85 lines
3 KiB
C
85 lines
3 KiB
C
|
/*-
|
||
|
|
* 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: src/usr.bin/tar/test/test_help.c,v 1.2 2008/05/26 17:10:10 kientzle Exp $");
|
||
|
|
|
||
|
|
/*
|
||
|
|
* 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_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 >= 6);
|
||
|
|
failure("First line of help output should contain 'bsdtar': %s", p);
|
||
|
|
assert(in_first_line(p, "bsdtar"));
|
||
|
|
/*
|
||
|
|
* 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");
|
||
|
|
}
|