public void TestCompares(string x, string y, int expectedResult)
{
var comparer = new PrefixStringComparer();
var result = comparer.Compare(x, y);
result.Should().Be(expectedResult);
}
public void Throw_ArgumentException_If_Passed_Values_Is_Null(string x, string y)
{
var comparer = new PrefixStringComparer();
Action compareAction = () => comparer.Compare(x, y);
compareAction.Should().Throw <ArgumentException>().And.Message.Should().Be("Passed string could not be null");
}
public void Can_Get_Range_Value_By_Prefix_Comparer()
{
var stringComparer = StringComparer.Ordinal;
var prefixComparer = new PrefixStringComparer();
var suffixArray = new SuffixArray <string, int>();
int[] value;
suffixArray.TryAdd("_test", 1, stringComparer);
suffixArray.TryAdd("_est", 2, stringComparer);
suffixArray.TryAdd("test", 3, stringComparer);
suffixArray.TryAdd("zone", 4, stringComparer);
suffixArray.TryAdd("z", 5, stringComparer);
suffixArray.TryGetRangeValue("_", out value, prefixComparer).Should().BeTrue();
value.Should().BeEquivalentTo(1, 2);
suffixArray.TryGetRangeValue("z", out value, prefixComparer).Should().BeTrue();
value.Should().BeEquivalentTo(4, 5);
suffixArray.TryGetRangeValue("not_exists", out value, prefixComparer).Should().BeFalse();
}