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replace endianness tests with more robust and architecture-agnostic tests for swapping byte order

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Quinn
2025-06-15 15:55:15 +02:00
parent 1c8e3252e6
commit f2c2eaf36d
2 changed files with 35 additions and 23 deletions
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50
test/t_util.h
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@@ -3,7 +3,7 @@
#include <stdint.h>
#include "../src/util/colour32.h"
#include "../src/util/compat/endian.h"
#include "../src/util/compat/bswap.h"
#include "../src/util/vec/float3.h"
#include "test.h"
@@ -23,24 +23,32 @@ int test_colour32_endianess(void* d) {
return assert_true(c.ch.r == 0xFF);
}
int test_compat_endianess(void* d) {
uint32_t x = *((uint32_t*)d + 0);
int res = 0;
#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
res |= assert_false(be32ton(x) == x);
res |= assert_false(ntobe32(x) == x);
res |= assert_true(be32ton(ntobe32(x)) == x);
res |= assert_true(le32ton(x) == x);
res |= assert_true(ntole32(x) == x);
#elif __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
res |= assert_false(le32ton(x) == x);
res |= assert_false(ntole32(x) == x);
res |= assert_true(le32ton(ntole32(x)) == x);
res |= assert_true(be32ton(x) == x);
res |= assert_true(ntobe32(x) == x);
#else
res |= assert_false("platform unsupported!!");
#endif
return res;
int test_bswap16(void* d) {
uint16_t* arg = d;
return assert_true(bswap16(arg[0]) == arg[1]);
}
int test_bswap32(void* d) {
uint32_t* arg = d;
return assert_true(bswap32(arg[0]) == arg[1]);
}
int test_bswap64(void* d) {
uint64_t* arg = d;
return assert_true(bswap64(arg[0]) == arg[1]);
}
int test_bswap16_impl(void* d) {
uint16_t* arg = d;
return assert_true(bswap16_impl(arg[0]) == arg[1]);
}
int test_bswap32_impl(void* d) {
uint32_t* arg = d;
return assert_true(bswap32_impl(arg[0]) == arg[1]);
}
int test_bswap64_impl(void* d) {
uint64_t* arg = d;
return assert_true(bswap64_impl(arg[0]) == arg[1]);
}