public void EncodeAndDecode()
{
var encoded = CustomTypeInfo.Encode(null, null);
Assert.Null(encoded);
var bytes = GetBytesInRange(0, 256);
encoded = CustomTypeInfo.Encode(bytes, null);
Assert.Null(encoded);
bytes = GetBytesInRange(0, 255);
encoded = CustomTypeInfo.Encode(bytes, null);
Assert.Equal(256, encoded.Count);
Assert.Equal(255, encoded[0]);
ReadOnlyCollection <byte> dynamicFlags;
ReadOnlyCollection <string> tupleElementNames;
CustomTypeInfo.Decode(CustomTypeInfo.PayloadTypeId, encoded, out dynamicFlags, out tupleElementNames);
Assert.Equal(bytes, dynamicFlags);
Assert.Null(tupleElementNames);
var names = new ReadOnlyCollection <string>(new[] { null, "A", null, "B" });
encoded = CustomTypeInfo.Encode(bytes, names);
Assert.Equal(255, encoded[0]);
CustomTypeInfo.Decode(CustomTypeInfo.PayloadTypeId, encoded, out dynamicFlags, out tupleElementNames);
Assert.Equal(bytes, dynamicFlags);
Assert.Equal(names, tupleElementNames);
encoded = CustomTypeInfo.Encode(null, names);
CustomTypeInfo.Decode(CustomTypeInfo.PayloadTypeId, encoded, out dynamicFlags, out tupleElementNames);
Assert.Null(dynamicFlags);
Assert.Equal(names, tupleElementNames);
}
internal static ReadOnlyCollection <byte> GetCustomTypeInfoPayload(
this CSharpCompilation compilation,
TypeSymbol type,
int customModifiersCount,
RefKind refKind)
{
return(CustomTypeInfo.Encode(
GetDynamicTransforms(compilation, type, customModifiersCount, refKind),
GetTupleElementNames(compilation, type)));
}
internal static ReadOnlyCollection <byte> ToBytes(this ImmutableArray <bool> dynamicFlags)
{
Debug.Assert(!dynamicFlags.IsDefaultOrEmpty);
var builder = ArrayBuilder <bool> .GetInstance(dynamicFlags.Length);
builder.AddRange(dynamicFlags);
var bytes = DynamicFlagsCustomTypeInfo.ToBytes(builder);
builder.Free();
return(CustomTypeInfo.Encode(bytes, null));
}
public void AliasElement()
{
var source =
@"class C
{
static (int, int) F;
static void M()
{
}
}";
var comp = CreateCompilationWithMscorlib40(source, new[] { ValueTupleRef, SystemRuntimeFacadeRef }, options: TestOptions.DebugDll);
WithRuntimeInstance(comp, new[] { ValueTupleRef, SystemRuntimeFacadeRef, MscorlibRef }, runtime =>
{
var context = CreateMethodContext(
runtime,
"C.M");
// (int A, (int, int D) B)[] t;
var aliasElementNames = new ReadOnlyCollection <string>(new[] { "A", "B", null, "D" });
var alias = new Alias(
DkmClrAliasKind.Variable,
"t",
"t",
"System.ValueTuple`2[[System.Int32, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089],[System.ValueTuple`2[[System.Int32, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089],[System.Int32, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089]], System.ValueTuple, Version=4.0.1.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51]][], System.ValueTuple, Version=4.0.1.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51",
CustomTypeInfo.PayloadTypeId,
CustomTypeInfo.Encode(null, aliasElementNames));
var locals = ArrayBuilder <LocalAndMethod> .GetInstance();
string typeName;
var diagnostics = DiagnosticBag.GetInstance();
var testData = new CompilationTestData();
var assembly = context.CompileGetLocals(
locals,
argumentsOnly: false,
aliases: ImmutableArray.Create(alias),
diagnostics: diagnostics,
typeName: out typeName,
testData: testData);
diagnostics.Verify();
diagnostics.Free();
Assert.Equal(1, locals.Count);
ReadOnlyCollection <byte> customTypeInfo;
var customTypeInfoId = locals[0].GetCustomTypeInfo(out customTypeInfo);
ReadOnlyCollection <byte> dynamicFlags;
ReadOnlyCollection <string> tupleElementNames;
CustomTypeInfo.Decode(customTypeInfoId, customTypeInfo, out dynamicFlags, out tupleElementNames);
Assert.Equal(aliasElementNames, tupleElementNames);
var method = (MethodSymbol)testData.GetExplicitlyDeclaredMethods().Single().Value.Method;
CheckAttribute(assembly, method, AttributeDescription.TupleElementNamesAttribute, expected: true);
var returnType = (TypeSymbol)method.ReturnType;
Assert.False(returnType.IsTupleType);
Assert.True(((ArrayTypeSymbol)returnType).ElementType.IsTupleType);
VerifyLocal(testData, typeName, locals[0], "<>m0", "t", expectedILOpt:
@"{
// Code size 16 (0x10)
.maxstack 1
IL_0000: ldstr ""t""
IL_0005: call ""object Microsoft.VisualStudio.Debugger.Clr.IntrinsicMethods.GetObjectByAlias(string)""
IL_000a: castclass ""System.ValueTuple<int, System.ValueTuple<int, int>>[]""
IL_000f: ret
}");
locals.Free();
});
}
public void EncodeAndDecode()
{
var encoded = CustomTypeInfo.Encode(null, null);
Assert.Null(encoded);
ReadOnlyCollection <byte> bytes;
ReadOnlyCollection <string> names;
// Exceed max bytes.
