public async Task DoesNotFindErrorForTheoryWithNonParamsArrayAsync(string versionString)
{
var analyzer = new TheoryMethodCannotHaveParamsArray(versionString);
var diagnostics = await CodeAnalyzerHelper.GetDiagnosticsAsync(analyzer,
"class TestClass {" +
" [Xunit.Theory] public void TestMethod(int a, string b, string[] c) { }" +
"}");
Assert.Empty(diagnostics);
}
public async Task DoesNotFindErrorForTheoryWithParamsArrayAsync_WhenParamsArraySupported()
{
// 2.2.0 does support params arrays
var analyzer = new TheoryMethodCannotHaveParamsArray("2.2.0");
var diagnostics = await CodeAnalyzerHelper.GetDiagnosticsAsync(analyzer,
"class TestClass {" +
" [Xunit.Theory] public void TestMethod(int a, string b, params string[] c) { }" +
"}");
Assert.Empty(diagnostics);
}
public async Task FindsErrorForTheoryWithParamsArrayAsync_WhenParamsArrayNotSupported()
{
// 2.1.0 does not support params arrays
var analyzer = new TheoryMethodCannotHaveParamsArray("2.1.0");
var diagnostics = await CodeAnalyzerHelper.GetDiagnosticsAsync(analyzer,
"class TestClass {" +
" [Xunit.Theory] public void TestMethod(int a, string b, params string[] c) { }" +
"}");
Assert.Collection(diagnostics,
d =>
{
Assert.Equal("Theory method 'TestMethod' on test class 'TestClass' cannot have a parameter array 'c'.", d.GetMessage());
Assert.Equal("xUnit1022", d.Descriptor.Id);
Assert.Equal(DiagnosticSeverity.Error, d.Severity);
});
}
