public void Transpose()
{
StringTransducer transducer = StringTransducer.Consume(StringAutomaton.Constant(3.0));
StringTransducer transpose1 = StringTransducer.Transpose(transducer);
StringTransducer transpose2 = transducer.Clone();
transpose2.TransposeInPlace();
var pairs = new[]
{
new[] { "a", string.Empty },
new[] { string.Empty, string.Empty },
new[] { "a", "bc" },
new[] { "a", "a" }
};
foreach (string[] valuePair in pairs)
{
double referenceValue1 = transducer.GetValue(valuePair[0], valuePair[1]);
Assert.Equal(referenceValue1, transpose1.GetValue(valuePair[1], valuePair[0]));
Assert.Equal(referenceValue1, transpose2.GetValue(valuePair[1], valuePair[0]));
double referenceValue2 = transducer.GetValue(valuePair[1], valuePair[0]);
Assert.Equal(referenceValue2, transpose1.GetValue(valuePair[0], valuePair[1]));
Assert.Equal(referenceValue2, transpose2.GetValue(valuePair[0], valuePair[1]));
}
}
/// <summary>
/// Tests if a transducer has the desired value on a given pair of strings.
/// </summary>
/// <param name="transducer">The transducer.</param>
/// <param name="string1">The first string.</param>
/// <param name="string2">The second string.</param>
/// <param name="trueValue">The desired value of the transducer on the strings.</param>
public static void TestTransducerValue(
StringTransducer transducer, string string1, string string2, double trueValue)
{
// Test ProjectSource(sequence)
var result = transducer.ProjectSource(string1);
TestValue(result, trueValue, string2);
// Test ProjectSource(func)
TestTransducerProjection(transducer, StringAutomaton.ConstantOn(1.0, string1), string2, trueValue);
// Test GetValue()
double value = transducer.GetValue(string1, string2);
Assert.Equal(trueValue, value, LogValueEps);
}
