// Copyright (c) 2007 The NetBSD Foundation, Inc.
// 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 NETBSD FOUNDATION, INC. AND
// CONTRIBUTORS ``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 FOUNDATION OR CONTRIBUTORS 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++/detail/env.hpp"

#include <atf-c++.hpp>

// ------------------------------------------------------------------------
// Test cases for the free functions.
// ------------------------------------------------------------------------

ATF_TEST_CASE(has_get);
ATF_TEST_CASE_HEAD(has_get)
{
    set_md_var("descr", "Tests the has and get functions");
}
ATF_TEST_CASE_BODY(has_get)
{
    ATF_REQUIRE(atf::env::has("PATH"));
    ATF_REQUIRE(!atf::env::get("PATH").empty());

    ATF_REQUIRE(!atf::env::has("_UNDEFINED_VARIABLE_"));
}

ATF_TEST_CASE(get_with_default);
ATF_TEST_CASE_HEAD(get_with_default)
{
    set_md_var("descr", "Tests the get function with a default value");
}
ATF_TEST_CASE_BODY(get_with_default)
{
    ATF_REQUIRE(atf::env::has("PATH"));
    ATF_REQUIRE(atf::env::get("PATH", "default value") != "default value");

    ATF_REQUIRE_EQ(atf::env::get("_UNDEFINED_VARIABLE_", "foo bar"), "foo bar");
}

ATF_TEST_CASE(set);
ATF_TEST_CASE_HEAD(set)
{
    set_md_var("descr", "Tests the set function");
}
ATF_TEST_CASE_BODY(set)
{
    ATF_REQUIRE(atf::env::has("PATH"));
    const std::string& oldval = atf::env::get("PATH");
    atf::env::set("PATH", "foo-bar");
    ATF_REQUIRE(atf::env::get("PATH") != oldval);
    ATF_REQUIRE_EQ(atf::env::get("PATH"), "foo-bar");

    ATF_REQUIRE(!atf::env::has("_UNDEFINED_VARIABLE_"));
    atf::env::set("_UNDEFINED_VARIABLE_", "foo2-bar2");
    ATF_REQUIRE_EQ(atf::env::get("_UNDEFINED_VARIABLE_"), "foo2-bar2");
}

ATF_TEST_CASE(unset);
ATF_TEST_CASE_HEAD(unset)
{
    set_md_var("descr", "Tests the unset function");
}
ATF_TEST_CASE_BODY(unset)
{
    ATF_REQUIRE(atf::env::has("PATH"));
    atf::env::unset("PATH");
    ATF_REQUIRE(!atf::env::has("PATH"));
}

// ------------------------------------------------------------------------
// Main.
// ------------------------------------------------------------------------

ATF_INIT_TEST_CASES(tcs)
{
    // Add the test cases for the free functions.
    ATF_ADD_TEST_CASE(tcs, has_get);
    ATF_ADD_TEST_CASE(tcs, get_with_default);
    ATF_ADD_TEST_CASE(tcs, set);
    ATF_ADD_TEST_CASE(tcs, unset);
}