public void CompareDependsOnSymbolCompare()
{
Symbol sym1 = Symbol.intern("abc");
Symbol sym2 = Symbol.intern("a", "abc");
Symbol sym3 = Symbol.intern("b", "abc");
Keyword k1 = Keyword.intern(sym1);
Keyword k2 = Keyword.intern(sym2);
Keyword k3 = Keyword.intern(sym3);
Expect(k1.CompareTo(k2), LessThan(0));
Expect(k2.CompareTo(k1), GreaterThan(0));
Expect(k1.CompareTo(k3), LessThan(0));
Expect(k3.CompareTo(k1), GreaterThan(0));
}
public void CompareToEqualKeywordIsZero()
{
Keyword k1 = Keyword.intern(Symbol.intern("abc"));
Keyword k2 = Keyword.intern(Symbol.intern("abc"));
Expect(k1.CompareTo(k2), EqualTo(0));
}
public void CompareToNonKeywordFails()
{
Symbol s1 = Symbol.intern("abc");
Keyword k1 = Keyword.intern(s1);
k1.CompareTo(s1);
}
/// <summary>Define ordering for templates</summary>
public int CompareTo(Template?rhs)
{
return(Keyword.CompareTo(rhs?.Keyword));
}