mirror of https://github.com/SixLabors/ImageSharp
Scott Williams
9 years ago
17 changed files with 368 additions and 28 deletions
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// <copyright file="IImageOperationsProvider.cs" company="James Jackson-South">
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// Copyright (c) James Jackson-South and contributors.
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// Licensed under the Apache License, Version 2.0.
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// </copyright>
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namespace ImageSharp |
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{ |
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using System; |
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using ImageSharp.PixelFormats; |
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/// <summary>
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/// Represents an interface that will create IImageOperations
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/// </summary>
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internal interface IImageOperationsProvider |
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{ |
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/// <summary>
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/// Called during Mutate operations to generate the imageoperations provider.
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/// </summary>
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/// <typeparam name="TPixel">The pixel format</typeparam>
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/// <param name="source">The source image.</param>
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/// <returns>A new IImageOPeration</returns>
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IImageOperations<TPixel> CreateMutator<TPixel>(Image<TPixel> source) |
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where TPixel : struct, IPixel<TPixel>; |
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} |
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/// <summary>
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/// The default implmentation of IImageOperationsProvider
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/// </summary>
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internal class DefaultImageOperationsProvider : IImageOperationsProvider |
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{ |
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/// <inheritdoc/>
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public IImageOperations<TPixel> CreateMutator<TPixel>(Image<TPixel> source) |
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where TPixel : struct, IPixel<TPixel> |
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{ |
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return new ImageOperations<TPixel>(source); |
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} |
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} |
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} |
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using System; |
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using System.Collections.Generic; |
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using System.Text; |
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using ImageSharp.Processing; |
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using Xunit; |
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namespace ImageSharp.Tests |
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{ |
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public abstract class BaseImageOperationsExtensionTest |
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{ |
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protected readonly FakeImageOperationsProvider.FakeImageOperations<Rgba32> operations; |
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public BaseImageOperationsExtensionTest() |
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{ |
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this.operations = new FakeImageOperationsProvider.FakeImageOperations<Rgba32>(null); |
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} |
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public T Verify<T>(int index = 0) |
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{ |
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var operation = this.operations.applied[index]; |
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return Assert.IsType<T>(operation.Processor); |
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} |
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} |
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} |
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namespace ImageSharp.Tests |
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{ |
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using System; |
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using System.Collections.Generic; |
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using System.Linq; |
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using System.Text; |
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using ImageSharp.PixelFormats; |
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using ImageSharp.Processing; |
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using SixLabors.Primitives; |
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public class FakeImageOperationsProvider : IImageOperationsProvider |
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{ |
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private List<object> ImageOperators = new List<object>(); |
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public bool HasCreated<TPixel>(Image<TPixel> source) |
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where TPixel : struct, IPixel<TPixel> |
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{ |
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return Created(source).Any(); |
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} |
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public IEnumerable<FakeImageOperations<TPixel>> Created<TPixel>(Image<TPixel> source) where TPixel : struct, IPixel<TPixel> |
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{ |
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return this.ImageOperators.OfType<FakeImageOperations<TPixel>>() |
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.Where(x => x.source == source); |
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} |
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public IEnumerable<FakeImageOperations<TPixel>.AppliedOpperation> AppliedOperations<TPixel>(Image<TPixel> source) where TPixel : struct, IPixel<TPixel> |
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{ |
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return Created(source) |
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.SelectMany(x => x.applied); |
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} |
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public IImageOperations<TPixel> CreateMutator<TPixel>(Image<TPixel> source) where TPixel : struct, IPixel<TPixel> |
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{ |
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var op = new FakeImageOperations<TPixel>(source); |
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this.ImageOperators.Add(op); |
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return op; |
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} |
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public class FakeImageOperations<TPixel> : IImageOperations<TPixel> |
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where TPixel : struct, IPixel<TPixel> |
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{ |
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public Image<TPixel> source; |
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public List<AppliedOpperation> applied = new List<AppliedOpperation>(); |
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public FakeImageOperations(Image<TPixel> source) |
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{ |
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this.source = source; |
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} |
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public IImageOperations<TPixel> ApplyProcessor(IImageProcessor<TPixel> processor, Rectangle rectangle) |
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{ |
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applied.Add(new AppliedOpperation |
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{ |
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Processor = processor, |
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Rectangle = rectangle |
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}); |
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return this; |
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} |
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public IImageOperations<TPixel> ApplyProcessor(IImageProcessor<TPixel> processor) |
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{ |
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applied.Add(new AppliedOpperation |
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{ |
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Processor = processor |
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}); |
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return this; |
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} |
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public struct AppliedOpperation |
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{ |
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public Rectangle? Rectangle { get; set; } |
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public IImageProcessor<TPixel> Processor { get; set; } |
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} |
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} |
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} |
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} |
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// <copyright file="ConfigurationTests.cs" company="James Jackson-South">
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// Copyright (c) James Jackson-South and contributors.
