1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 1.2 +++ b/js/src/jit-test/tests/collections/Set-iterator-remove-4.js Wed Dec 31 06:09:35 2014 +0100 1.3 @@ -0,0 +1,31 @@ 1.4 +// Multiple live iterators on the same Set can cope with removing entries. 1.5 + 1.6 +load(libdir + "iteration.js"); 1.7 + 1.8 +// Make a set. 1.9 +var set = Set(); 1.10 +var SIZE = 7; 1.11 +for (var j = 0; j < SIZE; j++) 1.12 + set.add(j); 1.13 + 1.14 +// Make lots of iterators pointing to entry 2 of the set. 1.15 +var NITERS = 5; 1.16 +var iters = []; 1.17 +for (var i = 0; i < NITERS; i++) { 1.18 + var iter = set[std_iterator](); 1.19 + assertIteratorNext(iter, 0); 1.20 + assertIteratorNext(iter, 1); 1.21 + iters[i] = iter; 1.22 +} 1.23 + 1.24 +// Remove half of the set entries. 1.25 +for (var j = 0; j < SIZE; j += 2) 1.26 + set.delete(j); 1.27 + 1.28 +// Make sure all the iterators still work. 1.29 +for (var i = 0; i < NITERS; i++) { 1.30 + var iter = iters[i]; 1.31 + for (var j = 3; j < SIZE; j += 2) 1.32 + assertIteratorNext(iter, j); 1.33 + assertIteratorDone(iter, undefined); 1.34 +}