strerror_test.c revision 263085
1/*- 2 * Copyright (c) 2001 Wes Peters <wes@FreeBSD.org> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 * $FreeBSD: head/tools/regression/lib/libc/string/test-strerror.c 263085 2014-03-12 10:45:22Z jmmv $ 27 */ 28 29#include <assert.h> 30#include <errno.h> 31#include <limits.h> 32#include <stdio.h> 33#include <stdlib.h> 34#include <string.h> 35 36static int test_count = 1; 37static int exit_status = EXIT_SUCCESS; 38 39#define CHECK(x) \ 40 do { \ 41 if (x) { \ 42 printf("ok %d\n", test_count); \ 43 } else { \ 44 printf("not ok %d # %s\n", test_count, #x); \ 45 exit_status = EXIT_FAILURE; \ 46 } \ 47 ++test_count; \ 48 } while (0) 49 50int 51main(void) 52{ 53 char buf[64]; 54 char *sret; 55 int iret; 56 57 printf("1..27\n"); 58 59 /* 60 * strerror() failure tests. 61 */ 62 errno = 0; 63 sret = strerror(INT_MAX); 64 snprintf(buf, sizeof(buf), "Unknown error: %d", INT_MAX); 65 CHECK(strcmp(sret, buf) == 0); 66 CHECK(errno == EINVAL); 67 68 /* 69 * strerror() success tests. 70 */ 71 errno = 0; 72 sret = strerror(0); 73 CHECK(strcmp(sret, "No error: 0") == 0); 74 CHECK(errno == 0); 75 76 errno = 0; 77 sret = strerror(EPERM); 78 CHECK(strcmp(sret, "Operation not permitted") == 0); 79 CHECK(errno == 0); 80 81 errno = 0; 82 sret = strerror(EPFNOSUPPORT); 83 CHECK(strcmp(sret, "Protocol family not supported") == 0); 84 CHECK(errno == 0); 85 86 errno = 0; 87 sret = strerror(ELAST); 88 CHECK(errno == 0); 89 90 /* 91 * strerror_r() failure tests. 92 */ 93 memset(buf, '*', sizeof(buf)); 94 iret = strerror_r(-1, buf, sizeof(buf)); 95 CHECK(strcmp(buf, "Unknown error: -1") == 0); 96 CHECK(iret == EINVAL); 97 98 memset(buf, '*', sizeof(buf)); 99 /* One byte too short. */ 100 iret = strerror_r(EPERM, buf, strlen("Operation not permitted")); 101 CHECK(strcmp(buf, "Operation not permitte") == 0); 102 CHECK(iret == ERANGE); 103 104 memset(buf, '*', sizeof(buf)); 105 /* One byte too short. */ 106 iret = strerror_r(-1, buf, strlen("Unknown error: -1")); 107 CHECK(strcmp(buf, "Unknown error: -") == 0); 108 CHECK(iret == EINVAL); 109 110 memset(buf, '*', sizeof(buf)); 111 /* Two bytes too short. */ 112 iret = strerror_r(-2, buf, strlen("Unknown error: -2") - 1); 113 CHECK(strcmp(buf, "Unknown error: ") == 0); 114 CHECK(iret == EINVAL); 115 116 memset(buf, '*', sizeof(buf)); 117 /* Three bytes too short. */ 118 iret = strerror_r(-2, buf, strlen("Unknown error: -2") - 2); 119 CHECK(strcmp(buf, "Unknown error:") == 0); 120 CHECK(iret == EINVAL); 121 122 memset(buf, '*', sizeof(buf)); 123 /* One byte too short. */ 124 iret = strerror_r(12345, buf, strlen("Unknown error: 12345")); 125 CHECK(strcmp(buf, "Unknown error: 1234") == 0); 126 CHECK(iret == EINVAL); 127 128 /* 129 * strerror_r() success tests. 130 */ 131 memset(buf, '*', sizeof(buf)); 132 iret = strerror_r(0, buf, sizeof(buf)); 133 CHECK(strcmp(buf, "No error: 0") == 0); 134 CHECK(iret == 0); 135 136 memset(buf, '*', sizeof(buf)); 137 iret = strerror_r(EDEADLK, buf, sizeof(buf)); 138 CHECK(strcmp(buf, "Resource deadlock avoided") == 0); 139 CHECK(iret == 0); 140 141 memset(buf, '*', sizeof(buf)); 142 iret = strerror_r(EPROCLIM, buf, sizeof(buf)); 143 CHECK(strcmp(buf, "Too many processes") == 0); 144 CHECK(iret == 0); 145 146 return exit_status; 147} 148