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78 lines
2.3 KiB
C
78 lines
2.3 KiB
C
/* Test of stdc_memreverse8 function.
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Copyright (C) 2026 Free Software Foundation, Inc.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>. */
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/* Written by Bruno Haible <bruno@clisp.org>, 2026. */
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#include <config.h>
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/* Specification. */
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#include <stdbit.h>
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#include "macros.h"
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static unsigned char data[10] =
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{ 0x12, 0x31, 0x47, 0xBF, 0xC4, 0xD3, 0xEE, 0xF1, 0x90, 0x44 };
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static unsigned char *volatile ptr;
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int
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main (void)
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{
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ptr = data;
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stdc_memreverse8 (0, ptr + 5);
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/* Expect: 0x12, 0x31, 0x47, 0xBF, 0xC4, 0xD3, 0xEE, 0xF1, 0x90, 0x44 */
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ASSERT (ptr[4] == 0xC4);
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ASSERT (ptr[5] == 0xD3);
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stdc_memreverse8 (1, ptr + 5);
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/* Expect: 0x12, 0x31, 0x47, 0xBF, 0xC4, 0xD3, 0xEE, 0xF1, 0x90, 0x44 */
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ASSERT (ptr[4] == 0xC4);
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ASSERT (ptr[5] == 0xD3);
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ASSERT (ptr[6] == 0xEE);
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stdc_memreverse8 (2, ptr + 5);
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/* Expect: 0x12, 0x31, 0x47, 0xBF, 0xC4, 0xEE, 0xD3, 0xF1, 0x90, 0x44 */
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ASSERT (ptr[4] == 0xC4);
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ASSERT (ptr[5] == 0xEE);
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ASSERT (ptr[6] == 0xD3);
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ASSERT (ptr[7] == 0xF1);
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stdc_memreverse8 (4, ptr + 3);
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/* Expect: 0x12, 0x31, 0x47, 0xD3, 0xEE, 0xC4, 0xBF, 0xF1, 0x90, 0x44 */
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ASSERT (ptr[2] == 0x47);
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ASSERT (ptr[3] == 0xD3);
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ASSERT (ptr[4] == 0xEE);
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ASSERT (ptr[5] == 0xC4);
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ASSERT (ptr[6] == 0xBF);
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ASSERT (ptr[7] == 0xF1);
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stdc_memreverse8 (8, ptr + 1);
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/* Expect: 0x12, 0x90, 0xF1, 0xBF, 0xC4, 0xEE, 0xD3, 0x47, 0x31, 0x44 */
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ASSERT (ptr[0] == 0x12);
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ASSERT (ptr[1] == 0x90);
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ASSERT (ptr[2] == 0xF1);
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ASSERT (ptr[3] == 0xBF);
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ASSERT (ptr[4] == 0xC4);
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ASSERT (ptr[5] == 0xEE);
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ASSERT (ptr[6] == 0xD3);
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ASSERT (ptr[7] == 0x47);
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ASSERT (ptr[8] == 0x31);
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ASSERT (ptr[9] == 0x44);
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return test_exit_status;
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}
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