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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-15 05:54:39 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-15 05:54:39 +0000 |
commit | 267c6f2ac71f92999e969232431ba04678e7437e (patch) | |
tree | 358c9467650e1d0a1d7227a21dac2e3d08b622b2 /basegfx/test/basegfxtools.cxx | |
parent | Initial commit. (diff) | |
download | libreoffice-267c6f2ac71f92999e969232431ba04678e7437e.tar.xz libreoffice-267c6f2ac71f92999e969232431ba04678e7437e.zip |
Adding upstream version 4:24.2.0.upstream/4%24.2.0
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'basegfx/test/basegfxtools.cxx')
-rw-r--r-- | basegfx/test/basegfxtools.cxx | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/basegfx/test/basegfxtools.cxx b/basegfx/test/basegfxtools.cxx new file mode 100644 index 0000000000..9c60759193 --- /dev/null +++ b/basegfx/test/basegfxtools.cxx @@ -0,0 +1,89 @@ +/* -*- 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/utils/keystoplerp.hxx> +#include <basegfx/numeric/ftools.hxx> + +using namespace ::basegfx; + +namespace basegfxtools +{ +class KeyStopLerpTest : public CppUnit::TestFixture +{ + utils::KeyStopLerp maKeyStops; + + static std::vector<double> getTestVector() { return { 0.1, 0.5, 0.9 }; } + +public: + KeyStopLerpTest() + : maKeyStops(getTestVector()) + { + } + + void test() + { + double fAlpha; + std::ptrdiff_t nIndex; + + std::tie(nIndex, fAlpha) = maKeyStops.lerp(-1.0); + CPPUNIT_ASSERT_EQUAL_MESSAGE("-1.0", std::ptrdiff_t(0), nIndex); + CPPUNIT_ASSERT_EQUAL_MESSAGE("-1.0", 0.0, fAlpha); + + std::tie(nIndex, fAlpha) = maKeyStops.lerp(0.1); + CPPUNIT_ASSERT_EQUAL_MESSAGE("0.1", std::ptrdiff_t(0), nIndex); + CPPUNIT_ASSERT_EQUAL_MESSAGE("0.1", 0.0, fAlpha); + + std::tie(nIndex, fAlpha) = maKeyStops.lerp(0.3); + CPPUNIT_ASSERT_EQUAL_MESSAGE("0.3", std::ptrdiff_t(0), nIndex); + CPPUNIT_ASSERT_MESSAGE("0.3", fTools::equal(fAlpha, 0.5)); + + std::tie(nIndex, fAlpha) = maKeyStops.lerp(0.5); + CPPUNIT_ASSERT_EQUAL_MESSAGE("0.5", std::ptrdiff_t(0), nIndex); + CPPUNIT_ASSERT_MESSAGE("0.5", fTools::equal(fAlpha, 1.0)); + + std::tie(nIndex, fAlpha) = maKeyStops.lerp(0.51); + CPPUNIT_ASSERT_EQUAL_MESSAGE("0.51", std::ptrdiff_t(1), nIndex); + CPPUNIT_ASSERT_MESSAGE("0.51", fTools::equal(fAlpha, 0.025)); + + std::tie(nIndex, fAlpha) = maKeyStops.lerp(0.9); + CPPUNIT_ASSERT_EQUAL_MESSAGE("0.51", std::ptrdiff_t(1), nIndex); + CPPUNIT_ASSERT_MESSAGE("0.51", fTools::equal(fAlpha, 1.0)); + + std::tie(nIndex, fAlpha) = maKeyStops.lerp(1.0); + CPPUNIT_ASSERT_EQUAL_MESSAGE("0.51", std::ptrdiff_t(1), nIndex); + CPPUNIT_ASSERT_DOUBLES_EQUAL_MESSAGE("0.51", 1.0, fAlpha, 1E-12); + } + + // 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(KeyStopLerpTest); + CPPUNIT_TEST(test); + CPPUNIT_TEST_SUITE_END(); +}; + +CPPUNIT_TEST_SUITE_REGISTRATION(basegfxtools::KeyStopLerpTest); +} // namespace basegfxtools + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |