Set-delete-size.js (376B)
1 // set.delete(v) decrements set.size iff the set contained v. 2 3 var s = new Set(); 4 for (var i = 0; i < 10; i++) 5 s.add(i); 6 7 for (var i = 10; i > 0; i--) { 8 assertEq(s.size, i); 9 assertEq(s.delete(i), false); 10 assertEq(s.size, i); 11 assertEq(s.delete(i - 1), true); 12 assertEq(s.size, i - 1); 13 assertEq(s.delete(i - 1), false); 14 assertEq(s.size, i - 1); 15 }