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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.Immutable;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
using Microsoft.CodeAnalysis.Collections;
using Microsoft.CodeAnalysis.InheritanceMargin;
using Microsoft.CodeAnalysis.PooledObjects;
using Microsoft.CodeAnalysis.Remote.Testing;
using Microsoft.CodeAnalysis.Shared.Extensions;
using Microsoft.CodeAnalysis.Test.Utilities;
using Microsoft.CodeAnalysis.VisualBasic;
using Roslyn.Test.Utilities;
using Roslyn.Utilities;
using Xunit;
namespace Microsoft.CodeAnalysis.Editor.UnitTests.InheritanceMargin;
[Trait(Traits.Feature, Traits.Features.InheritanceMargin)]
[UseExportProvider]
public sealed class InheritanceMarginTests
{
private const string SearchAreaTag = nameof(SearchAreaTag);
private static readonly TestComposition s_inProcessComposition = EditorTestCompositions.EditorFeatures;
private static readonly TestComposition s_outOffProcessComposition = s_inProcessComposition.WithTestHostParts(TestHost.OutOfProcess);
#region Helpers
private static Task VerifyNoItemForDocumentAsync(string markup, string languageName, TestHost testHost)
=> VerifyInSingleDocumentAsync(markup, languageName, testHost);
private static async Task VerifyInSingleDocumentAsync(
string markup,
string languageName,
TestHost testHost,
params TestInheritanceMemberItem[] memberItems)
{
markup = $"""
<![CDATA[
{markup}]]>
""";
var workspaceFile = $"""
<Workspace>
<Project Language="{languageName}" CommonReferences="true">
<Document>
{markup}
</Document>
</Project>
</Workspace>
""";
var cancellationToken = CancellationToken.None;
using var testWorkspace = TestWorkspace.Create(
workspaceFile,
composition: testHost == TestHost.InProcess ? s_inProcessComposition : s_outOffProcessComposition);
var testHostDocument = testWorkspace.Documents[0];
await VerifyTestMemberInDocumentAsync(testWorkspace, testHostDocument, memberItems, cancellationToken).ConfigureAwait(false);
}
private static async Task VerifyInMultipleDocumentsAsync(
string markup1,
string markup2,
string languageName,
TestHost testHost,
params TestInheritanceMemberItem[] memberItems)
{
var workspaceFile = $"""
<Workspace>
<Project Language="{languageName}" CommonReferences="true">
<Document>
<![CDATA[{markup1}]]>
</Document>
<Document>
<![CDATA[{markup2}]]>
</Document>
</Project>
</Workspace>
""";
var cancellationToken = CancellationToken.None;
using var testWorkspace = TestWorkspace.Create(
workspaceFile,
composition: testHost == TestHost.InProcess ? s_inProcessComposition : s_outOffProcessComposition);
var testHostDocument = testWorkspace.Documents[0];
await VerifyTestMemberInDocumentAsync(testWorkspace, testHostDocument, memberItems, cancellationToken).ConfigureAwait(false);
}
private static async Task VerifyTestMemberInDocumentAsync(
TestWorkspace testWorkspace,
TestHostDocument testHostDocument,
TestInheritanceMemberItem[] memberItems,
CancellationToken cancellationToken)
{
var document = testWorkspace.CurrentSolution.GetRequiredDocument(testHostDocument.Id);
var root = await document.GetRequiredSyntaxRootAsync(cancellationToken).ConfigureAwait(false);
var searchingSpan = root.Span;
// Look for the search span, if not found, then pass the whole document span to the service.
if (testHostDocument.AnnotatedSpans.TryGetValue(SearchAreaTag, out var spans) && spans.IsSingle())
{
searchingSpan = spans[0];
}
var service = document.GetRequiredLanguageService<IInheritanceMarginService>();
var actualItems = await service.GetInheritanceMemberItemsAsync(
document,
searchingSpan,
includeGlobalImports: true,
frozenPartialSemantics: true,
cancellationToken).ConfigureAwait(false);
var sortedActualItems = actualItems.OrderBy(item => item.LineNumber).ToImmutableArray();
var sortedExpectedItems = memberItems.OrderBy(item => item.LineNumber).ToImmutableArray();
Assert.Equal(sortedExpectedItems.Length, sortedActualItems.Length);
for (var i = 0; i < sortedActualItems.Length; i++)
{
await VerifyInheritanceMemberAsync(testWorkspace, sortedExpectedItems[i], sortedActualItems[i]);
}
}
private static async Task VerifyInheritanceMemberAsync(TestWorkspace testWorkspace, TestInheritanceMemberItem expectedItem, InheritanceMarginItem actualItem)
{
Assert.True(!actualItem.TargetItems.IsEmpty);
Assert.Equal(expectedItem.LineNumber, actualItem.LineNumber);
Assert.Equal(expectedItem.MemberName, actualItem.DisplayTexts.JoinText());
Assert.Equal(expectedItem.Targets.Length, actualItem.TargetItems.Length);
var expectedTargets = expectedItem.Targets
.Select(info => TestInheritanceTargetItem.Create(info, testWorkspace))
.OrderBy(target => target.TargetSymbolName)
.ToImmutableArray();
for (var i = 0; i < expectedTargets.Length; i++)
await VerifyInheritanceTargetAsync(testWorkspace, expectedTargets[i], actualItem.TargetItems[i]);
}
private static async Task VerifyInheritanceTargetAsync(Workspace workspace, TestInheritanceTargetItem expectedTarget, InheritanceTargetItem actualTarget)
{
Assert.Equal(expectedTarget.TargetSymbolName, actualTarget.DisplayName);
Assert.Equal(expectedTarget.RelationshipToMember, actualTarget.RelationToMember);
if (expectedTarget.LanguageGlyph != null)
Assert.Equal(expectedTarget.LanguageGlyph, actualTarget.LanguageGlyph);
if (expectedTarget.ProjectName != null)
Assert.Equal(expectedTarget.ProjectName, actualTarget.ProjectName);
if (expectedTarget.IsInMetadata)
{
Assert.True(actualTarget.DefinitionItem.Properties.ContainsKey("MetadataSymbolKey"));
Assert.True(actualTarget.DefinitionItem.SourceSpans.IsEmpty);
}
else
{
var actualDocumentSpans = actualTarget.DefinitionItem.SourceSpans.OrderBy(documentSpan => documentSpan.SourceSpan.Start).ToImmutableArray();
var expectedDocumentSpans = expectedTarget.DocumentSpans.OrderBy(documentSpan => documentSpan.SourceSpan.Start).ToImmutableArray();
Assert.Equal(expectedDocumentSpans.Length, actualDocumentSpans.Length);
for (var i = 0; i < actualDocumentSpans.Length; i++)
{
var docSpan = await actualDocumentSpans[i].TryRehydrateAsync(workspace.CurrentSolution, CancellationToken.None);
Assert.Equal(expectedDocumentSpans[i].SourceSpan, docSpan.Value.SourceSpan);
Assert.Equal(expectedDocumentSpans[i].Document.FilePath, docSpan.Value.Document.FilePath);
}
if (actualDocumentSpans.Length == 1)
{
Assert.Empty(actualTarget.DefinitionItem.Tags);
Assert.Empty(actualTarget.DefinitionItem.Properties);
Assert.Empty(actualTarget.DefinitionItem.DisplayableProperties);
Assert.Empty(actualTarget.DefinitionItem.NameDisplayParts);
Assert.Empty(actualTarget.DefinitionItem.DisplayParts);
}
}
}
/// <summary>
/// Project of markup1 is referencing project of markup2
/// </summary>
private static async Task VerifyInDifferentProjectsAsync(
(string markupInProject1, string languageName) markup1,
(string markupInProject2, string languageName) markup2,
TestInheritanceMemberItem[] memberItemsInMarkup1,
TestInheritanceMemberItem[] memberItemsInMarkup2,
TestHost testHost)
{
var workspaceFile =
$"""
<Workspace>
<Project Language="{markup1.languageName}" AssemblyName="Assembly1" CommonReferences="true">
<ProjectReference>Assembly2</ProjectReference>
<Document>
<![CDATA[
{markup1.markupInProject1}]]>
</Document>
</Project>
<Project Language="{markup2.languageName}" AssemblyName="Assembly2" CommonReferences="true">
<Document>
<![CDATA[
{markup2.markupInProject2}]]>
</Document>
</Project>
</Workspace>
""";
var cancellationToken = CancellationToken.None;
using var testWorkspace = TestWorkspace.Create(
workspaceFile,
composition: testHost == TestHost.InProcess ? s_inProcessComposition : s_outOffProcessComposition);
var testHostDocument1 = testWorkspace.Documents.Single(doc => doc.Project.AssemblyName.Equals("Assembly1"));
var testHostDocument2 = testWorkspace.Documents.Single(doc => doc.Project.AssemblyName.Equals("Assembly2"));
await VerifyTestMemberInDocumentAsync(testWorkspace, testHostDocument1, memberItemsInMarkup1, cancellationToken).ConfigureAwait(false);
await VerifyTestMemberInDocumentAsync(testWorkspace, testHostDocument2, memberItemsInMarkup2, cancellationToken).ConfigureAwait(false);
}
private sealed class TestInheritanceMemberItem
{
public readonly int LineNumber;
public readonly string MemberName;
public readonly ImmutableArray<TargetInfo> Targets;
public TestInheritanceMemberItem(
int lineNumber,
string memberName,
ImmutableArray<TargetInfo> targets)
{
LineNumber = lineNumber;
MemberName = memberName;
Targets = targets;
}
public override string ToString()
=> MemberName;
}
private sealed class TargetInfo
{
public readonly string TargetSymbolDisplayName;
public readonly ImmutableArray<string> LocationTags;
public readonly InheritanceRelationship Relationship;
public readonly bool InMetadata;
public readonly Glyph? LanguageGlyph;
public readonly string? ProjectName;
public TargetInfo(
string targetSymbolDisplayName,
string locationTag,
InheritanceRelationship relationship,
Glyph? languageGlyph = null,
string? projectName = null)
{
TargetSymbolDisplayName = targetSymbolDisplayName;
LocationTags = [locationTag];
Relationship = relationship;
LanguageGlyph = languageGlyph;
InMetadata = false;
ProjectName = projectName;
}
public TargetInfo(
string targetSymbolDisplayName,
InheritanceRelationship relationship,
bool inMetadata)
{
TargetSymbolDisplayName = targetSymbolDisplayName;
Relationship = relationship;
InMetadata = inMetadata;
LocationTags = [];
}
public TargetInfo(
string targetSymbolDisplayName,
InheritanceRelationship relationship,
params string[] locationTags)
{
TargetSymbolDisplayName = targetSymbolDisplayName;
LocationTags = [.. locationTags];
Relationship = relationship;
}
}
private sealed class TestInheritanceTargetItem
{
public readonly string TargetSymbolName;
public readonly InheritanceRelationship RelationshipToMember;
public readonly ImmutableArray<DocumentSpan> DocumentSpans;
public readonly bool IsInMetadata;
public readonly Glyph? LanguageGlyph;
public readonly string? ProjectName;
public TestInheritanceTargetItem(
string targetSymbolName,
InheritanceRelationship relationshipToMember,
ImmutableArray<DocumentSpan> documentSpans,
bool isInMetadata,
Glyph? languageGlyph,
string? projectName)
{
TargetSymbolName = targetSymbolName;
RelationshipToMember = relationshipToMember;
DocumentSpans = documentSpans;
IsInMetadata = isInMetadata;
LanguageGlyph = languageGlyph;
ProjectName = projectName;
}
public static TestInheritanceTargetItem Create(
TargetInfo targetInfo,
TestWorkspace testWorkspace)
{
if (targetInfo.InMetadata)
{
return new TestInheritanceTargetItem(
targetInfo.TargetSymbolDisplayName,
targetInfo.Relationship,
[],
isInMetadata: true,
targetInfo.LanguageGlyph,
targetInfo.ProjectName);
}
else
{
using var _ = ArrayBuilder<DocumentSpan>.GetInstance(out var builder);
// If the target is not in metadata, there must be a location tag to give the span!
