Mercurial > repos > IBBoard.Tests
changeset 11:37642712f632
* Tests for method for making percentage of one integer compared to another to ensure consistency
no-open-ticket
| author | IBBoard <dev@ibboard.co.uk> |
|---|---|
| date | Fri, 06 Nov 2009 19:57:44 +0000 |
| parents | 5507654d189d |
| children | 298786adcddc |
| files | CustomMath/IBBMathTests.cs |
| diffstat | 1 files changed, 40 insertions(+), 1 deletions(-) [+] |
line diff
1.1 --- a/CustomMath/IBBMathTests.cs Sat Oct 24 19:50:09 2009 +0000 1.2 +++ b/CustomMath/IBBMathTests.cs Fri Nov 06 19:57:44 2009 +0000 1.3 @@ -245,7 +245,46 @@ 1.4 Assert.AreEqual(3, IBBMath.FloorToHalf(3)); 1.5 } 1.6 1.7 + [Test()] 1.8 + public void TestPercentageCalculations() 1.9 + { 1.10 + Assert.AreEqual(50, IBBMath.Percentage(1,2)); 1.11 + Assert.AreEqual(50, IBBMath.Percentage(2,4)); 1.12 + Assert.AreEqual(25, IBBMath.Percentage(1,4)); 1.13 + Assert.AreEqual(10, IBBMath.Percentage(1,10)); 1.14 + Assert.AreEqual(1, IBBMath.Percentage(1,100)); 1.15 + Assert.AreEqual(0.1, IBBMath.Percentage(1,1000)); 1.16 + Assert.AreEqual(200, IBBMath.Percentage(2,1)); 1.17 + Assert.AreEqual(-50, IBBMath.Percentage(-1,2)); 1.18 + Assert.AreEqual(-50, IBBMath.Percentage(-2,4)); 1.19 + Assert.AreEqual(-50, IBBMath.Percentage(1,-2)); 1.20 + Assert.AreEqual(-50, IBBMath.Percentage(2,-4)); 1.21 + } 1.22 1.23 - 1.24 + [Test()] 1.25 + public void TestPercentageCalculationsForZero() 1.26 + { 1.27 + Assert.AreEqual(0, IBBMath.Percentage(0,2)); 1.28 + Assert.AreEqual(0, IBBMath.Percentage(0,4)); 1.29 + Assert.AreEqual(0, IBBMath.Percentage(0,10)); 1.30 + Assert.AreEqual(0, IBBMath.Percentage(0,-2)); 1.31 + Assert.AreEqual(0, IBBMath.Percentage(0,-4)); 1.32 + Assert.AreEqual(0, IBBMath.Percentage(0,-10)); 1.33 + } 1.34 + 1.35 + [Test()] 1.36 + public void TestPercentageCalculationsWithZeroAsDivisor() 1.37 + { 1.38 + Assert.AreEqual(double.PositiveInfinity, IBBMath.Percentage(1,0)); 1.39 + Assert.AreEqual(double.PositiveInfinity, IBBMath.Percentage(2,0)); 1.40 + Assert.AreEqual(double.NegativeInfinity, IBBMath.Percentage(-1,0)); 1.41 + Assert.AreEqual(double.NegativeInfinity, IBBMath.Percentage(-2,0)); 1.42 + } 1.43 + 1.44 + [Test()] 1.45 + public void TestPercentageCalculationsWithZeroAsNumberAndDivisor() 1.46 + { 1.47 + Assert.AreEqual(double.NaN, IBBMath.Percentage(0,0)); 1.48 + } 1.49 } 1.50 }