public void ValAtWithDefaultOnExistingKeyReturnsValue()
{
MapEntry me = new MapEntry(1, "abc");
Expect(me.valAt(0,7), EqualTo(1));
Expect(me.valAt(1,7), EqualTo("abc"));
}
public void ValAtWithDefaultOnMissingKeyReturnsDefault()
{
MapEntry me = new MapEntry(1, "abc");
Expect(me.valAt(-4,7), EqualTo(7));
Expect(me.valAt(4, 7), EqualTo(7));
}
public void ValAtOnMissingKeyReturnsNull()
{
MapEntry me = new MapEntry(1, "abc");
Expect(me.valAt(-4), Null);
Expect(me.valAt(4), Null);
}