Assert.True(targetInfo.LocationTags != null);
foreach (var testHostDocument in testWorkspace.Documents)
{
if (targetInfo.LocationTags != null)
{
var annotatedSpans = testHostDocument.AnnotatedSpans;
foreach (var tag in targetInfo.LocationTags)
{
if (annotatedSpans.TryGetValue(tag, out var spans))
{
var document = testWorkspace.CurrentSolution.GetRequiredDocument(testHostDocument.Id);
builder.AddRange(spans.Select(span => new DocumentSpan(document, span)));
}
}
}
}
return new TestInheritanceTargetItem(
targetInfo.TargetSymbolDisplayName,
targetInfo.Relationship,
builder.ToImmutable(),
isInMetadata: false,
targetInfo.LanguageGlyph,
targetInfo.ProjectName);
}
}
}
#endregion
#region TestsForCSharp
[Theory, CombinatorialData]
public Task TestCSharpClassWithErrorBaseType(TestHost testHost)
=> VerifyNoItemForDocumentAsync("""
public class Bar : SomethingUnknown
{
}
""", LanguageNames.CSharp, testHost);
[Theory, CombinatorialData]
public Task TestCSharpReferencingMetadata(TestHost testHost)
{
var itemForBar = new TestInheritanceMemberItem(
lineNumber: 3,
memberName: "class Bar",
targets: [new TargetInfo(
targetSymbolDisplayName: "IEnumerable",
relationship: InheritanceRelationship.ImplementedInterface,
inMetadata: true)]);
var itemForGetEnumerator = new TestInheritanceMemberItem(
lineNumber: 5,
memberName: "IEnumerator Bar.GetEnumerator()",
targets: [new TargetInfo(
targetSymbolDisplayName: "IEnumerable.GetEnumerator",
relationship: InheritanceRelationship.ImplementedMember,
inMetadata: true)]);
return VerifyInSingleDocumentAsync("""
using System.Collections;
public class Bar : IEnumerable
{
public IEnumerator GetEnumerator () { return null };
}
""", LanguageNames.CSharp, testHost, itemForBar, itemForGetEnumerator);
}
[Theory, CombinatorialData]
public Task TestCSharpClassImplementingInterface(TestHost testHost)
{
var itemOnLine2 = new TestInheritanceMemberItem(
lineNumber: 2,
memberName: "interface IBar",
targets: [new TargetInfo(
targetSymbolDisplayName: "Bar",
locationTag: "target2",
relationship: InheritanceRelationship.ImplementingType)]);
var itemOnLine3 = new TestInheritanceMemberItem(
lineNumber: 3,
memberName: "class Bar",
targets: [new TargetInfo(
targetSymbolDisplayName: "IBar",
locationTag: "target1",
relationship: InheritanceRelationship.ImplementedInterface)]);
return VerifyInSingleDocumentAsync(
"""
interface {|target1:IBar|} { }
public class {|target2:Bar|} : IBar
{
}
""",
LanguageNames.CSharp,
testHost,
itemOnLine2,
itemOnLine3);
}
[Theory, CombinatorialData]
public Task TestCSharpInterfaceImplementingInterface(TestHost testHost)
{
var itemOnLine2 = new TestInheritanceMemberItem(
lineNumber: 2,
memberName: "interface IBar",
targets: [new TargetInfo(
targetSymbolDisplayName: "IBar2",
locationTag: "target2",
relationship: InheritanceRelationship.ImplementingType)]
);
var itemOnLine3 = new TestInheritanceMemberItem(
lineNumber: 3,
memberName: "interface IBar2",
targets: [new TargetInfo(
targetSymbolDisplayName: "IBar",
locationTag: "target1",
relationship: InheritanceRelationship.InheritedInterface)]
);
return VerifyInSingleDocumentAsync(
"""
interface {|target1:IBar|} { }
interface {|target2:IBar2|} : IBar { }
""",
LanguageNames.CSharp,
testHost,
itemOnLine2,
itemOnLine3);
}
[Theory, CombinatorialData]
public Task TestCSharpClassInheritsClass(TestHost testHost)
{
var itemOnLine2 = new TestInheritanceMemberItem(
lineNumber: 2,
memberName: "class A",
targets: [new TargetInfo(
targetSymbolDisplayName: "B",
locationTag: "target1",
relationship: InheritanceRelationship.DerivedType)]
);
var itemOnLine3 = new TestInheritanceMemberItem(
lineNumber: 3,
memberName: "class B",
targets: [new TargetInfo(
targetSymbolDisplayName: "A",
locationTag: "target2",
relationship: InheritanceRelationship.BaseType)]
);
return VerifyInSingleDocumentAsync(
"""
class {|target2:A|} { }
class {|target1:B|} : A { }
""",
LanguageNames.CSharp,
testHost,
itemOnLine2,
itemOnLine3);
}
[Theory]
[InlineData("class", TestHost.InProcess)]
[InlineData("class", TestHost.OutOfProcess)]
[InlineData("struct", TestHost.InProcess)]
[InlineData("struct", TestHost.OutOfProcess)]
[InlineData("enum", TestHost.InProcess)]
[InlineData("enum", TestHost.OutOfProcess)]
[InlineData("interface", TestHost.InProcess)]
[InlineData("interface", TestHost.OutOfProcess)]
public Task TestCSharpTypeWithoutBaseType(string typeName, TestHost testHost)
=> VerifyNoItemForDocumentAsync($$"""
public {{typeName}} Bar
{
}
""", LanguageNames.CSharp, testHost);
[Theory]
[InlineData("public Bar() { }", TestHost.InProcess)]
[InlineData("public Bar() { }", TestHost.OutOfProcess)]
[InlineData("public static void Bar3() { }", TestHost.InProcess)]
[InlineData("public static void Bar3() { }", TestHost.OutOfProcess)]
[InlineData("public static void ~Bar() { }", TestHost.InProcess)]
[InlineData("public static void ~Bar() { }", TestHost.OutOfProcess)]
[InlineData("public static Bar operator +(Bar a, Bar b) => new Bar();", TestHost.InProcess)]
[InlineData("public static Bar operator +(Bar a, Bar b) => new Bar();", TestHost.OutOfProcess)]
public Task TestCSharpSpecialMember(string memberDeclaration, TestHost testHost)
=> VerifyInSingleDocumentAsync(
$$"""
public abstract class {|target1:Bar1|}
{}
public class {|{{SearchAreaTag}}:Bar : Bar1
{
{{{memberDeclaration}}|}
}
""",
LanguageNames.CSharp,
testHost,
new TestInheritanceMemberItem(
lineNumber: 4,
memberName: "class Bar",
targets: [new TargetInfo(
targetSymbolDisplayName: "Bar1",
locationTag: "target1",
relationship: InheritanceRelationship.BaseType)]));
[Theory, CombinatorialData]
public Task TestCSharpEventDeclaration(TestHost testHost)
{
var itemForIBar = new TestInheritanceMemberItem(
lineNumber: 3,
memberName: "interface IBar",
[new TargetInfo(
targetSymbolDisplayName: "Bar",
locationTag: "target1",
relationship: InheritanceRelationship.ImplementingType)]);
var itemForBar = new TestInheritanceMemberItem(
lineNumber: 7,
memberName: "class Bar",
[new TargetInfo(
targetSymbolDisplayName: "IBar",
locationTag: "target2",
relationship: InheritanceRelationship.ImplementedInterface)]);
var itemForEventInInterface = new TestInheritanceMemberItem(
lineNumber: 5,
memberName: "event EventHandler IBar.e",
[new TargetInfo(
targetSymbolDisplayName: "Bar.e",
locationTag: "target3",
relationship: InheritanceRelationship.ImplementingMember)]);
var itemForEventInClass = new TestInheritanceMemberItem(
lineNumber: 9,
memberName: "event EventHandler Bar.e",
[new TargetInfo(
targetSymbolDisplayName: "IBar.e",
locationTag: "target4",
relationship: InheritanceRelationship.ImplementedMember)]);
return VerifyInSingleDocumentAsync(
"""
using System;
interface {|target2:IBar|}
{
event EventHandler {|target4:e|};
}
public class {|target1:Bar|} : IBar
{
public event EventHandler {|target3:e|}
{
add {} remove {}
}
}
""",
LanguageNames.CSharp,
testHost,
itemForIBar,
itemForBar,
itemForEventInInterface,
itemForEventInClass);
}
[Theory, CombinatorialData]
public Task TestCSharpEventFieldDeclarations(TestHost testHost)
{
var itemForIBar = new TestInheritanceMemberItem(
lineNumber: 2,
memberName: "interface IBar",
[new TargetInfo(
targetSymbolDisplayName: "Bar",
locationTag: "target1",
relationship: InheritanceRelationship.ImplementingType)]);
var itemForBar = new TestInheritanceMemberItem(
lineNumber: 6,
memberName: "class Bar",
[new TargetInfo(
targetSymbolDisplayName: "IBar",
locationTag: "target2",
relationship: InheritanceRelationship.ImplementedInterface)]);
var itemForE1InInterface = new TestInheritanceMemberItem(
lineNumber: 4,
memberName: "event EventHandler IBar.e1",
[new TargetInfo(
targetSymbolDisplayName: "Bar.e1",
locationTag: "target3",
relationship: InheritanceRelationship.ImplementingMember)]);
var itemForE2InInterface = new TestInheritanceMemberItem(
lineNumber: 4,
memberName: "event EventHandler IBar.e2",
[new TargetInfo(
targetSymbolDisplayName: "Bar.e2",
locationTag: "target4",
relationship: InheritanceRelationship.ImplementingMember)]);
