diff options
Diffstat (limited to 'js/src/tests/non262/Iterator/prototype/map/clobber-symbol.js')
-rw-r--r-- | js/src/tests/non262/Iterator/prototype/map/clobber-symbol.js | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/js/src/tests/non262/Iterator/prototype/map/clobber-symbol.js b/js/src/tests/non262/Iterator/prototype/map/clobber-symbol.js new file mode 100644 index 0000000000..8d5b2721e1 --- /dev/null +++ b/js/src/tests/non262/Iterator/prototype/map/clobber-symbol.js @@ -0,0 +1,22 @@ +// |reftest| skip-if(!this.hasOwnProperty('Iterator')) -- Iterator is not enabled unconditionally +// +// + +/*--- +esid: pending +description: %Iterator.prototype%.map works even if the global Symbol has been clobbered.. +info: +features: [iterator-helpers, Symbol, Symbol.iterator] +---*/ + +Symbol = undefined; +assertThrowsInstanceOf(() => Symbol.iterator, TypeError); + +const iterator = [0].values(); +assertEq( + iterator.map(x => x + 1).next().value, 1, + '`%Iterator.prototype%.map` still works after Symbol has been clobbered' +); + +if (typeof reportCompare == 'function') + reportCompare(0, 0); |