Adding explicit tests covering C style unions (#107)
This commit is contained in:
Tanner Gooding
GitHub
Родитель
5767d08aba
Коммит
dc05b769f8
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@ -521,6 +521,10 @@ namespace ClangSharp
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var nestedRecordDeclName = GetRemappedCursorName(nestedRecordDecl);
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var nestedRecordDeclTypeName = GetRemappedTypeName(nestedRecordDecl, nestedRecordDecl.TypeForDecl, out _);
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if (recordDecl.IsUnion)
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{
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_outputBuilder.WriteIndentedLine("[FieldOffset(0)]");
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}
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AddNativeTypeNameAttribute(nestedRecordDeclTypeName);
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_outputBuilder.WriteIndented(GetAccessSpecifierName(nestedRecordDecl));
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@ -529,6 +533,8 @@ namespace ClangSharp
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_outputBuilder.Write(' ');
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_outputBuilder.Write(GetRemappedAnonymousName(nestedRecordDecl, "Field"));
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_outputBuilder.WriteLine(';');
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fieldCount++;
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}
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}
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@ -0,0 +1,781 @@
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// Copyright (c) Microsoft and Contributors. All rights reserved. Licensed under the University of Illinois/NCSA Open Source License. See LICENSE.txt in the project root for license information.
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using System.Collections.Generic;
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using System.Threading.Tasks;
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using Xunit;
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namespace ClangSharp.UnitTests
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{
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public sealed class UnionDeclarationTest : PInvokeGeneratorTest
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{
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[Theory]
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[InlineData("double", "double")]
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[InlineData("short", "short")]
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[InlineData("int", "int")]
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[InlineData("float", "float")]
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public async Task BasicTest(string nativeType, string expectedManagedType)
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{
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var inputContents = $@"union MyUnion
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{{
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{nativeType} r;
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{nativeType} g;
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{nativeType} b;
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}};
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";
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var expectedOutputContents = $@"using System.Runtime.InteropServices;
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namespace ClangSharp.Test
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{{
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[StructLayout(LayoutKind.Explicit)]
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public partial struct MyUnion
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{{
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[FieldOffset(0)]
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public {expectedManagedType} r;
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[FieldOffset(0)]
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public {expectedManagedType} g;
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[FieldOffset(0)]
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public {expectedManagedType} b;
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}}
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}}
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";
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await ValidateGeneratedBindings(inputContents, expectedOutputContents);
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}
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[Theory]
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[InlineData("unsigned char", "byte")]
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[InlineData("long long", "long")]
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[InlineData("signed char", "sbyte")]
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[InlineData("unsigned short", "ushort")]
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[InlineData("unsigned int", "uint")]
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[InlineData("unsigned long long", "ulong")]
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public async Task BasicWithNativeTypeNameTest(string nativeType, string expectedManagedType)
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{
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var inputContents = $@"union MyUnion
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{{
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{nativeType} r;
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{nativeType} g;
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{nativeType} b;
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}};
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";
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var expectedOutputContents = $@"using System.Runtime.InteropServices;
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namespace ClangSharp.Test
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{{
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[StructLayout(LayoutKind.Explicit)]
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public partial struct MyUnion
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{{
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[FieldOffset(0)]
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[NativeTypeName(""{nativeType}"")]
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public {expectedManagedType} r;
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[FieldOffset(0)]
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[NativeTypeName(""{nativeType}"")]
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public {expectedManagedType} g;