var itemForE1InClass = new TestInheritanceMemberItem(
lineNumber: 8,
memberName: "event EventHandler Bar.e1",
[new TargetInfo(
targetSymbolDisplayName: "IBar.e1",
locationTag: "target5",
relationship: InheritanceRelationship.ImplementedMember)]);
var itemForE2InClass = new TestInheritanceMemberItem(
lineNumber: 8,
memberName: "event EventHandler Bar.e2",
[new TargetInfo(
targetSymbolDisplayName: "IBar.e2",
locationTag: "target6",
relationship: InheritanceRelationship.ImplementedMember)]);
return VerifyInSingleDocumentAsync(
"""
using System;
interface {|target2:IBar|}
{
event EventHandler {|target5:e1|}, {|target6:e2|};
}
public class {|target1:Bar|} : IBar
{
public event EventHandler {|target3:e1|}, {|target4:e2|};
}
""",
LanguageNames.CSharp,
testHost,
itemForIBar,
itemForBar,
itemForE1InInterface,
itemForE2InInterface,
itemForE1InClass,
itemForE2InClass);
}
[Theory, CombinatorialData]
public Task TestCSharpInterfaceMembers(TestHost testHost)
{
var itemForEooInClass = new TestInheritanceMemberItem(
lineNumber: 13,
memberName: "event EventHandler Bar.Eoo",
targets: [new TargetInfo(
targetSymbolDisplayName: "IBar.Eoo",
locationTag: "target8",
relationship: InheritanceRelationship.ImplementedMember)]
);
var itemForEooInInterface = new TestInheritanceMemberItem(
lineNumber: 6,
memberName: "event EventHandler IBar.Eoo",
targets: [new TargetInfo(
targetSymbolDisplayName: "Bar.Eoo",
locationTag: "target7",
relationship: InheritanceRelationship.ImplementingMember)]
);
var itemForPooInInterface = new TestInheritanceMemberItem(
lineNumber: 5,
memberName: "int IBar.Poo { get; set; }",
targets: [new TargetInfo(
targetSymbolDisplayName: "Bar.Poo",
locationTag: "target5",
relationship: InheritanceRelationship.ImplementingMember)]
);
var itemForPooInClass = new TestInheritanceMemberItem(
lineNumber: 12,
memberName: "int Bar.Poo { get; set; }",
targets: [new TargetInfo(
targetSymbolDisplayName: "IBar.Poo",
locationTag: "target6",
relationship: InheritanceRelationship.ImplementedMember)]
);
var itemForFooInInterface = new TestInheritanceMemberItem(
lineNumber: 4,
memberName: "void IBar.Foo()",
targets: [new TargetInfo(
targetSymbolDisplayName: "Bar.Foo",
locationTag: "target3",
relationship: InheritanceRelationship.ImplementingMember)]
);
var itemForFooInClass = new TestInheritanceMemberItem(
lineNumber: 11,
memberName: "void Bar.Foo()",
targets: [new TargetInfo(
targetSymbolDisplayName: "IBar.Foo",
locationTag: "target4",
relationship: InheritanceRelationship.ImplementedMember)]
);
var itemForIBar = new TestInheritanceMemberItem(
lineNumber: 2,
memberName: "interface IBar",
targets: [new TargetInfo(
targetSymbolDisplayName: "Bar",
locationTag: "target2",
relationship: InheritanceRelationship.ImplementingType)]
);
var itemForBar = new TestInheritanceMemberItem(
lineNumber: 9,
memberName: "class Bar",
targets: [new TargetInfo(
targetSymbolDisplayName: "IBar",
locationTag: "target1",
relationship: InheritanceRelationship.ImplementedInterface)]
);
var itemForIndexerInClass = new TestInheritanceMemberItem(
lineNumber: 14,
memberName: "int Bar.this[int] { get; set; }",
targets: [new TargetInfo(
targetSymbolDisplayName: "IBar.this",
locationTag: "target9",
relationship: InheritanceRelationship.ImplementedMember)]
);
var itemForIndexerInInterface = new TestInheritanceMemberItem(
lineNumber: 7,
memberName: "int IBar.this[int] { get; set; }",
targets: [new TargetInfo(
targetSymbolDisplayName: "Bar.this",
locationTag: "target10",
relationship: InheritanceRelationship.ImplementingMember)]
);
return VerifyInSingleDocumentAsync(
"""
using System;
interface {|target1:IBar|}
{
void {|target4:Foo|}();
int {|target6:Poo|} { get; set; }
event EventHandler {|target8:Eoo|};
int {|target9:this|}[int i] { get; set; }
}
public class {|target2:Bar|} : IBar
{
public void {|target3:Foo|}() { }
public int {|target5:Poo|} { get; set; }
public event EventHandler {|target7:Eoo|};
public int {|target10:this|}[int i] { get => 1; set { } }
}
""",
LanguageNames.CSharp,
testHost,
itemForEooInClass,
itemForEooInInterface,
itemForPooInInterface,
itemForPooInClass,
itemForFooInInterface,
itemForFooInClass,
itemForIBar,
itemForBar,
itemForIndexerInInterface,
itemForIndexerInClass);
}
[Theory]
[InlineData("abstract", TestHost.InProcess)]
[InlineData("abstract", TestHost.OutOfProcess)]
[InlineData("virtual", TestHost.InProcess)]
[InlineData("virtual", TestHost.OutOfProcess)]
public Task TestCSharpAbstractClassMembers(string modifier, TestHost testHost)
{
var itemForEooInClass = new TestInheritanceMemberItem(
lineNumber: 12,
memberName: "override event EventHandler Bar2.Eoo",
targets: [new TargetInfo(
targetSymbolDisplayName: $"Bar.Eoo",
locationTag: "target8",
relationship: InheritanceRelationship.OverriddenMember)]);
var itemForEooInAbstractClass = new TestInheritanceMemberItem(
lineNumber: 6,
memberName: $"{modifier} event EventHandler Bar.Eoo",
targets: [new TargetInfo(
targetSymbolDisplayName: "Bar2.Eoo",
locationTag: "target7",
relationship: InheritanceRelationship.OverridingMember)]);
var itemForPooInClass = new TestInheritanceMemberItem(
lineNumber: 11,
memberName: "override int Bar2.Poo { get; set; }",
targets: [new TargetInfo(
targetSymbolDisplayName: $"Bar.Poo",
locationTag: "target6",
relationship: InheritanceRelationship.OverriddenMember)]);
var itemForPooInAbstractClass = new TestInheritanceMemberItem(
lineNumber: 5,
memberName: $"{modifier} int Bar.Poo {{ get; set; }}",
targets: [new TargetInfo(
targetSymbolDisplayName: "Bar2.Poo",
locationTag: "target5",
relationship: InheritanceRelationship.OverridingMember)]);
var itemForFooInAbstractClass = new TestInheritanceMemberItem(
lineNumber: 4,
memberName: $"{modifier} void Bar.Foo()",
targets: [new TargetInfo(
targetSymbolDisplayName: "Bar2.Foo",
locationTag: "target3",
relationship: InheritanceRelationship.OverridingMember)]);
var itemForFooInClass = new TestInheritanceMemberItem(
lineNumber: 10,
memberName: "override void Bar2.Foo()",
targets: [new TargetInfo(
targetSymbolDisplayName: $"Bar.Foo",
locationTag: "target4",
relationship: InheritanceRelationship.OverriddenMember)]);
var itemForBar = new TestInheritanceMemberItem(
lineNumber: 2,
memberName: "class Bar",
targets: [new TargetInfo(
targetSymbolDisplayName: "Bar2",
locationTag: "target1",
relationship: InheritanceRelationship.DerivedType)]);
var itemForBar2 = new TestInheritanceMemberItem(
lineNumber: 8,
memberName: "class Bar2",
targets: [new TargetInfo(
targetSymbolDisplayName: "Bar",
locationTag: "target2",
relationship: InheritanceRelationship.BaseType)]);
return VerifyInSingleDocumentAsync(
$$"""
using System;
public abstract class {|target2:Bar|}
{
public {{modifier}} void {|target4:Foo|}();
public {{modifier}} int {|target6:Poo|} { get; set; }
public {{modifier}} event EventHandler {|target8:Eoo|};
}
public class {|target1:Bar2|} : Bar
{
public override void {|target3:Foo|}() { }
public override int {|target5:Poo|} { get; set; }
public override event EventHandler {|target7:Eoo|};
}
""",
LanguageNames.CSharp,
testHost,
itemForBar,
itemForBar2,
itemForFooInAbstractClass,
itemForFooInClass,
itemForPooInClass,
itemForPooInAbstractClass,
itemForEooInClass,
itemForEooInAbstractClass);
}
[Theory, CombinatorialData]
public Task TestCSharpOverrideMemberCanFindImplementingInterface(bool testDuplicate, TestHost testHost)
{
var markup1 = """
using System;
public interface {|target4:IBar|}
{
void {|target6:Foo|}();
}
public class {|target1:Bar1|} : IBar
{
public virtual void {|target2:Foo|}() { }
}
public class {|target5:Bar2|} : Bar1
{
public override void {|target3:Foo|}() { }
}
""";
var markup2 = """
using System;
public interface {|target4:IBar|}
{
void {|target6:Foo|}();
}
public class {|target1:Bar1|} : IBar
{
public virtual void {|target2:Foo|}() { }
}
public class {|target5:Bar2|} : Bar1, IBar
{
public override void {|target3:Foo|}() { }
}
""";
var itemForIBar = new TestInheritanceMemberItem(
