+++ /dev/null
-#include <stdlib.h>
-#include <stddef.h>
-#include <tap/tap.h>
-#include "alignof/alignof.h"
-
-/* Alignment is remarkably difficult to test. The rules may be more
- * complex than ALIGNOF() can know: eg. on i386 __alignof__(double) == 8, but
- * __alignof__(struct containing double) == 4.
- *
- * Technically, we can only test that we give *at least* the alignment which
- * naturally occurs, and that accesses work.
- *
- * For the moment, we work around double. */
-struct lots_of_types
-{
- char c;
- short s;
- char c2;
- int i;
- char c3;
- float f;
- char c4;
- double d;
- char c5;
-};
-
-int main(int argc, char *argv[])
-{
- struct lots_of_types lots_of_types, *lp = malloc(sizeof(*lp));
- char c;
- short s;
- char c2;
- int i;
- char c3;
- float f;
- char c4;
- double d;
-
- /* Make sure we use all the variables. */
- c = 0;
- c2 = c3 = c4 = c;
-
- plan_tests(15);
- ok1((unsigned long)&c % ALIGNOF(char) == 0);
- ok1((unsigned long)&s % ALIGNOF(short) == 0);
- ok1((unsigned long)&i % ALIGNOF(int) == 0);
- ok1((unsigned long)&f % ALIGNOF(float) == 0);
- ok1((unsigned long)&d % ALIGNOF(double) == 0);
-
- ok1((unsigned long)&lots_of_types.c % ALIGNOF(char) == 0);
- ok1((unsigned long)&lots_of_types.s % ALIGNOF(short) == 0);
- ok1((unsigned long)&lots_of_types.i % ALIGNOF(int) == 0);
- ok1((unsigned long)&lots_of_types.f % ALIGNOF(float) == 0);
- ok1(offsetof(struct lots_of_types, d) % ALIGNOF(double) == 0);
-
- ok1((unsigned long)&lp->c % ALIGNOF(char) == 0);
- ok1((unsigned long)&lp->s % ALIGNOF(short) == 0);
- ok1((unsigned long)&lp->i % ALIGNOF(int) == 0);
- ok1((unsigned long)&lp->f % ALIGNOF(float) == 0);
- ok1((unsigned long)&lp->d % ALIGNOF(double) == 0);
- exit(exit_status());
-}