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42 lines
748 B
42 lines
748 B
#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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struct example {
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uint32_t nsec;
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uint32_t multiplier;
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unsigned int shift;
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};
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static const struct example examples[] = {
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{
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UINT32_MAX,
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UINT32_MAX,
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1
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},
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{
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10,
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20,
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0
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}
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};
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static inline int test_wait_time_scale(const struct example *example)
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{
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const uint32_t nsec = example->nsec;
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const uint32_t multiplier = example->multiplier;
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const unsigned int shift = example->shift % 32;
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uint32_t actual = wait_time_scale(nsec, multiplier, shift);
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uint64_t expected = ((uint64_t)nsec * multiplier) >> shift;
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if (expected > UINT32_MAX) {
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expected = UINT32_MAX;
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}
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assert(actual == expected);
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return 0;
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}
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TEST(test_wait_time_scale, examples)
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