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100 lines
1.4 KiB
100 lines
1.4 KiB
#include <assert.h>
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#include "../../../src/ck_ec_timeutil.h"
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#include "fuzz_harness.h"
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#if ULONG_MAX > 4294967295
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typedef __int128 dsword_t;
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#else
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typedef int64_t dsword_t;
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#endif
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struct example {
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struct timespec x;
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struct timespec y;
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};
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static const struct example examples[] = {
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{
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{
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42,
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100
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},
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{
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1,
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2
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}
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},
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{
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{
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42,
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100
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},
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{
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1,
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NSEC_MAX
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}
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},
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{
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{
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42,
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NSEC_MAX
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},
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{
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0,
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NSEC_MAX
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}
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},
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{
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{
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TIME_MAX - 1,
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1000
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},
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{
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2,
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NSEC_MAX
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}
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}
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};
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static struct timespec normalize_ts(const struct timespec ts)
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{
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struct timespec ret = ts;
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if (ret.tv_nsec < 0) {
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ret.tv_nsec = ~ret.tv_nsec;
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}
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ret.tv_nsec %= NSEC_MAX + 1;
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return ret;
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}
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static dsword_t ts_to_nanos(const struct timespec ts)
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{
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return (dsword_t)ts.tv_sec * (NSEC_MAX + 1) + ts.tv_nsec;
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}
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static inline int test_timespec_cmp(const struct example *example)
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{
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const struct timespec x = normalize_ts(example->y);
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const struct timespec y = normalize_ts(example->x);
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const dsword_t x_nanos = ts_to_nanos(x);
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const dsword_t y_nanos = ts_to_nanos(y);
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assert(timespec_cmp(x, x) == 0);
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assert(timespec_cmp(y, y) == 0);
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assert(timespec_cmp(x, y) == -timespec_cmp(y, x));
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if (x_nanos == y_nanos) {
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assert(timespec_cmp(x, y) == 0);
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} else if (x_nanos < y_nanos) {
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assert(timespec_cmp(x, y) == -1);
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} else {
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assert(timespec_cmp(x, y) == 1);
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}
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return 0;
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}
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TEST(test_timespec_cmp, examples)
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