1/* Copyright Joyent, Inc. and other Node 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#ifndef _WIN32
27#include <unistd.h>
28#endif
29
30#define PATHMAX 4096
31extern char executable_path[];
32
33TEST_IMPL(get_currentexe) {
34/* TODO(gengjiawen): Fix test on QEMU. */
35#if defined(__QEMU__)
36  RETURN_SKIP("Test does not currently work in QEMU");
37#endif
38
39  char buffer[PATHMAX];
40  char path[PATHMAX];
41  size_t size;
42  char* match;
43  int r;
44
45  size = sizeof(buffer) / sizeof(buffer[0]);
46  r = uv_exepath(buffer, &size);
47  ASSERT(!r);
48
49#ifdef _WIN32
50  snprintf(path, sizeof(path), "%s", executable_path);
51#else
52  ASSERT_NOT_NULL(realpath(executable_path, path));
53#endif
54
55  match = strstr(buffer, path);
56  /* Verify that the path returned from uv_exepath is a subdirectory of
57   * executable_path.
58   */
59  ASSERT(match && !strcmp(match, path));
60  ASSERT(size == strlen(buffer));
61
62  /* Negative tests */
63  size = sizeof(buffer) / sizeof(buffer[0]);
64  r = uv_exepath(NULL, &size);
65  ASSERT(r == UV_EINVAL);
66
67  r = uv_exepath(buffer, NULL);
68  ASSERT(r == UV_EINVAL);
69
70  size = 0;
71  r = uv_exepath(buffer, &size);
72  ASSERT(r == UV_EINVAL);
73
74  memset(buffer, -1, sizeof(buffer));
75
76  size = 1;
77  r = uv_exepath(buffer, &size);
78  ASSERT(r == 0);
79  ASSERT(size == 0);
80  ASSERT(buffer[0] == '\0');
81
82  memset(buffer, -1, sizeof(buffer));
83
84  size = 2;
85  r = uv_exepath(buffer, &size);
86  ASSERT(r == 0);
87  ASSERT(size == 1);
88  ASSERT(buffer[0] != '\0');
89  ASSERT(buffer[1] == '\0');
90
91  /* Verify uv_exepath is not affected by uv_set_process_title(). */
92  r = uv_set_process_title("foobar");
93  ASSERT_EQ(r, 0);
94  size = sizeof(buffer);
95  r = uv_exepath(buffer, &size);
96  ASSERT_EQ(r, 0);
97
98  match = strstr(buffer, path);
99  /* Verify that the path returned from uv_exepath is a subdirectory of
100   * executable_path.
101   */
102  ASSERT_NOT_NULL(match);
103  ASSERT_STR_EQ(match, path);
104  ASSERT_EQ(size, strlen(buffer));
105  return 0;
106}
107