/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
 * This file is part of the LibreOffice project.
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * This file incorporates work covered by the following license notice:
 *
 *   Licensed to the Apache Software Foundation (ASF) under one or more
 *   contributor license agreements. See the NOTICE file distributed
 *   with this work for additional information regarding copyright
 *   ownership. The ASF licenses this file to you under the Apache
 *   License, Version 2.0 (the "License"); you may not use this file
 *   except in compliance with the License. You may obtain a copy of
 *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
 */

#include <sal/types.h>
#include "cppunit/TestAssert.h"
#include "cppunit/TestFixture.h"
#include "cppunit/extensions/HelperMacros.h"

#include <o3tl/range.hxx>
#include <vector>
#include <deque>

using o3tl::range;
using o3tl::make_range;
using o3tl::range_of;
using std::size_t;

class range_test : public CppUnit::TestFixture
{
public:

    void int_test()
    {
        range<int>
            t1(12,88);
        range<int>
            t2(33,33);

        // ctor
        CPPUNIT_ASSERT_MESSAGE("int ctor1", t1.begin() == 12);
        CPPUNIT_ASSERT_MESSAGE("int ctor2", t1.end() == 88);
        CPPUNIT_ASSERT_MESSAGE("int ctor3", t2.begin() == 33);
        CPPUNIT_ASSERT_MESSAGE("int ctor4", t2.end() == 33);

        // make_range
        CPPUNIT_ASSERT_MESSAGE("int make_range1", make_range(0,8).begin() == 0);
        CPPUNIT_ASSERT_MESSAGE("int make_range2", make_range(0,8).end() == 8);

        // size
        CPPUNIT_ASSERT_MESSAGE("int size1", t1.size() == size_t(t1.end() - t1.begin()) );
        CPPUNIT_ASSERT_MESSAGE("int size2", t2.size() == size_t(0) );

        // contains
        range<int>      t3(0,10);
        range<int>      t4(7, 15);
        range<int>      t5(12, 12);
        range<int>      t6(13, 77);
        range<int>      t7(87, 87);
        range<int>      t8(87, 88);
        range<int>      t9(88, 88);
        range<int>      t10(33, 120);
        range<int>      t11(90, 100);
        range<int>      t12(200,200);

        CPPUNIT_ASSERT_MESSAGE("int contains1", t1.contains(t1));
        CPPUNIT_ASSERT_MESSAGE("int contains2", t1.contains(t2));
        CPPUNIT_ASSERT_MESSAGE("int contains3", ! t1.contains(t3));
        CPPUNIT_ASSERT_MESSAGE("int contains4", ! t1.contains(t4));
        CPPUNIT_ASSERT_MESSAGE("int contains5", t1.contains(t5));
        CPPUNIT_ASSERT_MESSAGE("int contains6", t1.contains(t6));
        CPPUNIT_ASSERT_MESSAGE("int contains7", t1.contains(t7));
        CPPUNIT_ASSERT_MESSAGE("int contains8", t1.contains(t8));
        CPPUNIT_ASSERT_MESSAGE("int contains9", ! t1.contains(t9));
        CPPUNIT_ASSERT_MESSAGE("int contains10", ! t1.contains(t10));
        CPPUNIT_ASSERT_MESSAGE("int contains11", ! t1.contains(t11));
        CPPUNIT_ASSERT_MESSAGE("int contains12", ! t1.contains(t12));

        CPPUNIT_ASSERT_MESSAGE("int contains n1", t1.contains(50));
        CPPUNIT_ASSERT_MESSAGE("int contains n2", t1.contains(12));
        CPPUNIT_ASSERT_MESSAGE("int contains n3", t1.contains(87));
        CPPUNIT_ASSERT_MESSAGE("int contains n4", ! t1.contains(3));
        CPPUNIT_ASSERT_MESSAGE("int contains n5", ! t1.contains(11));
        CPPUNIT_ASSERT_MESSAGE("int contains n6", ! t1.contains(88));
        CPPUNIT_ASSERT_MESSAGE("int contains n7", ! t1.contains(100));

        // overlaps
        range<int>      t13(88,99);

