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VSTHRD102AvoidJtfRunInNonPublicMembersAnalyzerTests.cs
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VSTHRD102AvoidJtfRunInNonPublicMembersAnalyzerTests.cs
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// Copyright (c) Microsoft. All rights reserved.
// Licensed under the MIT license. See LICENSE file in the project root for full license information.
namespace Microsoft.VisualStudio.Threading.Analyzers.Tests
{
using System.Threading.Tasks;
using Microsoft.CodeAnalysis;
using Xunit;
using Verify = CSharpCodeFixVerifier<VSTHRD102AvoidJtfRunInNonPublicMembersAnalyzer, CodeAnalysis.Testing.EmptyCodeFixProvider>;
public class VSTHRD102AvoidJtfRunInNonPublicMembersAnalyzerTests
{
[Fact]
public async Task JtfRunInPublicMethodsOfInternalType_ProducesDiagnostic()
{
var test = @"
using Microsoft.VisualStudio.Threading;
class Test {
JoinableTaskFactory jtf;
public void F() {
jtf.Run(() => TplExtensions.CompletedTask);
}
}
";
CodeAnalysis.Testing.DiagnosticResult expected = Verify.Diagnostic().WithLocation(8, 13);
await Verify.VerifyAnalyzerAsync(test, expected);
}
[Fact]
public async Task JtfRunInPublicMethodsOfPublicType_DoesNotProduceDiagnostic()
{
var test = @"
using Microsoft.VisualStudio.Threading;
public class Test {
JoinableTaskFactory jtf;
public void F() {
jtf.Run(() => TplExtensions.CompletedTask);
}
}
";
await Verify.VerifyAnalyzerAsync(test);
}
[Fact]
public async Task JtfRunInTaskReturningMethod_DoesNotProduceDiagnostic()
{
var test = @"
using System.Threading.Tasks;
using Microsoft.VisualStudio.Threading;
class Test {
JoinableTaskFactory jtf;
public Task F() {
jtf.Run(() => TplExtensions.CompletedTask);
return Task.CompletedTask;
}
}
";
await Verify.VerifyAnalyzerAsync(test);
}
[Fact]
public async Task JtfRunInProtectedMethodsOfInternalType_ProducesDiagnostic()
{
var test = @"
using Microsoft.VisualStudio.Threading;
class Test {
JoinableTaskFactory jtf;
protected void F() {
jtf.Run(() => TplExtensions.CompletedTask);
}
}
";
CodeAnalysis.Testing.DiagnosticResult expected = Verify.Diagnostic().WithLocation(8, 13);
await Verify.VerifyAnalyzerAsync(test, expected);
}
[Fact]
public async Task JtfRunInProtectedMethodsOfPublicType_DoesNotProduceDiagnostic()
{
var test = @"
using Microsoft.VisualStudio.Threading;
public class Test {
JoinableTaskFactory jtf;
protected void F() {
jtf.Run(() => TplExtensions.CompletedTask);
}
}
";
await Verify.VerifyAnalyzerAsync(test);
}
[Fact]
public async Task JtfRunInExplicitlyInternalMethods_ProducesDiagnostic()
{
var test = @"
using Microsoft.VisualStudio.Threading;
class Test {
JoinableTaskFactory jtf;
internal void F() {
jtf.Run(() => TplExtensions.CompletedTask);
}
}
";
CodeAnalysis.Testing.DiagnosticResult expected = Verify.Diagnostic().WithLocation(8, 13);
await Verify.VerifyAnalyzerAsync(test, expected);
}
[Fact]
public async Task JtfRunInImplicitlyInternalMethods_ProducesDiagnostic()
{
var test = @"
using Microsoft.VisualStudio.Threading;
class Test {
JoinableTaskFactory jtf;
void F() {
jtf.Run(() => TplExtensions.CompletedTask);
}
}
";
CodeAnalysis.Testing.DiagnosticResult expected = Verify.Diagnostic().WithLocation(8, 13);
await Verify.VerifyAnalyzerAsync(test, expected);
}
[Fact]
public async Task JtfRunAllowedInMainMethod_DoesNotProduceDiagnostic()
{
var test = @"
using Microsoft.VisualStudio.Threading;
class Program {
static JoinableTaskFactory jtf;
static void Main() {
jtf.Run(() => TplExtensions.CompletedTask);
}
}
";
await new Verify.Test
{
TestState =
{
Sources = { test },
OutputKind = OutputKind.ConsoleApplication,
},
}.RunAsync();
}
[Fact]
public async Task JtfRunInExplicitInterfaceImplementationOfInternalInterface_ProducesDiagnostic()
{
var test = @"
using Microsoft.VisualStudio.Threading;
interface IFoo
{
void F();
}
class Test : IFoo {
JoinableTaskFactory jtf;
void IFoo.F() {
jtf.Run(() => TplExtensions.CompletedTask);
}
}
";
