diff --git a/c/xalloc/xalloc_test.c b/c/xalloc/xalloc_test.c
index f7921a5..1fab1e4 100644
--- a/c/xalloc/xalloc_test.c
+++ b/c/xalloc/xalloc_test.c
@@ -41,6 +41,8 @@ int main(int argc, char *argv[])
 		p[i] = NULL;
 	}
 
+	xclear(&p);
+
 	printf("Success, iterations = %lu, nobj = %lu\n", iterations, nobj);
 
 	return EXIT_SUCCESS;
diff --git a/c/zalloc/zalloc_test.c b/c/zalloc/zalloc_test.c
index 2da738b..65828c1 100644
--- a/c/zalloc/zalloc_test.c
+++ b/c/zalloc/zalloc_test.c
@@ -28,7 +28,7 @@ int main(int argc, char *argv[])
 	for (i = 0; i < iterations; i++) {
 		idx = (size_t)(rand() % (int)nobj);
 		sz = i;
-		p[idx] = zrealloc(p[idx], sz);
+		zrealloc_inplace(&p[idx], sz);
 
 		if (sz && !p[idx]) {
 			fprintf(stderr, "Alloc error at i = %lu\n", i);
@@ -39,6 +39,8 @@ int main(int argc, char *argv[])
 	for (i = 0; i < nobj; i++)
 		zclear(&p[i]);
 
+	zclear(&p);
+
 	printf("Success, iterations = %lu, nobj = %lu\n", iterations, nobj);
 
 	return EXIT_SUCCESS;
diff --git a/c/zalloc_ext/zalloc_ext_test.c b/c/zalloc_ext/zalloc_ext_test.c
index 88097d2..2bb5b6a 100644
--- a/c/zalloc_ext/zalloc_ext_test.c
+++ b/c/zalloc_ext/zalloc_ext_test.c
@@ -35,6 +35,8 @@ int main()
 	zptr4_str = zalloc_append32_str(zptr4_str, (((((('4' << 8) + '4') << 8) + '4') << 8) + '4'));
 	puts(zptr4_str);
 	zptr3 = zalloc_append64(zptr3, 3232423423423LLU);
+	zptr = zalloc_append_ptr(zptr, (void *)93842);
+
 	int64_t i64 = 1561;
 	int i;
 	for (i = 0; i < 8; i++)
@@ -70,6 +72,7 @@ int main()
 	zptr5 = zalloc_insert64(zptr5, 9874, 5478433443LU);
 	zptr6_str = zalloc_insert64_str(zptr6_str, zalloc_size(zptr6_str) - 1, i64);
 	puts(zptr6_str);
+	zptr = zalloc_insert_ptr(zptr, 8, (void *)93842);
 
 	return EXIT_SUCCESS;
 }