lineNumber: 2,
memberName: "interface IBar",
targets:
[
new TargetInfo(
targetSymbolDisplayName: "Bar1",
locationTag: "target1",
relationship: InheritanceRelationship.ImplementingType),
new TargetInfo(
targetSymbolDisplayName: "Bar2",
locationTag: "target5",
relationship: InheritanceRelationship.ImplementingType),
]);
var itemForFooInIBar = new TestInheritanceMemberItem(
lineNumber: 4,
memberName: "void IBar.Foo()",
targets:
[
new TargetInfo(
targetSymbolDisplayName: "Bar1.Foo",
locationTag: "target2",
relationship: InheritanceRelationship.ImplementingMember),
new TargetInfo(
targetSymbolDisplayName: "Bar2.Foo",
locationTag: "target3",
relationship: InheritanceRelationship.ImplementingMember),
]);
var itemForBar1 = new TestInheritanceMemberItem(
lineNumber: 6,
memberName: "class Bar1",
targets:
[
new TargetInfo(
targetSymbolDisplayName: "IBar",
locationTag: "target4",
relationship: InheritanceRelationship.ImplementedInterface),
new TargetInfo(
targetSymbolDisplayName: "Bar2",
locationTag: "target5",
relationship: InheritanceRelationship.DerivedType),
]);
var itemForFooInBar1 = new TestInheritanceMemberItem(
lineNumber: 8,
memberName: "virtual void Bar1.Foo()",
targets:
[
new TargetInfo(
targetSymbolDisplayName: "IBar.Foo",
locationTag: "target6",
relationship: InheritanceRelationship.ImplementedMember),
new TargetInfo(
targetSymbolDisplayName: "Bar2.Foo",
locationTag: "target3",
relationship: InheritanceRelationship.OverridingMember),
]);
var itemForBar2 = new TestInheritanceMemberItem(
lineNumber: 10,
memberName: "class Bar2",
targets:
[
new TargetInfo(
targetSymbolDisplayName: "Bar1",
locationTag: "target1",
relationship: InheritanceRelationship.BaseType),
new TargetInfo(
targetSymbolDisplayName: "IBar",
locationTag: "target4",
relationship: InheritanceRelationship.ImplementedInterface),
]);
var itemForFooInBar2 = new TestInheritanceMemberItem(
lineNumber: 12,
memberName: "override void Bar2.Foo()",
targets:
[
new TargetInfo(
targetSymbolDisplayName: "IBar.Foo",
locationTag: "target6",
relationship: InheritanceRelationship.ImplementedMember),
new TargetInfo(
targetSymbolDisplayName: "Bar1.Foo",
locationTag: "target2",
relationship: InheritanceRelationship.OverriddenMember),
]);
return VerifyInSingleDocumentAsync(
testDuplicate ? markup2 : markup1,
LanguageNames.CSharp,
testHost,
itemForIBar,
itemForFooInIBar,
itemForBar1,
itemForFooInBar1,
itemForBar2,
itemForFooInBar2);
}
[Theory]
[InlineData("abstract", TestHost.InProcess)]
[InlineData("abstract", TestHost.OutOfProcess)]
[InlineData("virtual", TestHost.InProcess)]
[InlineData("virtual", TestHost.OutOfProcess)]
public Task TestCSharpAbstractClassMembers_LooseMatch(string modifier, TestHost testHost)
{
var itemForEooInClass = new TestInheritanceMemberItem(
lineNumber: 12,
memberName: "override event Action Bar2.Eoo",
targets: [new TargetInfo(
targetSymbolDisplayName: $"Bar.Eoo",
locationTag: "target8",
relationship: InheritanceRelationship.OverriddenMember)]);
var itemForEooInAbstractClass = new TestInheritanceMemberItem(
lineNumber: 6,
memberName: $"{modifier} event EventHandler Bar.Eoo",
targets: [new TargetInfo(
targetSymbolDisplayName: "Bar2.Eoo",
locationTag: "target7",
relationship: InheritanceRelationship.OverridingMember)]);
var itemForPooInClass = new TestInheritanceMemberItem(
lineNumber: 11,
memberName: "override string Bar2.Poo { get; set; }",
targets: [new TargetInfo(
targetSymbolDisplayName: $"Bar.Poo",
locationTag: "target6",
relationship: InheritanceRelationship.OverriddenMember)]);
var itemForPooInAbstractClass = new TestInheritanceMemberItem(
lineNumber: 5,
memberName: $"{modifier} int Bar.Poo {{ get; set; }}",
targets: [new TargetInfo(
targetSymbolDisplayName: "Bar2.Poo",
locationTag: "target5",
relationship: InheritanceRelationship.OverridingMember)]);
var itemForFooInAbstractClass = new TestInheritanceMemberItem(
lineNumber: 4,
memberName: $"{modifier} void Bar.Foo()",
targets: [new TargetInfo(
targetSymbolDisplayName: "Bar2.Foo",
locationTag: "target3",
relationship: InheritanceRelationship.OverridingMember)]);
var itemForFooInClass = new TestInheritanceMemberItem(
lineNumber: 10,
memberName: "override void Bar2.Foo(int)",
targets: [new TargetInfo(
targetSymbolDisplayName: $"Bar.Foo",
locationTag: "target4",
relationship: InheritanceRelationship.OverriddenMember)]);
var itemForBar = new TestInheritanceMemberItem(
lineNumber: 2,
memberName: "class Bar",
targets: [new TargetInfo(
targetSymbolDisplayName: "Bar2",
locationTag: "target1",
relationship: InheritanceRelationship.DerivedType)]);
var itemForBar2 = new TestInheritanceMemberItem(
lineNumber: 8,
memberName: "class Bar2",
targets: [new TargetInfo(
targetSymbolDisplayName: "Bar",
locationTag: "target2",
relationship: InheritanceRelationship.BaseType)]);
return VerifyInSingleDocumentAsync(
$$"""
using System;
public abstract class {|target2:Bar|}
{
public {{modifier}} void {|target4:Foo|}();
public {{modifier}} int {|target6:Poo|} { get; set; }
public {{modifier}} event EventHandler {|target8:Eoo|};
}
public class {|target1:Bar2|} : Bar
{
public override void {|target3:Foo|}(int i) { }
public override string {|target5:Poo|} { get; set; }
public override event Action {|target7:Eoo|};
}
""",
LanguageNames.CSharp,
testHost,
itemForBar,
itemForBar2,
itemForFooInAbstractClass,
itemForFooInClass,
itemForPooInClass,
itemForPooInAbstractClass,
itemForEooInClass,
itemForEooInAbstractClass);
}
[Theory, CombinatorialData]
public Task TestCSharpFindGenericsBaseType(TestHost testHost)
{
var itemForIBar = new TestInheritanceMemberItem(
lineNumber: 2,
memberName: "interface IBar<T>",
targets: [new TargetInfo(
targetSymbolDisplayName: "Bar2",
locationTag: "target1",
relationship: InheritanceRelationship.ImplementingType)]);
var itemForFooInIBar = new TestInheritanceMemberItem(
lineNumber: 4,
memberName: "void IBar<T>.Foo()",
targets: [new TargetInfo(
targetSymbolDisplayName: "Bar2.Foo",
locationTag: "target3",
relationship: InheritanceRelationship.ImplementingMember)]);
// Only have one IBar<T> item
var itemForBar2 = new TestInheritanceMemberItem(
lineNumber: 7,
memberName: "class Bar2",
targets: [new TargetInfo(
targetSymbolDisplayName: "IBar<T>",
locationTag: "target2",
relationship: InheritanceRelationship.ImplementedInterface)]);
// Only have one IBar<T>.Foo item
var itemForFooInBar2 = new TestInheritanceMemberItem(
lineNumber: 9,
memberName: "void Bar2.Foo()",
targets: [new TargetInfo(
targetSymbolDisplayName: "IBar<T>.Foo",
locationTag: "target4",
relationship: InheritanceRelationship.ImplementedMember)]);
return VerifyInSingleDocumentAsync(
"""
public interface {|target2:IBar|}<T>
{
void {|target4:Foo|}();
}
public class {|target1:Bar2|} : IBar<int>, IBar<string>
{
public void {|target3:Foo|}();
}
""",
LanguageNames.CSharp,
testHost,
itemForIBar,
itemForFooInIBar,
itemForBar2,
itemForFooInBar2);
}
[Theory, CombinatorialData]
public Task TestCSharpExplicitInterfaceImplementation(TestHost testHost)
{
var itemForIBar = new TestInheritanceMemberItem(
lineNumber: 2,
memberName: "interface IBar<T>",
targets: [new TargetInfo(
targetSymbolDisplayName: "AbsBar",
locationTag: "target1",
relationship: InheritanceRelationship.ImplementingType)]);
var itemForFooInIBar = new TestInheritanceMemberItem(
lineNumber: 4,
memberName: "void IBar<T>.Foo(T)",
targets: [new TargetInfo(
targetSymbolDisplayName: "AbsBar.IBar<int>.Foo",
locationTag: "target4",
relationship: InheritanceRelationship.ImplementingMember)]);
var itemForAbsBar = new TestInheritanceMemberItem(
lineNumber: 7,
memberName: "class AbsBar",
targets: [new TargetInfo(
targetSymbolDisplayName: "IBar<T>",
locationTag: "target2",
relationship: InheritanceRelationship.ImplementedInterface)]);
var itemForFooInAbsBar = new TestInheritanceMemberItem(
lineNumber: 9,
memberName: "void AbsBar.IBar<int>.Foo(int)",
targets: [new TargetInfo(
targetSymbolDisplayName: "IBar<T>.Foo",
locationTag: "target3",
