public async Task TestCSharpCompilerWarningDeclaredWithWrongArgument()
{
var testCode = @"
class TestClass {
int value = 3;
}
";
var exception = await Assert.ThrowsAsync <InvalidOperationException>(async() =>
{
await new CSharpTest
{
TestCode = testCode,
ExpectedDiagnostics = { DiagnosticResult.CompilerWarning("CS0414").WithSpan(3, 7, 3, 12).WithArguments("TestClass2.value") },
CompilerDiagnostics = CompilerDiagnostics.Warnings,
}.RunAsync();
});
var expected =
"Expected diagnostic message arguments to match" + Environment.NewLine +
Environment.NewLine +
"Expected diagnostic:" + Environment.NewLine +
" // /0/Test0.cs(3,7,3,12): warning CS0414" + Environment.NewLine +
"DiagnosticResult.CompilerWarning(\"CS0414\").WithSpan(3, 7, 3, 12).WithArguments(\"TestClass2.value\")," + Environment.NewLine +
Environment.NewLine +
"Actual diagnostic:" + Environment.NewLine +
" // /0/Test0.cs(3,7): warning CS0414: The field 'TestClass.value' is assigned but its value is never used" + Environment.NewLine +
"DiagnosticResult.CompilerWarning(\"CS0414\").WithSpan(3, 7, 3, 12).WithArguments(\"TestClass.value\")," + Environment.NewLine +
Environment.NewLine;
new DefaultVerifier().EqualOrDiff(expected, exception.Message);
}
public async Task VerifySimpleSyntaxWorks()
{
var before = @"
using System;
namespace ConsoleApp1
{
public class TestClass
{
private int someField;
public void SomeMethod(){}
}
}";
var after = @"
using System;
namespace ConsoleApp1
{
public class TestClass
{
public void SomeMethod(){}
}
}";
var diagnostic = DiagnosticResult.CompilerWarning("CS0169").WithSpan(8, 21, 8, 30).WithArguments("ConsoleApp1.TestClass.someField");
await Verify <SomeCodeFix> .VerifyCodeFixAsync(before, diagnostic, after);
}
public async Task TestCSharpCompilerWarning()
{
var testCode = @"
class TestClass {
int value = 3;
}
";
// By default the warning is ignored
Assert.Equal(CompilerDiagnostics.Errors, new CSharpTest {
TestCode = testCode
}.CompilerDiagnostics);
await new CSharpTest {
TestCode = testCode
}.RunAsync();
// The warning is checked with explicit configuration
await new CSharpTest
{
TestCode = testCode,
ExpectedDiagnostics = { DiagnosticResult.CompilerWarning("CS0414").WithSpan(3, 7, 3, 12).WithArguments("TestClass.value") },
CompilerDiagnostics = CompilerDiagnostics.Warnings,
}.RunAsync();
}
