public void TestDistance()
{
var instance = new WeightedLevenshtein(new ExampleCharSub());
Assert.Equal(0.0, instance.Distance("String1", "String1"), 1);
Assert.Equal(0.5, instance.Distance("String1", "Srring1"), 1);
Assert.Equal(1.5, instance.Distance("String1", "Srring2"), 1);
NullEmptyTests.TestDistance(instance);
}
public void TestDistanceCharacterInsDelInterface()
{
var instance = new WeightedLevenshtein(new ExampleCharSub(), new ExampleInsDel());
// Same as testDistance above.
Assert.Equal(0.0, instance.Distance("String1", "String1"), 1);
Assert.Equal(0.5, instance.Distance("String1", "Srring1"), 1);
Assert.Equal(1.5, instance.Distance("String1", "Srring2"), 1);
// Cost of insert of 'i' is less than normal, so these scores are
// different than testDistance above. Note that the cost of delete
// has been set differently than the cost of insert, so the distance
// call is not symmetric in its arguments if an 'i' has changed.
Assert.Equal(0.5, instance.Distance("Strng", "String"), 1);
Assert.Equal(0.8, instance.Distance("String", "Strng"), 1);
Assert.Equal(1.0, instance.Distance("Strig", "String"), 1);
Assert.Equal(1.0, instance.Distance("String", "Strig"), 1);
// Same as above with limits.
Assert.Equal(0.0, instance.Distance("String1", "String1", double.MaxValue), 1);
Assert.Equal(0.0, instance.Distance("String1", "String1", 2.0), 1);
Assert.Equal(1.5, instance.Distance("String1", "Srring2", double.MaxValue), 1);
Assert.Equal(1.5, instance.Distance("String1", "Srring2", 2.0), 1);
Assert.Equal(1.5, instance.Distance("String1", "Srring2", 1.5), 1);
Assert.Equal(1.0, instance.Distance("String1", "Srring2", 1.0), 1);
Assert.Equal(4.0, instance.Distance("String1", "Potato", 4.0), 1);
NullEmptyTests.TestDistance(instance);
}
public void TestDistance()
{
var instance = new WeightedLevenshtein(new ExampleCharSub());
Assert.Equal(0.0, instance.Distance("String1", "String1"), 1);
Assert.Equal(0.5, instance.Distance("String1", "Srring1"), 1);
Assert.Equal(1.5, instance.Distance("String1", "Srring2"), 1);
// One insert or delete.
Assert.Equal(1.0, instance.Distance("Strng", "String"), 1);
Assert.Equal(1.0, instance.Distance("String", "Strng"), 1);
// With limits.
Assert.Equal(0.0, instance.Distance("String1", "String1", double.MaxValue), 1);
Assert.Equal(0.0, instance.Distance("String1", "String1", 2.0), 1);
Assert.Equal(1.5, instance.Distance("String1", "Srring2", double.MaxValue), 1);
Assert.Equal(1.5, instance.Distance("String1", "Srring2", 2.0), 1);
Assert.Equal(1.5, instance.Distance("String1", "Srring2", 1.5), 1);
Assert.Equal(1.0, instance.Distance("String1", "Srring2", 1.0), 1);
Assert.Equal(4.0, instance.Distance("String1", "Potato", 4.0), 1);
NullEmptyTests.TestDistance(instance);
}