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64 lines
1.7 KiB
C
64 lines
1.7 KiB
C
/*
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Copyright 2020 The cc65 Authors
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This software is provided 'as-is', without any express or implied
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warranty. In no event will the authors be held liable for any damages
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arising from the use of this software.
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Permission is granted to anyone to use this software for any purpose,
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including commercial applications, and to alter it and redistribute it
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freely, subject to the following restrictions:
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1. The origin of this software must not be misrepresented; you must not
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claim that you wrote the original software. If you use this software
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in a product, an acknowledgment in the product documentation would be
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appreciated but is not required.
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2. Altered source versions must be plainly marked as such, and must not be
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misrepresented as being the original software.
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3. This notice may not be removed or altered from any source distribution.
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*/
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/*
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Tests that plain int bit-fields are unsigned.
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*/
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#include <stdio.h>
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static unsigned char failures = 0;
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static struct plain_ints {
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int x : 4;
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int y : 10;
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} pi = {15, 700};
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static void test_plain_int_bitfields (void)
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{
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if (pi.x != 15) {
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printf ("Got pi.x = %u, expected 15.\n", pi.x);
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failures++;
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}
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if (pi.y != 700) {
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printf ("Got pi.y = %u, expected 700.\n", pi.y);
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failures++;
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}
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pi.x = 3;
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pi.y = 1023;
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if (pi.x != 3) {
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printf ("Got pi.x = %u, expected 3.\n", pi.x);
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failures++;
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}
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if (pi.y != 1023) {
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printf ("Got pi.y = %u, expected 1023.\n", pi.y);
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failures++;
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}
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}
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int main (void)
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{
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test_plain_int_bitfields ();
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printf ("failures: %u\n", failures);
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return failures;
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}
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