diff --git a/tests/test.c b/tests/test.c
index 635e125..4bfafe0 100644
--- a/tests/test.c
+++ b/tests/test.c
@@ -38,12 +38,20 @@ void testPhymem(void)
 	unrefPhyPage((ulong)page);
 }
 
+static void *testAllocNSet(size_t size)
+{
+	void *allocated = malloc(size);
+	assert(allocated);
+	memset(allocated, size, size);
+	return allocated;
+}
+
 static void testAlloc(void)
 {
-	for( uint i = 0; i < PAGE_SIZE/(sizeof(struct slabEntry)); i++){
+	for (uint i = 0; i < PAGE_SIZE / (sizeof(struct slabEntry)); i++) {
 		malloc(sizeof(struct slabEntry));
 	}
-	for( uint i = 0; i < PAGE_SIZE/(sizeof(struct slabDesc)); i++){
+	for (uint i = 0; i < PAGE_SIZE / (sizeof(struct slabDesc)); i++) {
 		malloc(sizeof(struct slabDesc));
 	}
 	assert(malloc(1));
@@ -56,14 +64,32 @@ static void testAlloc(void)
 	free(malloc2);
 	void *malloc3 = malloc(sizeof(void *));
 	assertmsg((char *)malloc2 == (char *)malloc3, " %d %d\n", malloc2, malloc3);
-	assert(malloc(1024));
-	assert(malloc(1024));
-	assert(malloc(1024));
-	assert(malloc(1024));
-	assert(malloc(1024));
-	assert(malloc(1024));
-	assert(malloc(2048));
-	//assert(malloc(4096));
+	void *alloc1 = testAllocNSet(1024);
+	void *alloc2 = testAllocNSet(1024);
+	void *alloc3 = testAllocNSet(1024);
+	void *alloc4 = testAllocNSet(1024);
+	void *alloc5 = testAllocNSet(1024);
+	void *alloc6 = testAllocNSet(1024);
+	void *alloc7 = testAllocNSet(4096);
+	free(alloc1);
+	free(alloc2);
+	free(alloc3);
+	free(alloc4);
+	free(alloc5);
+	free(alloc6);
+	free(alloc7);
+	void *alloc11 = testAllocNSet(1024);
+	void *alloc12 = testAllocNSet(1024);
+	void *alloc13 = testAllocNSet(1024);
+	void *alloc14 = testAllocNSet(1024);
+	void *alloc15 = testAllocNSet(1024);
+	void *alloc16 = testAllocNSet(1024);
+	free(alloc11);
+	free(alloc12);
+	free(alloc13);
+	free(alloc14);
+	free(alloc15);
+	free(alloc16);
 }
 
 static void testPaging(void)