        CPPUNIT_ASSERT_MESSAGE("int overlaps1", t1.overlaps(t1));
        CPPUNIT_ASSERT_MESSAGE("int overlaps2", t1.overlaps(t2));
        CPPUNIT_ASSERT_MESSAGE("int overlaps3", ! t1.overlaps(t3));
        CPPUNIT_ASSERT_MESSAGE("int overlaps4", t1.overlaps(t4));
        CPPUNIT_ASSERT_MESSAGE("int overlaps5", t1.overlaps(t5));
        CPPUNIT_ASSERT_MESSAGE("int overlaps6", t1.overlaps(t6));
        CPPUNIT_ASSERT_MESSAGE("int overlaps7", t1.overlaps(t7));
        CPPUNIT_ASSERT_MESSAGE("int overlaps8", t1.overlaps(t8));
        CPPUNIT_ASSERT_MESSAGE("int overlaps9", ! t1.overlaps(t9));
        CPPUNIT_ASSERT_MESSAGE("int overlaps10", t1.overlaps(t10));
        CPPUNIT_ASSERT_MESSAGE("int overlaps11", ! t1.overlaps(t11));
        CPPUNIT_ASSERT_MESSAGE("int overlaps12", ! t1.overlaps(t12));
        CPPUNIT_ASSERT_MESSAGE("int overlaps13", ! t1.overlaps(t13));

        // distance_to
        CPPUNIT_ASSERT_MESSAGE("int distance_to1", t1.distance_to(t13) == 0);
        CPPUNIT_ASSERT_MESSAGE("int distance_to2", t1.distance_to(t9) == 0);
        CPPUNIT_ASSERT_MESSAGE("int distance_to3", t1.distance_to(t11) == 2);
        CPPUNIT_ASSERT_MESSAGE("int distance_to4", t1.distance_to(t8) == -1);
        CPPUNIT_ASSERT_MESSAGE("int distance_to5", t1.distance_to(t3) == -88);
    }

    void iterator_test()
    {
        typedef std::vector<char>::const_iterator   test_it;
        const std::vector<char>            hv(200,'x');


        test_it hit1 = hv.begin() + 12;
        test_it hit2 = hv.begin() + 88;

        range<test_it>
            t1(hit1, hit2);
        range<test_it>
            t2(hv.begin()+33, hv.begin()+33);

        // ctor
        CPPUNIT_ASSERT_MESSAGE("ivec ctor1", t1.begin() == hit1);
        CPPUNIT_ASSERT_MESSAGE("ivec ctor2", t1.end() == hit2);
        CPPUNIT_ASSERT_MESSAGE("ivec ctor3", t2.begin() == hv.begin()+33);
        CPPUNIT_ASSERT_MESSAGE("ivec ctor4", t2.end() == hv.begin()+33);

        // make_range
        CPPUNIT_ASSERT_MESSAGE("ivec make_range1", make_range(hv.begin(), hv.begin()+8).begin() == hv.begin());
        CPPUNIT_ASSERT_MESSAGE("ivec make_range2", make_range(hv.begin(), hv.begin()+8).end() == hv.begin()+8);

        // size
        CPPUNIT_ASSERT_MESSAGE("ivec size1", t1.size() == size_t(t1.end() - t1.begin()) );
        CPPUNIT_ASSERT_MESSAGE("ivec size2", t2.size() == size_t(0) );

        // contains
        range<test_it>      t3(hv.begin(), hv.begin() + 10);
        range<test_it>      t4(hv.begin() + 7, hv.begin() + 15);
        range<test_it>      t5(hit1, hit1);
        range<test_it>      t6(hv.begin() + 13, hv.begin() + 77);
        range<test_it>      t7(hv.begin() + 87, hv.begin() + 87);
        range<test_it>      t8(hv.begin() + 87, hit2);
        range<test_it>      t9(hit2, hit2);
        range<test_it>      t10(hv.begin() + 33, hv.begin() + 120);
        range<test_it>      t11(hv.begin() + 90, hv.begin() + 100);
        range<test_it>      t12(hv.begin() + 200,hv.begin() + 200);