relationship: InheritanceRelationship.ImplementedMember)]);
return VerifyInSingleDocumentAsync(
"""
interface {|target2:IBar|}<T>
{
void {|target3:Foo|}(T t);
}
abstract class {|target1:AbsBar|} : IBar<int>
{
void IBar<int>.{|target4:Foo|}(int t)
{
throw new System.NotImplementedException();
}
}
""",
LanguageNames.CSharp,
testHost,
itemForIBar,
itemForFooInIBar,
itemForAbsBar,
itemForFooInAbsBar);
}
[Theory, CombinatorialData]
public Task TestStaticAbstractMemberInterface(TestHost testHost)
{
var itemForI1 = new TestInheritanceMemberItem(
lineNumber: 2,
memberName: "interface I1<T>",
targets: [new TargetInfo(
targetSymbolDisplayName: "Class1",
locationTag: "target1",
relationship: InheritanceRelationship.ImplementingType)]);
var itemForM1InI1 = new TestInheritanceMemberItem(
lineNumber: 4,
memberName: "void I1<T>.M1()",
targets: [new TargetInfo(
targetSymbolDisplayName: "Class1.M1",
locationTag: "target2",
relationship: InheritanceRelationship.ImplementingMember)]);
var itemForAbsClass1 = new TestInheritanceMemberItem(
lineNumber: 11,
memberName: "class Class1",
targets: [new TargetInfo(
targetSymbolDisplayName: "I1<T>",
locationTag: "target5",
relationship: InheritanceRelationship.ImplementedInterface)]);
var itemForM1InClass1 = new TestInheritanceMemberItem(
lineNumber: 13,
memberName: "static void Class1.M1()",
targets: [new TargetInfo(
targetSymbolDisplayName: "I1<T>.M1",
locationTag: "target4",
relationship: InheritanceRelationship.ImplementedMember)]);
var itemForP1InI1 = new TestInheritanceMemberItem(
lineNumber: 5,
memberName: "int I1<T>.P1 { get; set; }",
targets: [new TargetInfo(
targetSymbolDisplayName: "Class1.P1",
locationTag: "target6",
relationship: InheritanceRelationship.ImplementingMember)]);
var itemForP1InClass1 = new TestInheritanceMemberItem(
lineNumber: 14,
memberName: "static int Class1.P1 { get; set; }",
targets: [new TargetInfo(
targetSymbolDisplayName: "I1<T>.P1",
locationTag: "target7",
relationship: InheritanceRelationship.ImplementedMember)]);
var itemForE1InI1 = new TestInheritanceMemberItem(
lineNumber: 6,
memberName: "event EventHandler I1<T>.e1",
targets: [new TargetInfo(
targetSymbolDisplayName: "Class1.e1",
locationTag: "target8",
relationship: InheritanceRelationship.ImplementingMember)]);
var itemForE1InClass1 = new TestInheritanceMemberItem(
lineNumber: 15,
memberName: "static event EventHandler Class1.e1",
targets: [new TargetInfo(
targetSymbolDisplayName: "I1<T>.e1",
locationTag: "target9",
relationship: InheritanceRelationship.ImplementedMember)]);
var itemForPlusOperatorInI1 = new TestInheritanceMemberItem(
lineNumber: 7,
memberName: "int I1<T>.operator +(T)",
targets: [new TargetInfo(
targetSymbolDisplayName: "Class1.operator +",
locationTag: "target10",
relationship: InheritanceRelationship.ImplementingMember)]);
var itemForPlusOperatorInClass1 = new TestInheritanceMemberItem(
lineNumber: 16,
memberName: "static int Class1.operator +(Class1)",
targets: [new TargetInfo(
targetSymbolDisplayName: "I1<T>.operator +",
locationTag: "target11",
relationship: InheritanceRelationship.ImplementedMember)]);
var itemForIntOperatorInI1 = new TestInheritanceMemberItem(
lineNumber: 8,
memberName: "I1<T>.implicit operator int(T)",
targets: [new TargetInfo(
targetSymbolDisplayName: "Class1.implicit operator int",
locationTag: "target13",
relationship: InheritanceRelationship.ImplementingMember)]);
var itemForIntOperatorInClass1 = new TestInheritanceMemberItem(
lineNumber: 17,
memberName: "static Class1.implicit operator int(Class1)",
targets: [new TargetInfo(
targetSymbolDisplayName: "I1<T>.implicit operator int",
locationTag: "target12",
relationship: InheritanceRelationship.ImplementedMember)]);
return VerifyInSingleDocumentAsync(
"""
interface {|target5:I1|}<T> where T : I1<T>
{
static abstract void {|target4:M1|}();
static abstract int {|target7:P1|} { get; set; }
static abstract event EventHandler {|target9:e1|};
static abstract int operator {|target11:+|}(T i1);
static abstract implicit operator {|target12:int|}(T i1);
}
public class {|target1:Class1|} : I1<Class1>
{
public static void {|target2:M1|}() {}
public static int {|target6:P1|} { get => 1; set { } }
public static event EventHandler {|target8:e1|};
public static int operator {|target10:+|}(Class1 i) => 1;
public static implicit operator {|target13:int|}(Class1 i) => 0;
}
""",
LanguageNames.CSharp,
testHost,
itemForI1,
itemForAbsClass1,
itemForM1InI1,
itemForM1InClass1,
itemForP1InI1,
itemForP1InClass1,
itemForE1InI1,
itemForE1InClass1,
itemForPlusOperatorInI1,
itemForPlusOperatorInClass1,
itemForIntOperatorInI1,
itemForIntOperatorInClass1);
}
[Theory, CombinatorialData]
public Task TestCSharpPartialClass(TestHost testHost)
{
var itemOnLine2 = new TestInheritanceMemberItem(
lineNumber: 2,
memberName: "interface IBar",
targets: [new TargetInfo(
targetSymbolDisplayName: "Bar",
relationship: InheritanceRelationship.ImplementingType,
"target2", "target3")]);
var itemOnLine6 = new TestInheritanceMemberItem(
lineNumber: 6,
memberName: "class Bar",
targets: [new TargetInfo(
targetSymbolDisplayName: "IBar",
locationTag: "target1",
relationship: InheritanceRelationship.ImplementedInterface)]);
var itemOnLine10 = new TestInheritanceMemberItem(
lineNumber: 10,
memberName: "class Bar",
targets: [new TargetInfo(
targetSymbolDisplayName: "IBar",
locationTag: "target1",
relationship: InheritanceRelationship.ImplementedInterface)]);
return VerifyInSingleDocumentAsync(
"""
interface {|target1:IBar|}
{
}
public partial class {|target2:Bar|} : IBar
{
}
public partial class {|target3:Bar|}
{
}
""",
LanguageNames.CSharp,
testHost,
itemOnLine2,
itemOnLine6,
itemOnLine10);
}
[Theory, CombinatorialData]
public Task TestEmptyFileSingleGlobalImportInOtherFile(TestHost testHost)
=> VerifyInMultipleDocumentsAsync(
@"", @"{|target1:global using System;|}", LanguageNames.CSharp,
testHost,
new TestInheritanceMemberItem(
lineNumber: 0,
memberName: string.Format(FeaturesResources.Directives_from_0, "Test2.cs"),
targets: [new TargetInfo(
targetSymbolDisplayName: "System",
relationship: InheritanceRelationship.InheritedImport, "target1")]));
[Theory, CombinatorialData]
public Task TestEmptyFileMultipleGlobalImportInOtherFile(TestHost testHost)
=> VerifyInMultipleDocumentsAsync(
@"", """
{|target1:global using System;|}
{|target2:global using System.Collections;|}
""", LanguageNames.CSharp,
testHost,
new TestInheritanceMemberItem(
lineNumber: 0,
memberName: string.Format(FeaturesResources.Directives_from_0, "Test2.cs"),
targets:
[
new TargetInfo(
targetSymbolDisplayName: "System",
relationship: InheritanceRelationship.InheritedImport, "target1"),
new TargetInfo(
targetSymbolDisplayName: "System.Collections",
relationship: InheritanceRelationship.InheritedImport, "target2"),
]));
[Theory, CombinatorialData]
public Task TestFileWithUsing_SingleGlobalImportInOtherFile(TestHost testHost)
=> VerifyInMultipleDocumentsAsync(
"""
using System.Collections;
""", @"{|target1:global using System;|}", LanguageNames.CSharp,
testHost,
new TestInheritanceMemberItem(
lineNumber: 1,
memberName: string.Format(FeaturesResources.Directives_from_0, "Test2.cs"),
targets: [new TargetInfo(
targetSymbolDisplayName: "System",
relationship: InheritanceRelationship.InheritedImport, "target1")]));
[Theory, CombinatorialData]
public Task TestIgnoreGlobalImportFromSameFile(TestHost testHost)
=> VerifyInMultipleDocumentsAsync(
"""
global using System.Collections.Generic;
using System.Collections;
""", @"{|target1:global using System;|}", LanguageNames.CSharp,
testHost,
new TestInheritanceMemberItem(
lineNumber: 1,
memberName: string.Format(FeaturesResources.Directives_from_0, "Test2.cs"),
targets: [new TargetInfo(
targetSymbolDisplayName: "System",
relationship: InheritanceRelationship.InheritedImport, "target1")]));
#endregion
#region TestsForVisualBasic
[Theory, CombinatorialData]
public Task TestVisualBasicWithErrorBaseType(TestHost testHost)
=> VerifyNoItemForDocumentAsync("""