bytes = GetBytesInRange(0, 256);
encoded = CustomTypeInfo.Encode(bytes, null);
Assert.Null(encoded);
// Max bytes.
bytes = GetBytesInRange(0, 255);
encoded = CustomTypeInfo.Encode(bytes, null);
Assert.Equal(256, encoded.Count);
Assert.Equal(255, encoded[0]);
ReadOnlyCollection <byte> dynamicFlags;
ReadOnlyCollection <string> tupleElementNames;
CustomTypeInfo.Decode(
CustomTypeInfo.PayloadTypeId,
encoded,
out dynamicFlags,
out tupleElementNames
);
Assert.Equal(bytes, dynamicFlags);
Assert.Null(tupleElementNames);
// Empty dynamic flags collection
bytes = new ReadOnlyCollection <byte>(new byte[0]);
// ... with names.
names = new ReadOnlyCollection <string>(new[] { "A" });
encoded = CustomTypeInfo.Encode(bytes, names);
CustomTypeInfo.Decode(
CustomTypeInfo.PayloadTypeId,
encoded,
out dynamicFlags,
out tupleElementNames
);
Assert.Null(dynamicFlags);
Assert.Equal(names, tupleElementNames);
// ... without names.
encoded = CustomTypeInfo.Encode(bytes, null);
CustomTypeInfo.Decode(
CustomTypeInfo.PayloadTypeId,
encoded,
out dynamicFlags,
out tupleElementNames
);
Assert.Null(dynamicFlags);
Assert.Null(tupleElementNames);
// Empty names collection
names = new ReadOnlyCollection <string>(new string[0]);
// ... with dynamic flags.
bytes = GetBytesInRange(0, 255);
encoded = CustomTypeInfo.Encode(bytes, names);
CustomTypeInfo.Decode(
CustomTypeInfo.PayloadTypeId,
encoded,
out dynamicFlags,
out tupleElementNames
);
Assert.Equal(bytes, dynamicFlags);
Assert.Null(tupleElementNames);
// ... without dynamic flags.
encoded = CustomTypeInfo.Encode(null, names);
CustomTypeInfo.Decode(
CustomTypeInfo.PayloadTypeId,
encoded,
out dynamicFlags,
out tupleElementNames
);
Assert.Null(dynamicFlags);
Assert.Null(tupleElementNames);
// Single null name
names = new ReadOnlyCollection <string>(new string[] { null });
// ... with dynamic flags.
bytes = GetBytesInRange(0, 255);
encoded = CustomTypeInfo.Encode(bytes, names);
Assert.Equal(255, encoded[0]);
CustomTypeInfo.Decode(
CustomTypeInfo.PayloadTypeId,
encoded,
out dynamicFlags,
out tupleElementNames
);
Assert.Equal(bytes, dynamicFlags);
Assert.Equal(names, tupleElementNames);
// ... without dynamic flags.
encoded = CustomTypeInfo.Encode(null, names);
CustomTypeInfo.Decode(
CustomTypeInfo.PayloadTypeId,
encoded,
out dynamicFlags,
out tupleElementNames
);
Assert.Null(dynamicFlags);
Assert.Equal(names, tupleElementNames);
// Multiple names
names = new ReadOnlyCollection <string>(new[] { null, "A", null, "B" });
// ... with dynamic flags.
bytes = GetBytesInRange(0, 255);
encoded = CustomTypeInfo.Encode(bytes, names);
Assert.Equal(255, encoded[0]);
CustomTypeInfo.Decode(
CustomTypeInfo.PayloadTypeId,
encoded,
out dynamicFlags,
out tupleElementNames
);
Assert.Equal(bytes, dynamicFlags);
Assert.Equal(names, tupleElementNames);
// ... without dynamic flags.
encoded = CustomTypeInfo.Encode(null, names);
CustomTypeInfo.Decode(
CustomTypeInfo.PayloadTypeId,
encoded,
out dynamicFlags,
out tupleElementNames
);
Assert.Null(dynamicFlags);
Assert.Equal(names, tupleElementNames);
}