public async Task VerifyRefactoringAsync(
string source,
string sourceData,
string expectedData,
IEnumerable <string> additionalFiles = null,
string equivalenceKey = null,
TestOptions options = null,
CancellationToken cancellationToken = default)
{
var code = TestCode.Parse(source, sourceData, expectedData);
Debug.Assert(code.Spans.Length > 0);
var expected = ExpectedTestState.Parse(code.ExpectedValue);
var data = new RefactoringTestData(
code.Value,
code.Spans.OrderByDescending(f => f.Start).ToImmutableArray(),
AdditionalFile.CreateRange(additionalFiles),
equivalenceKey: equivalenceKey);
await VerifyRefactoringAsync(
data,
expected,
options,
cancellationToken : cancellationToken);
}
public async Task VerifyNoRefactoringAsync(
string source,
string equivalenceKey = null,
TestOptions options = null,
CancellationToken cancellationToken = default)
{
var code = TestCode.Parse(source);
var data = new RefactoringTestData(
code.Value,
code.Spans,
equivalenceKey: equivalenceKey);
await VerifyNoRefactoringAsync(
data,
options,
cancellationToken : cancellationToken);
}
public static void TestExpressionChainEnumerator_WithSpan4()
{
const string s = @"
class C
{
void M(string a, string b)
{
string s = a + [|b|];
}
}";
var code = TestCode.Parse(s);
BinaryExpressionSyntax be = CSharpSyntaxTree.ParseText(code.Value).GetRoot().FirstDescendant <BinaryExpressionSyntax>();
ExpressionChain.Enumerator en = new ExpressionChain(be, code.Spans[0]).GetEnumerator();
Assert.True(en.MoveNext() && en.Current == be.Right);
Assert.True(!en.MoveNext());
}
public async Task VerifyDiagnosticAsync(
string source,
IEnumerable <string> additionalFiles = null,
TestOptions options = null,
CancellationToken cancellationToken = default)
{
var code = TestCode.Parse(source);
var data = new DiagnosticTestData(
Descriptor,
code.Value,
code.Spans,
code.AdditionalSpans,
additionalFiles: AdditionalFile.CreateRange(additionalFiles));
await VerifyDiagnosticAsync(
data,
options : options,
cancellationToken : cancellationToken);
}
public static void TestExpressionChainReversedEnumerator_WithSpan()
{
const string s = @"
class C
{
void M(string a, string b, string c)
{
string s = [|a + b + c|];
}
}";
var code = TestCode.Parse(s);
BinaryExpressionSyntax be = CSharpSyntaxTree.ParseText(code.Value).GetRoot().FirstDescendant <BinaryExpressionSyntax>();
var be2 = (BinaryExpressionSyntax)be.Left;
ExpressionChain.Reversed.Enumerator en = new ExpressionChain(be, code.Spans[0]).Reverse().GetEnumerator();
Assert.True(en.MoveNext() && en.Current == be.Right);
Assert.True(en.MoveNext() && en.Current == be2.Right);
Assert.True(en.MoveNext() && en.Current == be2.Left);
Assert.True(!en.MoveNext());
}
public async Task VerifyDiagnosticAsync(
string source,
string sourceData,
IEnumerable <string> additionalFiles = null,
TestOptions options = null,
CancellationToken cancellationToken = default)
{
var code = TestCode.Parse(source, sourceData);
Debug.Assert(code.Spans.Length > 0);
var state = new DiagnosticTestState(
Descriptor,
source,
code.Spans,
code.AdditionalSpans,
additionalFiles: AdditionalFile.CreateRange(additionalFiles));
await VerifyDiagnosticAsync(
state,
options : options,
cancellationToken : cancellationToken);
}