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Add some new DeviceRgb tests.
The changes have been implemented in the scope of the fourth technical debt Manually ported commit. Original commit hash: [96b8bfb]
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‎itext.tests/itext.kernel.tests/itext.kernel.tests.csproj

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</Reference>
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<Reference Include="System" />
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<Reference Include="System.Core" />
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<Reference Include="System.Drawing" />
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</ItemGroup>
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<ItemGroup>
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<Compile Include="itext\kernel\**\*.cs" />

‎itext.tests/itext.kernel.tests/itext/kernel/colors/DeviceRgbTest.cs

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/*
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This file is part of the iText (R) project.
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Copyright (c) 1998-2019 iText Group NV
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Authors: iText Software.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License version 3
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as published by the Free Software Foundation with the addition of the
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following permission added to Section 15 as permitted in Section 7(a):
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FOR ANY PART OF THE COVERED WORK IN WHICH THE COPYRIGHT IS OWNED BY
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ITEXT GROUP. ITEXT GROUP DISCLAIMS THE WARRANTY OF NON INFRINGEMENT
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OF THIRD PARTY RIGHTS
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This program is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program; if not, see http://www.gnu.org/licenses or write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA, 02110-1301 USA, or download the license from the following URL:
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http://itextpdf.com/terms-of-use/
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The interactive user interfaces in modified source and object code versions
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of this program must display Appropriate Legal Notices, as required under
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Section 5 of the GNU Affero General Public License.
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In accordance with Section 7(b) of the GNU Affero General Public License,
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a covered work must retain the producer line in every PDF that is created
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or manipulated using iText.
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You can be released from the requirements of the license by purchasing
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a commercial license. Buying such a license is mandatory as soon as you
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develop commercial activities involving the iText software without
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disclosing the source code of your own applications.
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These activities include: offering paid services to customers as an ASP,
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serving PDFs on the fly in a web application, shipping iText with a closed
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source product.
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For more information, please contact iText Software Corp. at this
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address: [email protected]
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*/
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using System;
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#if !NETSTANDARD1_6
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using System.Drawing;
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#endif
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using iText.Test;
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using iText.Test.Attributes;
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namespace iText.Kernel.Colors {
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public class DeviceRgbTest : ExtendedITextTest {
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[NUnit.Framework.Test]
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public virtual void MakeDarkerTest() {
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DeviceRgb rgbColor = new DeviceRgb(50, 100, 150);
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DeviceRgb darkerRgbColor = DeviceRgb.MakeDarker(rgbColor);
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// check the resultant darkness of RGB items with using this multiplier
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float multiplier = Math.Max(0f, (150f / 255 - 0.33f) / (150f / 255));
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NUnit.Framework.Assert.AreEqual(multiplier * (50f / 255), darkerRgbColor.GetColorValue()[0], 0.0001);
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NUnit.Framework.Assert.AreEqual(multiplier * (100f / 255), darkerRgbColor.GetColorValue()[1], 0.0001);
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NUnit.Framework.Assert.AreEqual(multiplier * (150f / 255), darkerRgbColor.GetColorValue()[2], 0.0001);
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}
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[NUnit.Framework.Test]
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public virtual void MakeLighterTest() {
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DeviceRgb rgbColor = new DeviceRgb(50, 100, 150);
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DeviceRgb darkerRgbColor = DeviceRgb.MakeLighter(rgbColor);
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// check the resultant darkness of RGB items with using this multiplier
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float multiplier = Math.Min(1f, 150f / 255 + 0.33f) / (150f / 255);
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NUnit.Framework.Assert.AreEqual(multiplier * (50f / 255), darkerRgbColor.GetColorValue()[0], 0.0001);
