public void toArrayTest(IEnumerable <Command> commands)
{
ReferenceSet <Key> set = null;
Key[] domain = makeKeys(getDomainSize(commands));
foreach (Command cmd in commands)
{
runCommand(ref set, domain, cmd);
Key[] array = set.toArray();
bool[] keyMap = makeKeyMap(domain.Length, cmd.keysInSet);
Assert.Equal((cmd.keysInSet == null) ? 0 : cmd.keysInSet.Count(), array.Length);
for (int i = 0; i < domain.Length; i++)
{
Assert.Equal(keyMap[i], array.Any(x => x == domain[i]));
}
}
}