IfTest.cs :  » Code-Coverage-Tools » NCover » NCoverCheckTests » AcceptenceTests » Vb » C# / CSharp Open Source

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C# / CSharp Open Source » Code Coverage Tools » NCover 
NCover » NCoverCheckTests » AcceptenceTests » Vb » IfTest.cs
using System;
using NUnit.Framework;
using NCover;

namespace NCoverCheckTests.AcceptenceTests.Vb{
  /// <summary>
  /// Summary description for IfTest.
  /// </summary>
  [TestFixture]
  public class IfTest
  {
    [SetUp]
    public void SetUp()
    {
      NCoverCheck.ResetForTests();    
    }

    [Test]
    public void CorrectCoverageOfTrueIf()
    {
      const string COVER_TRUE_IF = @"
    Public Class A
        Public Shared Function B() As Boolean()
            If System.Environment.TickCount > 0 Then '4
                Return NCover.NCoverCheck.covered 'todo
            End If

            Return NCover.NCoverCheck.covered 'todo
        End Function
    End Class";

      string instrumentedCode;
      TestUtilities.AssertVbCompiles(new string[] { COVER_TRUE_IF }, "A");

      CoveragePoint[] points = new VbInstrumenter( 0, COVER_TRUE_IF, "").Do(out instrumentedCode, null);
      Assert.AreEqual(1, points.Length);

      bool[] results = (bool[]) TestUtilities.AssertVbCompiles(new string[] { instrumentedCode }, "A");
      Assert.AreEqual(1, results.Length);

      Assert.IsTrue(TestUtilities.WasHit(points, results, 4));
      //Assert.IsTrue(TestUtilities.WasHit(points, results, 5));
      //Assert.IsFalse(TestUtilities.WasHit(points, results, 8));
    }

    [Test]
    public void CorrectCoverageOfFalseIf()
    {
      const string COVER_TRUE_IF = @"
    Public Class A
        Public Shared Function B() As Boolean()
            If System.Environment.TickCount < 0 Then '4
                Return NCover.NCoverCheck.covered 'todo
            End If

            Return NCover.NCoverCheck.covered 'todo
        End Function
    End Class";

      string instrumentedCode;
      TestUtilities.AssertVbCompiles(new string[] { COVER_TRUE_IF }, "A");

      CoveragePoint[] points = new VbInstrumenter( 0, COVER_TRUE_IF, "").Do(out instrumentedCode, null);
      Assert.AreEqual(1, points.Length);

      bool[] results = (bool[]) TestUtilities.AssertVbCompiles(new string[] { instrumentedCode }, "A");
      Assert.AreEqual(0, results.Length);

      Assert.IsFalse(TestUtilities.WasHit(points, results, 4));
      //Assert.IsTrue(TestUtilities.WasHit(points, results, 5));
      //Assert.IsFalse(TestUtilities.WasHit(points, results, 8));
    }

    [Test]
    public void CorrectCoverageOfTrueSingleLineIf()
    {
      const string COVER_TRUE_IF = @"
    Public Class A
        Public Shared Function B() As Boolean()
            If System.Environment.TickCount > 0 Then Return NCover.NCoverCheck.covered 'todo line 4

            Return NCover.NCoverCheck.covered 'todo
        End Function
    End Class";

      string instrumentedCode;
      TestUtilities.AssertVbCompiles(new string[] { COVER_TRUE_IF }, "A");

      CoveragePoint[] points = new VbInstrumenter( 0, COVER_TRUE_IF, "").Do(out instrumentedCode, null);
      Assert.AreEqual(1, points.Length);

      bool[] results = (bool[]) TestUtilities.AssertVbCompiles(new string[] { instrumentedCode }, "A");
      Assert.AreEqual(1, results.Length);

      Assert.IsTrue(TestUtilities.WasHit(points, results, 4));
      //Assert.IsTrue(TestUtilities.WasHit(points, results, 5));
      //Assert.IsFalse(TestUtilities.WasHit(points, results, 8));
    }

    [Test]
    public void CorrectCoverageOfSingleLineFalseIf()
    {
      const string COVER_TRUE_IF = @"
    Public Class A
        Public Shared Function B() As Boolean()
            If System.Environment.TickCount < 0 Then Return NCover.NCoverCheck.covered 'todo

            Return NCover.NCoverCheck.covered 'todo
        End Function
    End Class";

      string instrumentedCode;
      TestUtilities.AssertVbCompiles(new string[] { COVER_TRUE_IF }, "A");

      CoveragePoint[] points = new VbInstrumenter( 0, COVER_TRUE_IF, "").Do(out instrumentedCode, null);
      Assert.AreEqual(1, points.Length);

      bool[] results = (bool[]) TestUtilities.AssertVbCompiles(new string[] { instrumentedCode }, "A");
      Assert.AreEqual(0, results.Length);

      Assert.IsFalse(TestUtilities.WasHit(points, results, 4));
      //Assert.IsTrue(TestUtilities.WasHit(points, results, 5));
      //Assert.IsFalse(TestUtilities.WasHit(points, results, 8));
    }

    [Test]
    public void CorrectCoverageOfTrueElseIf()
    {
      const string COVER_TRUE_IF = @"
    Public Class A
        Public Shared Function B() As Boolean()
            If System.Environment.TickCount < 0 Then '4
            ElseIf System.Environment.TickCount > 0 Then  '5
                Return NCover.NCoverCheck.covered 'todo
            End If

            Return NCover.NCoverCheck.covered 'todo
        End Function
    End Class";

      string instrumentedCode;
      TestUtilities.AssertVbCompiles(new string[] { COVER_TRUE_IF }, "A");

      CoveragePoint[] points = new VbInstrumenter( 0, COVER_TRUE_IF, "").Do(out instrumentedCode, null);
      Assert.AreEqual(2, points.Length);

      bool[] results = (bool[]) TestUtilities.AssertVbCompiles(new string[] { instrumentedCode }, "A");
      Assert.AreEqual(2, results.Length);

      Assert.IsTrue(TestUtilities.WasHit(points, results, 5));
      //Assert.IsTrue(TestUtilities.WasHit(points, results, 5));
      //Assert.IsFalse(TestUtilities.WasHit(points, results, 8));
    }

    [Test]
    public void DontInstumentPreProcessorStatements()
    {
      const string CODE = @"
#if DEBUG

#else

#endif
";
      string instrumentedCode;
      CoveragePoint[] points = new VbInstrumenter( 0, CODE, "").Do(out instrumentedCode, null);
      Assert.AreEqual(0, points.Length);
    }

  }
}
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