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_Static_assert(1, "global ok");
struct foo {
_Static_assert(1, "struct ok");
};
void bar(void)
{
_Static_assert(1, " func1 ok");
int i;
i = 0;
_Static_assert(1, " func2 ok");
if (1) {
_Static_assert(1, " func3 ok");
}
}
_Static_assert(0, "expected assertion failure");
static int f;
_Static_assert(f, "non-constant expression");
static int *p;
_Static_assert(p, "non-integer expression");
_Static_assert(0.1, "float expression");
_Static_assert(!0 == 1, "non-trivial expression");
static char array[4];
_Static_assert(sizeof(array) == 4, "sizeof expression");
static const char non_literal_string[] = "non literal string";
_Static_assert(0, non_literal_string);
_Static_assert(1 / 0, "invalid expression: should not show up?");
struct s {
char arr[16];
_Static_assert(1, "inside struct");
};
union u {
char c;
int i;
_Static_assert(1, "inside union");
};
_Static_assert(sizeof(struct s) == 16, "sizeof assertion");
_Static_assert(1, );
_Static_assert(, "");
_Static_assert(,);
// C2x's version: without message
_Static_assert(1);
_Static_assert(0);
/*
* check-name: static assertion
*
* check-error-start
static_assert.c:19:16: error: static assertion failed: "expected assertion failure"
static_assert.c:22:16: error: bad constant expression
static_assert.c:25:16: error: bad constant expression
static_assert.c:27:16: error: bad constant expression
static_assert.c:35:19: error: string literal expected for _Static_assert()
static_assert.c:37:18: error: bad constant expression
static_assert.c:52:19: error: string literal expected for _Static_assert()
static_assert.c:53:16: error: Expected constant expression
static_assert.c:54:16: error: Expected constant expression
static_assert.c:54:17: error: string literal expected for _Static_assert()
static_assert.c:58:16: error: static assertion failed
* check-error-end
*/
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