Namespace MyNamespace
Public Class Bar
Implements SomethingNotExist
End Class
End Namespace
""", LanguageNames.VisualBasic, testHost);
[Theory, CombinatorialData]
public Task TestVisualBasicReferencingMetadata(TestHost testHost)
{
var itemForBar = new TestInheritanceMemberItem(
lineNumber: 3,
memberName: "Class Bar",
targets: [new TargetInfo(
targetSymbolDisplayName: "IEnumerable",
relationship: InheritanceRelationship.ImplementedInterface,
inMetadata: true)]);
var itemForGetEnumerator = new TestInheritanceMemberItem(
lineNumber: 5,
memberName: "Function Bar.GetEnumerator() As IEnumerator",
targets: [new TargetInfo(
targetSymbolDisplayName: "IEnumerable.GetEnumerator",
relationship: InheritanceRelationship.ImplementedMember,
inMetadata: true)]);
return VerifyInSingleDocumentAsync("""
Namespace MyNamespace
Public Class Bar
Implements System.Collections.IEnumerable
Public Function GetEnumerator() As System.Collections.IEnumerator Implements System.Collections.IEnumerable.GetEnumerator
Throw New NotImplementedException()
End Function
End Class
End Namespace
""", LanguageNames.VisualBasic, testHost, itemForBar, itemForGetEnumerator);
}
[Theory, CombinatorialData]
public Task TestVisualBasicClassImplementingInterface(TestHost testHost)
{
var itemForIBar = new TestInheritanceMemberItem(
lineNumber: 2,
memberName: "Interface IBar",
[new TargetInfo(
targetSymbolDisplayName: "Bar",
locationTag: "target1",
relationship: InheritanceRelationship.ImplementingType)]);
var itemForBar = new TestInheritanceMemberItem(
lineNumber: 4,
memberName: "Class Bar",
[new TargetInfo(
targetSymbolDisplayName: "IBar",
locationTag: "target2",
relationship: InheritanceRelationship.ImplementedInterface)]);
return VerifyInSingleDocumentAsync(
"""
Interface {|target2:IBar|}
End Interface
Class {|target1:Bar|}
Implements IBar
End Class
""",
LanguageNames.VisualBasic,
testHost,
itemForIBar,
itemForBar);
}
[Theory, CombinatorialData]
public Task TestVisualBasicInterfaceImplementingInterface(TestHost testHost)
{
var itemForIBar2 = new TestInheritanceMemberItem(
lineNumber: 2,
memberName: "Interface IBar2",
[new TargetInfo(
targetSymbolDisplayName: "IBar",
locationTag: "target1",
relationship: InheritanceRelationship.ImplementingType)]);
var itemForIBar = new TestInheritanceMemberItem(
lineNumber: 4,
memberName: "Interface IBar",
[new TargetInfo(
targetSymbolDisplayName: "IBar2",
locationTag: "target2",
relationship: InheritanceRelationship.InheritedInterface)]);
return VerifyInSingleDocumentAsync("""
Interface {|target2:IBar2|}
End Interface
Interface {|target1:IBar|}
Inherits IBar2
End Interface
""", LanguageNames.VisualBasic, testHost, itemForIBar2, itemForIBar);
}
[Theory, CombinatorialData]
public Task TestVisualBasicClassInheritsClass(TestHost testHost)
{
var itemForBar2 = new TestInheritanceMemberItem(
lineNumber: 2,
memberName: "Class Bar2",
[new TargetInfo(
targetSymbolDisplayName: "Bar",
locationTag: "target1",
relationship: InheritanceRelationship.DerivedType)]);
var itemForBar = new TestInheritanceMemberItem(
lineNumber: 4,
memberName: "Class Bar",
[new TargetInfo(
targetSymbolDisplayName: "Bar2",
locationTag: "target2",
relationship: InheritanceRelationship.BaseType)]);
return VerifyInSingleDocumentAsync("""
Class {|target2:Bar2|}
End Class
Class {|target1:Bar|}
Inherits Bar2
End Class
""", LanguageNames.VisualBasic, testHost, itemForBar2, itemForBar);
}
[Theory]
[InlineData("Class", TestHost.InProcess)]
[InlineData("Class", TestHost.OutOfProcess)]
[InlineData("Structure", TestHost.InProcess)]
[InlineData("Structure", TestHost.OutOfProcess)]
[InlineData("Enum", TestHost.InProcess)]
[InlineData("Enum", TestHost.OutOfProcess)]
[InlineData("Interface", TestHost.InProcess)]
[InlineData("Interface", TestHost.OutOfProcess)]
public Task TestVisualBasicTypeWithoutBaseType(string typeName, TestHost testHost)
=> VerifyNoItemForDocumentAsync($"""
{typeName} Bar
End {typeName}
""", LanguageNames.VisualBasic, testHost);
[Theory, CombinatorialData]
public Task TestVisualBasicMetadataInterface(TestHost testHost)
=> VerifyInSingleDocumentAsync(
"""
Imports System.Collections
Class Bar
Implements IEnumerable
End Class
""",
LanguageNames.VisualBasic,
testHost,
new TestInheritanceMemberItem(
lineNumber: 2,
memberName: VBFeaturesResources.Project_level_Imports,
targets:
[
new TargetInfo("System", InheritanceRelationship.InheritedImport),
new TargetInfo("System.Collections.Generic", InheritanceRelationship.InheritedImport),
new TargetInfo("System.Linq", InheritanceRelationship.InheritedImport),
]),
new TestInheritanceMemberItem(
lineNumber: 3,
memberName: "Class Bar",
targets: [new TargetInfo(
targetSymbolDisplayName: "IEnumerable",
relationship: InheritanceRelationship.ImplementedInterface,
inMetadata: true)]));
[Theory, CombinatorialData]
public Task TestVisualBasicEventStatement(TestHost testHost)
{
var itemForIBar = new TestInheritanceMemberItem(
lineNumber: 2,
memberName: "Interface IBar",
[new TargetInfo(
targetSymbolDisplayName: "Bar",
locationTag: "target1",
relationship: InheritanceRelationship.ImplementingType)]);
var itemForBar = new TestInheritanceMemberItem(
lineNumber: 5,
memberName: "Class Bar",
[new TargetInfo(
targetSymbolDisplayName: "IBar",
locationTag: "target2",
relationship: InheritanceRelationship.ImplementedInterface)]);
var itemForEventInInterface = new TestInheritanceMemberItem(
lineNumber: 3,
memberName: "Event IBar.e As EventHandler",
[new TargetInfo(
targetSymbolDisplayName: "Bar.e",
locationTag: "target3",
relationship: InheritanceRelationship.ImplementingMember)]);
var itemForEventInClass = new TestInheritanceMemberItem(
lineNumber: 7,
memberName: "Event Bar.e As EventHandler",
[new TargetInfo(
targetSymbolDisplayName: "IBar.e",
locationTag: "target4",
relationship: InheritanceRelationship.ImplementedMember)]);
return VerifyInSingleDocumentAsync(
"""
Interface {|target2:IBar|}
Event {|target4:e|} As EventHandler
End Interface
Class {|target1:Bar|}
Implements IBar
Public Event {|target3:e|} As EventHandler Implements IBar.e
End Class
""",
LanguageNames.VisualBasic,
testHost,
itemForIBar,
itemForBar,
itemForEventInInterface,
itemForEventInClass);
}
[Theory, CombinatorialData]
public Task TestVisualBasicEventBlock(TestHost testHost)
{
var itemForIBar = new TestInheritanceMemberItem(
lineNumber: 2,
memberName: "Interface IBar",
[new TargetInfo(
targetSymbolDisplayName: "Bar",
locationTag: "target1",
relationship: InheritanceRelationship.ImplementingType)]);
var itemForBar = new TestInheritanceMemberItem(
lineNumber: 5,
memberName: "Class Bar",
[new TargetInfo(
targetSymbolDisplayName: "IBar",
locationTag: "target2",
relationship: InheritanceRelationship.ImplementedInterface)]);
var itemForEventInInterface = new TestInheritanceMemberItem(
lineNumber: 3,
memberName: "Event IBar.e As EventHandler",
[new TargetInfo(
targetSymbolDisplayName: "Bar.e",
locationTag: "target3",
relationship: InheritanceRelationship.ImplementingMember)]);
var itemForEventInClass = new TestInheritanceMemberItem(
lineNumber: 7,
memberName: "Event Bar.e As EventHandler",
[new TargetInfo(
targetSymbolDisplayName: "IBar.e",
locationTag: "target4",
relationship: InheritanceRelationship.ImplementedMember)]);
return VerifyInSingleDocumentAsync(
"""
Interface {|target2:IBar|}
Event {|target4:e|} As EventHandler
End Interface
Class {|target1:Bar|}
Implements IBar
Public Custom Event {|target3:e|} As EventHandler Implements IBar.e
End Event
End Class
""",
LanguageNames.VisualBasic,
testHost,
itemForIBar,
itemForBar,
itemForEventInInterface,
itemForEventInClass);
}
[Theory, CombinatorialData]
public Task TestVisualBasicInterfaceMembers(TestHost testHost)
{
var itemForIBar = new TestInheritanceMemberItem(
lineNumber: 2,
memberName: "Interface IBar",
targets: [new TargetInfo(
targetSymbolDisplayName: "Bar",
locationTag: "target1",
relationship: InheritanceRelationship.ImplementingType)]);
var itemForBar = new TestInheritanceMemberItem(