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[FieldOffset(0)]
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[NativeTypeName(""{nativeType}"")]
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public {expectedManagedType} b;
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}}
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}}
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";
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await ValidateGeneratedBindings(inputContents, expectedOutputContents);
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}
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[Fact]
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public async Task ExcludeTest()
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{
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var inputContents = "typedef union MyUnion MyUnion;";
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var expectedOutputContents = string.Empty;
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var excludedNames = new string[] { "MyUnion" };
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await ValidateGeneratedBindings(inputContents, expectedOutputContents, excludedNames);
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}
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[Theory]
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[InlineData("double", "double")]
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[InlineData("short", "short")]
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[InlineData("int", "int")]
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[InlineData("float", "float")]
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public async Task FixedSizedBufferNonPrimitiveCompatibleTest(string nativeType, string expectedManagedType)
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{
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var inputContents = $@"union MyUnion
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{{
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{nativeType} value;
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}};
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union MyOtherUnion
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{{
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MyUnion c[3];
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}};
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";
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var expectedOutputContents = $@"using System.Runtime.InteropServices;
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namespace ClangSharp.Test
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{{
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[StructLayout(LayoutKind.Explicit)]
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public partial struct MyUnion
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{{
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[FieldOffset(0)]
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public {expectedManagedType} value;
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}}
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[StructLayout(LayoutKind.Explicit)]
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public partial struct MyOtherUnion
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{{
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[FieldOffset(0)]
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[NativeTypeName(""MyUnion [3]"")]
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public _c_e__FixedBuffer c;
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public partial struct _c_e__FixedBuffer
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{{
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internal MyUnion e0;
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internal MyUnion e1;
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internal MyUnion e2;
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public unsafe ref MyUnion this[int index]
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{{
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get
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{{
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fixed (MyUnion* pThis = &e0)
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{{
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return ref pThis[index];
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}}
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}}
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}}
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}}
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}}
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}}
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";
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await ValidateGeneratedCompatibleBindings(inputContents, expectedOutputContents);
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}
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[Theory]
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[InlineData("double", "double")]
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[InlineData("short", "short")]
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[InlineData("int", "int")]
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[InlineData("float", "float")]
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public async Task FixedSizedBufferNonPrimitiveTest(string nativeType, string expectedManagedType)
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{
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var inputContents = $@"union MyUnion
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{{
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{nativeType} value;
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}};
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union MyOtherUnion
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{{
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MyUnion c[3];
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}};
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";
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var expectedOutputContents = $@"using System;
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using System.Runtime.InteropServices;
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namespace ClangSharp.Test
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{{
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[StructLayout(LayoutKind.Explicit)]
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public partial struct MyUnion
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{{
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[FieldOffset(0)]
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public {expectedManagedType} value;
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}}
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[StructLayout(LayoutKind.Explicit)]
