109 lines
3.4 KiB
C++
109 lines
3.4 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*************************************************************************
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*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* Copyright 2000, 2010 Oracle and/or its affiliates.
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* This file is part of OpenOffice.org.
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*
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* OpenOffice.org is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License version 3
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* only, as published by the Free Software Foundation.
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*
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* OpenOffice.org is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License version 3 for more details
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* (a copy is included in the LICENSE file that accompanied this code).
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*
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* You should have received a copy of the GNU Lesser General Public License
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* version 3 along with OpenOffice.org. If not, see
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* <http://www.openoffice.org/license.html>
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* for a copy of the LGPLv3 License.
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*
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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()
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{}
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void tearDown()
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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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// -----------------------------------------------------------------------------
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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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