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Diffstat (limited to '')
-rw-r--r-- | js/src/tests/non262/Iterator/prototype/lazy-methods-throw-eagerly-on-next-non-callable.js | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/js/src/tests/non262/Iterator/prototype/lazy-methods-throw-eagerly-on-next-non-callable.js b/js/src/tests/non262/Iterator/prototype/lazy-methods-throw-eagerly-on-next-non-callable.js new file mode 100644 index 0000000000..22d9bbd48a --- /dev/null +++ b/js/src/tests/non262/Iterator/prototype/lazy-methods-throw-eagerly-on-next-non-callable.js @@ -0,0 +1,34 @@ +// |reftest| skip-if(!this.hasOwnProperty('Iterator')) + +// +// +/*--- +esid: pending +description: Lazy %Iterator.prototype% methods throw eagerly when `next` is non-callable. +info: > + Iterator Helpers proposal 1.1.1 +features: [iterator-helpers] +---*/ + +const methods = [ + next => Iterator.prototype.map.bind({next}, x => x), + next => Iterator.prototype.filter.bind({next}, x => x), + next => Iterator.prototype.take.bind({next}, 1), + next => Iterator.prototype.drop.bind({next}, 0), + next => Iterator.prototype.asIndexedPairs.bind({next}), + next => Iterator.prototype.flatMap.bind({next}, x => [x]), +]; + +for (const method of methods) { + assertThrowsInstanceOf(method(0), TypeError); + assertThrowsInstanceOf(method(false), TypeError); + assertThrowsInstanceOf(method(undefined), TypeError); + assertThrowsInstanceOf(method(null), TypeError); + assertThrowsInstanceOf(method(''), TypeError); + assertThrowsInstanceOf(method(Symbol('')), TypeError); + assertThrowsInstanceOf(method({}), TypeError); + assertThrowsInstanceOf(method([]), TypeError); +} + +if (typeof reportCompare == 'function') + reportCompare(0, 0); |