public void ExtensionPattern_02()
{
PatternFactory.AddExtensionPattern(
"foo",
str =>
{
Assert.Equal("howdy-world:foo", str);
return(new ExtPattern(str));
});
var pattern = PatternFactory.Create("ext:foo:howdy-world:foo");
var next = pattern.Next();
Assert.Equal(next, new DateTime(2030, 11, 11, 11, 11, 11));
Assert.Equal("ext:foo:howdy-world:foo", pattern.Value);
}