identifier: 0BSD
-#undef NDEBUG
-
#include "../src/bit.h"
#include "../src/diag.h"
-#include <assert.h>
#include <limits.h>
#include <stdint.h>
#include <stdlib.h>
@@ -54,68 +51,71 @@ bfs_static_assert(UINTMAX_MAX == UWIDTH_MAX(UINTMAX_WIDTH));
bfs_static_assert(INTMAX_MIN == IWIDTH_MIN(INTMAX_WIDTH));
bfs_static_assert(INTMAX_MAX == IWIDTH_MAX(INTMAX_WIDTH));
+#define verify_eq(a, b) \
+ bfs_verify((a) == (b), "(0x%jX) %s != %s (0x%jX)", (uintmax_t)(a), #a, #b, (uintmax_t)(b))
+
int main(void) {
- assert(bswap((uint8_t)0x12) == 0x12);
- assert(bswap((uint16_t)0x1234) == 0x3412);
- assert(bswap((uint32_t)0x12345678) == 0x78563412);
- assert(bswap((uint64_t)0x1234567812345678) == 0x7856341278563412);
-
- assert(count_ones(0x0) == 0);
- assert(count_ones(0x1) == 1);
- assert(count_ones(0x2) == 1);
- assert(count_ones(0x3) == 2);
- assert(count_ones(0x137F) == 10);
-
- assert(count_zeros(0) == INT_WIDTH);
- assert(count_zeros(0L) == LONG_WIDTH);
- assert(count_zeros(0LL) == LLONG_WIDTH);
- assert(count_zeros((uint8_t)0) == 8);
- assert(count_zeros((uint16_t)0) == 16);
- assert(count_zeros((uint32_t)0) == 32);
- assert(count_zeros((uint64_t)0) == 64);
-
- assert(rotate_left((uint8_t)0xA1, 4) == 0x1A);
- assert(rotate_left((uint16_t)0x1234, 12) == 0x4123);
- assert(rotate_left((uint32_t)0x12345678, 20) == 0x67812345);
- assert(rotate_left((uint32_t)0x12345678, 0) == 0x12345678);
-
- assert(rotate_right((uint8_t)0xA1, 4) == 0x1A);
- assert(rotate_right((uint16_t)0x1234, 12) == 0x2341);
- assert(rotate_right((uint32_t)0x12345678, 20) == 0x45678123);
- assert(rotate_right((uint32_t)0x12345678, 0) == 0x12345678);
+ verify_eq(bswap((uint8_t)0x12), 0x12);
+ verify_eq(bswap((uint16_t)0x1234), 0x3412);
+ verify_eq(bswap((uint32_t)0x12345678), 0x78563412);
+ verify_eq(bswap((uint64_t)0x1234567812345678), 0x7856341278563412);
+
+ verify_eq(count_ones(0x0), 0);
+ verify_eq(count_ones(0x1), 1);
+ verify_eq(count_ones(0x2), 1);
+ verify_eq(count_ones(0x3), 2);
+ verify_eq(count_ones(0x137F), 10);
+
+ verify_eq(count_zeros(0), INT_WIDTH);
+ verify_eq(count_zeros(0L), LONG_WIDTH);
+ verify_eq(count_zeros(0LL), LLONG_WIDTH);
+ verify_eq(count_zeros((uint8_t)0), 8);
+ verify_eq(count_zeros((uint16_t)0), 16);
+ verify_eq(count_zeros((uint32_t)0), 32);
+ verify_eq(count_zeros((uint64_t)0), 64);
+
+ verify_eq(rotate_left((uint8_t)0xA1, 4), 0x1A);
+ verify_eq(rotate_left((uint16_t)0x1234, 12), 0x4123);
+ verify_eq(rotate_left((uint32_t)0x12345678, 20), 0x67812345);
+ verify_eq(rotate_left((uint32_t)0x12345678, 0), 0x12345678);
+
+ verify_eq(rotate_right((uint8_t)0xA1, 4), 0x1A);
+ verify_eq(rotate_right((uint16_t)0x1234, 12), 0x2341);
+ verify_eq(rotate_right((uint32_t)0x12345678, 20), 0x45678123);
+ verify_eq(rotate_right((uint32_t)0x12345678, 0), 0x12345678);
for (int i = 0; i < 16; ++i) {
uint16_t n = (uint16_t)1 << i;
for (int j = i; j < 16; ++j) {
uint16_t m = (uint16_t)1 << j;
uint16_t nm = n | m;
- assert(count_ones(nm) == 1 + (n != m));
- assert(count_zeros(nm) == 15 - (n != m));
- assert(leading_zeros(nm) == 15 - j);
- assert(trailing_zeros(nm) == i);
- assert(first_leading_one(nm) == j + 1);
- assert(first_trailing_one(nm) == i + 1);
- assert(bit_width(nm) == j + 1);
- assert(bit_floor(nm) == m);
+ verify_eq(count_ones(nm), 1 + (n != m));
+ verify_eq(count_zeros(nm), 15 - (n != m));
+ verify_eq(leading_zeros(nm), 15 - j);
+ verify_eq(trailing_zeros(nm), i);
+ verify_eq(first_leading_one(nm), j + 1);
+ verify_eq(first_trailing_one(nm), i + 1);
+ verify_eq(bit_width(nm), j + 1);
+ verify_eq(bit_floor(nm), m);
if (n == m) {
- assert(bit_ceil(nm) == m);
- assert(has_single_bit(nm));
+ verify_eq(bit_ceil(nm), m);
+ bfs_verify(has_single_bit(nm));
} else {
if (j < 15) {
- assert(bit_ceil(nm) == (m << 1));
+ verify_eq(bit_ceil(nm), (m << 1));
}
- assert(!has_single_bit(nm));
+ bfs_verify(!has_single_bit(nm));
}
}
}
- assert(leading_zeros((uint16_t)0) == 16);
- assert(trailing_zeros((uint16_t)0) == 16);
- assert(first_leading_one(0) == 0);
- assert(first_trailing_one(0) == 0);
- assert(bit_width(0) == 0);
- assert(bit_floor(0) == 0);
- assert(bit_ceil(0) == 1);
+ verify_eq(leading_zeros((uint16_t)0), 16);
+ verify_eq(trailing_zeros((uint16_t)0), 16);
+ verify_eq(first_leading_one(0), 0);
+ verify_eq(first_trailing_one(0), 0);
+ verify_eq(bit_width(0), 0);
+ verify_eq(bit_floor(0), 0);
+ verify_eq(bit_ceil(0), 1);
return EXIT_SUCCESS;
}