static void Main(string[] args)
{
var sequence = new Sequence(new [] { '0', '1' });
var generator = new UniqueIdentifierGenerator(sequence);
for (var i = 0; i < 16; i++)
{
Console.WriteLine(generator.GetNext());
}
Console.ReadLine();
}
public void ShouldGenerateBinaryStringProperly()
{
var sequence = new Sequence(new [] { '0', '1' });
_systemUnderTest = new UniqueIdentifierGenerator(sequence, true);
// Jump to 8 in binary
for (var i = 0; i < 7; i++)
{
_systemUnderTest.GetNext();
}
_systemUnderTest.GetNext().Should().Be("1000");
// Jump to 1024 in binary
for (var i = 0; i < 1015; i++)
{
_systemUnderTest.GetNext();
}
_systemUnderTest.GetNext().Should().Be("10000000000");
}
public void ShouldWrapProperly()
{
_systemUnderTest = new UniqueIdentifierGenerator(Sequence.LowerCaseSequence(), "z");
_systemUnderTest.GetNext().Should().Be("aa");
_systemUnderTest = new UniqueIdentifierGenerator(Sequence.LowerCaseSequence(), "zz");
_systemUnderTest.GetNext().Should().Be("aaa");
_systemUnderTest = new UniqueIdentifierGenerator(Sequence.LowerCaseSequence(), "zzz");
_systemUnderTest.GetNext().Should().Be("aaaa");
// Etc...
}
public void ShouldIncrementProperly()
{
_systemUnderTest = new UniqueIdentifierGenerator(Sequence.LowerCaseSequence(), "a");
_systemUnderTest.GetNext().Should().Be("b");
_systemUnderTest.GetNext().Should().Be("c");
_systemUnderTest.GetNext().Should().Be("d");
_systemUnderTest.GetNext().Should().Be("e");
_systemUnderTest.GetNext().Should().Be("f");
_systemUnderTest.GetNext().Should().Be("g");
}
public void ShouldWorkWithCustomSequence()
{
var sequence = new Sequence(new [] { 'a', 'b' });
_systemUnderTest = new UniqueIdentifierGenerator(sequence, "a");
_systemUnderTest.GetNext().Should().Be("b");
_systemUnderTest.GetNext().Should().Be("aa");
_systemUnderTest.GetNext().Should().Be("ab");
_systemUnderTest.GetNext().Should().Be("ba");
_systemUnderTest.GetNext().Should().Be("bb");
_systemUnderTest.GetNext().Should().Be("aaa");
}