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public partial struct MyOtherUnion
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{{
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[FieldOffset(0)]
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[NativeTypeName(""MyUnion [3]"")]
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public _c_e__FixedBuffer c;
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public partial struct _c_e__FixedBuffer
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{{
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internal MyUnion e0;
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internal MyUnion e1;
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internal MyUnion e2;
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public ref MyUnion this[int index] => ref AsSpan()[index];
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public Span<MyUnion> AsSpan() => MemoryMarshal.CreateSpan(ref e0, 3);
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}}
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}}
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}}
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";
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await ValidateGeneratedBindings(inputContents, expectedOutputContents);
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}
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[Theory]
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[InlineData("unsigned char", "byte")]
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[InlineData("long long", "long")]
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[InlineData("signed char", "sbyte")]
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[InlineData("unsigned short", "ushort")]
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[InlineData("unsigned int", "uint")]
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[InlineData("unsigned long long", "ulong")]
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public async Task FixedSizedBufferNonPrimitiveWithNativeTypeNameCompatibleTest(string nativeType, string expectedManagedType)
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{
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var inputContents = $@"union MyUnion
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{{
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{nativeType} value;
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}};
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union MyOtherUnion
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{{
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MyUnion c[3];
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}};
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";
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var expectedOutputContents = $@"using System.Runtime.InteropServices;
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namespace ClangSharp.Test
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{{
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[StructLayout(LayoutKind.Explicit)]
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public partial struct MyUnion
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{{
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[FieldOffset(0)]
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[NativeTypeName(""{nativeType}"")]
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public {expectedManagedType} value;
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}}
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[StructLayout(LayoutKind.Explicit)]
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public partial struct MyOtherUnion
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{{
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[FieldOffset(0)]
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[NativeTypeName(""MyUnion [3]"")]
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public _c_e__FixedBuffer c;
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public partial struct _c_e__FixedBuffer
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{{
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internal MyUnion e0;
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internal MyUnion e1;
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internal MyUnion e2;
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public unsafe ref MyUnion this[int index]
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{{
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get
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{{
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fixed (MyUnion* pThis = &e0)
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{{
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return ref pThis[index];
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}}
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}}
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}}
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}}
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}}
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}}
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";
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await ValidateGeneratedCompatibleBindings(inputContents, expectedOutputContents);
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}
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[Theory]
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[InlineData("unsigned char", "byte")]
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[InlineData("long long", "long")]
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[InlineData("signed char", "sbyte")]
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[InlineData("unsigned short", "ushort")]
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[InlineData("unsigned int", "uint")]
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[InlineData("unsigned long long", "ulong")]
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public async Task FixedSizedBufferNonPrimitiveWithNativeTypeNameTest(string nativeType, string expectedManagedType)
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{
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var inputContents = $@"union MyUnion
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{{
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{nativeType} value;
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}};
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union MyOtherUnion
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{{
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MyUnion c[3];
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}};
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";
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var expectedOutputContents = $@"using System;
