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Add test coverage for public API surface of BrushConverter (#10632)
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  • src/Microsoft.DotNet.Wpf/tests/UnitTests/PresentationCore.Tests/System/Windows/Media/Generated

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‎src/Microsoft.DotNet.Wpf/tests/UnitTests/PresentationCore.Tests/System/Windows/Media/Generated/BrushConverter.Tests.cs

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// Licensed to the .NET Foundation under one or more agreements.
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// The .NET Foundation licenses this file to you under the MIT license.
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#nullable enable
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using System;
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using System.Collections.Generic;
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using System.ComponentModel.Design.Serialization;
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using System.Text;
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namespace System.Windows.Media.Generated;
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/// <summary>
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/// TODO: Add ITypeDescriptorContext-related tests
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/// </summary>
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public sealed class BrushConverterTests
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{
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[Theory]
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// Valid type
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[InlineData(true, typeof(string))]
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// Invalid types
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[InlineData(false, typeof(KnownColor))]
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[InlineData(false, typeof(ColorContext))]
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[InlineData(false, typeof(Color))]
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[InlineData(false, typeof(Brush))]
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public void CanConvertFrom_ReturnsExpected(bool expected, Type sourceType)
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{
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BrushConverter converter = new();
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Assert.Equal(expected, converter.CanConvertFrom(sourceType));
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}
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[Theory]
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// Valid type
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[InlineData(true, typeof(string))]
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// Invalid types
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[InlineData(false, typeof(InstanceDescriptor))]
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[InlineData(false, typeof(KnownColor))]
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[InlineData(false, typeof(ColorContext))]
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[InlineData(false, typeof(Color))]
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[InlineData(false, typeof(Brush))]
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public void CanConvertTo_ReturnsExpected(bool expected, Type destinationType)
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{
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BrushConverter converter = new();
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Assert.Equal(expected, converter.CanConvertTo(destinationType));
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}
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[MemberData(nameof(ConvertFrom_NamedBrush_ReturnsExpectedBrush_Data))]
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[Theory]
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public void ConvertFrom_NamedBrush_ReturnsExpectedBrush(SolidColorBrush expectedColor, string colorName)
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{
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BrushConverter converter = new();
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object? result = converter.ConvertFrom(colorName);
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// We serialize here back to string as SolidColorBrush doesn't override Equals nor has IEquatable<T>
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Assert.IsType<SolidColorBrush>(result);
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Assert.Equal(expectedColor.ToString(), ((SolidColorBrush)result).ToString());
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}
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public static IEnumerable<object[]> ConvertFrom_NamedBrush_ReturnsExpectedBrush_Data
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{
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get
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{
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yield return new object[] { Brushes.Red, "Red" };
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yield return new object[] { Brushes.Blue, "Blue" };
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yield return new object[] { Brushes.Green, "Green" };
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yield return new object[] { Brushes.Orange, "Orange" };
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yield return new object[] { Brushes.Yellow, "Yellow" };
