Annotation of src/external/mit/libuv/dist/test/test-env-vars.c, Revision 1.1.1.1
1.1 christos 1: /* Copyright libuv contributors. All rights reserved.
2: *
3: * Permission is hereby granted, free of charge, to any person obtaining a copy
4: * of this software and associated documentation files (the "Software"), to
5: * deal in the Software without restriction, including without limitation the
6: * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
7: * sell copies of the Software, and to permit persons to whom the Software is
8: * furnished to do so, subject to the following conditions:
9: *
10: * The above copyright notice and this permission notice shall be included in
11: * all copies or substantial portions of the Software.
12: *
13: * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
14: * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
15: * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
16: * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
17: * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
18: * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
19: * IN THE SOFTWARE.
20: */
21:
22: #include "uv.h"
23: #include "task.h"
24: #include <string.h>
25:
26: #define BUF_SIZE 10
27:
28: TEST_IMPL(env_vars) {
29: const char* name = "UV_TEST_FOO";
30: const char* name2 = "UV_TEST_FOO2";
31: char buf[BUF_SIZE];
32: size_t size;
33: int i, r, envcount, found, found_win_special;
34: uv_env_item_t* envitems;
35:
36: /* Reject invalid inputs when setting an environment variable */
37: r = uv_os_setenv(NULL, "foo");
38: ASSERT(r == UV_EINVAL);
39: r = uv_os_setenv(name, NULL);
40: ASSERT(r == UV_EINVAL);
41: r = uv_os_setenv(NULL, NULL);
42: ASSERT(r == UV_EINVAL);
43:
44: /* Reject invalid inputs when retrieving an environment variable */
45: size = BUF_SIZE;
46: r = uv_os_getenv(NULL, buf, &size);
47: ASSERT(r == UV_EINVAL);
48: r = uv_os_getenv(name, NULL, &size);
49: ASSERT(r == UV_EINVAL);
50: r = uv_os_getenv(name, buf, NULL);
51: ASSERT(r == UV_EINVAL);
52: size = 0;
53: r = uv_os_getenv(name, buf, &size);
54: ASSERT(r == UV_EINVAL);
55:
56: /* Reject invalid inputs when deleting an environment variable */
57: r = uv_os_unsetenv(NULL);
58: ASSERT(r == UV_EINVAL);
59:
60: /* Successfully set an environment variable */
61: r = uv_os_setenv(name, "123456789");
62: ASSERT(r == 0);
63:
64: /* Successfully read an environment variable */
65: size = BUF_SIZE;
66: buf[0] = '\0';
67: r = uv_os_getenv(name, buf, &size);
68: ASSERT(r == 0);
69: ASSERT(strcmp(buf, "123456789") == 0);
70: ASSERT(size == BUF_SIZE - 1);
71:
72: /* Return UV_ENOBUFS if the buffer cannot hold the environment variable */
73: size = BUF_SIZE - 1;
74: buf[0] = '\0';
75: r = uv_os_getenv(name, buf, &size);
76: ASSERT(r == UV_ENOBUFS);
77: ASSERT(size == BUF_SIZE);
78:
79: /* Successfully delete an environment variable */
80: r = uv_os_unsetenv(name);
81: ASSERT(r == 0);
82:
83: /* Return UV_ENOENT retrieving an environment variable that does not exist */
84: r = uv_os_getenv(name, buf, &size);
85: ASSERT(r == UV_ENOENT);
86:
87: /* Successfully delete an environment variable that does not exist */
88: r = uv_os_unsetenv(name);
89: ASSERT(r == 0);
90:
91: /* Setting an environment variable to the empty string does not delete it. */
92: r = uv_os_setenv(name, "");
93: ASSERT(r == 0);
94: size = BUF_SIZE;
95: r = uv_os_getenv(name, buf, &size);
96: ASSERT(r == 0);
97: ASSERT(size == 0);
98: ASSERT(strlen(buf) == 0);
99:
100: /* Check getting all env variables. */
101: r = uv_os_setenv(name, "123456789");
102: ASSERT(r == 0);
103: r = uv_os_setenv(name2, "");
104: ASSERT(r == 0);
105: #ifdef _WIN32
106: /* Create a special environment variable on Windows in case there are no
107: naturally occurring ones. */
108: r = uv_os_setenv("=Z:", "\\");
109: ASSERT(r == 0);
110: #endif
111:
112: r = uv_os_environ(&envitems, &envcount);
113: ASSERT(r == 0);
114: ASSERT(envcount > 0);
115:
116: found = 0;
117: found_win_special = 0;
118:
119: for (i = 0; i < envcount; i++) {
120: /* printf("Env: %s = %s\n", envitems[i].name, envitems[i].value); */
121: if (strcmp(envitems[i].name, name) == 0) {
122: found++;
123: ASSERT(strcmp(envitems[i].value, "123456789") == 0);
124: } else if (strcmp(envitems[i].name, name2) == 0) {
125: found++;
126: ASSERT(strlen(envitems[i].value) == 0);
127: } else if (envitems[i].name[0] == '=') {
128: found_win_special++;
129: }
130: }
131:
132: ASSERT(found == 2);
133: #ifdef _WIN32
134: ASSERT(found_win_special > 0);
135: #endif
136:
137: uv_os_free_environ(envitems, envcount);
138:
139: r = uv_os_unsetenv(name);
140: ASSERT(r == 0);
141:
142: r = uv_os_unsetenv(name2);
143: ASSERT(r == 0);
144:
145: for (i = 1; i <= 4; i++) {
146: size_t n;
147: char* p;
148:
149: n = i * 32768;
150: size = n + 1;
151:
152: p = malloc(size);
153: ASSERT_NOT_NULL(p);
154:
155: memset(p, 'x', n);
156: p[n] = '\0';
157:
158: ASSERT_EQ(0, uv_os_setenv(name, p));
159: ASSERT_EQ(0, uv_os_getenv(name, p, &size));
160: ASSERT_EQ(n, size);
161:
162: for (n = 0; n < size; n++)
163: ASSERT_EQ('x', p[n]);
164:
165: ASSERT_EQ(0, uv_os_unsetenv(name));
166: free(p);
167: }
168:
169: return 0;
170: }
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