lineNumber: 7,
memberName: "Class Bar",
targets: [new TargetInfo(
targetSymbolDisplayName: "IBar",
locationTag: "target2",
relationship: InheritanceRelationship.ImplementedInterface)]);
var itemForPooInInterface = new TestInheritanceMemberItem(
lineNumber: 3,
memberName: "Property IBar.Poo As Integer",
targets: [new TargetInfo(
targetSymbolDisplayName: "Bar.Poo",
locationTag: "target3",
relationship: InheritanceRelationship.ImplementingMember)]);
var itemForPooInClass = new TestInheritanceMemberItem(
lineNumber: 9,
memberName: "Property Bar.Poo As Integer",
targets: [new TargetInfo(
targetSymbolDisplayName: "IBar.Poo",
locationTag: "target4",
relationship: InheritanceRelationship.ImplementedMember)]);
var itemForFooInInterface = new TestInheritanceMemberItem(
lineNumber: 4,
memberName: "Function IBar.Foo() As Integer",
targets: [new TargetInfo(
targetSymbolDisplayName: "Bar.Foo",
locationTag: "target5",
relationship: InheritanceRelationship.ImplementingMember)]);
var itemForFooInClass = new TestInheritanceMemberItem(
lineNumber: 16,
memberName: "Function Bar.Foo() As Integer",
targets: [new TargetInfo(
targetSymbolDisplayName: "IBar.Foo",
locationTag: "target6",
relationship: InheritanceRelationship.ImplementedMember)]);
return VerifyInSingleDocumentAsync(
"""
Interface {|target2:IBar|}
Property {|target4:Poo|} As Integer
Function {|target6:Foo|}() As Integer
End Interface
Class {|target1:Bar|}
Implements IBar
Public Property {|target3:Poo|} As Integer Implements IBar.Poo
Get
Return 1
End Get
Set(value As Integer)
End Set
End Property
Public Function {|target5:Foo|}() As Integer Implements IBar.Foo
Return 1
End Function
End Class
""",
LanguageNames.VisualBasic,
testHost,
itemForIBar,
itemForBar,
itemForPooInInterface,
itemForPooInClass,
itemForFooInInterface,
itemForFooInClass);
}
[Theory, CombinatorialData]
public Task TestVisualBasicMustInheritClassMember(TestHost testHost)
{
var itemForBar1 = new TestInheritanceMemberItem(
lineNumber: 2,
memberName: "Class Bar1",
targets: [new TargetInfo(
targetSymbolDisplayName: $"Bar",
locationTag: "target1",
relationship: InheritanceRelationship.DerivedType)]);
var itemForBar = new TestInheritanceMemberItem(
lineNumber: 6,
memberName: "Class Bar",
targets: [new TargetInfo(
targetSymbolDisplayName: "Bar1",
locationTag: "target2",
relationship: InheritanceRelationship.BaseType)]);
var itemForFooInBar1 = new TestInheritanceMemberItem(
lineNumber: 3,
memberName: "MustOverride Sub Bar1.Foo()",
targets: [new TargetInfo(
targetSymbolDisplayName: "Bar.Foo",
locationTag: "target3",
relationship: InheritanceRelationship.OverridingMember)]);
var itemForFooInBar = new TestInheritanceMemberItem(
lineNumber: 8,
memberName: "Overrides Sub Bar.Foo()",
targets: [new TargetInfo(
targetSymbolDisplayName: "Bar1.Foo",
locationTag: "target4",
relationship: InheritanceRelationship.OverriddenMember)]);
return VerifyInSingleDocumentAsync(
"""
MustInherit Class {|target2:Bar1|}
Public MustOverride Sub {|target4:Foo|}()
End Class
Class {|target1:Bar|}
Inherits Bar1
Public Overrides Sub {|target3:Foo|}()
End Sub
End Class
""",
LanguageNames.VisualBasic,
testHost,
itemForBar1,
itemForBar,
itemForFooInBar1,
itemForFooInBar);
}
[Theory, CombinatorialData]
public Task TestVisualBasicOverrideMemberCanFindImplementingInterface(bool testDuplicate, TestHost testHost)
{
var markup1 = """
Interface {|target4:IBar|}
Sub {|target6:Foo|}()
End Interface
Class {|target1:Bar1|}
Implements IBar
Public Overridable Sub {|target2:Foo|}() Implements IBar.Foo
End Sub
End Class
Class {|target5:Bar2|}
Inherits Bar1
Public Overrides Sub {|target3:Foo|}()
End Sub
End Class
""";
var markup2 = """
Interface {|target4:IBar|}
Sub {|target6:Foo|}()
End Interface
Class {|target1:Bar1|}
Implements IBar
Public Overridable Sub {|target2:Foo|}() Implements IBar.Foo
End Sub
End Class
Class {|target5:Bar2|}
Inherits Bar1
Public Overrides Sub {|target3:Foo|}()
End Sub
End Class
""";
var itemForIBar = new TestInheritanceMemberItem(
lineNumber: 2,
memberName: "Interface IBar",
targets:
[
new TargetInfo(
targetSymbolDisplayName: "Bar1",
locationTag: "target1",
relationship: InheritanceRelationship.ImplementingType),
new TargetInfo(
targetSymbolDisplayName: "Bar2",
locationTag: "target5",
relationship: InheritanceRelationship.ImplementingType),
]);
var itemForFooInIBar = new TestInheritanceMemberItem(
lineNumber: 3,
memberName: "Sub IBar.Foo()",
targets:
[
new TargetInfo(
targetSymbolDisplayName: "Bar1.Foo",
locationTag: "target2",
relationship: InheritanceRelationship.ImplementingMember),
new TargetInfo(
targetSymbolDisplayName: "Bar2.Foo",
locationTag: "target3",
relationship: InheritanceRelationship.ImplementingMember),
]);
var itemForBar1 = new TestInheritanceMemberItem(
lineNumber: 6,
memberName: "Class Bar1",
targets:
[
new TargetInfo(
targetSymbolDisplayName: "Bar2",
locationTag: "target5",
relationship: InheritanceRelationship.DerivedType),
new TargetInfo(
targetSymbolDisplayName: "IBar",
locationTag: "target4",
relationship: InheritanceRelationship.ImplementedInterface)
,
]);
var itemForFooInBar1 = new TestInheritanceMemberItem(
lineNumber: 8,
memberName: "Overridable Sub Bar1.Foo()",
targets:
[
new TargetInfo(
targetSymbolDisplayName: "IBar.Foo",
locationTag: "target6",
relationship: InheritanceRelationship.ImplementedMember),
new TargetInfo(
targetSymbolDisplayName: "Bar2.Foo",
locationTag: "target3",
relationship: InheritanceRelationship.OverridingMember),
]);
var itemForBar2 = new TestInheritanceMemberItem(
lineNumber: 12,
memberName: "Class Bar2",
targets:
[
new TargetInfo(
targetSymbolDisplayName: "Bar1",
locationTag: "target1",
relationship: InheritanceRelationship.BaseType),
new TargetInfo(
targetSymbolDisplayName: "IBar",
locationTag: "target4",
relationship: InheritanceRelationship.ImplementedInterface),
]);
var itemForFooInBar2 = new TestInheritanceMemberItem(
lineNumber: 14,
memberName: "Overrides Sub Bar2.Foo()",
targets:
[
new TargetInfo(
targetSymbolDisplayName: "IBar.Foo",
locationTag: "target6",
relationship: InheritanceRelationship.ImplementedMember),
new TargetInfo(
targetSymbolDisplayName: "Bar1.Foo",
locationTag: "target2",
relationship: InheritanceRelationship.OverriddenMember),
]);
return VerifyInSingleDocumentAsync(
testDuplicate ? markup2 : markup1,
LanguageNames.VisualBasic,
testHost,
itemForIBar,
itemForFooInIBar,
itemForBar1,
itemForFooInBar1,
itemForBar2,
itemForFooInBar2);
}
[Theory, CombinatorialData]
public Task TestVisualBasicFindGenericsBaseType(TestHost testHost)
{
var itemForIBar = new TestInheritanceMemberItem(
lineNumber: 2,
memberName: "Interface IBar(Of T)",
targets: [new TargetInfo(
targetSymbolDisplayName: "Bar",
locationTag: "target1",
relationship: InheritanceRelationship.ImplementingType)]);
var itemForFooInIBar = new TestInheritanceMemberItem(
lineNumber: 3,
memberName: "Sub IBar(Of T).Foo()",
targets:
[
new TargetInfo(
targetSymbolDisplayName: "Bar.Foo",
locationTag: "target3",
relationship: InheritanceRelationship.ImplementingMember),
new TargetInfo(
targetSymbolDisplayName: "Bar.IBar_Foo",
locationTag: "target4",
relationship: InheritanceRelationship.ImplementingMember),
]);
var itemForBar = new TestInheritanceMemberItem(
lineNumber: 6,
memberName: "Class Bar",
targets: [new TargetInfo(
targetSymbolDisplayName: "IBar(Of T)",
locationTag: "target5",
relationship: InheritanceRelationship.ImplementedInterface)]);
var itemForFooInBar = new TestInheritanceMemberItem(
lineNumber: 10,
memberName: "Sub Bar.Foo()",
targets: [new TargetInfo(
targetSymbolDisplayName: "IBar(Of T).Foo",
locationTag: "target6",
relationship: InheritanceRelationship.ImplementedMember)]);
var itemForIBar_FooInBar = new TestInheritanceMemberItem(
lineNumber: 14,
memberName: "Sub Bar.IBar_Foo()",
targets: [new TargetInfo(
targetSymbolDisplayName: "IBar(Of T).Foo",
locationTag: "target6",
relationship: InheritanceRelationship.ImplementedMember)]);
return VerifyInSingleDocumentAsync(
