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Refactor CyclomaticComplexityCalculatorTests.cs and CyclomaticComplex… #8

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Merged
magic5644 merged 2 commits into from
Oct 21, 2024
Merged

Refactor CyclomaticComplexityCalculatorTests.cs and CyclomaticComplex… #8

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cef2f5c
Refactor CyclomaticComplexityCalculatorTests.cs and CyclomaticComplex…
magic5644 Oct 21, 2024
80c5bbd
Refactor CyclomaticComplexityCalculatorTests.cs: Update expected comp…
magic5644 Oct 21, 2024
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43 changes: 42 additions & 1 deletion CodeLineCounter.Tests/CyclomaticComplexityCalculatorTests.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -60,7 +60,48 @@ public void MyMethod()
var complexity = CyclomaticComplexityCalculator.Calculate(methodDeclaration, semanticModel);

// Assert
Assert.Equal(2, complexity);
Assert.Equal(3, complexity);
}

[Fact]
public void Calculate_Should_Return_Correct_Complexity_6()
{
// Arrange
var syntaxTree = CSharpSyntaxTree.ParseText(@"
class Program
{
static void Main(string[] args)
{
int x = 5;

switch (x)
{
case 1:
Console.WriteLine(1);
break;
case 2:
Console.WriteLine(2);
break;
case 3:
Console.WriteLine(3);
break;
case 4:
Console.WriteLine(4);
break;
}
}
}
");
var root = syntaxTree.GetRoot();
var methodDeclaration = root.DescendantNodes().OfType<MethodDeclarationSyntax>().First();
var compilation = CSharpCompilation.Create("TestCompilation", new[] { syntaxTree });
var semanticModel = compilation.GetSemanticModel(syntaxTree);

// Act
var complexity = CyclomaticComplexityCalculator.Calculate(methodDeclaration, semanticModel);

// Assert
Assert.Equal(6, complexity);
}
}
}
6 changes: 5 additions & 1 deletion CodeLineCounter/Services/CyclomaticComplexityCalculator.cs
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Expand Up @@ -53,11 +53,15 @@ private static int CalculateComplexity(SyntaxNode node)
switch (descendant.Kind())
{
case SyntaxKind.IfStatement:
case SyntaxKind.ElseClause:
case SyntaxKind.SwitchStatement:
case SyntaxKind.CaseSwitchLabel:
case SyntaxKind.DefaultSwitchLabel:
case SyntaxKind.ForStatement:
case SyntaxKind.ForEachStatement:
case SyntaxKind.WhileStatement:
case SyntaxKind.DoStatement:
case SyntaxKind.CaseSwitchLabel:
case SyntaxKind.TryStatement:
case SyntaxKind.CatchClause:
complexity++;
break;
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