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