1*cdf63a70SMartin Matuska /*- 2*cdf63a70SMartin Matuska * Copyright (c) 2003-2007 Tim Kientzle 3*cdf63a70SMartin Matuska * All rights reserved. 4*cdf63a70SMartin Matuska * 5*cdf63a70SMartin Matuska * Redistribution and use in source and binary forms, with or without 6*cdf63a70SMartin Matuska * modification, are permitted provided that the following conditions 7*cdf63a70SMartin Matuska * are met: 8*cdf63a70SMartin Matuska * 1. Redistributions of source code must retain the above copyright 9*cdf63a70SMartin Matuska * notice, this list of conditions and the following disclaimer. 10*cdf63a70SMartin Matuska * 2. Redistributions in binary form must reproduce the above copyright 11*cdf63a70SMartin Matuska * notice, this list of conditions and the following disclaimer in the 12*cdf63a70SMartin Matuska * documentation and/or other materials provided with the distribution. 13*cdf63a70SMartin Matuska * 14*cdf63a70SMartin Matuska * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR 15*cdf63a70SMartin Matuska * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 16*cdf63a70SMartin Matuska * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 17*cdf63a70SMartin Matuska * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT, 18*cdf63a70SMartin Matuska * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 19*cdf63a70SMartin Matuska * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 20*cdf63a70SMartin Matuska * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 21*cdf63a70SMartin Matuska * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22*cdf63a70SMartin Matuska * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 23*cdf63a70SMartin Matuska * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24*cdf63a70SMartin Matuska */ 25*cdf63a70SMartin Matuska #include "test.h" 26*cdf63a70SMartin Matuska 27*cdf63a70SMartin Matuska /* 28*cdf63a70SMartin Matuska * Test that "--help", "-h", and "-W help" options all work and 29*cdf63a70SMartin Matuska * generate reasonable output. 30*cdf63a70SMartin Matuska */ 31*cdf63a70SMartin Matuska 32*cdf63a70SMartin Matuska static int 33*cdf63a70SMartin Matuska in_first_line(const char *p, const char *substring) 34*cdf63a70SMartin Matuska { 35*cdf63a70SMartin Matuska size_t l = strlen(substring); 36*cdf63a70SMartin Matuska 37*cdf63a70SMartin Matuska while (*p != '\0' && *p != '\n') { 38*cdf63a70SMartin Matuska if (memcmp(p, substring, l) == 0) 39*cdf63a70SMartin Matuska return (1); 40*cdf63a70SMartin Matuska ++p; 41*cdf63a70SMartin Matuska } 42*cdf63a70SMartin Matuska return (0); 43*cdf63a70SMartin Matuska } 44*cdf63a70SMartin Matuska 45*cdf63a70SMartin Matuska DEFINE_TEST(test_help) 46*cdf63a70SMartin Matuska { 47*cdf63a70SMartin Matuska int r; 48*cdf63a70SMartin Matuska char *p; 49*cdf63a70SMartin Matuska size_t plen; 50*cdf63a70SMartin Matuska 51*cdf63a70SMartin Matuska /* Exercise --help option. */ 52*cdf63a70SMartin Matuska r = systemf("%s --help >help.stdout 2>help.stderr", testprog); 53*cdf63a70SMartin Matuska assertEqualInt(r, 0); 54*cdf63a70SMartin Matuska failure("--help should generate nothing to stderr."); 55*cdf63a70SMartin Matuska assertEmptyFile("help.stderr"); 56*cdf63a70SMartin Matuska /* Help message should start with name of program. */ 57*cdf63a70SMartin Matuska p = slurpfile(&plen, "help.stdout"); 58*cdf63a70SMartin Matuska failure("Help output should be long enough."); 59*cdf63a70SMartin Matuska assert(plen >= 6); 60*cdf63a70SMartin Matuska failure("First line of help output should contain 'bsdcat': %s", p); 61*cdf63a70SMartin Matuska assert(in_first_line(p, "bsdcat")); 62*cdf63a70SMartin Matuska /* 63*cdf63a70SMartin Matuska * TODO: Extend this check to further verify that --help output 64*cdf63a70SMartin Matuska * looks approximately right. 65*cdf63a70SMartin Matuska */ 66*cdf63a70SMartin Matuska free(p); 67*cdf63a70SMartin Matuska 68*cdf63a70SMartin Matuska /* -h option should generate the same output. */ 69*cdf63a70SMartin Matuska r = systemf("%s -h >h.stdout 2>h.stderr", testprog); 70*cdf63a70SMartin Matuska assertEqualInt(r, 0); 71*cdf63a70SMartin Matuska failure("-h should generate nothing to stderr."); 72*cdf63a70SMartin Matuska assertEmptyFile("h.stderr"); 73*cdf63a70SMartin Matuska failure("stdout should be same for -h and --help"); 74*cdf63a70SMartin Matuska assertEqualFile("h.stdout", "help.stdout"); 75*cdf63a70SMartin Matuska } 76