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using System.Runtime.InteropServices;
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namespace ClangSharp.Test
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{{
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[StructLayout(LayoutKind.Explicit)]
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public partial struct MyUnion
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{{
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[FieldOffset(0)]
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[NativeTypeName(""{nativeType}"")]
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public {expectedManagedType} value;
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}}
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[StructLayout(LayoutKind.Explicit)]
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public partial struct MyOtherUnion
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{{
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[FieldOffset(0)]
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[NativeTypeName(""MyUnion [3]"")]
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public _c_e__FixedBuffer c;
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public partial struct _c_e__FixedBuffer
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{{
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internal MyUnion e0;
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internal MyUnion e1;
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internal MyUnion e2;
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public ref MyUnion this[int index] => ref AsSpan()[index];
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public Span<MyUnion> AsSpan() => MemoryMarshal.CreateSpan(ref e0, 3);
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}}
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}}
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}}
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";
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await ValidateGeneratedBindings(inputContents, expectedOutputContents);
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}
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[Theory]
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[InlineData("unsigned char", "byte")]
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[InlineData("double", "double")]
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[InlineData("short", "short")]
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[InlineData("int", "int")]
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[InlineData("long long", "long")]
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[InlineData("signed char", "sbyte")]
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[InlineData("float", "float")]
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[InlineData("unsigned short", "ushort")]
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[InlineData("unsigned int", "uint")]
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[InlineData("unsigned long long", "ulong")]
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public async Task FixedSizedBufferPrimitiveTest(string nativeType, string expectedManagedType)
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{
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var inputContents = $@"union MyUnion
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{{
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{nativeType} c[3];
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}};
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";
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var expectedOutputContents = $@"using System.Runtime.InteropServices;
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namespace ClangSharp.Test
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{{
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[StructLayout(LayoutKind.Explicit)]
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public unsafe partial struct MyUnion
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{{
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[FieldOffset(0)]
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[NativeTypeName(""{nativeType} [3]"")]
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public fixed {expectedManagedType} c[3];
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}}
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}}
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";
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await ValidateGeneratedBindings(inputContents, expectedOutputContents);
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}
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[Theory]
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[InlineData("double", "double", 7, 5)]
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[InlineData("short", "short", 7, 5)]
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[InlineData("int", "int", 7, 5)]
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[InlineData("float", "float", 7, 5)]
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public async Task NestedAnonymousTest(string nativeType, string expectedManagedType, int line, int column)
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{
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var inputContents = $@"union MyUnion
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{{
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{nativeType} r;
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{nativeType} g;
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{nativeType} b;
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union
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{{
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{nativeType} a;
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}};
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}};
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";
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var expectedOutputContents = $@"using System.Runtime.InteropServices;
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namespace ClangSharp.Test
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{{
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[StructLayout(LayoutKind.Explicit)]
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public partial struct MyUnion
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{{
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[FieldOffset(0)]
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public {expectedManagedType} r;
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[FieldOffset(0)]
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public {expectedManagedType} g;
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[FieldOffset(0)]
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public {expectedManagedType} b;