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yield return new object[] { Brushes.Black, "Black" };
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yield return new object[] { Brushes.White, "White" };
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yield return new object[] { Brushes.Gray, "Gray" };
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yield return new object[] { Brushes.DarkGray, "DarkGray" };
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yield return new object[] { Brushes.LightGray, "LightGray" };
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yield return new object[] { Brushes.Purple, "Purple" };
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yield return new object[] { Brushes.Magenta, "Magenta" };
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yield return new object[] { Brushes.Pink, "Pink" };
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yield return new object[] { Brushes.Brown, "Brown" };
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yield return new object[] { Brushes.Cyan, "Cyan" };
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yield return new object[] { Brushes.Olive, "Olive" };
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yield return new object[] { Brushes.Navy, "Navy" };
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yield return new object[] { Brushes.Teal, "Teal" };
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yield return new object[] { Brushes.Maroon, "Maroon" };
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yield return new object[] { Brushes.Silver, "Silver" };
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yield return new object[] { Brushes.Gold, "Gold" };
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yield return new object[] { Brushes.Coral, "Coral" };
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yield return new object[] { Brushes.Indigo, "Indigo" };
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yield return new object[] { Brushes.Violet, "Violet" };
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yield return new object[] { Brushes.Crimson, "Crimson" };
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// Wrong casing
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yield return new object[] { Brushes.Chartreuse, "chartreuse" };
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yield return new object[] { Brushes.Khaki, "khaki" };
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yield return new object[] { Brushes.Tomato, "tomato" };
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yield return new object[] { Brushes.LightBlue, " LightBlue " };
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yield return new object[] { Brushes.LightCoral, " LightCoral" };
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yield return new object[] { Brushes.OldLace, "OldLace " };
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}
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}
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[MemberData(nameof(ConvertFrom_ContextColor_ReturnsExpectedBrush_Data))]
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[Theory]
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public void ConvertFrom_ContextColor_ReturnsExpectedBrush(SolidColorBrush expectedColor, string hexColor)
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{
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BrushConverter converter = new();
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object? result = converter.ConvertFrom(hexColor);
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// We serialize here back to string as SolidColorBrush doesn't override Equals nor has IEquatable<T>
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Assert.IsType<SolidColorBrush>(result);
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Assert.Equal(expectedColor.ToString(), ((SolidColorBrush)result).ToString());
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}
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public static IEnumerable<object[]> ConvertFrom_ContextColor_ReturnsExpectedBrush_Data
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{
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get
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{
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// As we don't pack our color profiles, this is probably the only way
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string? homeDrive = Environment.GetEnvironmentVariable("HOMEDRIVE");
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if (homeDrive is null)
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Assert.Fail("%HOMEDRIVE% environment variable not present");
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yield return new object[] { new SolidColorBrush(Color.FromAValues(1.0f, [0.0f, 0.5f, 1.0f, 1.0f], new Uri($"file://{homeDrive}/Windows/system32/spool/drivers/color/RSWOP.icm"))),
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$"ContextColor file://{homeDrive}/Windows/system32/spool/drivers/color/RSWOP.icm 1.0, 0.0, 0.5, 1.0, 1.0" };
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yield return new object[] { new SolidColorBrush(Color.FromAValues(1.0f, [0.5f, 0.5f, 1.0f, 1.0f], new Uri($"file://{homeDrive}/Windows/system32/spool/drivers/color/RSWOP.icm"))),
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$"ContextColor file://{homeDrive}/Windows/system32/spool/drivers/color/RSWOP.icm 1.0,0.5,0.5,1.0,1.0" };
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yield return new object[] { new SolidColorBrush(Color.FromAValues(1.0f, [0.5f, 0.5f, 1.0f, 0.7f], new Uri($"file://{homeDrive}/Windows/system32/spool/drivers/color/RSWOP.icm"))),
