1228753Smm/*- 2228753Smm * Copyright (c) 2003-2007 Tim Kientzle 3228753Smm * All rights reserved. 4228753Smm * 5228753Smm * Redistribution and use in source and binary forms, with or without 6228753Smm * modification, are permitted provided that the following conditions 7228753Smm * are met: 8228753Smm * 1. Redistributions of source code must retain the above copyright 9228753Smm * notice, this list of conditions and the following disclaimer. 10228753Smm * 2. Redistributions in binary form must reproduce the above copyright 11228753Smm * notice, this list of conditions and the following disclaimer in the 12228753Smm * documentation and/or other materials provided with the distribution. 13228753Smm * 14228753Smm * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR 15228753Smm * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 16228753Smm * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 17228753Smm * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT, 18228753Smm * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 19228753Smm * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 20228753Smm * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 21228753Smm * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22228753Smm * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 23228753Smm * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24228753Smm */ 25228753Smm#include "test.h" 26228763Smm__FBSDID("$FreeBSD: releng/11.0/contrib/libarchive/tar/test/test_help.c 228763 2011-12-21 11:13:29Z mm $"); 27228753Smm 28228753Smm/* 29228753Smm * Test that "--help", "-h", and "-W help" options all work and 30228753Smm * generate reasonable output. 31228753Smm */ 32228753Smm 33228753Smmstatic int 34228753Smmin_first_line(const char *p, const char *substring) 35228753Smm{ 36228753Smm size_t l = strlen(substring); 37228753Smm 38228753Smm while (*p != '\0' && *p != '\n') { 39228753Smm if (memcmp(p, substring, l) == 0) 40228753Smm return (1); 41228753Smm ++p; 42228753Smm } 43228753Smm return (0); 44228753Smm} 45228753Smm 46228753SmmDEFINE_TEST(test_help) 47228753Smm{ 48228753Smm int r; 49228753Smm char *p; 50228753Smm size_t plen; 51228753Smm 52228753Smm /* Exercise --help option. */ 53228753Smm r = systemf("%s --help >help.stdout 2>help.stderr", testprog); 54228753Smm assertEqualInt(r, 0); 55228753Smm failure("--help should generate nothing to stderr."); 56228753Smm assertEmptyFile("help.stderr"); 57228753Smm /* Help message should start with name of program. */ 58228753Smm p = slurpfile(&plen, "help.stdout"); 59228753Smm failure("Help output should be long enough."); 60228753Smm assert(plen >= 6); 61228753Smm failure("First line of help output should contain 'bsdtar': %s", p); 62228753Smm assert(in_first_line(p, "bsdtar")); 63228753Smm /* 64228753Smm * TODO: Extend this check to further verify that --help output 65228753Smm * looks approximately right. 66228753Smm */ 67228753Smm free(p); 68228753Smm 69228753Smm /* -h option should generate the same output. */ 70228753Smm r = systemf("%s -h >h.stdout 2>h.stderr", testprog); 71228753Smm assertEqualInt(r, 0); 72228753Smm failure("-h should generate nothing to stderr."); 73228753Smm assertEmptyFile("h.stderr"); 74228753Smm failure("stdout should be same for -h and --help"); 75228753Smm assertEqualFile("h.stdout", "help.stdout"); 76228753Smm 77228753Smm /* -W help should be another synonym. */ 78228753Smm r = systemf("%s -W help >Whelp.stdout 2>Whelp.stderr", testprog); 79228753Smm assertEqualInt(r, 0); 80228753Smm failure("-W help should generate nothing to stderr."); 81228753Smm assertEmptyFile("Whelp.stderr"); 82228753Smm failure("stdout should be same for -W help and --help"); 83228753Smm assertEqualFile("Whelp.stdout", "help.stdout"); 84228753Smm} 85