public void LabelNotUsed_EdgeCaseIssue3226()
{
const string inputCode = @"
Sub foo()
100 'line-number
200: 'line-number with instruction spearator
300 Beep 'Line-number and instruction
400: Beep 'Line-number with instruction separator and instruction
bar: 'line-label
buzz: Beep 'Line-label and instruction
50 fizz: 'line-number and line-label
10 foo: Beep 'Line number and line-label (that matches procedure name) and instruction
20 boo: Beep 'Line number and line-label and instruction
End Sub
";
var vbe = MockVbeBuilder.BuildFromSingleStandardModule(inputCode, out _);
using (var state = MockParser.CreateAndParse(vbe.Object))
{
var inspection = new LineLabelNotUsedInspection(state);
var inspectionResults = inspection.GetInspectionResults(CancellationToken.None);
Assert.AreEqual(5, inspectionResults.Count());
}
}
public void LabelNotUsed_QuickFixWorks_MultipleLabels()
{
const string inputCode =
@"Sub Foo()
label1:
dim var1 as variant
label2:
goto label1:
End Sub";
const string expectedCode =
@"Sub Foo()
label1:
dim var1 as variant
goto label1:
End Sub";;
var vbe = MockVbeBuilder.BuildFromSingleStandardModule(inputCode, out var component);
using (var state = MockParser.CreateAndParse(vbe.Object))
{
var inspection = new LineLabelNotUsedInspection(state);
new RemoveUnusedDeclarationQuickFix(state).Fix(inspection.GetInspectionResults(CancellationToken.None).First());
var rewriter = state.GetRewriter(component);
Assert.AreEqual(expectedCode, rewriter.GetText());
}
}
public void LabelNotUsed_ReturnsResult()
{
const string inputCode =
@"Sub Foo()
label1:
End Sub";
var vbe = MockVbeBuilder.BuildFromSingleStandardModule(inputCode, out _);
var state = MockParser.CreateAndParse(vbe.Object);
var inspection = new LineLabelNotUsedInspection(state);
var inspectionResults = inspection.GetInspectionResults();
Assert.AreEqual(1, inspectionResults.Count());
}
public void LabelNotUsed_Ignored_DoesNotReturnResult()
{
const string inputCode =
@"Sub Foo()
'@Ignore label1
End Sub";
var vbe = MockVbeBuilder.BuildFromSingleStandardModule(inputCode, out _);
var state = MockParser.CreateAndParse(vbe.Object);
var inspection = new LineLabelNotUsedInspection(state);
var inspectionResults = inspection.GetInspectionResults();
Assert.IsFalse(inspectionResults.Any());
}
public void GivenGoToStatement_GoToBeforeLabel_LabelUsed_YieldsNoResult()
{
const string inputCode =
@"Sub Foo()
GoTo label1
label1:
End Sub";
var vbe = MockVbeBuilder.BuildFromSingleStandardModule(inputCode, out _);
var state = MockParser.CreateAndParse(vbe.Object);
var inspection = new LineLabelNotUsedInspection(state);
var inspectionResults = inspection.GetInspectionResults();
Assert.AreEqual(0, inspectionResults.Count());
}
public void LabelNotUsed_ReturnsResult_MultipleLabels()
{
const string inputCode =
@"Sub Foo()
label1:
label2:
End Sub";
var vbe = MockVbeBuilder.BuildFromSingleStandardModule(inputCode, out _);
using (var state = MockParser.CreateAndParse(vbe.Object))
{
var inspection = new LineLabelNotUsedInspection(state);
var inspectionResults = inspection.GetInspectionResults(CancellationToken.None);
Assert.AreEqual(2, inspectionResults.Count());
}
}
public void GivenMultipleGoToStatements_BothLabelsUsed_YieldsNoResult()
{
const string inputCode =
@"Sub Foo()
label1:
GoTo label1
label2:
Goto label2
End Sub";
var vbe = MockVbeBuilder.BuildFromSingleStandardModule(inputCode, out _);
using (var state = MockParser.CreateAndParse(vbe.Object))
{
var inspection = new LineLabelNotUsedInspection(state);
var inspectionResults = inspection.GetInspectionResults(CancellationToken.None);
Assert.AreEqual(0, inspectionResults.Count());
}
}
public void LabelNotUsed_ReturnsResult_WithUsedLabelThatDoesNotReturnResult()
{
const string inputCode =
@"Sub Foo()
GoTo Label1:
label2:
label1:
End Sub
Sub Goo(ByVal arg1 As Integer)
End Sub";
var vbe = MockVbeBuilder.BuildFromSingleStandardModule(inputCode, out _);
var state = MockParser.CreateAndParse(vbe.Object);
var inspection = new LineLabelNotUsedInspection(state);
var inspectionResults = inspection.GetInspectionResults();
Assert.AreEqual(1, inspectionResults.Count());
}
public void LabelNotUsed_IgnoreQuickFixWorks()
{
const string inputCode =
@"Sub Foo()
label1:
End Sub";
const string expectedCode =
@"Sub Foo()
'@Ignore LineLabelNotUsed
label1:
End Sub";
var vbe = MockVbeBuilder.BuildFromSingleStandardModule(inputCode, out var component);
var state = MockParser.CreateAndParse(vbe.Object);
var inspection = new LineLabelNotUsedInspection(state);
new IgnoreOnceQuickFix(state, new[] { inspection }).Fix(inspection.GetInspectionResults().First());
Assert.AreEqual(expectedCode, state.GetRewriter(component).GetText());
}