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$"ContextColor file://{homeDrive}/Windows/system32/spool/drivers/color/RSWOP.icm 1.0, 0.5, 0.5, 1.0, 0.7" };
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}
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}
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[MemberData(nameof(ConvertFrom_ScRGB_ReturnsExpectedBrush_Data))]
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[Theory]
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public void ConvertFrom_ScRGB_ReturnsExpectedBrush(SolidColorBrush expectedColor, string hexColor)
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{
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BrushConverter converter = new();
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object? result = converter.ConvertFrom(hexColor);
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// We serialize here back to string as SolidColorBrush doesn't override Equals nor has IEquatable<T>
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Assert.IsType<SolidColorBrush>(result);
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Assert.Equal(expectedColor.ToString(), ((SolidColorBrush)result).ToString());
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}
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public static IEnumerable<object[]> ConvertFrom_ScRGB_ReturnsExpectedBrush_Data
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{
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get
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{
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yield return new object[] { new SolidColorBrush(Color.FromScRgb(1f, 1f, 0f, 0f)), "sc#1,1,0,0" }; // Fully opaque red
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yield return new object[] { new SolidColorBrush(Color.FromScRgb(1f, 0f, 1f, 0f)), "sc#1,0,1,0" }; // Fully opaque green
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yield return new object[] { new SolidColorBrush(Color.FromScRgb(1f, 0f, 0f, 1f)), "sc#1,0,0,1" }; // Fully opaque blue
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yield return new object[] { new SolidColorBrush(Color.FromScRgb(0.5f, 1f, 1f, 0f)), "sc#0.5,1,1,0" }; // Semi-transparent yellow
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yield return new object[] { new SolidColorBrush(Color.FromScRgb(0f, 0f, 0f, 0f)), "sc#0,0,0,0" }; // Fully transparent black
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yield return new object[] { new SolidColorBrush(Color.FromScRgb(1f, 0.5f, 0.5f, 0.5f)), "sc#1,0.5,0.5,0.5" }; // Fully opaque gray
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yield return new object[] { new SolidColorBrush(Color.FromScRgb(0.75f, 0.5f, 0f, 0.5f)), "sc#0.75,0.5,0,0.5" }; // Semi-transparent purple
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yield return new object[] { new SolidColorBrush(Color.FromScRgb(1f, 1f, 0f, 0f)), "sc#1, 1, 0, 0" }; // Extra space after commas
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yield return new object[] { new SolidColorBrush(Color.FromScRgb(1f, 1f, 0f, 0f)), " sc#1,1,0,0" }; // Leading space
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yield return new object[] { new SolidColorBrush(Color.FromScRgb(1f, 1f, 0f, 0f)), "sc#1,1,0,0 " }; // Trailing space
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yield return new object[] { new SolidColorBrush(Color.FromScRgb(1f, 1f, 0f, 0f)), " sc#1,1,0,0 " }; // Excessive surrounding whitespace
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yield return new object[] { new SolidColorBrush(Color.FromScRgb(0.9f, 0.8f, 0.7f, 0.6f)), "sc#0.9,0.8,0.7,0.6" }; // Non-integer values
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yield return new object[] { new SolidColorBrush(Color.FromScRgb(1f, 0.12345f, 0.6789f, 0.54321f)), "sc#1,0.12345,0.6789,0.54321" }; // Values with extended precision
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yield return new object[] { new SolidColorBrush(Color.FromScRgb(0f, 1f, 0f, 0f)), "sc#0 ,1 ,0 ,0" }; // Spaces directly around commas
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yield return new object[] { new SolidColorBrush(Color.FromScRgb(0.5f, 0.5f, 0.5f, 0.5f)), "sc# .5 , .5 , .5 , .5" }; // Leading decimals with spaces
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yield return new object[] { new SolidColorBrush(Color.FromScRgb(0.75f, 0.5f, 0f, 0.5f)), "sc#0.75,0.50,0.00,0.50" }; // Explicit zero padding
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}
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}
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[MemberData(nameof(ConvertFrom_RGB_Short_HexColor_ReturnsExpectedBrush_Data))]
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[Theory]
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public void ConvertFrom_RGB_Short_HexColor_ReturnsExpectedBrush(SolidColorBrush expectedColor, string hexColor)
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{
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BrushConverter converter = new();
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object? result = converter.ConvertFrom(hexColor);
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// We serialize here back to string as SolidColorBrush doesn't override Equals nor has IEquatable<T>
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Assert.IsType<SolidColorBrush>(result);
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Assert.Equal(expectedColor.ToString(), ((SolidColorBrush)result).ToString());