        CPPUNIT_ASSERT_MESSAGE("ivec contains1", t1.contains(t1));
        CPPUNIT_ASSERT_MESSAGE("ivec contains2", t1.contains(t2));
        CPPUNIT_ASSERT_MESSAGE("ivec contains3", ! t1.contains(t3));
        CPPUNIT_ASSERT_MESSAGE("ivec contains4", ! t1.contains(t4));
        CPPUNIT_ASSERT_MESSAGE("ivec contains5", t1.contains(t5));
        CPPUNIT_ASSERT_MESSAGE("ivec contains6", t1.contains(t6));
        CPPUNIT_ASSERT_MESSAGE("ivec contains7", t1.contains(t7));
        CPPUNIT_ASSERT_MESSAGE("ivec contains8", t1.contains(t8));
        CPPUNIT_ASSERT_MESSAGE("ivec contains9", ! t1.contains(t9));
        CPPUNIT_ASSERT_MESSAGE("ivec contains10", ! t1.contains(t10));
        CPPUNIT_ASSERT_MESSAGE("ivec contains11", ! t1.contains(t11));
        CPPUNIT_ASSERT_MESSAGE("ivec contains12", ! t1.contains(t12));

        CPPUNIT_ASSERT_MESSAGE("ivec contains n1", t1.contains(hv.begin() + 50));
        CPPUNIT_ASSERT_MESSAGE("ivec contains n2", t1.contains(hit1));
        CPPUNIT_ASSERT_MESSAGE("ivec contains n3", t1.contains(hv.begin() + 87));
        CPPUNIT_ASSERT_MESSAGE("ivec contains n4", ! t1.contains(hv.begin() + 3));
        CPPUNIT_ASSERT_MESSAGE("ivec contains n5", ! t1.contains(hv.begin() + 11));
        CPPUNIT_ASSERT_MESSAGE("ivec contains n6", ! t1.contains(hit2));
        CPPUNIT_ASSERT_MESSAGE("ivec contains n7", ! t1.contains(hv.begin() + 100));

        // overlaps
        range<test_it>      t13(hit2, hv.begin() + 99);

        CPPUNIT_ASSERT_MESSAGE("ivec overlaps1", t1.overlaps(t1));
        CPPUNIT_ASSERT_MESSAGE("ivec overlaps2", t1.overlaps(t2));
        CPPUNIT_ASSERT_MESSAGE("ivec overlaps3", ! t1.overlaps(t3));
        CPPUNIT_ASSERT_MESSAGE("ivec overlaps4", t1.overlaps(t4));
        CPPUNIT_ASSERT_MESSAGE("ivec overlaps5", t1.overlaps(t5));
        CPPUNIT_ASSERT_MESSAGE("ivec overlaps6", t1.overlaps(t6));
        CPPUNIT_ASSERT_MESSAGE("ivec overlaps7", t1.overlaps(t7));
        CPPUNIT_ASSERT_MESSAGE("ivec overlaps8", t1.overlaps(t8));
        CPPUNIT_ASSERT_MESSAGE("ivec overlaps9", ! t1.overlaps(t9));
        CPPUNIT_ASSERT_MESSAGE("ivec overlaps10", t1.overlaps(t10));
        CPPUNIT_ASSERT_MESSAGE("ivec overlaps11", ! t1.overlaps(t11));
        CPPUNIT_ASSERT_MESSAGE("ivec overlaps12", ! t1.overlaps(t12));
        CPPUNIT_ASSERT_MESSAGE("ivec overlaps13", ! t1.overlaps(t13));

        // distance_to
        CPPUNIT_ASSERT_MESSAGE("ivec distance_to1", t1.distance_to(t13) == 0);
        CPPUNIT_ASSERT_MESSAGE("ivec distance_to2", t1.distance_to(t8) == -1);
        CPPUNIT_ASSERT_MESSAGE("ivec distance_to3", t1.distance_to(t9) == 0);
        CPPUNIT_ASSERT_MESSAGE("ivec distance_to4", t1.distance_to(t11) == 2);
        CPPUNIT_ASSERT_MESSAGE("ivec distance_to5", t1.distance_to(t3) == -88);

        const std::vector< int* >   h2(20, (int*)0);
        std::deque< double >        h3(30, 0.0);

        CPPUNIT_ASSERT_MESSAGE("range_of1", range_of(h2).begin() == h2.begin());
        CPPUNIT_ASSERT_MESSAGE("range_of2", range_of(h3).end() == h3.end());
    }

    // insert your test code here.
    void global()
    {
        int_test();
        iterator_test();
    }


    // These macros are needed by auto register mechanism.
    CPPUNIT_TEST_SUITE(range_test);
    CPPUNIT_TEST(global);
    CPPUNIT_TEST_SUITE_END();
}; // class range_test

// -----------------------------------------------------------------------------
CPPUNIT_TEST_SUITE_REGISTRATION(range_test);

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