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[FieldOffset(0)]
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[NativeTypeName(""MyUnion::(anonymous union at ClangUnsavedFile.h:{line}:{column})"")]
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public __AnonymousRecord_ClangUnsavedFile_L{line}_C{column} __AnonymousField_ClangUnsavedFile_L{line}_C{column};
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[StructLayout(LayoutKind.Explicit)]
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public partial struct __AnonymousRecord_ClangUnsavedFile_L{line}_C{column}
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{{
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[FieldOffset(0)]
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public {expectedManagedType} a;
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}}
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}}
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}}
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";
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var expectedDiagnostics = new Diagnostic[] {
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new Diagnostic(DiagnosticLevel.Info, $"Anonymous declaration found in 'GetCursorName'. Falling back to '__AnonymousRecord_ClangUnsavedFile_L{line}_C{column}'.", $"Line {line}, Column {column} in ClangUnsavedFile.h")
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};
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await ValidateGeneratedBindings(inputContents, expectedOutputContents, expectedDiagnostics: expectedDiagnostics);
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}
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[Theory]
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[InlineData("double", "double")]
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[InlineData("short", "short")]
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[InlineData("int", "int")]
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[InlineData("float", "float")]
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public async Task NestedTest(string nativeType, string expectedManagedType)
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{
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var inputContents = $@"union MyUnion
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{{
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{nativeType} r;
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{nativeType} g;
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{nativeType} b;
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union MyNestedUnion
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{{
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{nativeType} r;
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{nativeType} g;
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{nativeType} b;
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{nativeType} a;
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}};
|
||||
}};
|
||||
";
|
||||
|
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var expectedOutputContents = $@"using System.Runtime.InteropServices;
|
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|
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namespace ClangSharp.Test
|
||||
{{
|
||||
[StructLayout(LayoutKind.Explicit)]
|
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public partial struct MyUnion
|
||||
{{
|
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[FieldOffset(0)]
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public {expectedManagedType} r;
|
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|
||||
[FieldOffset(0)]
|
||||
public {expectedManagedType} g;
|
||||
|
||||
[FieldOffset(0)]
|
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public {expectedManagedType} b;
|
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|
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[StructLayout(LayoutKind.Explicit)]
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public partial struct MyNestedUnion
|
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{{
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[FieldOffset(0)]
|
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public {expectedManagedType} r;
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|
||||
[FieldOffset(0)]
|
||||
public {expectedManagedType} g;
|
||||
|
||||
[FieldOffset(0)]
|
||||
public {expectedManagedType} b;
|
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|
||||
[FieldOffset(0)]
|
||||
public {expectedManagedType} a;
|
||||
}}
|
||||
}}
|
||||
}}
|
||||
";
|
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|
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await ValidateGeneratedBindings(inputContents, expectedOutputContents);
|
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}
|
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|
||||
[Theory]
|
||||
[InlineData("unsigned char", "byte")]
|
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[InlineData("long long", "long")]
|
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[InlineData("signed char", "sbyte")]
|
||||
[InlineData("unsigned short", "ushort")]
|
||||
[InlineData("unsigned int", "uint")]
|
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[InlineData("unsigned long long", "ulong")]
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public async Task NestedWithNativeTypeNameTest(string nativeType, string expectedManagedType)
|
||||
{
|
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var inputContents = $@"union MyUnion
|
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{{
|
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{nativeType} r;
|
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{nativeType} g;
|
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{nativeType} b;
|
||||
|
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union MyNestedUnion
|
||||
{{
|
||||
{nativeType} r;
|
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{nativeType} g;
|
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{nativeType} b;
|
||||
{nativeType} a;
|
||||
}};
|
||||
}};
|
||||
";
|
||||
|
||||
var expectedOutputContents = $@"using System.Runtime.InteropServices;
|
||||
|
||||
namespace ClangSharp.Test
|
||||
{{
|
||||
[StructLayout(LayoutKind.Explicit)]
|
||||
public partial struct MyUnion
|
||||
{{
|
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[FieldOffset(0)]
|
||||
[NativeTypeName(""{nativeType}"")]
|
||||
public {expectedManagedType} r;
|
||||
|
||||
[FieldOffset(0)]
|
||||
[NativeTypeName(""{nativeType}"")]
|
||||
public {expectedManagedType} g;
|
||||
|
||||
[FieldOffset(0)]
|
||||
[NativeTypeName(""{nativeType}"")]
|
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public {expectedManagedType} b;
|
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|
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[StructLayout(LayoutKind.Explicit)]
|
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public partial struct MyNestedUnion
