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/* -*- 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 <cppunit/TestAssert.h>
#include <cppunit/TestFixture.h>
#include <cppunit/extensions/HelperMacros.h>
#include <basegfx/range/b1drange.hxx>
namespace basegfx
{
class b1Xrange : public CppUnit::TestFixture
{
public:
template <class Type> void implCheck()
{
// test interval axioms
// (http://en.wikipedia.org/wiki/Interval_%28mathematics%29)
Type aRange;
CPPUNIT_ASSERT_MESSAGE("default ctor - empty range", aRange.isEmpty());
CPPUNIT_ASSERT_MESSAGE("center - get cop-out value since range is empty",
aRange.getCenter() == 0);
// degenerate interval
aRange.expand(1);
CPPUNIT_ASSERT_MESSAGE("degenerate range - still, not empty!", !aRange.isEmpty());
CPPUNIT_ASSERT_MESSAGE("degenerate range - size of 0", aRange.getRange() == 0);
CPPUNIT_ASSERT_MESSAGE("same value as degenerate range - is inside range",
aRange.isInside(1));
CPPUNIT_ASSERT_MESSAGE("center - must be the single range value", aRange.getCenter() == 1);
// proper interval
aRange.expand(2);
CPPUNIT_ASSERT_MESSAGE("proper range - size of 1", aRange.getRange() == 1);
CPPUNIT_ASSERT_MESSAGE("smaller value of range - is inside *closed* range",
aRange.isInside(1));
CPPUNIT_ASSERT_MESSAGE("larger value of range - is inside *closed* range",
aRange.isInside(2));
// center for proper interval that works for ints, too
aRange.expand(3);
CPPUNIT_ASSERT_MESSAGE("center - must be half of the range", aRange.getCenter() == 2);
// check overlap
Type aRange2(0, 1);
CPPUNIT_ASSERT_MESSAGE("range overlapping *includes* upper bound",
aRange.overlaps(aRange2));
CPPUNIT_ASSERT_MESSAGE("range overlapping *includes* upper bound, but only barely",
!aRange.overlapsMore(aRange2));
Type aRange3(0, 2);
CPPUNIT_ASSERT_MESSAGE("range overlapping is fully overlapping now",
aRange.overlapsMore(aRange3));
// check intersect
Type aRange4(3, 4);
aRange.intersect(aRange4);
CPPUNIT_ASSERT_MESSAGE("range intersection is yielding empty range!", !aRange.isEmpty());
Type aRange5(5, 6);
aRange.intersect(aRange5);
CPPUNIT_ASSERT_MESSAGE("range intersection is yielding nonempty range!", aRange.isEmpty());
}
void check() { implCheck<B1DRange>(); }
// Change the following lines only, if you add, remove or rename
// member functions of the current class,
// because these macros are need by auto register mechanism.
CPPUNIT_TEST_SUITE(b1Xrange);
CPPUNIT_TEST(check);
CPPUNIT_TEST_SUITE_END();
}; // class b1Xrange
} // namespace basegfx
CPPUNIT_TEST_SUITE_REGISTRATION(basegfx::b1Xrange);
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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