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/*-
 * 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 --version option works and generates reasonable output.
 */

static void
verify(const char *p, size_t s)
{
    const char *q = p;

    /* Version message should start with name of program, then space. */
    failure("version message too short:", p);
    if (!assert(s > 6))
        return;
    failure("Version message should begin with 'bsdcpio': %s", p);
    if (!assertEqualMem(q, "bsdcpio ", 8))
        /* If we're not testing bsdcpio, don't keep going. */
        return;
    q += 8; s -= 8;
    /* Version number is a series of digits and periods. */
    while (s > 0 && (*q == '.' || (*q >= '0' && *q <= '9'))) {
        ++q;
        --s;
    }
    /* Version number terminated by space. */
    failure("Version: %s", p);
    assert(s > 1);
    /* Skip a single trailing a,b,c, or d. */
    if (*q == 'a' || *q == 'b' || *q == 'c' || *q == 'd')
        ++q;
    failure("Version: %s", p);
    assert(*q == ' ');
    ++q; --s;
    /* Separator. */
    failure("Version: %s", p);
    assertEqualMem(q, "-- ", 3);
    q += 3; s -= 3;
    /* libarchive name and version number */
    assert(s > 11);
    failure("Version: %s", p);
    assertEqualMem(q, "libarchive ", 11);
    q += 11; s -= 11;
    /* Version number is a series of digits and periods. */
    while (s > 0 && (*q == '.' || (*q >= '0' && *q <= '9'))) {
        ++q;
        --s;
    }
    /* Skip a single trailing a,b,c, or d. */
    if (*q == 'a' || *q == 'b' || *q == 'c' || *q == 'd')
        ++q;
    /* All terminated by a newline. */
    assert(s >= 1);
    failure("Version: %s", p);
#if defined(_WIN32) && !defined(__CYGWIN__)
    assertEqualMem(q, "\r\n", 2);
#else
    assertEqualMem(q, "\n", 1);
#endif
}


DEFINE_TEST(test_option_version)
{
    int r;
    char *p;
    size_t s;

    r = systemf("%s --version >version.stdout 2>version.stderr", testprog);
    if (r != 0)
        r = systemf("%s -W version >version.stdout 2>version.stderr",
            testprog);
    failure("Unable to run either %s --version or %s -W version",
        testprog, testprog);
    if (!assert(r == 0))
        return;

    /* --version should generate nothing to stderr. */
    assertEmptyFile("version.stderr");
    /* Verify format of version message. */
    p = slurpfile(&s, "version.stdout");
    verify(p, s);
    free(p);
}