public void ApplyMappingsString_MatchWithinSubstring_DoesntDoubleReplace()
{
var mappings = new Dictionary <string, string>()
{
{ "abc", "a'b'c'" },
{ "bc", "b''c''" }
};
var converter = new OrthographyConverter(mappings);
string result = converter.ApplyMappings("abchelloworld");
Assert.That(result, Is.Not.EqualTo("a'b''c''helloworld")); // This would be obtained if you only advance it by 1 instead of by the length of the matched key.
Assert.That(result, Is.EqualTo("a'b'c'helloworld"));
}
public void ApplyMappingsString_MultipleMatches_LongerLengthTakesPrecendence()
{
var mappings = new Dictionary <string, string>()
{
{ "ab", "a''b''" },
{ "abc", "a'b'c'" },
{ "a", "a'''" }
};
var converter = new OrthographyConverter(mappings);
string result = converter.ApplyMappings("abchelloworld");
Assert.That(result, Is.Not.EqualTo("a'''bc'helloworld")); // This would be obtained if shortest mapping takes precedence.
Assert.That(result, Is.Not.EqualTo("a''b''chelloworld")); // This would be obtained if first mapping takes precedence.
Assert.That(result, Is.EqualTo("a'b'c'helloworld"));
}