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StructLayoutTests.cs

v0.1.0-build.85 Latest Commit ede38f5

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csharp
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5e1629aca7d7…
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1using System;
2using System.Runtime.InteropServices;
3using OpenCKey.Interop;
4using Xunit;
5
6namespace OpenCKey.Tests
7{
8 // The expected numbers come from sdk/dotnet/native/tools/layout_probe.c
9 // (recorded in layout_expected.txt) on 64-bit ABIs.
10 public unsafe class StructLayoutTests
11 {
12 private static int Off<T>(string field) => (int)Marshal.OffsetOf<T>(field);
13
14 [Fact]
15 public void RunsOn64Bit() => Assert.Equal(8, IntPtr.Size);
16
17 [Fact]
18 public void Sizes()
19 {
20 Assert.Equal(112, Marshal.SizeOf<NativeDiagnostics>());
21 Assert.Equal(8216, Marshal.SizeOf<NativeScalableSymbol>());
22 Assert.Equal(3, Marshal.SizeOf<NativeRgb>());
23 Assert.Equal(96, Marshal.SizeOf<NativeStyle>());
24 Assert.Equal(24, Marshal.SizeOf<NativeLogoImage>());
25 Assert.Equal(48, Marshal.SizeOf<NativeRasterOptions>());
26 Assert.Equal(40, Marshal.SizeOf<NativeBackdrop>());
27 Assert.Equal(48, Marshal.SizeOf<NativeScanModel>());
28 Assert.Equal(304, Marshal.SizeOf<NativeCertification>());
29 Assert.Equal(96, Marshal.SizeOf<NativeTelemetryHistogram>());
30 Assert.Equal(264, Marshal.SizeOf<NativeTelemetryCounters>());
31 // The blittable (unmanaged) size the P/Invokes actually use agrees.
32 Assert.Equal(112, sizeof(NativeDiagnostics));
33 Assert.Equal(8216, sizeof(NativeScalableSymbol));
34 Assert.Equal(96, sizeof(NativeStyle));
35 Assert.Equal(48, sizeof(NativeRasterOptions));
36 Assert.Equal(40, sizeof(NativeBackdrop));
37 Assert.Equal(48, sizeof(NativeScanModel));
38 Assert.Equal(304, sizeof(NativeCertification));
39 Assert.Equal(264, sizeof(NativeTelemetryCounters));
40 }
41
42 [Fact]
43 public void DiagnosticsAndSymbolOffsets()
44 {
45 Assert.Equal(4, Off<NativeDiagnostics>(nameof(NativeDiagnostics.Status)));
46 Assert.Equal(16, Off<NativeDiagnostics>(nameof(NativeDiagnostics.Message)));
47 Assert.Equal(20, Off<NativeScalableSymbol>(nameof(NativeScalableSymbol.CodewordLength)));
48 Assert.Equal(24, Off<NativeScalableSymbol>(nameof(NativeScalableSymbol.Codeword)));
49 }
50
51 [Fact]
52 public void StyleOffsets()
53 {
54 Assert.Equal(3, Off<NativeStyle>(nameof(NativeStyle.BackgroundEdge)));
55 Assert.Equal(6, Off<NativeStyle>(nameof(NativeStyle.Ink)));
56 Assert.Equal(9, Off<NativeStyle>(nameof(NativeStyle.InkShade)));
57 Assert.Equal(12, Off<NativeStyle>(nameof(NativeStyle.Accent0)));
58 Assert.Equal(21, Off<NativeStyle>(nameof(NativeStyle.Accent3)));
59 Assert.Equal(24, Off<NativeStyle>(nameof(NativeStyle.AccentCount)));
60 Assert.Equal(28, Off<NativeStyle>(nameof(NativeStyle.AccentPercent)));
61 Assert.Equal(32, Off<NativeStyle>(nameof(NativeStyle.Modules)));
62 Assert.Equal(36, Off<NativeStyle>(nameof(NativeStyle.Rings)));
63 Assert.Equal(40, Off<NativeStyle>(nameof(NativeStyle.Rays)));
64 Assert.Equal(48, Off<NativeStyle>(nameof(NativeStyle.Bevel)));
65 Assert.Equal(56, Off<NativeStyle>(nameof(NativeStyle.Shadow)));
66 Assert.Equal(64, Off<NativeStyle>(nameof(NativeStyle.Texture)));
67 Assert.Equal(72, Off<NativeStyle>(nameof(NativeStyle.LogoHref)));
68 Assert.Equal(80, Off<NativeStyle>(nameof(NativeStyle.LogoRadius)));
69 Assert.Equal(88, Off<NativeStyle>(nameof(NativeStyle.LogoPlate)));
70 Assert.Equal(92, Off<NativeStyle>(nameof(NativeStyle.Policy)));
71 }
72
73 [Fact]
74 public void RasterBackdropModelCertificationOffsets()
75 {
76 Assert.Equal(16, Off<NativeLogoImage>(nameof(NativeLogoImage.Stride)));
77 Assert.Equal(20, Off<NativeRasterOptions>(nameof(NativeRasterOptions.Supersample)));
78 Assert.Equal(24, Off<NativeRasterOptions>(nameof(NativeRasterOptions.MinFeaturePx)));
79 Assert.Equal(32, Off<NativeRasterOptions>(nameof(NativeRasterOptions.Materials)));
80 Assert.Equal(40, Off<NativeRasterOptions>(nameof(NativeRasterOptions.Logo)));
81 Assert.Equal(8, Off<NativeBackdrop>(nameof(NativeBackdrop.ColourCount)));
82 Assert.Equal(16, Off<NativeBackdrop>(nameof(NativeBackdrop.Rgba)));
83 Assert.Equal(24, Off<NativeBackdrop>(nameof(NativeBackdrop.Width)));
84 Assert.Equal(32, Off<NativeBackdrop>(nameof(NativeBackdrop.Stride)));
85 Assert.Equal(8, Off<NativeScanModel>(nameof(NativeScanModel.PxPerModule)));
86 Assert.Equal(40, Off<NativeScanModel>(nameof(NativeScanModel.Trials)));
87 Assert.Equal(24, Off<NativeCertification>(nameof(NativeCertification.MinContrast)));
88 Assert.Equal(40, Off<NativeCertification>(nameof(NativeCertification.LogoLoad)));
89 Assert.Equal(48, Off<NativeCertification>(nameof(NativeCertification.Message)));
90 }
91
92 [Fact]
93 public void TelemetryOffsets()
94 {
95 Assert.Equal(16, Off<NativeTelemetryHistogram>(nameof(NativeTelemetryHistogram.Buckets)));
96 Assert.Equal(32, Off<NativeTelemetryCounters>(nameof(NativeTelemetryCounters.Decoded)));
97 Assert.Equal(72, Off<NativeTelemetryCounters>(nameof(NativeTelemetryCounters.TimeToDecodeMs)));
98 Assert.Equal(168, Off<NativeTelemetryCounters>(nameof(NativeTelemetryCounters.FrameMs)));
99 }
100
101 [Fact]
102 public void NativeAbiMatches()
103 {
104 Assert.Equal((int)NativeConstants.AbiVersion, CKey.AbiVersion);
105 }
106 }
107}