1 /*
2  * Copyright © 2023 Valve Corporation
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the "Software"),
6  * to deal in the Software without restriction, including without limitation
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8  * and/or sell copies of the Software, and to permit persons to whom the
9  * Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice (including the next
12  * paragraph) shall be included in all copies or substantial portions of the
13  * Software.
14  *
15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
21  * IN THE SOFTWARE.
22  *
23  */
24 
25 #include <gtest/gtest.h>
26 #include "util/ralloc.h"
27 
28 #if defined(__LP64__) || defined(_WIN64)
29 #define HEADER_ALIGN 16
30 #else
31 #define HEADER_ALIGN 8
32 #endif
33 
TEST(gc_alloc,align)34 TEST(gc_alloc, align)
35 {
36    for (size_t size = 4; size <= 256; size += 4) {
37       for (size_t align = 4; align <= HEADER_ALIGN; align *= 2) {
38          gc_ctx *ctx = gc_context(NULL);
39 
40          for (unsigned i = 0; i < 16; i++) {
41             uintptr_t ptr = (uintptr_t)gc_alloc_size(ctx, size, align);
42             EXPECT_EQ(ptr % align, 0);
43          }
44 
45          ralloc_free(ctx);
46       }
47    }
48 }
49