mirror of
https://github.com/cc65/cc65.git
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181 lines
4.6 KiB
C
181 lines
4.6 KiB
C
/*
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Copyright 2020-2022 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 bit-fields are unsigned; see issues below
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- unsigned integer types by default: https://github.com/cc65/cc65/issues/1095
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- char bit-field support: https://github.com/cc65/cc65/issues/1047
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- long bit-field support: https://github.com/cc65/cc65/issues/1131
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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 = %ld, expected 15.\n", (long)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 = %ld, expected 700.\n", (long)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 = %ld, expected 3.\n", (long)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 = %ld, expected 1023.\n", (long)pi.y);
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failures++;
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}
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}
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static struct plain_shorts {
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short x : 4;
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short y : 10;
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} ps = {15, 700};
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static void test_plain_short_bitfields (void)
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{
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if (ps.x != 15) {
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printf ("Got ps.x = %ld, expected 15.\n", (long)ps.x);
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failures++;
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}
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if (ps.y != 700) {
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printf ("Got ps.y = %ld, expected 700.\n", (long)ps.y);
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failures++;
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}
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ps.x = 3;
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ps.y = 1023;
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if (ps.x != 3) {
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printf ("Got ps.x = %ld, expected 3.\n", (long)ps.x);
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failures++;
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}
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if (ps.y != 1023) {
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printf ("Got ps.y = %ld, expected 1023.\n", (long)ps.y);
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failures++;
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}
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}
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static struct plain_chars {
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char x : 4;
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} pc = {15};
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static void test_plain_char_bitfields (void)
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{
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if (pc.x != 15) {
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printf ("Got pc.x = %ld, expected 15.\n", (long)pc.x);
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failures++;
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}
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pc.x = 3;
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if (pc.x != 3) {
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printf ("Got pc.x = %ld, expected 3.\n", (long)pc.x);
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failures++;
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}
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}
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static struct plain_longs {
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long x : 4;
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long y : 10;
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long z : 18;
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} pl = {15, 700, 200000};
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static void test_plain_long_bitfields (void)
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{
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if (pl.x != 15) {
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if (pl.x < 0) {
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printf ("Got pl.x = %ld, expected 15.\n", (long)pl.x);
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} else {
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printf ("Got pl.x = %lu, expected 15.\n", (unsigned long)pl.x);
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}
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failures++;
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}
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if (pl.y != 700) {
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if (pl.y < 0) {
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printf ("Got pl.y = %ld, expected 700.\n", (long)pl.y);
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} else {
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printf ("Got pl.y = %lu, expected 700.\n", (unsigned long)pl.y);
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}
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failures++;
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}
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if (pl.z != 200000) {
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if (pl.z < 0) {
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printf ("Got pl.z = %ld, expected 200000.\n", (long)pl.z);
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} else {
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printf ("Got pl.z = %lu, expected 200000.\n", (unsigned long)pl.z);
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}
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failures++;
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}
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pl.x = 3;
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pl.y = 1023;
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pl.z = 262143;
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if (pl.x != 3) {
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if (pl.x < 0) {
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printf ("Got pl.x = %ld, expected 3.\n", (long)pl.x);
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} else {
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printf ("Got pl.x = %lu, expected 3.\n", (unsigned long)pl.x);
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}
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failures++;
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}
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if (pl.y != 1023) {
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if (pl.y < 0) {
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printf ("Got pl.y = %ld, expected 1023.\n", (long)pl.y);
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} else {
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printf ("Got pl.y = %lu, expected 1023.\n", (unsigned long)pl.y);
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}
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failures++;
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}
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if (pl.z != 262143) {
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if (pl.z < 0) {
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printf ("Got pl.z = %ld, expected 262143.\n", (long)pl.z);
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} else {
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printf ("Got pl.z = %lu, expected 262143.\n", (unsigned long)pl.z);
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}
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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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test_plain_short_bitfields ();
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test_plain_char_bitfields ();
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test_plain_long_bitfields ();
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printf ("failures: %u\n", failures);
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return failures;
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}
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