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}
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public static IEnumerable<object[]> ConvertFrom_RGB_Short_HexColor_ReturnsExpectedBrush_Data
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{
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get
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{
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yield return new object[] { new SolidColorBrush(Color.FromRgb(0x00, 0x00, 0x00)), "#000" };
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yield return new object[] { new SolidColorBrush(Color.FromRgb(0xFF, 0xFF, 0xFF)), "#FfF" };
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yield return new object[] { new SolidColorBrush(Color.FromRgb(0x11, 0x22, 0x33)), "#123" };
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yield return new object[] { new SolidColorBrush(Color.FromRgb(0x44, 0x55, 0x66)), "#456" };
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yield return new object[] { new SolidColorBrush(Color.FromRgb(0x77, 0x88, 0x99)), "#789" };
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yield return new object[] { new SolidColorBrush(Color.FromRgb(0xAA, 0xBB, 0xCC)), "#ABC" };
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yield return new object[] { new SolidColorBrush(Color.FromRgb(0xDD, 0xEE, 0xFF)), "#DEF" };
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yield return new object[] { new SolidColorBrush(Color.FromRgb(0x11, 0x33, 0x55)), "#135" };
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yield return new object[] { new SolidColorBrush(Color.FromRgb(0x22, 0x44, 0x66)), "#246" };
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yield return new object[] { new SolidColorBrush(Color.FromRgb(0x33, 0x55, 0x77)), "#357" };
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yield return new object[] { new SolidColorBrush(Color.FromRgb(0x44, 0x66, 0x88)), "#468" };
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yield return new object[] { new SolidColorBrush(Color.FromRgb(0x55, 0x77, 0x99)), "#579" };
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yield return new object[] { new SolidColorBrush(Color.FromRgb(0x66, 0x88, 0xAA)), "#68A" };
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yield return new object[] { new SolidColorBrush(Color.FromRgb(0x77, 0x99, 0xBB)), "#79B" };
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yield return new object[] { new SolidColorBrush(Color.FromRgb(0x88, 0xAA, 0xCC)), "#8AC" };
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yield return new object[] { new SolidColorBrush(Color.FromRgb(0x99, 0xBB, 0xDD)), "#9BD" };
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yield return new object[] { new SolidColorBrush(Color.FromRgb(0xCC, 0xBB, 0xAA)), "#CBA" };
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yield return new object[] { new SolidColorBrush(Color.FromRgb(0xFF, 0xEE, 0xDD)), " #FED" };
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yield return new object[] { new SolidColorBrush(Color.FromRgb(0x88, 0x99, 0xAA)), "#89A " };
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yield return new object[] { new SolidColorBrush(Color.FromRgb(0x00, 0x77, 0xFF)), " #07F " };
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}
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}
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[MemberData(nameof(ConvertFrom_ARGB_Short_HexColor_ReturnsExpectedBrush_Data))]
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[Theory]
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public void ConvertFrom_ARGB_Short_HexColor_ReturnsExpectedBrush(SolidColorBrush expectedColor, string hexColor)
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{
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BrushConverter converter = new();
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object? result = converter.ConvertFrom(hexColor);
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// We serialize here back to string as SolidColorBrush doesn't override Equals nor has IEquatable<T>
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Assert.IsType<SolidColorBrush>(result);
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Assert.Equal(expectedColor.ToString(), ((SolidColorBrush)result).ToString());
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}
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public static IEnumerable<object[]> ConvertFrom_ARGB_Short_HexColor_ReturnsExpectedBrush_Data
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{
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get
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{
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yield return new object[] { new SolidColorBrush(Color.FromArgb(0xAA, 0xFF, 0x22, 0x55)), "#AF25" };
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yield return new object[] { new SolidColorBrush(Color.FromArgb(0x11, 0x22, 0x33, 0x44)), "#1234" };
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yield return new object[] { new SolidColorBrush(Color.FromArgb(0xFF, 0x00, 0x00, 0xFF)), "#F00F" };
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yield return new object[] { new SolidColorBrush(Color.FromArgb(0xCC, 0x33, 0x66, 0xFF)), "#C36f" };
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yield return new object[] { new SolidColorBrush(Color.FromArgb(0x77, 0x88, 0x99, 0xAA)), "#789A" };
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yield return new object[] { new SolidColorBrush(Color.FromArgb(0x77, 0x33, 0x66, 0x22)), " #7362" };