CodeAnalysis.Testing.DiagnosticResult expected = Verify.Diagnostic().WithLocation(13, 13);
await Verify.VerifyAnalyzerAsync(test, expected);
}
[Fact]
public async Task JtfRunInImplicitInterfaceImplementationOfInternalInterface_ProducesDiagnostic()
{
var test = @"
using Microsoft.VisualStudio.Threading;
interface IFoo
{
void F();
}
class Test : IFoo {
JoinableTaskFactory jtf;
public void F() {
jtf.Run(() => TplExtensions.CompletedTask);
}
}
";
CodeAnalysis.Testing.DiagnosticResult expected = Verify.Diagnostic().WithLocation(13, 13);
await Verify.VerifyAnalyzerAsync(test, expected);
}
[Fact]
public async Task JtfRunInExplicitInterfaceImplementationOfPublicInterface_ProducesNoDiagnostic()
{
var test = @"
using Microsoft.VisualStudio.Threading;
public interface IFoo
{
void F();
}
class Test : IFoo {
JoinableTaskFactory jtf;
void IFoo.F() {
jtf.Run(() => TplExtensions.CompletedTask);
}
}
";
await Verify.VerifyAnalyzerAsync(test);
}
[Fact]
public async Task JtfRunInImplicitInterfaceImplementationOfPublicInterface_ProducesNoDiagnostic()
{
var test = @"
using Microsoft.VisualStudio.Threading;
public interface IFoo
{
void F();
}
class Test : IFoo {
JoinableTaskFactory jtf;
public void F() {
jtf.Run(() => TplExtensions.CompletedTask);
}
}
";
await Verify.VerifyAnalyzerAsync(test);
}
[Fact]
public async Task JtfRunInPublicConstructorOfInternalType_ProducesDiagnostic()
{
var test = @"
using Microsoft.VisualStudio.Threading;
class Test {
JoinableTaskFactory jtf;
public Test() {
jtf.Run(() => TplExtensions.CompletedTask);
}
}
";
CodeAnalysis.Testing.DiagnosticResult expected = Verify.Diagnostic().WithLocation(8, 13);
await Verify.VerifyAnalyzerAsync(test, expected);
}
[Fact]
public async Task JtfRunInPublicConstructorOfPublicType_DoesNotProduceDiagnostic()
{
var test = @"
using Microsoft.VisualStudio.Threading;
public class Test {
JoinableTaskFactory jtf;
public Test() {
jtf.Run(() => TplExtensions.CompletedTask);
}
}
";
await Verify.VerifyAnalyzerAsync(test);
}
[Fact]
public async Task JtfRunAndPropertyGetterInLambda_ProducesNoDiagnostic()
{
var test = @"
using System;
using System.Threading.Tasks;
using Microsoft.VisualStudio.Threading;
class Test {
JoinableTaskFactory jtf;
void F() {
Action action = () => {
jtf.Run(() => TplExtensions.CompletedTask);
Task<int> t = null;
int v = t.Result;
};
}
}
";
await Verify.VerifyAnalyzerAsync(test);
}
[Fact]
public async Task JtfRunAndPropertyGetterInAnonymousDelegate_ProducesNoDiagnostic()
{
var test = @"
using System;
using System.Threading.Tasks;
using Microsoft.VisualStudio.Threading;
class Test {
JoinableTaskFactory jtf;
void F() {
Action action = delegate {
jtf.Run(() => TplExtensions.CompletedTask);
Task<int> t = null;
int v = t.Result;
};
}
}
";
await Verify.VerifyAnalyzerAsync(test);
}
[Fact(Skip = "Unattainable given Roslyn analyzers are sync and find all references is async")]
public async Task JtfRunAndPropertyGetterPrivateMethodUsedAsDelegate_ProducesNoDiagnostic()
{
var test = @"
using System;
using System.Threading.Tasks;
using Microsoft.VisualStudio.Threading;
public class Test {
JoinableTaskFactory jtf;
void F() {
Advise(SomeSyncMethod);
}
void SomeSyncMethod(int x) {
jtf.Run(() => TplExtensions.CompletedTask);
Task<int> t = null;
int v = t.Result;
}
public void Advise(Action<int> foo) { }
}
";
await Verify.VerifyAnalyzerAsync(test);
}
[Fact]
public async Task JtfRunInPrivateMethod__WithMultiMemberAccessExpression_ProducesDiagnostic()
{
var test = @"
using System.Threading.Tasks;
using Microsoft.VisualStudio.Threading;
class Other {
internal static JoinableTaskFactory factory;
}
class Test {
Foo foo;
JoinableTaskFactory jtf;
void F() {
object v = Other.factory.[|Run|](async () => { return await this.foo.DoSomethingAsync(); });
jtf.[|Run|](async delegate {
await jtf.SwitchToMainThreadAsync();
});
}
class Foo {
internal Task<object> DoSomethingAsync() => new TaskCompletionSource<object>().Task;
}
}
";
await Verify.VerifyAnalyzerAsync(test);
}
}
}