#include "test/jemalloc_test.h"

#include "jemalloc/internal/peak.h"

TEST_BEGIN(test_peak) {
       peak_t peak = PEAK_INITIALIZER;
       expect_u64_eq(0, peak_max(&peak),
           "Peak should be zero at initialization");
       peak_update(&peak, 100, 50);
       expect_u64_eq(50, peak_max(&peak),
           "Missed update");
       peak_update(&peak, 100, 100);
       expect_u64_eq(50, peak_max(&peak), "Dallocs shouldn't change peak");
       peak_update(&peak, 100, 200);
       expect_u64_eq(50, peak_max(&peak), "Dallocs shouldn't change peak");
       peak_update(&peak, 200, 200);
       expect_u64_eq(50, peak_max(&peak), "Haven't reached peak again");
       peak_update(&peak, 300, 200);
       expect_u64_eq(100, peak_max(&peak), "Missed an update.");
       peak_set_zero(&peak, 300, 200);
       expect_u64_eq(0, peak_max(&peak), "No effect from zeroing");
       peak_update(&peak, 300, 300);
       expect_u64_eq(0, peak_max(&peak), "Dalloc shouldn't change peak");
       peak_update(&peak, 400, 300);
       expect_u64_eq(0, peak_max(&peak), "Should still be net negative");
       peak_update(&peak, 500, 300);
       expect_u64_eq(100, peak_max(&peak), "Missed an update.");
       /*
        * Above, we set to zero while a net allocator; let's try as a
        * net-deallocator.
        */
       peak_set_zero(&peak, 600, 700);
       expect_u64_eq(0, peak_max(&peak), "No effect from zeroing.");
       peak_update(&peak, 600, 800);
       expect_u64_eq(0, peak_max(&peak), "Dalloc shouldn't change peak.");
       peak_update(&peak, 700, 800);
       expect_u64_eq(0, peak_max(&peak), "Should still be net negative.");
       peak_update(&peak, 800, 800);
       expect_u64_eq(100, peak_max(&peak), "Missed an update.");
}
TEST_END

int
main(void) {
       return test_no_reentrancy(
           test_peak);
}