99 lines
3 KiB
C++
99 lines
3 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 <sal/types.h>
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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/tools/keystoplerp.hxx>
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#include <basegfx/numeric/ftools.hxx>
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#include <boost/tuple/tuple.hpp>
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using namespace ::basegfx;
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using namespace ::boost::tuples;
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namespace basegfxtools
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{
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class KeyStopLerpTest : public CppUnit::TestFixture
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{
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tools::KeyStopLerp maKeyStops;
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static std::vector<double> getTestVector()
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{
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std::vector<double> aStops(3);
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aStops[0] = 0.1;
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aStops[1] = 0.5;
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aStops[2] = 0.9;
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return aStops;
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}
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public:
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KeyStopLerpTest() :
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maKeyStops(getTestVector())
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{}
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void setUp() SAL_OVERRIDE
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{}
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void tearDown() SAL_OVERRIDE
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{}
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void test()
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{
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double fAlpha;
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std::ptrdiff_t nIndex;
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tie(nIndex,fAlpha) = maKeyStops.lerp(-1.0);
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CPPUNIT_ASSERT_MESSAGE("-1.0", nIndex==0 && fAlpha==0.0);
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tie(nIndex,fAlpha) = maKeyStops.lerp(0.1);
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CPPUNIT_ASSERT_MESSAGE("0.1", nIndex==0 && fAlpha==0.0);
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tie(nIndex,fAlpha) = maKeyStops.lerp(0.3);
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CPPUNIT_ASSERT_MESSAGE("0.3", nIndex==0 && fTools::equal(fAlpha,0.5));
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tie(nIndex,fAlpha) = maKeyStops.lerp(0.5);
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CPPUNIT_ASSERT_MESSAGE("0.5", nIndex==0 && fTools::equal(fAlpha,1.0));
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tie(nIndex,fAlpha) = maKeyStops.lerp(0.51);
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CPPUNIT_ASSERT_MESSAGE("0.51", nIndex==1 && fTools::equal(fAlpha,0.025));
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tie(nIndex,fAlpha) = maKeyStops.lerp(0.9);
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CPPUNIT_ASSERT_MESSAGE("0.51", nIndex==1 && fTools::equal(fAlpha,1.0));
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tie(nIndex,fAlpha) = maKeyStops.lerp(1.0);
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CPPUNIT_ASSERT_MESSAGE("0.51", nIndex==1 && fAlpha==1.0);
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}
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// Change the following lines only, if you add, remove or rename
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// member functions of the current class,
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// because these macros are need by auto register mechanism.
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CPPUNIT_TEST_SUITE(KeyStopLerpTest);
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CPPUNIT_TEST(test);
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CPPUNIT_TEST_SUITE_END();
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};
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CPPUNIT_TEST_SUITE_REGISTRATION(basegfxtools::KeyStopLerpTest);
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} // namespace basegfxtools
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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