import compound;

fn less(a, b) {
	return a < b;
}

fn greater(a, b) {
	return a > b;
}

var a = [7, 2, 1, 8, 6, 3, 5, 4];
var b = [7, 2, 1, 4, 6, 3, 5, 8];
var c = [1, 2, 3, 4, 5, 6, 7, 8];
var d = [7, 2, 1, 8, 6, 3, 5, 4];

a = a.sort(less);
b = b.sort(less);
c = c.sort(less);
d = d.sort(greater);

assert a == [1, 2, 3, 4, 5, 6, 7, 8], "array.sort(less) failed";
assert b == [1, 2, 3, 4, 5, 6, 7, 8], "array.sort(less) with pivot high failed";
assert c == [1, 2, 3, 4, 5, 6, 7, 8], "array.sort(less) pre-sorted array failed";
assert d == [8, 7, 6, 5, 4, 3, 2, 1], "array.sort(greater) failed";


print "All good";