1 files changed, 39 insertions, 0 deletions

diff --git a/examples/redis-unstable/deps/jemalloc/test/unit/slab.c b/examples/redis-unstable/deps/jemalloc/test/unit/slab.c
new file mode 100644
index 0000000..70fc5c7
--- /dev/null
+++ b/examples/redis-unstable/deps/jemalloc/test/unit/slab.c
@@ -0,0 +1,39 @@
+#include "test/jemalloc_test.h"
+
+#define INVALID_ARENA_IND ((1U << MALLOCX_ARENA_BITS) - 1)
+
+TEST_BEGIN(test_arena_slab_regind) {
+        szind_t binind;
+
+        for (binind = 0; binind < SC_NBINS; binind++) {
+                size_t regind;
+                edata_t slab;
+                const bin_info_t *bin_info = &bin_infos[binind];
+                edata_init(&slab, INVALID_ARENA_IND,
+                    mallocx(bin_info->slab_size, MALLOCX_LG_ALIGN(LG_PAGE)),
+                    bin_info->slab_size, true,
+                    binind, 0, extent_state_active, false, true, EXTENT_PAI_PAC,
+                    EXTENT_NOT_HEAD);
+                expect_ptr_not_null(edata_addr_get(&slab),
+                    "Unexpected malloc() failure");
+                arena_dalloc_bin_locked_info_t dalloc_info;
+                arena_dalloc_bin_locked_begin(&dalloc_info, binind);
+                for (regind = 0; regind < bin_info->nregs; regind++) {
+                        void *reg = (void *)((uintptr_t)edata_addr_get(&slab) +
+                            (bin_info->reg_size * regind));
+                        expect_zu_eq(arena_slab_regind(&dalloc_info, binind,
+                            &slab, reg),
+                            regind,
+                            "Incorrect region index computed for size %zu",
+                            bin_info->reg_size);
+                }
+                free(edata_addr_get(&slab));
+        }
+}
+TEST_END
+
+int
+main(void) {
+        return test(
+            test_arena_slab_regind);
+}