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yield return new object[] { new SolidColorBrush(Color.FromArgb(0x66, 0x88, 0x99, 0x33)), "#6893 " };
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yield return new object[] { new SolidColorBrush(Color.FromArgb(0xEE, 0xDD, 0xCC, 0xBB)), " #EDCB " };
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}
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}
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[MemberData(nameof(ConvertFrom_RGB_Long_HexColor_ReturnsExpectedBrush_Data))]
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[Theory]
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public void ConvertFrom_RGB_Long_HexColor_ReturnsExpectedBrush(SolidColorBrush expectedColor, string hexColor)
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{
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BrushConverter converter = new();
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object? result = converter.ConvertFrom(hexColor);
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// We serialize here back to string as SolidColorBrush doesn't override Equals nor has IEquatable<T>
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Assert.IsType<SolidColorBrush>(result);
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Assert.Equal(expectedColor.ToString(), ((SolidColorBrush)result).ToString());
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}
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public static IEnumerable<object[]> ConvertFrom_RGB_Long_HexColor_ReturnsExpectedBrush_Data
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{
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get
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{
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yield return new object[] { new SolidColorBrush(Color.FromRgb(0x12, 0x34, 0x56)), "#123456" };
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yield return new object[] { new SolidColorBrush(Color.FromRgb(0xAA, 0xBB, 0xCC)), "#AABBCC" };
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yield return new object[] { new SolidColorBrush(Color.FromRgb(0xFF, 0x00, 0x00)), "#FF0000" };
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yield return new object[] { new SolidColorBrush(Color.FromRgb(0x00, 0xFF, 0x00)), "#00FF00" };
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yield return new object[] { new SolidColorBrush(Color.FromRgb(0x00, 0x00, 0xFF)), "#0000FF" };
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yield return new object[] { new SolidColorBrush(Color.FromRgb(0xFF, 0xFF, 0x00)), "#FFFF00" };
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yield return new object[] { new SolidColorBrush(Color.FromRgb(0x00, 0xFF, 0xFF)), "#00FFFF" };
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yield return new object[] { new SolidColorBrush(Color.FromRgb(0xFF, 0x00, 0xFF)), "#FF00FF" };
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yield return new object[] { new SolidColorBrush(Color.FromRgb(0xC0, 0xC0, 0xC0)), "#C0C0C0" };
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yield return new object[] { new SolidColorBrush(Color.FromRgb(0x80, 0x80, 0x80)), "#808080" };
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yield return new object[] { new SolidColorBrush(Color.FromRgb(0x12, 0x12, 0x12)), "#121212" };
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yield return new object[] { new SolidColorBrush(Color.FromRgb(0x34, 0x56, 0x78)), "#345678" };
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yield return new object[] { new SolidColorBrush(Color.FromRgb(0x90, 0xAB, 0xCD)), "#90ABCD" };
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yield return new object[] { new SolidColorBrush(Color.FromRgb(0xDE, 0xAD, 0xBE)), "#DEADBE" };
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yield return new object[] { new SolidColorBrush(Color.FromRgb(0xEF, 0xBE, 0xAD)), "#eFBEAD" };
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yield return new object[] { new SolidColorBrush(Color.FromRgb(0x12, 0x34, 0xFF)), "#1234ff" };
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yield return new object[] { new SolidColorBrush(Color.FromRgb(0x56, 0x78, 0x9A)), "#56789a" };
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yield return new object[] { new SolidColorBrush(Color.FromRgb(0xBC, 0xDE, 0xF0)), " #BCDEF0" };
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yield return new object[] { new SolidColorBrush(Color.FromRgb(0x01, 0x23, 0x45)), " #012345 " };
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yield return new object[] { new SolidColorBrush(Color.FromRgb(0x67, 0x89, 0xAB)), "#6789AB " };
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}
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}
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[MemberData(nameof(ConvertFrom_ARGB_Long_HexColor_ReturnsExpectedBrush_Data))]
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[Theory]
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public void ConvertFrom_ARGB_Long_HexColor_ReturnsExpectedBrush(SolidColorBrush expectedColor, string hexColor)
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{
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BrushConverter converter = new();
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object? result = converter.ConvertFrom(hexColor);
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// We serialize here back to string as SolidColorBrush doesn't override Equals nor has IEquatable<T>
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Assert.IsType<SolidColorBrush>(result);