|
||||
{{
|
||||
[FieldOffset(0)]
|
||||
[NativeTypeName(""{nativeType}"")]
|
||||
public {expectedManagedType} r;
|
||||
|
||||
[FieldOffset(0)]
|
||||
[NativeTypeName(""{nativeType}"")]
|
||||
public {expectedManagedType} g;
|
||||
|
||||
[FieldOffset(0)]
|
||||
[NativeTypeName(""{nativeType}"")]
|
||||
public {expectedManagedType} b;
|
||||
|
||||
[FieldOffset(0)]
|
||||
[NativeTypeName(""{nativeType}"")]
|
||||
public {expectedManagedType} a;
|
||||
}}
|
||||
}}
|
||||
}}
|
||||
";
|
||||
|
||||
await ValidateGeneratedBindings(inputContents, expectedOutputContents);
|
||||
}
|
||||
|
||||
[Fact]
|
||||
public async Task NoDefinitionTest()
|
||||
{
|
||||
var inputContents = "typedef union MyUnion MyUnion;";
|
||||
|
||||
var expectedOutputContents = $@"using System.Runtime.InteropServices;
|
||||
|
||||
namespace ClangSharp.Test
|
||||
{{
|
||||
[StructLayout(LayoutKind.Explicit)]
|
||||
public partial struct MyUnion
|
||||
{{
|
||||
}}
|
||||
}}
|
||||
";
|
||||
await ValidateGeneratedBindings(inputContents, expectedOutputContents);
|
||||
}
|
||||
|
||||
[Fact]
|
||||
public async Task RemapTest()
|
||||
{
|
||||
var inputContents = "typedef union _MyUnion MyUnion;";
|
||||
|
||||
var expectedOutputContents = $@"using System.Runtime.InteropServices;
|
||||
|
||||
namespace ClangSharp.Test
|
||||
{{
|
||||
[StructLayout(LayoutKind.Explicit)]
|
||||
public partial struct MyUnion
|
||||
{{
|
||||
}}
|
||||
}}
|
||||
";
|
||||
|
||||
var remappedNames = new Dictionary<string, string> { ["_MyUnion"] = "MyUnion" };
|
||||
await ValidateGeneratedBindings(inputContents, expectedOutputContents, excludedNames: null, remappedNames);
|
||||
}
|
||||
|
||||
[Fact]
|
||||
public async Task RemapNestedAnonymousTest()
|
||||
{
|
||||
var inputContents = @"union MyUnion
|
||||
{
|
||||
double r;
|
||||
double g;
|
||||
double b;
|
||||
|
||||
union
|
||||
{
|
||||
double a;
|
||||
};
|
||||
};";
|
||||
|
||||
var expectedOutputContents = @"using System.Runtime.InteropServices;
|
||||
|
||||
namespace ClangSharp.Test
|
||||
{
|
||||
[StructLayout(LayoutKind.Explicit)]
|
||||
public partial struct MyUnion
|
||||
{
|
||||
[FieldOffset(0)]
|
||||
public double r;
|
||||
|
||||
[FieldOffset(0)]
|
||||
public double g;
|
||||
|
||||
[FieldOffset(0)]
|
||||
public double b;
|
||||
|
||||
[FieldOffset(0)]
|
||||
[NativeTypeName(""MyUnion::(anonymous union at ClangUnsavedFile.h:7:5)"")]
|
||||
public _Anonymous_e__Union Anonymous;
|
||||
|
||||
[StructLayout(LayoutKind.Explicit)]
|
||||
public partial struct _Anonymous_e__Union
|
||||
{
|
||||
[FieldOffset(0)]
|
||||
public double a;
|
||||
}
|
||||
}
|
||||
}
|
||||
";
|
||||
|
||||
var remappedNames = new Dictionary<string, string> {
|
||||
["__AnonymousField_ClangUnsavedFile_L7_C5"] = "Anonymous",
|
||||
["__AnonymousRecord_ClangUnsavedFile_L7_C5"] = "_Anonymous_e__Union"
|
||||
};
|
||||
var expectedDiagnostics = new Diagnostic[] {
|
||||
new Diagnostic(DiagnosticLevel.Info, "Anonymous declaration found in 'GetCursorName'. Falling back to '__AnonymousRecord_ClangUnsavedFile_L7_C5'.", "Line 7, Column 5 in ClangUnsavedFile.h")
|
||||
};
|
||||
await ValidateGeneratedBindings(inputContents, expectedOutputContents, excludedNames: null, remappedNames, expectedDiagnostics);
|
||||
}
|
||||
|
||||
[Theory]
|
||||
[InlineData("double", "double")]
|
||||
[InlineData("short", "short")]
|
||||
[InlineData("int", "int")]
|
||||
[InlineData("float", "float")]
|
||||
public async Task SkipNonDefinitionTest(string nativeType, string expectedManagedType)
|
||||
{
|
||||
var inputContents = $@"typedef union MyUnion MyUnion;
|
||||
|
||||
union MyUnion
|
||||
{{
|
||||
{nativeType} r;
|
||||
{nativeType} g;
|
||||
{nativeType} b;
|
||||
}};
|
||||
";
|
||||
|
||||
var expectedOutputContents = $@"using System.Runtime.InteropServices;
|
||||
|
||||
namespace ClangSharp.Test
|
||||
{{
|
||||
[StructLayout(LayoutKind.Explicit)]
|
||||
public partial struct MyUnion
|
||||
{{
|
||||
[FieldOffset(0)]
|
||||
public {expectedManagedType} r;
|
||||
|
||||
[FieldOffset(0)]
|
||||
public {expectedManagedType} g;
|
||||
|
||||
[FieldOffset(0)]
|
||||
public {expectedManagedType} b;
|
||||
}}
|
||||
}}
|
||||
";
|
||||
|
||||
await ValidateGeneratedBindings(inputContents, expectedOutputContents);
|
||||
}
|
||||
|
||||
[Theory]
|
||||
[InlineData("unsigned char", "byte")]
|
||||
[InlineData("long long", "long")]
|
||||
[InlineData("signed char", "sbyte")]
|
||||
[InlineData("unsigned short", "ushort")]
|
||||
[InlineData("unsigned int", "uint")]
|
||||
[InlineData("unsigned long long", "ulong")]
|
||||
public async Task SkipNonDefinitionWithNativeTypeNameTest(string nativeType, string expectedManagedType)
|
||||
{
|
||||
var inputContents = $@"typedef union MyUnion MyUnion;
|
||||
|
||||
union MyUnion
|
||||
{{
|
||||
{nativeType} r;
|
||||
{nativeType} g;
|
||||
{nativeType} b;
|
||||
}};
|
||||
";
|
||||
|
||||
var expectedOutputContents = $@"using System.Runtime.InteropServices;
|
||||
|
||||
namespace ClangSharp.Test
|
||||
{{
|
||||
[StructLayout(LayoutKind.Explicit)]
|
||||
public partial struct MyUnion
|
||||
{{
|
||||
[FieldOffset(0)]
|
||||
[NativeTypeName(""{nativeType}"")]
|
||||
public {expectedManagedType} r;
|
||||
|
||||
[FieldOffset(0)]
|
||||
[NativeTypeName(""{nativeType}"")]
|
||||
public {expectedManagedType} g;
|
||||
|
||||
[FieldOffset(0)]
|
||||
[NativeTypeName(""{nativeType}"")]
|
||||
public {expectedManagedType} b;
|
||||
}}
|
||||
}}
|
||||
";
|
||||
|
||||
await ValidateGeneratedBindings(inputContents, expectedOutputContents);
|
||||
}
|
||||
|
||||
[Theory]
|
||||
[InlineData("unsigned char", "byte")]
|
||||
[InlineData("double", "double")]
|
||||
[InlineData("short", "short")]
|
||||
[InlineData("int", "int")]
|
||||
[InlineData("long long", "long")]
|
||||
[InlineData("signed char", "sbyte")]
|
||||
[InlineData("float", "float")]
|
||||
[InlineData("unsigned short", "ushort")]
|
||||
[InlineData("unsigned int", "uint")]
|
||||
[InlineData("unsigned long long", "ulong")]
|
||||
public async Task TypedefTest(string nativeType, string expectedManagedType)
|
||||
{
|
||||
var inputContents = $@"typedef {nativeType} MyTypedefAlias;
|
||||
|
||||
union MyUnion
|
||||
{{
|
||||
MyTypedefAlias r;
|
||||
MyTypedefAlias g;
|
||||
MyTypedefAlias b;
|
||||
}};
|
||||
";
|
||||
|
||||
var expectedOutputContents = $@"using System.Runtime.InteropServices;
|
||||
|
||||
namespace ClangSharp.Test
|
||||
{{
|
||||
[StructLayout(LayoutKind.Explicit)]
|
||||
public partial struct MyUnion
|
||||
{{
|
||||
[FieldOffset(0)]
|
||||
[NativeTypeName(""MyTypedefAlias"")]
|
||||
public {expectedManagedType} r;
|
||||
|
||||
[FieldOffset(0)]
|
||||
[NativeTypeName(""MyTypedefAlias"")]
|
||||
public {expectedManagedType} g;
|
||||
|
||||
[FieldOffset(0)]
|
||||
[NativeTypeName(""MyTypedefAlias"")]
|
||||
public {expectedManagedType} b;
|
||||
}}
|
||||
}}
|
||||
";
|
||||
|
||||
await ValidateGeneratedBindings(inputContents, expectedOutputContents);
|
||||
}
|
||||
}
|
||||
}
|
||||
Загрузка…
Ссылка в новой задаче