4  * SPDX-License-Identifier: Apache-2.0
20  * are returned low-address to high, and that freed blocks are merged
26 	void *p, *q, *r, *s;  in check_heap_align()  local
28 	p = sys_heap_alloc(h, prefix);  in check_heap_align()
29 	zassert_true(prefix == 0 || p != NULL, "prefix allocation failed");  in check_heap_align()
33 	zassert_true((((uintptr_t)q) & (align - 1)) == 0, "block not aligned");  in check_heap_align()
37 	zassert_true((((uintptr_t)r) & (align - 1)) == 0, "block not aligned");  in check_heap_align()
42 	s = sys_heap_alloc(h, (heap_end - (uint8_t *)r) - size - 8);  in check_heap_align()
46 	sys_heap_free(h, p);  in check_heap_align()
53 	p = sys_heap_alloc(h, heap_end - heap_start);  in check_heap_align()
54 	zassert_true(p != NULL, "heap not empty");  in check_heap_align()
57 	sys_heap_free(h, p);  in check_heap_align()
63 	void *p, *q;  in ZTEST()  local
67 	p = sys_heap_alloc(&heap, 1);  in ZTEST()
68 	zassert_true(p != NULL, "initial alloc failed");  in ZTEST()
69 	sys_heap_free(&heap, p);  in ZTEST()
71 	/* Heap starts where that first chunk was, and ends one 8-byte  in ZTEST()
74 	heap_start = p;  in ZTEST()
75 	heap_end = heapmem + HEAP_SZ - 8;  in ZTEST()
86 	p = sys_heap_aligned_alloc(&heap, 8, 12);  in ZTEST()
87 	memset(p, 0, 12);  in ZTEST()
89 	sys_heap_free(&heap, p);  in ZTEST()
92 	p = sys_heap_aligned_alloc(&heap, 16, 16);  in ZTEST()
94 	memset(p, 0, 16);  in ZTEST()
97 	sys_heap_free(&heap, p);  in ZTEST()