46 lines
1.1 KiB
C
46 lines
1.1 KiB
C
#include "test/jemalloc_test.h"
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#include "jemalloc/internal/decay.h"
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/*
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* Honestly, this is mostly a stub for now. Eventually, we should beef up
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* testing here.
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*/
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TEST_BEGIN(test_decay_empty) {
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/* If we never have any decaying pages, npages_limit should be 0. */
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decay_t decay;
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memset(&decay, 0, sizeof(decay));
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nstime_t curtime;
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nstime_init(&curtime, 0);
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uint64_t decay_ms = 1000;
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uint64_t decay_ns = decay_ms * 1000 * 1000;
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bool err = decay_init(&decay, &curtime, (ssize_t)decay_ms);
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assert_false(err, "");
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uint64_t time_between_calls = decay_epoch_duration_ns(&decay) / 5;
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int nepochs = 0;
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for (uint64_t i = 0; i < decay_ns / time_between_calls * 10; i++) {
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size_t dirty_pages = 0;
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nstime_init(&curtime, i * time_between_calls);
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bool epoch_advanced = decay_maybe_advance_epoch(&decay,
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&curtime, dirty_pages);
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if (epoch_advanced) {
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nepochs++;
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assert_zu_eq(decay_npages_limit_get(&decay), 0,
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"Should not increase the limit arbitrarily");
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}
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}
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assert_d_gt(nepochs, 0, "Should have advanced epochs");
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}
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TEST_END
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int
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main(void) {
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return test(
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test_decay_empty);
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}
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