public void Sqrt_InputIs4_Return2()
{
SingleOp op = new SingleOp();
var result = op.Sqrt(4);
Assert.AreEqual(result, 2);
}
public void Fact_InputIs4_Return24()
{
SingleOp op = new SingleOp();
var result = op.Fact(4);
Assert.AreEqual(result, 24);
}
public void Abs_InputIsMinus4_Return4()
{
SingleOp op = new SingleOp();
var result = op.Abs(-4);
Assert.AreEqual(result, 4);
}
public void Decrement_InputIs4_Return3()
{
SingleOp op = new SingleOp();
var result = op.Decrement(4);
Assert.AreEqual(result, 3);
}
public void Increment_InputIs4_Return5()
{
SingleOp op = new SingleOp();
var result = op.Increment(4);
Assert.AreEqual(result, 5);
}
public void MessageOperatorsTest()
{
int lowercaseCharacterCount = DiscreteChar.Lower().GetProbs().Count(p => p > 0);
int uppercaseCharacterCount = DiscreteChar.Upper().GetProbs().Count(p => p > 0);
StringDistribution strDist1 = StringDistribution.OneOf("a", "b", "abc", "ab", "bcd", "d", string.Empty);
DiscreteChar charDist1 = SingleOp.CharacterAverageConditional(strDist1);
Assert.Equal(1.0 / 3.0, charDist1['a'], ProbEps);
Assert.Equal(1.0 / 3.0, charDist1['b'], ProbEps);
Assert.Equal(1.0 / 3.0, charDist1['d'], ProbEps);
StringDistribution strDist2 = StringDistribution.OneOf(strDist1, StringDistribution.OneOf("b", "d"));
DiscreteChar charDist2 = SingleOp.CharacterAverageConditional(strDist2);
Assert.Equal(1.0 / 10.0, charDist2['a'], ProbEps);
Assert.Equal(4.5 / 10.0, charDist2['b'], ProbEps);
Assert.Equal(4.5 / 10.0, charDist2['d'], ProbEps);
StringDistribution strDist3 = StringDistribution.Letters(minLength: 0);
DiscreteChar charDist3 = SingleOp.CharacterAverageConditional(strDist3);
Assert.Equal(1.0 / (lowercaseCharacterCount + uppercaseCharacterCount), charDist3['a'], ProbEps);
Assert.Equal(1.0 / (lowercaseCharacterCount + uppercaseCharacterCount), charDist3['B'], ProbEps);
Assert.Equal(1.0 / (lowercaseCharacterCount + uppercaseCharacterCount), charDist3['d'], ProbEps);
StringDistribution strDist4 = StringDistribution.OneOf(strDist3, StringDistribution.Lower(minLength: 0));
DiscreteChar charDist4 = SingleOp.CharacterAverageConditional(strDist4);
Assert.Equal(2.0 / (2 * lowercaseCharacterCount + uppercaseCharacterCount), charDist4['a'], ProbEps);
Assert.Equal(1.0 / (2 * lowercaseCharacterCount + uppercaseCharacterCount), charDist4['B'], ProbEps);
Assert.Equal(2.0 / (2 * lowercaseCharacterCount + uppercaseCharacterCount), charDist4['d'], ProbEps);
StringDistribution strDist5 = StringDistribution.String("XX").Append(strDist4);
Assert.Throws <AllZeroException>(() => SingleOp.CharacterAverageConditional(strDist5));
}
