wayland/tests/array-test.c
2012-04-13 10:11:11 -04:00

139 lines
3.5 KiB
C

/*
* Copyright © 2012 Intel Corporation
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided that
* the above copyright notice appear in all copies and that both that copyright
* notice and this permission notice appear in supporting documentation, and
* that the name of the copyright holders not be used in advertising or
* publicity pertaining to distribution of the software without specific,
* written prior permission. The copyright holders make no representations
* about the suitability of this software for any purpose. It is provided "as
* is" without express or implied warranty.
*
* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
* EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
* OF THIS SOFTWARE.
*/
#include <stdlib.h>
#include <assert.h>
#include "../src/wayland-private.h"
#include "test-runner.h"
TEST(array_init)
{
const int iterations = 4122; /* this is arbitrary */
int i;
/* Init array an arbitray amount of times and verify the
* defaults are sensible. */
for (i = 0; i < iterations; i++) {
struct wl_array array;
wl_array_init(&array);
assert(array.size == 0);
assert(array.alloc == 0);
assert(array.data == 0);
}
}
TEST(array_add)
{
struct mydata {
unsigned int a;
unsigned int b;
double c;
double d;
};
const unsigned int iterations = 1321; /* this is arbitrary */
const int datasize = sizeof(struct mydata);
struct wl_array array;
size_t i;
wl_array_init(&array);
/* add some data */
for (i = 0; i < iterations; i++) {
struct mydata* ptr = wl_array_add(&array, datasize);
assert((i + 1) * datasize == array.size);
ptr->a = i * 3;
ptr->b = 20000 - i;
ptr->c = (double)(i);
ptr->d = (double)(i / 2.);
}
/* verify the data */
for (i = 0; i < iterations; ++i) {
const int index = datasize * i;
struct mydata* check = (struct mydata*)(array.data + index);
assert(check->a == i * 3);
assert(check->b == 20000 - i);
assert(check->c == (double)(i));
assert(check->d == (double)(i/2.));
}
wl_array_release(&array);
}
TEST(array_copy)
{
const int iterations = 1529; /* this is arbitrary */
struct wl_array source;
struct wl_array copy;
int i;
wl_array_init(&source);
/* add some data */
for (i = 0; i < iterations; i++) {
int *p = wl_array_add(&source, sizeof(int));
*p = i * 2 + i;
}
/* copy the array */
wl_array_init(&copy);
wl_array_copy(&copy, &source);
/* check the copy */
for (i = 0; i < iterations; i++) {
const int index = sizeof(int) * i;
int *s = (int *)(source.data + index);
int *c = (int *)(copy.data + index);
assert(*s == *c); /* verify the values are the same */
assert(s != c); /* ensure the addresses aren't the same */
assert(*s == i * 2 + i); /* sanity check */
}
wl_array_release(&source);
wl_array_release(&copy);
}
TEST(array_for_each)
{
static const int elements[] = { 77, 12, 45192, 53280, 334455 };
struct wl_array array;
int *p, i;
wl_array_init(&array);
for (i = 0; i < 5; i++) {
p = wl_array_add(&array, sizeof *p);
*p = elements[i];
}
i = 0;
wl_array_for_each(p, &array)
assert(*p == elements[i++]);
assert(i == 5);
wl_array_release(&array);
}