--- /dev/null
+++ libmalloc/libmalloc-409.81.2/tests/xctests/magazine_small_tests.m
@@ -0,0 +1,42 @@
+#import "internal.h"
+
+#import <XCTest/XCTest.h>
+
+#define XCTAssertNotNull(ptr) XCTAssertNotEqual(ptr, NULL)
+
+@interface magazine_small_tests : XCTestCase {
+@private
+	struct rack_s small_rack;
+}
+@end
+
+@implementation magazine_small_tests
+
+- (void)setUp {
+	memset(&small_rack, 'a', sizeof(small_rack));
+	rack_init(&small_rack, RACK_TYPE_SMALL, 1, 0);
+}
+
+- (void *)small_malloc:(size_t)size {
+	return small_malloc_should_clear(&small_rack, SMALL_MSIZE_FOR_BYTES(size), false);
+}
+
+- (void)testSmallMallocSucceeds {
+	XCTAssertNotNull([self small_malloc:512]);
+}
+
+- (void)testSmallRegionFoundAfterMalloc {
+	void *ptr = [self small_malloc:512];
+	XCTAssertNotNull(ptr);
+
+	XCTAssertNotNull(small_region_for_ptr_no_lock(&small_rack, ptr));
+}
+
+- (void)testSmallSizeMatchesMalloc {
+	void *ptr = [self small_malloc:512];
+	XCTAssertNotNull(ptr);
+
+	XCTAssertEqual(small_size(&small_rack, ptr), 512);
+}
+
+@end