/*-
 * Copyright 2014 Jonathan Anderson.
 * 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 ``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 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 <atf-c.h>
#include <fcntl.h>
#include <stdio.h>

#include "common.h"

struct descriptors {
        int     binary;
        int     testdir;
        int     root;
        int     etc;
        int     usr;
};


static void     setup(struct descriptors *, const atf_tc_t *);


ATF_TC_WITHOUT_HEAD(missing_library);
ATF_TC_BODY(missing_library, tc)
{
        struct descriptors files;

        setup(&files, tc);
        expect_missing_library(files.binary, NULL);
}


ATF_TC_WITHOUT_HEAD(wrong_library_directories);
ATF_TC_BODY(wrong_library_directories, tc)
{
        struct descriptors files;
        char *pathfds;

        setup(&files, tc);
        ATF_REQUIRE(
                asprintf(&pathfds, "LD_LIBRARY_PATH_FDS=%d", files.etc) > 0);

        expect_missing_library(files.binary, pathfds);
}


ATF_TC_WITHOUT_HEAD(bad_library_directories);
ATF_TC_BODY(bad_library_directories, tc)
{
        struct descriptors files;
        char *pathfds;

        setup(&files, tc);
        ATF_REQUIRE(asprintf(&pathfds, "LD_LIBRARY_PATH_FDS=::") > 0);

        expect_missing_library(files.binary, pathfds);
}


ATF_TC_WITHOUT_HEAD(single_library_directory);
ATF_TC_BODY(single_library_directory, tc)
{
        struct descriptors files;
        char *pathfds;

        setup(&files, tc);
        ATF_REQUIRE(
            asprintf(&pathfds, "LD_LIBRARY_PATH_FDS=%d", files.testdir) > 0);

        expect_success(files.binary, pathfds);
}


ATF_TC_WITHOUT_HEAD(first_library_directory);
ATF_TC_BODY(first_library_directory, tc)
{
        struct descriptors files;
        char *pathfds;

        setup(&files, tc);
        ATF_REQUIRE(
            asprintf(&pathfds, "LD_LIBRARY_PATH_FDS=%d:%d",
                files.testdir, files.etc) > 0);

        expect_success(files.binary, pathfds);
}


ATF_TC_WITHOUT_HEAD(middle_library_directory);
ATF_TC_BODY(middle_library_directory, tc)
{
        struct descriptors files;
        char *pathfds;

        setup(&files, tc);
        ATF_REQUIRE(
            asprintf(&pathfds, "LD_LIBRARY_PATH_FDS=%d:%d:%d",
                files.root, files.testdir, files.usr) > 0);

        expect_success(files.binary, pathfds);
}


ATF_TC_WITHOUT_HEAD(last_library_directory);
ATF_TC_BODY(last_library_directory, tc)
{
        struct descriptors files;
        char *pathfds;

        setup(&files, tc);
        ATF_REQUIRE(
            asprintf(&pathfds, "LD_LIBRARY_PATH_FDS=%d:%d",
                files.root, files.testdir) > 0);

        expect_success(files.binary, pathfds);
}



/* Register test cases with ATF. */
ATF_TP_ADD_TCS(tp)
{
        ATF_TP_ADD_TC(tp, missing_library);
        ATF_TP_ADD_TC(tp, wrong_library_directories);
        ATF_TP_ADD_TC(tp, bad_library_directories);
        ATF_TP_ADD_TC(tp, single_library_directory);
        ATF_TP_ADD_TC(tp, first_library_directory);
        ATF_TP_ADD_TC(tp, middle_library_directory);
        ATF_TP_ADD_TC(tp, last_library_directory);

        return atf_no_error();
}


static void
setup(struct descriptors *dp, const atf_tc_t *tc)
{

        dp->testdir = opendir_fd(atf_tc_get_config_var(tc, "srcdir"));
        ATF_REQUIRE(dp->testdir >= 0);
        ATF_REQUIRE(
            (dp->binary = openat(dp->testdir, TARGET_ELF_NAME, O_RDONLY)) >= 0);

        ATF_REQUIRE((dp->root = opendir_fd("/")) >= 0);
        ATF_REQUIRE((dp->etc = opendirat(dp->root, "etc")) >= 0);
        ATF_REQUIRE((dp->usr = opendirat(dp->root, "usr")) >= 0);
}