59 lines
2.0 KiB
C#
59 lines
2.0 KiB
C#
using System.Linq;
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using Age.Engine.Model;
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using Age.Engine.Sys4;
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using Xunit;
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public class CurDecoderTests
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{
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[Fact]
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public void HimegariCursor_DecodesPixelsAndHotspot()
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{
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var resources = ResourceMap.Load();
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var entry = resources.ResolveCursor(0x3318);
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Assert.NotNull(entry);
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Assert.Equal("CURSOR03.CUR", entry!.Name);
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var cursor = resources.DecodeCursor(entry);
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Assert.Equal(32, cursor.Image.Width);
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Assert.Equal(32, cursor.Image.Height);
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Assert.Equal(25, cursor.HotspotX);
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Assert.Equal(25, cursor.HotspotY);
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Assert.Contains(cursor.Image.Pixels.Where((_, i) => i % 4 == 3), alpha => alpha == 0);
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Assert.Contains(cursor.Image.Pixels.Where((_, i) => i % 4 == 3), alpha => alpha == 255);
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}
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[Fact]
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public void HimegariPanCursor_DecodesFourBitPixelsAndHotspot()
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{
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var resources = ResourceMap.Load();
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var entry = resources.ResolveCursor(0x32ce);
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Assert.NotNull(entry);
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Assert.Equal("CURSOR09.CUR", entry!.Name);
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var cursor = resources.DecodeCursor(entry);
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Assert.Equal(32, cursor.Image.Width);
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Assert.Equal(32, cursor.Image.Height);
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Assert.Equal(16, cursor.HotspotX);
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Assert.Equal(14, cursor.HotspotY);
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AssertPixel(cursor.Image, 0, 0, 0, 0, 0, 0);
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AssertPixel(cursor.Image, 10, 10, 128, 128, 128, 255);
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AssertPixel(cursor.Image, 12, 24, 0, 0, 128, 255);
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}
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[Fact]
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public void TruncatedCursor_IsRejected()
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=> Assert.Throws<InvalidDataException>(() => CurDecoder.Decode(new byte[21], "bad.cur"));
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private static void AssertPixel(RgbaImage image, int x, int y,
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byte r, byte g, byte b, byte a)
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{
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int offset = (y * image.Width + x) * 4;
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Assert.Equal(r, image.Pixels[offset]);
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Assert.Equal(g, image.Pixels[offset + 1]);
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Assert.Equal(b, image.Pixels[offset + 2]);
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Assert.Equal(a, image.Pixels[offset + 3]);
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}
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}
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