1 | /* Test and measure memcpy functions. |
2 | Copyright (C) 1999-2022 Free Software Foundation, Inc. |
3 | This file is part of the GNU C Library. |
4 | |
5 | The GNU C Library is free software; you can redistribute it and/or |
6 | modify it under the terms of the GNU Lesser General Public |
7 | License as published by the Free Software Foundation; either |
8 | version 2.1 of the License, or (at your option) any later version. |
9 | |
10 | The GNU C Library is distributed in the hope that it will be useful, |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
13 | Lesser General Public License for more details. |
14 | |
15 | You should have received a copy of the GNU Lesser General Public |
16 | License along with the GNU C Library; if not, see |
17 | <https://www.gnu.org/licenses/>. */ |
18 | |
19 | /* test-memcpy-support.h contains all test functions. */ |
20 | #include "test-memcpy-support.h" |
21 | |
22 | static void |
23 | do_random_large_tests (void) |
24 | { |
25 | size_t i, align1, align2, size; |
26 | for (i = 0; i < 32; ++i) |
27 | { |
28 | align1 = random (); |
29 | align2 = random (); |
30 | size = (random () % 0x1000000) + 0x200000; |
31 | do_test1 (align1, align2, size); |
32 | } |
33 | |
34 | for (i = 0; i < 128; ++i) |
35 | { |
36 | align1 = random (); |
37 | align2 = random (); |
38 | size = (random () % 32768) + 4096; |
39 | do_test1 (align1, align2, size); |
40 | } |
41 | } |
42 | |
43 | int |
44 | test_main (void) |
45 | { |
46 | size_t i, j; |
47 | |
48 | test_init (); |
49 | |
50 | printf (format: "%23s" , "" ); |
51 | FOR_EACH_IMPL (impl, 0) |
52 | printf (format: "\t%s" , impl->name); |
53 | putchar (c: '\n'); |
54 | |
55 | do_test (align1: 0, align2: 0, len: getpagesize () - 1); |
56 | |
57 | for (i = 0x200000; i <= 0x2000000; i += i) |
58 | { |
59 | for (j = 64; j <= 1024; j <<= 1) |
60 | { |
61 | do_test1 (align1: 0, align2: j, size: i); |
62 | do_test1 (align1: 4095, align2: j, size: i); |
63 | do_test1 (align1: 4096 - j, align2: 0, size: i); |
64 | |
65 | do_test1 (align1: 0, align2: j - 1, size: i); |
66 | do_test1 (align1: 4095, align2: j - 1, size: i); |
67 | do_test1 (align1: 4096 - j - 1, align2: 0, size: i); |
68 | |
69 | do_test1 (align1: 0, align2: j + 1, size: i); |
70 | do_test1 (align1: 4095, align2: j + 1, size: i); |
71 | do_test1 (align1: 4096 - j, align2: 1, size: i); |
72 | |
73 | do_test1 (align1: 0, align2: j, size: i + 1); |
74 | do_test1 (align1: 4095, align2: j, size: i + 1); |
75 | do_test1 (align1: 4096 - j, align2: 0, size: i + 1); |
76 | |
77 | do_test1 (align1: 0, align2: j - 1, size: i + 1); |
78 | do_test1 (align1: 4095, align2: j - 1, size: i + 1); |
79 | do_test1 (align1: 4096 - j - 1, align2: 0, size: i + 1); |
80 | |
81 | do_test1 (align1: 0, align2: j + 1, size: i + 1); |
82 | do_test1 (align1: 4095, align2: j + 1, size: i + 1); |
83 | do_test1 (align1: 4096 - j, align2: 1, size: i + 1); |
84 | |
85 | do_test1 (align1: 0, align2: j, size: i - 1); |
86 | do_test1 (align1: 4095, align2: j, size: i - 1); |
87 | do_test1 (align1: 4096 - j, align2: 0, size: i - 1); |
88 | |
89 | do_test1 (align1: 0, align2: j - 1, size: i - 1); |
90 | do_test1 (align1: 4095, align2: j - 1, size: i - 1); |
91 | do_test1 (align1: 4096 - j - 1, align2: 0, size: i - 1); |
92 | |
93 | do_test1 (align1: 0, align2: j + 1, size: i - 1); |
94 | do_test1 (align1: 4095, align2: j + 1, size: i - 1); |
95 | do_test1 (align1: 4096 - j, align2: 1, size: i - 1); |
96 | } |
97 | } |
98 | |
99 | do_random_large_tests (); |
100 | return ret; |
101 | } |
102 | |
103 | #include <support/test-driver.c> |
104 | |