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jerviscuijerviscui
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Add Struct layout test
1 parent ec2daa7 commit 5f3a991

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3 files changed

+115
-17
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3 files changed

+115
-17
lines changed

‎src/Tests/StructTest/Program.cs‎

Lines changed: 18 additions & 16 deletions
Original file line numberDiff line numberDiff line change
@@ -7,31 +7,33 @@ internal static class Program
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88
private static void Main(string[] args)
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{
10-
var m1 = new Measurement();
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Console.WriteLine(m1); // output: NaN (Undefined)
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//var m1 = new Measurement();
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//Console.WriteLine(m1); // output: NaN (Undefined)
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var m2 = default(Measurement);
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Console.WriteLine(m2); // output: 0 ()
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//var m2 = default(Measurement);
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//Console.WriteLine(m2); // output: 0 ()
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var ms = new Measurement[2];
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Console.WriteLine(string.Join(", ", ms)); // output: 0 (), 0 ()
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//var ms = new Measurement[2];
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//Console.WriteLine(string.Join(", ", ms)); // output: 0 (), 0 ()
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ValueTypeTest.ShowSize();
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//ValueTypeTest.ShowSize();
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ValueTypeTest.OutOfPrecision_True_Test();
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ValueTypeTest.OutOfPrecision_True2_Test();
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ValueTypeTest.OutOfPrecision_False_Test();
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//ValueTypeTest.OutOfPrecision_True_Test();
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//ValueTypeTest.OutOfPrecision_True2_Test();
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//ValueTypeTest.OutOfPrecision_False_Test();
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Console.WriteLine();
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ValueTypeTest.EffectiveLength_4();
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//Console.WriteLine();
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//ValueTypeTest.EffectiveLength_4();
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Console.WriteLine();
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ValueTypeTest.RoundAlgorithm();
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//Console.WriteLine();
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//ValueTypeTest.RoundAlgorithm();
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ValidationTest.ValidationError();
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Console.WriteLine();
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//ValidationTest.ValidationError();
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//Console.WriteLine();
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//ValidationTest.ValidationAllow();
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StructTest.Test();
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//var config = DefaultConfig.Instance
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// .WithArtifactsPath(
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// $".\\BenchmarkDotNet.Aritfacts.{DateTime.Now.ToString("u").Replace(' ', '_').Replace(':', '-')}")

‎src/Tests/StructTest/StructTest.cs‎

Lines changed: 95 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,95 @@
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using ObjectLayoutInspector;
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using System.Runtime.InteropServices;
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namespace StructTest;
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internal static class StructTest
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{
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#region Constants & Statics
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public static void Test()
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{
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var box = new BoxStruct(false, 0, new InnerStruct(100, true));
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TypeLayout.PrintLayout(box.GetType(), true);
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// LayoutKind.Auto
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//Type layout for 'BoxStruct'
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//Size: 16 bytes. Paddings: 5 bytes (%31 of empty space)
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//|=========================================|
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//| 0-3: Int32 _intField (4 bytes) |
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//|-----------------------------------------|
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//| 4: Boolean _boolField (1 byte) |
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//|-----------------------------------------|
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//| 5-7: padding (3 bytes) |
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//|-----------------------------------------|
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//| 8-15: InnerStruct _inner (8 bytes) |
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//| |=====================================| |
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//| | 0-3: Int32 _intField (4 bytes) | |
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//| |-------------------------------------| |
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//| | 4: Boolean _boolField2 (1 byte) | |
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//| |-------------------------------------| |
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//| | 5: Boolean _boolField (1 byte) | |
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//| |-------------------------------------| |
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//| | 6-7: padding (2 bytes) | |
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//| |=====================================| |
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//|=========================================|
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//LayoutKind.Sequential
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//Type layout for 'BoxStruct'
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//Size: 20 bytes. Paddings: 9 bytes (%45 of empty space)
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//|=========================================|
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//| 0: Boolean _boolField (1 byte) |
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//|-----------------------------------------|
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//| 1-3: padding (3 bytes) |
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//|-----------------------------------------|
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//| 4-7: Int32 _intField (4 bytes) |
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//|-----------------------------------------|
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//| 8-19: InnerStruct _inner (12 bytes) |
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//| |=====================================| |
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//| | 0: Boolean _boolField2 (1 byte) | |
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//| |-------------------------------------| |
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//| | 1-3: padding (3 bytes) | |
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//| |-------------------------------------| |
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//| | 4-7: Int32 _intField (4 bytes) | |
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//| |-------------------------------------| |
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//| | 8: Boolean _boolField (1 byte) | |
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//| |-------------------------------------| |
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//| | 9-11: padding (3 bytes) | |
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//| |=====================================| |
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//|=========================================|
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}
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#endregion
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}
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[StructLayout(LayoutKind.Sequential)]
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public readonly record struct BoxStruct
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{
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public readonly bool _boolField;
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public readonly int _intField;
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public readonly InnerStruct _inner;
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public BoxStruct(bool boolField, int intField, InnerStruct inner)
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{
77+
_boolField = boolField;
78+
_intField = intField;
79+
_inner = inner;
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}
81+
}
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83+
[StructLayout(LayoutKind.Sequential)]
84+
public readonly record struct InnerStruct
85+
{
86+
public readonly bool _boolField2;
87+
public readonly int _intField;
88+
public readonly bool _boolField;
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90+
public InnerStruct(int intField, bool boolField)
91+
{
92+
_intField = intField;
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_boolField = boolField;
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}
95+
}

‎src/Tests/StructTest/StructTest.csproj‎

Lines changed: 2 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -8,7 +8,8 @@
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</PropertyGroup>
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1010
<ItemGroup>
11-
<PackageReference Include="BenchmarkDotNet" Version="0.15.2" />
11+
<PackageReference Include="BenchmarkDotNet" Version="0.15.6" />
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<PackageReference Include="ObjectLayoutInspector" Version="0.1.4" />
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</ItemGroup>
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</Project>

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