mirror of
https://github.com/cc65/cc65.git
synced 2024-12-25 17:29:50 +00:00
73 lines
2.1 KiB
C
73 lines
2.1 KiB
C
/*
|
|
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 of passing _Static_asserts.
|
|
**/
|
|
|
|
|
|
|
|
#include <assert.h>
|
|
|
|
_Static_assert (1, "1 should be true.");
|
|
_Static_assert (1); /* Support C2x syntax with no message. */
|
|
_Static_assert (!0, "!0 should be true.");
|
|
_Static_assert (1 == 1, "1 == 1 should be true.");
|
|
_Static_assert (1 == 1L, "1 == 1L should be true.");
|
|
_Static_assert (1 != 0, "1 != 0 should be true.");
|
|
_Static_assert (sizeof (char) == 1, "sizeof (char) should be 1.");
|
|
_Static_assert (sizeof (int) == 2, "sizeof (int) should be 2.");
|
|
|
|
/* Make sure we can also do structs. */
|
|
struct sc { char a; };
|
|
_Static_assert (sizeof (struct sc) == 1, "sizeof (struct sc) should be 1.");
|
|
struct si { int a; };
|
|
_Static_assert (sizeof (struct si) == 2, "sizeof (struct si) should be 2.");
|
|
|
|
/* Try enums. */
|
|
enum { k = 1 };
|
|
_Static_assert (k == 1, "k should be 1.");
|
|
|
|
/* Just test the macro version once. */
|
|
static_assert (1, "1 should be true.");
|
|
static_assert (1);
|
|
|
|
/* _Static_assert can appear anywhere a declaration can. */
|
|
void f (void)
|
|
{
|
|
_Static_assert (1, "1 should still be true.");
|
|
if (1) {
|
|
_Static_assert (1, "1 should still be true.");
|
|
}
|
|
}
|
|
|
|
/* _Static_assert can also appear in structs. */
|
|
struct S {
|
|
int a;
|
|
_Static_assert (1, "1 should still be true.");
|
|
int b;
|
|
};
|
|
|
|
|
|
int main (void)
|
|
{
|
|
return 0;
|
|
}
|