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NUnit.Framework.Assert.AreEqual(multiplier * (100f / 255), darkerRgbColor.GetColorValue()[1], 0.0001);
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NUnit.Framework.Assert.AreEqual(multiplier * (150f / 255), darkerRgbColor.GetColorValue()[2], 0.0001);
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}
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#if !NETSTANDARD1_6
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[NUnit.Framework.Test]
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public virtual void ColorByAWTColorConstantTest() {
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// RED
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DeviceRgb rgbColor = new DeviceRgb(System.Drawing.Color.Red);
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float[] rgbColorValue = rgbColor.GetColorValue();
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NUnit.Framework.Assert.AreEqual(1, rgbColorValue[0], 0.0001);
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NUnit.Framework.Assert.AreEqual(0, rgbColorValue[1], 0.0001);
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NUnit.Framework.Assert.AreEqual(0, rgbColorValue[2], 0.0001);
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// GREEN
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rgbColor = new DeviceRgb(System.Drawing.Color.Lime);
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rgbColorValue = rgbColor.GetColorValue();
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NUnit.Framework.Assert.AreEqual(0, rgbColorValue[0], 0.0001);
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NUnit.Framework.Assert.AreEqual(1, rgbColorValue[1], 0.0001);
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NUnit.Framework.Assert.AreEqual(0, rgbColorValue[2], 0.0001);
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// BLUE
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rgbColor = new DeviceRgb(System.Drawing.Color.Blue);
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rgbColorValue = rgbColor.GetColorValue();
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NUnit.Framework.Assert.AreEqual(0, rgbColorValue[0], 0.0001);
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NUnit.Framework.Assert.AreEqual(0, rgbColorValue[1], 0.0001);
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NUnit.Framework.Assert.AreEqual(1, rgbColorValue[2], 0.0001);
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}
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[NUnit.Framework.Test]
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public virtual void ColorByAWTColorTest() {
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System.Drawing.Color color = System.Drawing.Color.FromArgb(50, 100, 150);
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DeviceRgb rgbColor = new DeviceRgb(color);
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float[] rgbColorValue = rgbColor.GetColorValue();
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NUnit.Framework.Assert.AreEqual(50f / 255, rgbColorValue[0], 0.0001);
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NUnit.Framework.Assert.AreEqual(100f / 255, rgbColorValue[1], 0.0001);
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NUnit.Framework.Assert.AreEqual(150f / 255, rgbColorValue[2], 0.0001);
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}
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[NUnit.Framework.Test]
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[LogMessage(iText.IO.LogMessageConstant.COLORANT_INTENSITIES_INVALID, Count = 14)]
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public virtual void InvalidConstructorArgumentsTest() {
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NUnit.Framework.Assert.AreEqual(0, GetSumOfColorValues(new DeviceRgb(-2f, 0f, 0f)), 0.001f);
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NUnit.Framework.Assert.AreEqual(0, GetSumOfColorValues(new DeviceRgb(0f, -2f, 0f)), 0.001f);
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NUnit.Framework.Assert.AreEqual(0, GetSumOfColorValues(new DeviceRgb(0f, 0f, -2f)), 0.001f);
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NUnit.Framework.Assert.AreEqual(1, GetSumOfColorValues(new DeviceRgb(2f, 0f, 0f)), 0.001f);
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NUnit.Framework.Assert.AreEqual(1, GetSumOfColorValues(new DeviceRgb(0f, 2f, 0f)), 0.001f);
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NUnit.Framework.Assert.AreEqual(1, GetSumOfColorValues(new DeviceRgb(0f, 0f, 2f)), 0.001f);
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NUnit.Framework.Assert.AreEqual(0, GetSumOfColorValues(new DeviceRgb(-2f, -2f, 0f)), 0.001f);
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NUnit.Framework.Assert.AreEqual(0, GetSumOfColorValues(new DeviceRgb(-2f, 0f, -2f)), 0.001f);
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NUnit.Framework.Assert.AreEqual(0, GetSumOfColorValues(new DeviceRgb(0f, -2f, -2f)), 0.001f);
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NUnit.Framework.Assert.AreEqual(2, GetSumOfColorValues(new DeviceRgb(2f, 2f, 0f)), 0.001f);
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NUnit.Framework.Assert.AreEqual(2, GetSumOfColorValues(new DeviceRgb(2f, 0f, 2f)), 0.001f);
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NUnit.Framework.Assert.AreEqual(2, GetSumOfColorValues(new DeviceRgb(0f, 2f, 2f)), 0.001f);
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NUnit.Framework.Assert.AreEqual(0, GetSumOfColorValues(new DeviceRgb(-2f, -2f, -2f)), 0.001f);
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NUnit.Framework.Assert.AreEqual(3, GetSumOfColorValues(new DeviceRgb(2f, 2f, 2f)), 0.001f);
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}
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#endif
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private float GetSumOfColorValues(DeviceRgb deviceRgb) {
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float sum = 0;
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float[] values = deviceRgb.GetColorValue();
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for (int i = 0; i < values.Length; i++) {
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sum += values[i];
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}
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return sum;
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}
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}
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}

‎port-hash

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