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 | char buf[BUF_SIZE]; |
31 | size_t size; |
32 | int r; |
33 | |
34 | /* Reject invalid inputs when setting an environment variable */ |
35 | r = uv_os_setenv(NULL, "foo" ); |
36 | ASSERT(r == UV_EINVAL); |
37 | r = uv_os_setenv(name, NULL); |
38 | ASSERT(r == UV_EINVAL); |
39 | r = uv_os_setenv(NULL, NULL); |
40 | ASSERT(r == UV_EINVAL); |
41 | |
42 | /* Reject invalid inputs when retrieving an environment variable */ |
43 | size = BUF_SIZE; |
44 | r = uv_os_getenv(NULL, buf, &size); |
45 | ASSERT(r == UV_EINVAL); |
46 | r = uv_os_getenv(name, NULL, &size); |
47 | ASSERT(r == UV_EINVAL); |
48 | r = uv_os_getenv(name, buf, NULL); |
49 | ASSERT(r == UV_EINVAL); |
50 | size = 0; |
51 | r = uv_os_getenv(name, buf, &size); |
52 | ASSERT(r == UV_EINVAL); |
53 | |
54 | /* Reject invalid inputs when deleting an environment variable */ |
55 | r = uv_os_unsetenv(NULL); |
56 | ASSERT(r == UV_EINVAL); |
57 | |
58 | /* Successfully set an environment variable */ |
59 | r = uv_os_setenv(name, "123456789" ); |
60 | ASSERT(r == 0); |
61 | |
62 | /* Successfully read an environment variable */ |
63 | size = BUF_SIZE; |
64 | buf[0] = '\0'; |
65 | r = uv_os_getenv(name, buf, &size); |
66 | ASSERT(r == 0); |
67 | ASSERT(strcmp(buf, "123456789" ) == 0); |
68 | ASSERT(size == BUF_SIZE - 1); |
69 | |
70 | /* Return UV_ENOBUFS if the buffer cannot hold the environment variable */ |
71 | size = BUF_SIZE - 1; |
72 | buf[0] = '\0'; |
73 | r = uv_os_getenv(name, buf, &size); |
74 | ASSERT(r == UV_ENOBUFS); |
75 | ASSERT(size == BUF_SIZE); |
76 | |
77 | /* Successfully delete an environment variable */ |
78 | r = uv_os_unsetenv(name); |
79 | ASSERT(r == 0); |
80 | |
81 | /* Return UV_ENOENT retrieving an environment variable that does not exist */ |
82 | r = uv_os_getenv(name, buf, &size); |
83 | ASSERT(r == UV_ENOENT); |
84 | |
85 | /* Successfully delete an environment variable that does not exist */ |
86 | r = uv_os_unsetenv(name); |
87 | ASSERT(r == 0); |
88 | |
89 | return 0; |
90 | } |
91 | |