/usr.bin/cpio/test/test_option_help.c
https://bitbucket.org/freebsd/freebsd-head/ · C · 84 lines · 41 code · 7 blank · 36 comment · 6 complexity · 512749c0df2a3db09f531b067ae0d169 MD5 · raw file
- /*-
- * Copyright (c) 2003-2007 Tim Kientzle
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
- * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
- #include "test.h"
- __FBSDID("$FreeBSD$");
- /*
- * Test that "--help", "-h", and "-W help" options all work and
- * generate reasonable output.
- */
- static int
- in_first_line(const char *p, const char *substring)
- {
- size_t l = strlen(substring);
- while (*p != '\0' && *p != '\n') {
- if (memcmp(p, substring, l) == 0)
- return (1);
- ++p;
- }
- return (0);
- }
- DEFINE_TEST(test_option_help)
- {
- int r;
- char *p;
- size_t plen;
- /* Exercise --help option. */
- r = systemf("%s --help >help.stdout 2>help.stderr", testprog);
- assertEqualInt(r, 0);
- failure("--help should generate nothing to stderr.");
- assertEmptyFile("help.stderr");
- /* Help message should start with name of program. */
- p = slurpfile(&plen, "help.stdout");
- failure("Help output should be long enough.");
- assert(plen >= 7);
- failure("First line of help output should contain string 'bsdcpio'");
- assert(in_first_line(p, "bsdcpio"));
- /*
- * TODO: Extend this check to further verify that --help output
- * looks approximately right.
- */
- free(p);
- /* -h option should generate the same output. */
- r = systemf("%s -h >h.stdout 2>h.stderr", testprog);
- assertEqualInt(r, 0);
- failure("-h should generate nothing to stderr.");
- assertEmptyFile("h.stderr");
- failure("stdout should be same for -h and --help");
- assertEqualFile("h.stdout", "help.stdout");
- /* -W help should be another synonym. */
- r = systemf("%s -W help >Whelp.stdout 2>Whelp.stderr", testprog);
- assertEqualInt(r, 0);
- failure("-W help should generate nothing to stderr.");
- assertEmptyFile("Whelp.stderr");
- failure("stdout should be same for -W help and --help");
- assertEqualFile("Whelp.stdout", "help.stdout");
- }