1 files changed, 47 insertions, 0 deletions

diff --git a/examples/redis-unstable/deps/jemalloc/test/unit/peak.c b/examples/redis-unstable/deps/jemalloc/test/unit/peak.c
new file mode 100644
index 0000000..1112978
--- /dev/null
+++ b/examples/redis-unstable/deps/jemalloc/test/unit/peak.c
@@ -0,0 +1,47 @@
+#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);
+}