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#include <ccan/pushpull/pushpull.h>
/* Include the C files directly. */
#include <ccan/pushpull/push.c>
#include <ccan/pushpull/pull.c>
#include <ccan/tap/tap.h>
struct foo {
uint64_t vu64;
uint32_t vu32;
uint16_t vu16;
uint8_t vu8;
unsigned char vuchar;
int64_t vs64;
int32_t vs32;
int16_t vs16;
int8_t vs8;
char vchar;
char bytes[100];
};
static void *fail_reallocfn(void *ptr, size_t size)
{
return NULL;
}
static bool push_foo(char **p, size_t *len, const struct foo *foo)
{
return push_u64(p, len, foo->vu64) &&
push_u32(p, len, foo->vu32) &&
push_u16(p, len, foo->vu16) &&
push_u8(p, len, foo->vu8) &&
push_uchar(p, len, foo->vuchar) &&
push_s64(p, len, foo->vs64) &&
push_s32(p, len, foo->vs32) &&
push_s16(p, len, foo->vs16) &&
push_s8(p, len, foo->vs8) &&
push_char(p, len, foo->vchar) &&
push_bytes(p, len, foo->bytes, sizeof(foo->bytes));
}
static bool pull_foo(const char **p, size_t *len, struct foo *foo)
{
int ret;
ret = pull_u64(p, len, &foo->vu64) +
pull_u32(p, len, &foo->vu32) +
pull_u16(p, len, &foo->vu16) +
pull_u8(p, len, &foo->vu8) +
pull_uchar(p, len, &foo->vuchar) +
pull_s64(p, len, &foo->vs64) +
pull_s32(p, len, &foo->vs32) +
pull_s16(p, len, &foo->vs16) +
pull_s8(p, len, &foo->vs8) +
pull_char(p, len, &foo->vchar) +
pull_bytes(p, len, foo->bytes, sizeof(foo->bytes));
if (ret != 11)
ok1(len == 0 && *p == NULL);
return ret == 11;
}
static bool foo_equal(const struct foo *f1, const struct foo *f2)
{
return f1->vu64 == f2->vu64 &&
f1->vu32 == f2->vu32 &&
f1->vu16 == f2->vu16 &&
f1->vu8 == f2->vu8 &&
f1->vuchar == f2->vuchar &&
f1->vs64 == f2->vs64 &&
f1->vs32 == f2->vs32 &&
f1->vs16 == f2->vs16 &&
f1->vs8 == f2->vs8 &&
f1->vchar == f2->vchar &&
memcmp(f1->bytes, f2->bytes, sizeof(f1->bytes)) == 0;
}
int main(void)
{
char *buffer;
const char *p;
size_t len, left;
struct foo *foo, *foo2;
/* This is how many tests you plan to run */
plan_tests(17);
/* Valgrind will make sure we don't read padding! */
foo = malloc(sizeof(*foo));
foo->vu64 = 0x01020304050607ULL;
foo->vu32 = 0x08090a0b;
foo->vu16 = 0x0c0d;
foo->vu8 = 0x0e;
foo->vuchar = 0x0f;
foo->vs64 = -0x1011121314151617LL;
foo->vs32 = -0x18191a1b;
foo->vs16 = -0x1c1d;
foo->vs8 = -0x1e;
foo->vchar = -0x1f;
memset(foo->bytes, 0x20, sizeof(foo->bytes));
strcpy(foo->bytes, "This is a test");
buffer = malloc(1);
len = 0;
ok1(push_foo(&buffer, &len, foo));
ok1(len <= sizeof(*foo));
/* Triggers valgrind's uninitialized value warning */
ok1(!memchr(buffer, 0x21, len));
p = buffer;
left = len;
foo2 = malloc(sizeof(*foo2));
ok1(pull_foo(&p, &left, foo2));
ok1(left == 0);
ok1(p == buffer + len);
ok1(foo_equal(foo, foo2));
/* Too-small for pull, it should fail and set ptr/len to 0 */
p = buffer;
left = 0;
ok1(!pull_u64(&p, &left, &foo2->vu64));
ok1(p == NULL && left == 0);
/* Shouldn't change field! */
ok1(foo_equal(foo, foo2));
left = 7;
ok1(!pull_u64(&p, &left, &foo2->vu64));
ok1(p == NULL && left == 0);
/* Shouldn't change field! */
ok1(foo_equal(foo, foo2));
/* Discard should work. */
left = len;
ok1(pull_bytes(&p, &left, NULL, sizeof(foo->bytes)));
ok1(left == len - sizeof(foo->bytes));
/* Push failures should be clean. */
push_set_realloc(fail_reallocfn);
p = buffer;
left = len;
ok1(!push_u64(&buffer, &left, foo->vu64));
ok1(p == buffer && left == len);
free(buffer);
free(foo);
free(foo2);
/* This exits depending on whether all tests passed */
return exit_status();
}
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