133 lines
3.3 KiB
C++
133 lines
3.3 KiB
C++
/*!
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* 02_colors.cpp
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*
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* Copyright (c) 2015-2024, NADAL Jean-Baptiste. All rights reserved.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301 USA
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*
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* @Author: NADAL Jean-Baptiste
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* @Date: 30/01/2024
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*
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*/
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/*---------------------------------------------------------------------------*/
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#include <catch.hpp>
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#include "color.h"
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using namespace Raytracer;
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/* ------------------------------------------------------------------------- */
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TEST_CASE("[Color] colors are (red,green,blue) tuples", "[Colors]")
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{
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Color c(-0.5, 0.4, 1.7);
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REQUIRE(c.red() == -0.5);
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REQUIRE(c.green() == 0.4);
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REQUIRE(c.blue() == 1.7);
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}
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/* ------------------------------------------------------------------------- */
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TEST_CASE("[Color] Colors could be copied", "[Colors]")
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{
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Color c1(-0.5, 0.4, 1.7);
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Color c2;
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c2 = c1;
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REQUIRE(c2.red() == -0.5);
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REQUIRE(c2.green() == 0.4);
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REQUIRE(c2.blue() == 1.7);
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}
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/* ------------------------------------------------------------------------- */
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TEST_CASE("[Color] Adding colors", "[Colors]")
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{
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Color c1(0.9, 0.6, 0.75);
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Color c2(0.7, 0.1, 0.25);
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REQUIRE((c1 + c2) == Color(1.6, 0.7, 1.0));
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}
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/* ------------------------------------------------------------------------- */
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TEST_CASE("[Color] Adding colors without modify c1", "[Colors]")
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{
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Color c1(0.9, 0.6, 0.75);
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Color c2(0.7, 0.1, 0.25);
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Color c3 = c1 + c2;
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REQUIRE((c1 + c2) == Color(1.6, 0.7, 1.0));
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}
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/* ------------------------------------------------------------------------- */
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TEST_CASE("[Color] Subtracting colors", "[Colors]")
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{
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Color c1(0.9, 0.6, 0.75);
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Color c2(0.7, 0.1, 0.25);
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REQUIRE((c1 - c2) == Color(0.2, 0.5, 0.5));
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}
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/* ------------------------------------------------------------------------- */
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TEST_CASE("[Color] Subtracting colors without modify c1", "[Colors]")
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{
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Color c1(0.9, 0.6, 0.75);
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Color c2(0.7, 0.1, 0.25);
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Color c3 = c1 - c2;
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REQUIRE((c1 - c2) == Color(0.2, 0.5, 0.5));
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}
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/* ------------------------------------------------------------------------- */
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TEST_CASE("[Color] Multiplying a color by a scalar", "[Colors]")
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{
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Color c(0.2, 0.3, 0.4);
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REQUIRE(c * 2 == Color(0.4, 0.6, 0.8));
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}
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/* ------------------------------------------------------------------------- */
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TEST_CASE("[Color] Multiplying a color by a scalar without modify c", "[Colors]")
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{
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Color c(0.2, 0.3, 0.4);
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Color c3 = c * 4;
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REQUIRE(c * 2 == Color(0.4, 0.6, 0.8));
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}
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/* ------------------------------------------------------------------------- */
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TEST_CASE("[Color] Multiplying a colors", "[Colors]")
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{
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Color c1(1, 0.2, 0.4);
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Color c2(0.9, 1, 0.1);
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REQUIRE((c1 * c2) == Color(0.9, 0.2, 0.04));
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}
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