"""
Public Interface {|target5:IBar|}(Of T)
Sub {|target6:Foo|}()
End Interface
Public Class {|target1:Bar|}
Implements IBar(Of Integer)
Implements IBar(Of String)
Public Sub {|target3:Foo|}() Implements IBar(Of Integer).Foo
Throw New NotImplementedException()
End Sub
Private Sub {|target4:IBar_Foo|}() Implements IBar(Of String).Foo
Throw New NotImplementedException()
End Sub
End Class
""",
LanguageNames.VisualBasic,
testHost,
itemForIBar,
itemForFooInIBar,
itemForBar,
itemForFooInBar,
itemForIBar_FooInBar);
}
#endregion
[Theory, CombinatorialData]
public Task TestCSharpProjectReferencingVisualBasicProject(TestHost testHost)
{
var itemForBar = new TestInheritanceMemberItem(
lineNumber: 5,
memberName: "class Bar",
targets: [new TargetInfo(
targetSymbolDisplayName: "IBar",
locationTag: "target1",
relationship: InheritanceRelationship.ImplementedInterface)]);
var itemForFooInMarkup1 = new TestInheritanceMemberItem(
lineNumber: 7,
memberName: "void Bar.Foo()",
targets: [new TargetInfo(
targetSymbolDisplayName: "IBar.Foo",
locationTag: "target3",
relationship: InheritanceRelationship.ImplementedMember)]);
var itemForIBar = new TestInheritanceMemberItem(
lineNumber: 3,
memberName: "Interface IBar",
targets: [new TargetInfo(
targetSymbolDisplayName: "Bar",
locationTag: "target2",
relationship: InheritanceRelationship.ImplementingType)]);
var itemForFooInMarkup2 = new TestInheritanceMemberItem(
lineNumber: 4,
memberName: "Sub IBar.Foo()",
targets: [new TargetInfo(
targetSymbolDisplayName: "Bar.Foo",
locationTag: "target4",
relationship: InheritanceRelationship.ImplementingMember)]);
return VerifyInDifferentProjectsAsync(
("""
using MyNamespace;
namespace BarNs
{
public class {|target2:Bar|} : IBar
{
public void {|target4:Foo|}() { }
}
}
""", LanguageNames.CSharp),
("""
Namespace MyNamespace
Public Interface {|target1:IBar|}
Sub {|target3:Foo|}()
End Interface
End Namespace
""", LanguageNames.VisualBasic),
[itemForBar, itemForFooInMarkup1],
[itemForIBar, itemForFooInMarkup2],
testHost);
}
[Theory, CombinatorialData]
public Task TestVisualBasicProjectReferencingCSharpProject(TestHost testHost)
{
var itemForProjectImports =
new TestInheritanceMemberItem(
lineNumber: 2,
memberName: VBFeaturesResources.Project_level_Imports,
targets:
[
new TargetInfo("System", InheritanceRelationship.InheritedImport),
new TargetInfo("System.Collections.Generic", InheritanceRelationship.InheritedImport),
new TargetInfo("System.Linq", InheritanceRelationship.InheritedImport),
]);
var itemForBar44 = new TestInheritanceMemberItem(
lineNumber: 4,
memberName: "Class Bar44",
targets: [new TargetInfo(
targetSymbolDisplayName: "IBar",
locationTag: "target1",
relationship: InheritanceRelationship.ImplementedInterface)]);
var itemForFooInMarkup1 = new TestInheritanceMemberItem(
lineNumber: 7,
memberName: "Sub Bar44.Foo()",
targets: [new TargetInfo(
targetSymbolDisplayName: "IBar.Foo",
locationTag: "target3",
relationship: InheritanceRelationship.ImplementedMember)]);
var itemForIBar = new TestInheritanceMemberItem(
lineNumber: 4,
memberName: "interface IBar",
targets: [new TargetInfo(
targetSymbolDisplayName: "Bar44",
locationTag: "target2",
relationship: InheritanceRelationship.ImplementingType)]);
var itemForFooInMarkup2 = new TestInheritanceMemberItem(
lineNumber: 6,
memberName: "void IBar.Foo()",
targets: [new TargetInfo(
targetSymbolDisplayName: "Bar44.Foo",
locationTag: "target4",
relationship: InheritanceRelationship.ImplementingMember)]);
return VerifyInDifferentProjectsAsync(
("""
Imports BarNs
Namespace MyNamespace
Public Class {|target2:Bar44|}
Implements IBar
Public Sub {|target4:Foo|}() Implements IBar.Foo
End Sub
End Class
End Namespace
""", LanguageNames.VisualBasic),
("""
namespace BarNs
{
public interface {|target1:IBar|}
{
void {|target3:Foo|}();
}
}
""", LanguageNames.CSharp),
[itemForProjectImports, itemForBar44, itemForFooInMarkup1],
[itemForIBar, itemForFooInMarkup2],
testHost);
}
[Theory, CombinatorialData]
public Task TestSameNameSymbolInDifferentLanguageProjects(TestHost testHost)
{
var itemForBarInMarkup1 = new TestInheritanceMemberItem(
lineNumber: 5,
memberName: "class Bar",
targets: [new TargetInfo(
targetSymbolDisplayName: "IBar",
locationTag: "target2",
relationship: InheritanceRelationship.ImplementedInterface)]);
var itemForIBar = new TestInheritanceMemberItem(
lineNumber: 3,
memberName: "Interface IBar",
targets:
[
new TargetInfo(
targetSymbolDisplayName: "Bar",
locationTag: "target1",
relationship: InheritanceRelationship.ImplementingType,
languageGlyph: Glyph.CSharpFile,
projectName: "Assembly1"),
new TargetInfo(
targetSymbolDisplayName: "Bar",
locationTag: "target3",
relationship: InheritanceRelationship.ImplementingType,
languageGlyph: Glyph.BasicFile,
projectName: "Assembly2"),
]);
var itemForBarInMarkup2 = new TestInheritanceMemberItem(
lineNumber: 6,
memberName: "Class Bar",
targets: [new TargetInfo(
targetSymbolDisplayName: "IBar",
locationTag: "target2",
relationship: InheritanceRelationship.ImplementedInterface)]);
return VerifyInDifferentProjectsAsync(
("""
using MyNamespace;
namespace BarNs
{
public class {|target1:Bar|} : IBar
{
}
}
""", LanguageNames.CSharp),
("""
Namespace MyNamespace
Public Interface {|target2:IBar|}
End Interface
Public Class {|target3:Bar|}
Implements IBar
End Class
End Namespace
""", LanguageNames.VisualBasic),
[itemForBarInMarkup1],
[itemForIBar, itemForBarInMarkup2],
testHost);
}
[Theory, CombinatorialData]
public Task TestSameNameSymbolInSameLanguageProjects(TestHost testHost)
{
var itemForBarInMarkup1 = new TestInheritanceMemberItem(
lineNumber: 5,
memberName: "class Bar",
targets: [new TargetInfo(
targetSymbolDisplayName: "IBar",
locationTag: "target2",
relationship: InheritanceRelationship.ImplementedInterface)]);
var itemForIBar = new TestInheritanceMemberItem(
lineNumber: 3,
memberName: "interface IBar",
targets:
[
new TargetInfo(
targetSymbolDisplayName: "Bar",
locationTag: "target1",
relationship: InheritanceRelationship.ImplementingType,
languageGlyph: Glyph.CSharpFile,
projectName: "Assembly1"),
new TargetInfo(
targetSymbolDisplayName: "Bar",
locationTag: "target3",
relationship: InheritanceRelationship.ImplementingType,
languageGlyph: Glyph.CSharpFile,
projectName: "Assembly2"),
]);
var itemForBarInMarkup2 = new TestInheritanceMemberItem(
lineNumber: 6,
memberName: "class Bar",
targets: [new TargetInfo(
targetSymbolDisplayName: "IBar",
locationTag: "target2",
relationship: InheritanceRelationship.ImplementedInterface)]);
return VerifyInDifferentProjectsAsync(
("""
using MyNamespace;
namespace BarNs
{
public class {|target1:Bar|} : IBar
{
}
}
""", LanguageNames.CSharp),
("""
namespace MyNamespace {
public interface {|target2:IBar|}
{}
public class {|target3:Bar|}
: IBar
{}
}
""", LanguageNames.CSharp),
[itemForBarInMarkup1],
[itemForIBar, itemForBarInMarkup2],
testHost);
}
[Theory, CombinatorialData]
public Task TestHiddenLocationSymbol(TestHost testHost)
=> VerifyNoItemForDocumentAsync("""
public class {|target2:B|} : C
{
}
#line hidden
public class {|target1:C|}
{
}
""",
LanguageNames.CSharp,
testHost);
[Theory, CombinatorialData]
[WorkItem("https://devdiv.visualstudio.com/DevDiv/_workitems/edit/1988154/")]
public async Task TestNoResultOutsideSpan(TestHost testHost)
{
// 1. If the searching span is the empty body, nothing should be returned.
await VerifyNoItemForDocumentAsync($$"""
public class B : C
{
{|{{SearchAreaTag}}:
|}
}
public class C
{
}
""",
LanguageNames.CSharp,
testHost);
// 2. If the searching span contains the identifier, correct result should be returned.
await VerifyInSingleDocumentAsync($$"""
public class {|{{SearchAreaTag}}:B|} : C
{
}
public class {|target:C|}
{
}
""",
LanguageNames.CSharp,
testHost,
memberItems: [new TestInheritanceMemberItem(
lineNumber: 2,
memberName: "class B",
targets: [new TargetInfo(
targetSymbolDisplayName: "C",
locationTag: "target",
relationship: InheritanceRelationship.BaseType)])]);
}
}
|