1 /*
2  * Copyright © 2012 Intel Corporation
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining
5  * a copy of this software and associated documentation files (the
6  * "Software"), to deal in the Software without restriction, including
7  * without limitation the rights to use, copy, modify, merge, publish,
8  * distribute, sublicense, and/or sell copies of the Software, and to
9  * permit persons to whom the Software is furnished to do so, subject to
10  * the following conditions:
11  *
12  * The above copyright notice and this permission notice (including the
13  * next paragraph) shall be included in all copies or substantial
14  * portions of the Software.
15  *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
17  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
18  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
19  * NONINFRINGEMENT.  IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
20  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
21  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
22  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
23  * SOFTWARE.
24  */
25 
26 #include <stdlib.h>
27 #include <assert.h>
28 #include <string.h>
29 #include "wayland-util.h"
30 #include "wayland-private.h"
31 #include "test-runner.h"
32 
TEST(array_init)33 TEST(array_init)
34 {
35 	struct wl_array array;
36 
37 	/* fill with garbage to emulate uninitialized memory */
38 	memset(&array, 0x57, sizeof array);
39 
40 	wl_array_init(&array);
41 	assert(array.size == 0);
42 	assert(array.alloc == 0);
43 	assert(array.data == 0);
44 }
45 
TEST(array_release)46 TEST(array_release)
47 {
48 	struct wl_array array;
49 	void *ptr;
50 
51 	wl_array_init(&array);
52 	ptr = wl_array_add(&array, 1);
53 	assert(ptr != NULL);
54 	assert(array.data != NULL);
55 
56 	wl_array_release(&array);
57 	assert(array.data == WL_ARRAY_POISON_PTR);
58 }
59 
TEST(array_add)60 TEST(array_add)
61 {
62 	struct mydata {
63 		unsigned int a;
64 		unsigned int b;
65 		double c;
66 		double d;
67 	};
68 
69 	const unsigned int iterations = 1321; /* this is arbitrary */
70 	const int datasize = sizeof(struct mydata);
71 	struct wl_array array;
72 	size_t i;
73 
74 	wl_array_init(&array);
75 
76 	/* add some data */
77 	for (i = 0; i < iterations; i++) {
78 		struct mydata* ptr = wl_array_add(&array, datasize);
79 		assert(ptr);
80 		assert((i + 1) * datasize == array.size);
81 
82 		ptr->a = i * 3;
83 		ptr->b = 20000 - i;
84 		ptr->c = (double)(i);
85 		ptr->d = (double)(i / 2.);
86 	}
87 
88 	/* verify the data */
89 	for (i = 0; i < iterations; ++i) {
90 		struct mydata* check = (struct mydata*)array.data + i;
91 
92 		assert(check->a == i * 3);
93 		assert(check->b == 20000 - i);
94 		assert(check->c == (double)(i));
95 		assert(check->d == (double)(i/2.));
96 	}
97 
98 	wl_array_release(&array);
99 }
100 
TEST(array_copy)101 TEST(array_copy)
102 {
103 	const int iterations = 1529; /* this is arbitrary */
104 	struct wl_array source;
105 	struct wl_array copy;
106 	int i;
107 
108 	wl_array_init(&source);
109 
110 	/* add some data */
111 	for (i = 0; i < iterations; i++) {
112 		int *p = wl_array_add(&source, sizeof(int));
113 		assert(p);
114 		*p = i * 2 + i;
115 	}
116 
117 	/* copy the array */
118 	wl_array_init(&copy);
119 	wl_array_copy(&copy, &source);
120 
121 	/* check the copy */
122 	for (i = 0; i < iterations; i++) {
123 		int *s = (int *)source.data + i;
124 		int *c = (int *)copy.data + i;
125 
126 		assert(*s == *c); /* verify the values are the same */
127 		assert(s != c); /* ensure the addresses aren't the same */
128 		assert(*s == i * 2 + i); /* sanity check */
129 	}
130 
131 	wl_array_release(&source);
132 	wl_array_release(&copy);
133 }
134 
TEST(array_for_each)135 TEST(array_for_each)
136 {
137 	static const int elements[] = { 77, 12, 45192, 53280, 334455 };
138 	struct wl_array array;
139 	int *p;
140 	int i;
141 
142 	wl_array_init(&array);
143 	for (i = 0; i < 5; i++) {
144 		p = wl_array_add(&array, sizeof *p);
145 		assert(p);
146 		*p = elements[i];
147 	}
148 
149 	i = 0;
150 	wl_array_for_each(p, &array) {
151 		assert(*p == elements[i]);
152 		i++;
153 	}
154 	assert(i == 5);
155 
156 	wl_array_release(&array);
157 }
158