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Assert.Equal(expectedColor.ToString(), ((SolidColorBrush)result).ToString());
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}
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public static IEnumerable<object[]> ConvertFrom_ARGB_Long_HexColor_ReturnsExpectedBrush_Data
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{
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get
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{
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yield return new object[] { Brushes.Red, $"#{KnownColor.Red:X}" };
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yield return new object[] { Brushes.Blue, $"#{KnownColor.Blue:X}" };
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yield return new object[] { Brushes.Green, $"#{KnownColor.Green:X}" };
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yield return new object[] { Brushes.Orange, $"#{KnownColor.Orange:X}" };
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yield return new object[] { Brushes.Yellow, $"#{KnownColor.Yellow:X}" };
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yield return new object[] { new SolidColorBrush(Color.FromArgb(0x25, 0x37, 0x64, 0x88)), "#25376488" };
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yield return new object[] { new SolidColorBrush(Color.FromArgb(0xAF, 0x25, 0x46, 0xCC)), "#AF2546CC" };
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// Malformed bu acceptable
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yield return new object[] { new SolidColorBrush(Color.FromArgb(0x44, 0x37, 0x64, 0x88)), " #44376488" };
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yield return new object[] { new SolidColorBrush(Color.FromArgb(0x35, 0x25, 0x46, 0xCC)), " #352546CC " };
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yield return new object[] { new SolidColorBrush(Color.FromArgb(0x25, 0x37, 0x14, 0x25)), " #25371425 " };
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yield return new object[] { new SolidColorBrush(Color.FromArgb(0xAF, 0x25, 0x46, 0x22)), "#AF254622 " };
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}
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}
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// ConvertFrom checks for non-strings, strings are evaluated by Parsers
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[InlineData("#FF00000000")]
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[InlineData("Not A Color")]
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[InlineData("#FF00 00FF")]
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[InlineData("NotAColor")]
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[InlineData("#FF000FF")]
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// Wrong casing on ScRgb (sc#)
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[InlineData("SC#1,0,1,0")]
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[InlineData("Sc#1,1,0,1")]
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// RGB; ARGB; RRGGBB; AARRGGBB but not 5
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[InlineData("#F12F1")]
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[InlineData(" # ")]
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[InlineData(" ")]
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[InlineData("# ")]
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[InlineData("#")]
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[InlineData("")]
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[Theory]
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public void ConvertFrom_InvalidColor_ThrowsFormatException(string color)
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{
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BrushConverter converter = new();
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Assert.Throws<FormatException>(() => converter.ConvertFrom(color));
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}
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// ConvertFrom checks for non-strings, strings are evaluated by Parsers
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[InlineData(typeof(SolidColorBrush))]
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[InlineData(0xFF00_FF00)]
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[InlineData(96.0d)]
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[InlineData(72.0f)]
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[Theory]
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public void ConvertFrom_InvalidColor_ThrowsNotSupportedException(object notString)
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{
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BrushConverter converter = new();
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Assert.Throws<NotSupportedException>(() => converter.ConvertFrom(notString));
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}
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[Fact]
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public void ConvertFrom_NULL_ThrowsNotSupportedException()
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{
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BrushConverter converter = new();
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// TODO: Remove suppression once nullable annotations are done
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Assert.Throws<NotSupportedException>(() => converter.ConvertFrom(null!));
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}
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}

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