41 lines
927 B
C
41 lines
927 B
C
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#include "test/jemalloc_test.h"
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static size_t
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zero_reallocs() {
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if (!config_stats) {
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return 0;
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}
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size_t count = 12345;
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size_t sz = sizeof(count);
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assert_d_eq(mallctl("stats.zero_reallocs", (void *)&count, &sz,
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NULL, 0), 0, "Unexpected mallctl failure");
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return count;
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}
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TEST_BEGIN(test_zero_reallocs) {
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test_skip_if(!config_stats);
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for (size_t i = 0; i < 100; ++i) {
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void *ptr = mallocx(i * i + 1, 0);
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assert_ptr_not_null(ptr, "Unexpected mallocx error");
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size_t count = zero_reallocs();
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assert_zu_eq(i, count, "Incorrect zero realloc count");
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ptr = realloc(ptr, 0);
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assert_ptr_null(ptr, "Realloc didn't free");
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count = zero_reallocs();
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assert_zu_eq(i + 1, count, "Realloc didn't adjust count");
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}
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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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/*
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* We expect explicit counts; reentrant tests run multiple times, so
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* counts leak across runs.
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*/
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return test_no_reentrancy(
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test_zero_reallocs);
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}
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