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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
using System.Collections.Generic;
using Internal.IL;
using Internal.TypeSystem;
using Internal.TypeSystem.Ecma;
using Xunit;
namespace TypeSystemTests
{
public class ILDisassemblerTests
{
private TestTypeSystemContext _context;
private ModuleDesc _testModule;
public ILDisassemblerTests()
{
_context = new TestTypeSystemContext(TargetArchitecture.X64);
var systemModule = _context.CreateModuleForSimpleName("CoreTestAssembly");
_context.SetSystemModule(systemModule);
_testModule = _context.GetModuleForSimpleName("ILTestAssembly");
}
[Fact]
public void TestGenericNameFormatting()
{
MetadataType testClass = _testModule.GetType("ILDisassembler", "TestGenericClass`1");
EcmaMethod testMethod = (EcmaMethod)testClass.GetMethod("TestMethod", null);
EcmaMethodIL methodIL = EcmaMethodIL.Create(testMethod);
Dictionary<int, string> interestingLines = new Dictionary<int, string>
{
{ 4, "IL_0003: ldstr \"Hello \\\"World\\\"!\\n\"" },
{ 9, "IL_000D: call instance void class ILDisassembler.TestGenericClass`1<!TClassParam>::VoidGenericMethod<string, valuetype ILDisassembler.TestStruct>(!!0, int32, native int, class ILDisassembler.TestClass&)" },
{ 14, "IL_0017: initobj !TClassParam" },
{ 16, "IL_001E: call !!0 class ILDisassembler.TestGenericClass`1<!TClassParam>::MethodParamGenericMethod<class ILDisassembler.TestClass>(class ILDisassembler.TestGenericClass`1<!!0>, class ILDisassembler.TestGenericClass`1/Nested<!0>, valuetype ILDisassembler.TestStruct*[], !0)" },
{ 24, "IL_0030: call !!0 class ILDisassembler.TestGenericClass`1<!TClassParam>::MethodParamGenericMethod<!0>(class ILDisassembler.TestGenericClass`1<!!0>, class ILDisassembler.TestGenericClass`1/Nested<!0>, valuetype ILDisassembler.TestStruct*[], !0)" },
{ 26, "IL_0036: ldtoken !TClassParam" },
{ 28, "IL_003C: ldtoken valuetype [CoreTestAssembly]System.Nullable`1<int32>" },
{ 31, "IL_0043: ldc.r8 3.14" },
{ 32, "IL_004C: ldc.r4 1.68" },
{ 34, "IL_0053: call instance valuetype ILDisassembler.TestStruct class ILDisassembler.TestGenericClass`1<!TClassParam>::NonGenericMethod(float64, float32, int16)" },
{ 37, "IL_005A: ldflda !0 class ILDisassembler.TestGenericClass`1<!TClassParam>::somefield" },
{ 41, "IL_0067: stfld class ILDisassembler.TestClass class ILDisassembler.TestGenericClass`1<!TClassParam>::otherfield" },
{ 44, "IL_006E: stfld class ILDisassembler.TestGenericClass`1<class ILDisassembler.TestGenericClass`1<class ILDisassembler.TestClass>> class ILDisassembler.TestGenericClass`1<!TClassParam>::genericfield" },
{ 47, "IL_0075: stfld !0[] class ILDisassembler.TestGenericClass`1<!TClassParam>::arrayfield" },
{ 48, "IL_007A: call void ILDisassembler.TestClass::NonGenericMethod()" },
{ 49, "IL_007F: ldsflda valuetype ILDisassembler.TestStruct ILDisassembler.TestClass::somefield" },
{ 50, "IL_0084: initobj ILDisassembler.TestStruct" }
};
ILDisassembler disasm = new ILDisassembler(methodIL);
int numLines = 1;
while (disasm.HasNextInstruction)
{
string line = disasm.GetNextInstruction();
string expectedLine;
if (interestingLines.TryGetValue(numLines, out expectedLine))
{
Assert.Equal(expectedLine, line);
}
numLines++;
}
Assert.Equal(52, numLines);
}
}
}
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