1 files changed, 33 insertions, 0 deletions
diff --git a/deps/jemalloc/test/unit/slab.c b/deps/jemalloc/test/unit/slab.c
new file mode 100644
index 0000000..c56af25
--- /dev/null
+++ b/deps/jemalloc/test/unit/slab.c
@@ -0,0 +1,33 @@
+#include "test/jemalloc_test.h"
+
+TEST_BEGIN(test_arena_slab_regind) {
+	szind_t binind;
+
+	for (binind = 0; binind < SC_NBINS; binind++) {
+		size_t regind;
+		extent_t slab;
+		const bin_info_t *bin_info = &bin_infos[binind];
+		extent_init(&slab, NULL, mallocx(bin_info->slab_size,
+		    MALLOCX_LG_ALIGN(LG_PAGE)), bin_info->slab_size, true,
+		    binind, 0, extent_state_active, false, true, true,
+		    EXTENT_NOT_HEAD);
+		assert_ptr_not_null(extent_addr_get(&slab),
+		    "Unexpected malloc() failure");
+		for (regind = 0; regind < bin_info->nregs; regind++) {
+			void *reg = (void *)((uintptr_t)extent_addr_get(&slab) +
+			    (bin_info->reg_size * regind));
+			assert_zu_eq(arena_slab_regind(&slab, binind, reg),
+			    regind,
+			    "Incorrect region index computed for size %zu",
+			    bin_info->reg_size);
+		}
+		free(extent_addr_get(&slab));
+	}
+}
+TEST_END
+
+int
+main(void) {
+	return test(
+	    test_arena_slab_regind);
+}