Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
- Loading branch information
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,162 @@ | ||
| #region Copyright & License Information | ||
| /* | ||
| * Copyright (c) The OpenRA Developers and Contributors | ||
| * This file is part of OpenRA, which is free software. It is made | ||
| * available to you under the terms of the GNU General Public License | ||
| * as published by the Free Software Foundation, either version 3 of | ||
| * the License, or (at your option) any later version. For more | ||
| * information, see COPYING. | ||
| */ | ||
| #endregion | ||
|
|
||
| using System.IO; | ||
| using System.Linq; | ||
| using NUnit.Framework; | ||
| using OpenRA.FileFormats; | ||
| using OpenRA.Graphics; | ||
| using OpenRA.Primitives; | ||
|
|
||
| namespace OpenRA.Test | ||
| { | ||
| [TestFixture] | ||
| public class PngTests | ||
| { | ||
| [Test] | ||
| public void Save_ShouldProduceValidPngFile() | ||
| { | ||
| // Arrange | ||
| var colors = Enumerable.Range(0, 256).Select(i => Color.FromArgb(i, i, i)).ToArray(); | ||
| var png = new Png(new byte[10 * 20], SpriteFrameType.Indexed8, 10, 20, colors); | ||
|
|
||
| // Act | ||
| var result = png.Save(); | ||
|
|
||
| // Assert | ||
| Assert.IsTrue(Png.Verify(new MemoryStream(result))); | ||
| } | ||
|
|
||
| [Test] | ||
| public void Save_Method_Should_Write_Indexed8_Palette_If_256_Colors_Or_Less() | ||
| { | ||
| // Arrange | ||
| var colors = Enumerable.Range(0, 256).Select(i => Color.FromArgb(i, i, i)).ToArray(); | ||
| var png = new Png(new byte[10 * 20], SpriteFrameType.Indexed8, 10, 20, colors); | ||
|
|
||
| // Act | ||
| var result = png.Save(); | ||
|
|
||
| // Assert | ||
| // Byte at index 25 contains color type information | ||
| // 0x03 represents Indexed8 with a palette | ||
| var colorTypeByte = result[25]; | ||
| Assert.That(colorTypeByte, Is.EqualTo(0x03)); | ||
| } | ||
|
|
||
| [Test] | ||
| public void Save_Method_Should_Write_Rgba32_If_Alpha_Channel_Required() | ||
| { | ||
| // Arrange | ||
| var png = new Png(new byte[10 * 20 * 4], SpriteFrameType.Rgba32, 10, 20); | ||
|
|
||
| // Act | ||
| var result = png.Save(); | ||
|
|
||
| // Assert | ||
| // Byte at index 25 contains color type information | ||
| // 0x06 represents RGBA32 with alpha | ||
| var colorTypeByte = result[25]; | ||
| Assert.That(colorTypeByte, Is.EqualTo(0x06)); | ||
| } | ||
|
|
||
| [Test] | ||
| public void Save_ShouldThrowException_WhenDataLenghtNotEqualExpectedLenght() | ||
| { | ||
| // Arrange | ||
| var colors = Enumerable.Range(0, 256).Select(i => Color.FromArgb(i, i, i)).ToArray(); | ||
|
|
||
| // Act | ||
| void TestDelegate() => new Png(new byte[10 * 20], SpriteFrameType.Indexed8, 100, 20, colors); | ||
|
|
||
| // Assert | ||
| var ex = Assert.Throws<InvalidDataException>(TestDelegate); | ||
| Assert.That(ex.Message, Is.EqualTo("Input data does not match expected length")); | ||
| } | ||
|
|
||
| [Test] | ||
| public void PngConstructor_InvalidSignature_ThrowsInvalidDataException() | ||
| { | ||
| // Arrange | ||
| byte[] invalidSignature = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07 }; | ||
|
|
||
| // Act & Assert | ||
| var exception = Assert.Throws<InvalidDataException>(() => new Png(new MemoryStream(invalidSignature))); | ||
| StringAssert.Contains("PNG Signature is bogus", exception.Message); | ||
| } | ||
|
|
||
| [Test] | ||
| public void PngConstructor_HeaderNotFirst_ThrowsInvalidDataException() | ||
| { | ||
| // Arrange | ||
| var invalidPngData = new byte[] | ||
| { | ||
| 0x89, 0x50, 0x4e, 0x47, 0x0d, 0x0a, 0x1a, 0x0a, | ||
| 0x00, 0x00, 0x00, 0x00, 0x49, 0x45, 0x4e, 0x44, | ||
| 0x00, 0x00, 0x00, 0x00, | ||
| }; | ||
|
|
||
| // Act & Assert | ||
| var exception = Assert.Throws<InvalidDataException>(() => new Png(new MemoryStream(invalidPngData))); | ||
| StringAssert.Contains("Invalid PNG file - header does not appear first.", exception.Message); | ||
| } | ||
|
|
||
| [Test] | ||
| public void PngConstructor_DuplicateIhdrHeader_ThrowsInvalidDataException() | ||
| { | ||
| // Arrange | ||
| var invalidPngData = new byte[] | ||
| { | ||
| 0x89, 0x50, 0x4e, 0x47, 0x0d, 0x0a, 0x1a, 0x0a, | ||
| 0x00, 0x00, 0x00, 0x0d, 0x49, 0x48, 0x44, 0x52, | ||
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
| 0x49, 0x48, 0x44, 0x52, 0x00, 0x00, 0x00, 0x00, | ||
| }; | ||
|
|
||
| using (var stream = new MemoryStream(invalidPngData)) | ||
| { | ||
| // Act & Assert | ||
| var exception = Assert.Throws<EndOfStreamException>(() => new Png(stream)); | ||
| } | ||
| } | ||
|
|
||
| public void PngConstructor_CompressionMethodNotSupported_ThrowsInvalidDataException() | ||
| { | ||
| // Arrange | ||
| var invalidPngData = new byte[] | ||
| { | ||
| 0x89, 0x50, 0x4e, 0x47, 0x0d, 0x0a, 0x1a, 0x0a, | ||
| 0x00, 0x00, 0x00, 0x0d, 0x49, 0x48, 0x44, 0x52, | ||
| 0x00, 0x00, 0x00, 0x00, 0x08, 0x02, 0x00, 0x00, | ||
| 0x49, 0x48, 0x44, 0x52, 0x00, 0x00, 0x00, 0x00, | ||
| }; | ||
|
|
||
| using (var stream = new MemoryStream(invalidPngData)) | ||
| { | ||
| // Act & Assert | ||
| var exception = Assert.Throws<InvalidDataException>(() => new Png(stream)); | ||
| Assert.AreEqual("Compression method not supported", exception.Message); | ||
| } | ||
| } | ||
|
|
||
| [Test] | ||
| public void Constructor_ThrowsExceptionForNullPaletteIfTypeIsIndexed8() | ||
| { | ||
| // Arrange | ||
| const int Width = 100; | ||
| const int Height = 100; | ||
| const SpriteFrameType Type = SpriteFrameType.Indexed8; | ||
|
|
||
| // Act and Assert | ||
| Assert.Throws<InvalidDataException>(() => new Png(new byte[Width * Height], Type, Width, Height, null)); | ||
| } | ||
| } | ||
| } |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Oops, something went wrong.