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// Licensed under the Apache License, Version 2.0.
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// </copyright>
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namespace ImageSharp.Tests |
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{ |
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using System; |
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using System.Collections.Generic; |
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using System.IO; |
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using System.Linq; |
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using ImageSharp.Formats; |
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using ImageSharp.IO; |
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using ImageSharp.PixelFormats; |
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using ImageSharp.Processing; |
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using Moq; |
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using SixLabors.Primitives; |
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using Xunit; |
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/// <summary>
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/// Tests the configuration class.
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/// </summary>
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public class ImageOperationTests : IDisposable |
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{ |
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private readonly Image<Rgba32> image; |
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private readonly FakeImageOperationsProvider provider; |
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private readonly IImageProcessor<Rgba32> processor; |
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public Configuration Configuration { get; private set; } |
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public ImageOperationTests() |
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{ |
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this.provider = new FakeImageOperationsProvider(); |
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this.processor = new Mock<IImageProcessor<Rgba32>>().Object; |
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this.image = new Image<Rgba32>(new Configuration() |
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{ |
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ImageOperationsProvider = this.provider |
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}, 1, 1); |
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} |
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[Fact] |
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public void MutateCallsImageOperationsProvider_Func_OriginalImage() |
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{ |
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this.image.Mutate(x => x.ApplyProcessor(this.processor)); |
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Assert.True(this.provider.HasCreated(this.image)); |
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Assert.Contains(this.processor, this.provider.AppliedOperations(this.image).Select(x=>x.Processor)); |
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} |
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[Fact] |
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public void MutateCallsImageOperationsProvider_ListOfProcessors_OriginalImage() |
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{ |
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this.image.Mutate(this.processor); |
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Assert.True(this.provider.HasCreated(this.image)); |
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Assert.Contains(this.processor, this.provider.AppliedOperations(this.image).Select(x => x.Processor)); |
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} |
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[Fact] |
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public void CloneCallsImageOperationsProvider_Func_WithDuplicateImage() |
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{ |
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var returned = this.image.Clone(x => x.ApplyProcessor(this.processor)); |
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Assert.True(this.provider.HasCreated(returned)); |
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Assert.Contains(this.processor, this.provider.AppliedOperations(returned).Select(x => x.Processor)); |
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} |
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[Fact] |
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public void CloneCallsImageOperationsProvider_ListOfProcessors_WithDuplicateImage() |
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{ |
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var returned = this.image.Clone(this.processor); |
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Assert.True(this.provider.HasCreated(returned)); |
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Assert.Contains(this.processor, this.provider.AppliedOperations(returned).Select(x => x.Processor)); |
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} |
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[Fact] |
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public void CloneCallsImageOperationsProvider_Func_NotOnOrigional() |
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{ |
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var returned = this.image.Clone(x => x.ApplyProcessor(this.processor)); |
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Assert.False(this.provider.HasCreated(this.image)); |
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Assert.DoesNotContain(this.processor, this.provider.AppliedOperations(this.image).Select(x => x.Processor)); |
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} |
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[Fact] |
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public void CloneCallsImageOperationsProvider_ListOfProcessors_NotOnOrigional() |
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{ |
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var returned = this.image.Clone(this.processor); |
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Assert.False(this.provider.HasCreated(this.image)); |
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Assert.DoesNotContain(this.processor, this.provider.AppliedOperations(this.image).Select(x => x.Processor)); |
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} |
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[Fact] |
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public void ApplyProcessors_ListOfProcessors_AppliesALlProcessorsToOperation() |
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{ |
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var operations = new FakeImageOperationsProvider.FakeImageOperations<Rgba32>(null); |
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operations.ApplyProcessors(this.processor); |
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Assert.Contains(this.processor, operations.applied.Select(x => x.Processor)); |
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} |
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public void Dispose() |
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{ |
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this.image.Dispose(); |
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} |
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} |
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public class RunImageOperation : BaseImageOperationsExtensionTest |
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{ |
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[Fact] |
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public void Run_CreatedDelegateProcessor() |
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{ |
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Action<Image<Rgba32>> action = (i) => { }; |
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this.operations.Run(action); |
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DelegateImageProcessor<Rgba32> processor = this.Verify<DelegateImageProcessor<Rgba32>>(); |
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Assert.Equal(action, processor.Action); |
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} |
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} |
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} |
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