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#include <usual/base.h>
#include "test_common.h"
#include <string.h>
struct somestruct {
char a, b, c;
};
static void test_ptr(void *p)
{
/* offsetof */
int_check(offsetof(struct somestruct, a), 0);
int_check(offsetof(struct somestruct, b), 1);
int_check(offsetof(struct somestruct, c), 2);
/* container_of */
{
struct somestruct s = {'a', 'b', 'c'};
char *pa = &s.a;
char *pb = &s.b;
char *pc = &s.c;
struct somestruct *sa, *sb, *sc;
sa = container_of(pa, struct somestruct, a);
sb = container_of(pb, struct somestruct, b);
sc = container_of(pc, struct somestruct, c);
int_check(sa->a, 'a');
int_check(sb->b, 'b');
int_check(sc->c, 'c');
}
/* alignof */
int_check(alignof(char), 1);
int_check(alignof(short), 2);
int_check(alignof(int), 4);
/* CUSTOM_ALIGN */
int_check(CUSTOM_ALIGN(1, 4), 4);
int_check(CUSTOM_ALIGN(2, 4), 4);
int_check(CUSTOM_ALIGN(3, 4), 4);
int_check(CUSTOM_ALIGN(4, 4), 4);
int_check(CUSTOM_ALIGN(5, 4), 8);
end: ;
}
#ifdef _PACKED
struct packed {
char a;
int b;
char c;
short d;
} _PACKED;
#endif
static void test_misc(void *_p)
{
int i_4[4];
int i_2[2];
short s_4[4];
short s_2[2];
int_check(ARRAY_NELEM(i_4), 4);
int_check(ARRAY_NELEM(i_2), 2);
int_check(ARRAY_NELEM(s_4), 4);
int_check(ARRAY_NELEM(s_2), 2);
int_check(strcmp(__func__, "test_misc"), 0);
#ifdef _PACKED
int_check(sizeof(struct packed), 8);
#endif
end: ;
}
#pragma GCC diagnostic push
#if defined(__GNUC__) && !defined(__clang__) && __GNUC__ >= 9
#pragma GCC diagnostic ignored "-Walloc-size-larger-than="
#endif
static void test_reallocarray(void *_p)
{
void *p;
p = reallocarray(NULL, 1, 1); tt_assert(p); free(p);
p = reallocarray(NULL, SIZE_MAX, SIZE_MAX); tt_assert(p == NULL);
end: ;
}
#pragma GCC diagnostic pop
struct testcase_t base_tests[] = {
{ "ptr", test_ptr },
{ "misc", test_misc },
{ "reallocarray", test_reallocarray },
END_OF_TESTCASES
};
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