diff options
Diffstat (limited to 'js/src/jit-test/tests/collections/Set-iterator-proxies-2.js')
| -rw-r--r-- | js/src/jit-test/tests/collections/Set-iterator-proxies-2.js | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/collections/Set-iterator-proxies-2.js b/js/src/jit-test/tests/collections/Set-iterator-proxies-2.js new file mode 100644 index 0000000000..75e4565148 --- /dev/null +++ b/js/src/jit-test/tests/collections/Set-iterator-proxies-2.js @@ -0,0 +1,20 @@ +// map.iterator() and iter.next() are non-generic but work on cross-compartment wrappers. + +load(libdir + "asserts.js"); +load(libdir + "iteration.js"); + +var g = newGlobal(); + +var iterator_fn = Set.prototype[Symbol.iterator]; +assertThrowsInstanceOf(function () { iterator_fn.call({}); }, TypeError); +assertThrowsInstanceOf(function () { iterator_fn.call(new Map()); }, TypeError); +var setw = g.eval("new Set(['x', 'y'])"); +assertIteratorNext(iterator_fn.call(setw), "x"); + +var next_fn = (new Set())[Symbol.iterator]().next; +assertThrowsInstanceOf(function () { next_fn.call({}); }, TypeError); +assertThrowsInstanceOf(function () { next_fn.call((new Map())[Symbol.iterator]()); }, TypeError); +var iterw = setw[Symbol.iterator](); +assertIteratorResult(next_fn.call(iterw), "x", false); +assertIteratorResult(next_fn.call(iterw), "y", false); +assertIteratorResult(next_fn.call(iterw), undefined, true); |