public void UnusedMethodAnalyserReportsNothingIfAllMethodsAreUsed()
{
string code = @"
using System;
public class TestClass1
{
public void TestMethod()
{
TestClass2 test = new TestClass2();
test.TestMethod();
}
}
public class TestClass2
{
public void TestMethod()
{
TestClass1 test = new TestClass1();
test.TestMethod();
}
}
";
CompilationUnitSyntax root = CSharpSyntaxTree.ParseText(code).GetCompilationUnitRoot();
UnusedMethodAnalyser analyser = new UnusedMethodAnalyser();
analyser.Visit(root);
IReadOnlyCollection <AnalyserItem> result = analyser.AnalyserItems;
Assert.Empty(result);
}
public void UnusedMethodAnalyserReportsUnusedMethods()
{
string code = @"
using System;
public class TestClass
{
public void TestMethod()
{
this.TestMethod2();
}
private void TestMethod2()
{
var result = 1 + 1;
}
}
";
CompilationUnitSyntax root = CSharpSyntaxTree.ParseText(code).GetCompilationUnitRoot();
UnusedMethodAnalyser analyser = new UnusedMethodAnalyser();
analyser.Visit(root);
IReadOnlyCollection <AnalyserItem> result = analyser.AnalyserItems;
Assert.NotEmpty(result);
Assert.Equal(1, result.Count);
Assert.Equal("Unused method", result.First().Message);
Assert.Equal(5, result.First().NodeReference.GetSyntax().GetLocation().GetMappedLineSpan().StartLinePosition.Line);
}