c97950cdb2
Change-Id: I423171e886e56a0fa107c58edee7bf8a2259a6fb Reviewed-on: https://gerrit.libreoffice.org/c/core/+/146600 Tested-by: Jenkins Reviewed-by: Tomaž Vajngerl <quikee@gmail.com>
103 lines
4 KiB
C++
103 lines
4 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include <cppunit/TestAssert.h>
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#include <cppunit/TestFixture.h>
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#include <cppunit/extensions/HelperMacros.h>
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#include <basegfx/range/b1drange.hxx>
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namespace basegfx
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{
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class B1DRangeTest : public CppUnit::TestFixture
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{
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public:
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void checkIntervalAxioms()
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{
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// test interval axioms
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// (http://en.wikipedia.org/wiki/Interval_%28mathematics%29)
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B1DRange aRange;
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CPPUNIT_ASSERT_MESSAGE("default ctor - empty range", aRange.isEmpty());
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CPPUNIT_ASSERT_EQUAL_MESSAGE("center - get cop-out value since range is empty", 0.0,
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aRange.getCenter());
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// degenerate interval
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aRange.expand(1);
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CPPUNIT_ASSERT_EQUAL(B1DRange(1.0, 1.0), aRange);
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CPPUNIT_ASSERT_MESSAGE("degenerate range - still, not empty!", !aRange.isEmpty());
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CPPUNIT_ASSERT_EQUAL_MESSAGE("degenerate range - size of 0", 0.0, aRange.getRange());
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CPPUNIT_ASSERT_MESSAGE("same value as degenerate range - is inside range",
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aRange.isInside(1.0));
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CPPUNIT_ASSERT_EQUAL_MESSAGE("center - must be the single range value", 1.0,
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aRange.getCenter());
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// proper interval
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aRange.expand(2.0);
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CPPUNIT_ASSERT_EQUAL(B1DRange(1.0, 2.0), aRange);
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CPPUNIT_ASSERT_EQUAL_MESSAGE("proper range - size of 1", 1.0, aRange.getRange());
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CPPUNIT_ASSERT_MESSAGE("smaller value of range - is inside *closed* range",
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aRange.isInside(1));
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CPPUNIT_ASSERT_MESSAGE("larger value of range - is inside *closed* range",
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aRange.isInside(2));
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// center for proper interval that works for ints, too
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aRange.expand(3.0);
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CPPUNIT_ASSERT_EQUAL(B1DRange(1.0, 3.0), aRange);
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CPPUNIT_ASSERT_EQUAL_MESSAGE("center - must be half of the range", 2.0, aRange.getCenter());
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}
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void checkOverlap()
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{
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B1DRange aRange(1.0, 3.0);
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B1DRange aRange2(0.0, 1.0);
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CPPUNIT_ASSERT_MESSAGE("range overlapping *includes* upper bound",
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aRange.overlaps(aRange2));
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CPPUNIT_ASSERT_MESSAGE("range overlapping *includes* upper bound, but only barely",
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!aRange.overlapsMore(aRange2));
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B1DRange aRange3(0.0, 2.0);
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CPPUNIT_ASSERT_MESSAGE("range overlapping is fully overlapping now",
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aRange.overlapsMore(aRange3));
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}
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void checkIntersect()
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{
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B1DRange aRange(1.0, 3.0);
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B1DRange aRange2(3.0, 4.0);
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aRange.intersect(aRange2);
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CPPUNIT_ASSERT_MESSAGE("range intersection is yielding empty range!", !aRange.isEmpty());
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B1DRange aRange3(5.0, 6.0);
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aRange.intersect(aRange3);
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CPPUNIT_ASSERT_MESSAGE("range intersection is yielding nonempty range!", aRange.isEmpty());
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}
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CPPUNIT_TEST_SUITE(B1DRangeTest);
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CPPUNIT_TEST(checkIntervalAxioms);
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CPPUNIT_TEST(checkOverlap);
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CPPUNIT_TEST(checkIntersect);
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CPPUNIT_TEST_SUITE_END();
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};
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} // namespace basegfx
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CPPUNIT_TEST_SUITE_REGISTRATION(basegfx::B1DRangeTest);
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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