empathicqubit/cc65
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Add test case for #1332

Browse source
This commit is contained in:
Jesse Rosenstock 2020-11-15 10:16:32 +01:00 • committed by Oliver Schmidt
parent 2915464667
commit 83ac2755fe
1 changed files with 72 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

72
test/todo/bug1332.c Normal file
View file

@ -0,0 +1,72 @@
/*
Copyright 2020 The cc65 Authors
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
/*
Tests bit-field bug. https://github.com/cc65/cc65/issues/1332
*/
#include <stdio.h>
#include <string.h>
static unsigned char failures = 0;
static const struct bitfield {
unsigned lsb : 1;
unsigned pad : 14;
unsigned msb : 1;
} b = {1, 0, 1};
static unsigned v;
void test_if_val (void)
{
/* Gets appropriate garbage (0x12) into .X so the test fails. */
v = 0x1234;
if (b.msb == 1) {
fprintf (stderr, "if (msb == 1) OK\n");
} else {
fprintf (stderr, "if (msb == 1) FAILED\n");
failures++;
}
}
void test_sprintf (void)
/* This test case is similar to the original bug report. */
{
char buf[10];
snprintf (buf, sizeof (buf), "%u", b.msb);
if (strcmp (buf, "1") != 0) {
fprintf (stderr, "Expected: sprintf (msb) == \"1\", got: %s\n", buf);
failures++;
} else {
fprintf (stderr, "sprintf (msb) OK\n");
}
}
int main (void)
{
test_if_val ();
test_sprintf ();
printf ("failures: %u\n", failures);
return failures;
}