xref: /libuv/test/test-tmpdir.c (revision 83306585)
1 /* Copyright libuv project 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
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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 PATHMAX 4096
27 #define SMALLPATH 1
28 
TEST_IMPL(tmpdir)29 TEST_IMPL(tmpdir) {
30   char tmpdir[PATHMAX];
31   size_t len;
32   char last;
33   int r;
34 
35   /* Test the normal case */
36   len = sizeof tmpdir;
37   tmpdir[0] = '\0';
38 
39   ASSERT_OK(strlen(tmpdir));
40   r = uv_os_tmpdir(tmpdir, &len);
41   ASSERT_OK(r);
42   ASSERT_EQ(strlen(tmpdir), len);
43   ASSERT_GT(len, 0);
44   ASSERT_EQ(tmpdir[len], '\0');
45 
46   if (len > 1) {
47     last = tmpdir[len - 1];
48 #ifdef _WIN32
49     ASSERT_NE(last, '\\');
50 #else
51     ASSERT_NE(last, '/');
52 #endif
53   }
54 
55   /* Test the case where the buffer is too small */
56   len = SMALLPATH;
57   r = uv_os_tmpdir(tmpdir, &len);
58   ASSERT_EQ(r, UV_ENOBUFS);
59   ASSERT_GT(len, SMALLPATH);
60 
61   /* Test invalid inputs */
62   r = uv_os_tmpdir(NULL, &len);
63   ASSERT_EQ(r, UV_EINVAL);
64   r = uv_os_tmpdir(tmpdir, NULL);
65   ASSERT_EQ(r, UV_EINVAL);
66   len = 0;
67   r = uv_os_tmpdir(tmpdir, &len);
68   ASSERT_EQ(r, UV_EINVAL);
69 
70 #ifdef _WIN32
71   const char *name = "TMP";
72   char tmpdir_win[] = "C:\\xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx";
73   r = uv_os_setenv(name, tmpdir_win);
74   ASSERT_OK(r);
75   char tmpdirx[PATHMAX];
76   size_t lenx = sizeof tmpdirx;
77   r = uv_os_tmpdir(tmpdirx, &lenx);
78   ASSERT_OK(r);
79 
80   /* Test empty environment variable */
81   r = uv_os_setenv("TMP", "");
82   ASSERT_EQ(r, 0);
83   len = sizeof tmpdir;
84   r = uv_os_tmpdir(tmpdir, &len);
85   ASSERT_EQ(r, UV_ENOENT);
86 #endif
87 
88   return 0;
89 }
90