diff options
Diffstat (limited to 'js/src/tests/non262/AsyncIterator/prototype/flatMap')
9 files changed, 381 insertions, 0 deletions
diff --git a/js/src/tests/non262/AsyncIterator/prototype/flatMap/close-iterator-when-inner-complete-throws.js b/js/src/tests/non262/AsyncIterator/prototype/flatMap/close-iterator-when-inner-complete-throws.js new file mode 100644 index 0000000000..bca8f7c316 --- /dev/null +++ b/js/src/tests/non262/AsyncIterator/prototype/flatMap/close-iterator-when-inner-complete-throws.js @@ -0,0 +1,55 @@ +// |reftest| skip-if(!this.hasOwnProperty('AsyncIterator')) + +// +// +/*--- +esid: pending +description: %AsyncIterator.prototype%.flatMap closes the iterator when innerComplete throws. +info: > + Iterator Helpers proposal 2.1.6.7 + 1. Repeat, + ... + k. Repeat, while innerAlive is true, + ... + v. Let innerComplete be IteratorComplete(innerNext). + vi. IfAbruptCloseAsyncIterator(innerComplete, iterated). +features: [iterator-helpers] +---*/ + +class TestIterator extends AsyncIterator { + async next() { + return {done: false, value: 0}; + } + + closed = false; + async return() { + this.closed = true; + return {done: true}; + } +} + +class TestError extends Error {} +class InnerIterator extends AsyncIterator { + async next() { + return { + get done() { + throw new TestError(); + } + }; + } +} + +const iter = new TestIterator(); +const mapped = iter.flatMap(x => new InnerIterator()); + +assertEq(iter.closed, false); +mapped.next().then( + _ => assertEq(true, false, 'Expected reject.'), + err => { + assertEq(err instanceof TestError, true); + assertEq(iter.closed, true); + } +); + +if (typeof reportCompare == 'function') + reportCompare(0, 0); diff --git a/js/src/tests/non262/AsyncIterator/prototype/flatMap/close-iterator-when-inner-next-throws.js b/js/src/tests/non262/AsyncIterator/prototype/flatMap/close-iterator-when-inner-next-throws.js new file mode 100644 index 0000000000..d92732e9fd --- /dev/null +++ b/js/src/tests/non262/AsyncIterator/prototype/flatMap/close-iterator-when-inner-next-throws.js @@ -0,0 +1,50 @@ +// |reftest| skip-if(!this.hasOwnProperty('AsyncIterator')) + +// +// +/*--- +esid: pending +description: %AsyncIterator.prototype%.flatMap closes the iterator when IteratorNext throws. +info: > + Iterator Helpers proposal 2.1.6.7 + 1. Repeat, + ... + k. Repeat, while innerAlive is true, + i. Let innerNextPromise be IteratorNext(innerIterator). + ii. IfAbruptCloseAsyncIterator(innerNextPromise, iterated). +features: [iterator-helpers] +---*/ + +class TestIterator extends AsyncIterator { + async next() { + return {done: false, value: 0}; + } + + closed = false; + async return(value) { + this.closed = true; + return {done: true, value}; + } +} + +class TestError extends Error {} +class InnerIterator extends AsyncIterator { + async next() { + throw new TestError(); + } +} + +const iter = new TestIterator(); +const mapped = iter.flatMap(x => new InnerIterator()); + +assertEq(iter.closed, false); +mapped.next().then( + _ => assertEq(true, false, 'Expected reject.'), + err => { + assertEq(err instanceof TestError, true); + assertEq(iter.closed, true); + } +); + +if (typeof reportCompare == 'function') + reportCompare(0, 0); diff --git a/js/src/tests/non262/AsyncIterator/prototype/flatMap/close-iterator-when-inner-value-throws.js b/js/src/tests/non262/AsyncIterator/prototype/flatMap/close-iterator-when-inner-value-throws.js new file mode 100644 index 0000000000..97a82ec0bb --- /dev/null +++ b/js/src/tests/non262/AsyncIterator/prototype/flatMap/close-iterator-when-inner-value-throws.js @@ -0,0 +1,57 @@ +// |reftest| skip-if(!this.hasOwnProperty('AsyncIterator')) + +// +// +/*--- +esid: pending +description: %AsyncIterator.prototype%.flatMap closes the iterator when innerValue throws. +info: > + Iterator Helpers proposal 2.1.6.7 + 1. Repeat, + ... + k. Repeat, while innerAlive is true, + ... + viii. Else, + 1. Let innerValue be IteratorValue(innerNext). + 2. IfAbruptCloseAsyncIterator(innerValue, iterated). +features: [iterator-helpers] +---*/ + +class TestIterator extends AsyncIterator { + async next() { + return {done: false, value: 0}; + } + + closed = false; + async return() { + this.closed = true; + return {done: true}; + } +} + +class TestError extends Error {} +class InnerIterator extends AsyncIterator { + async next() { + return { + done: false, + get value() { + throw new TestError(); + }, + }; + } +} + +const iter = new TestIterator(); +const mapped = iter.flatMap(x => new InnerIterator()); + +assertEq(iter.closed, false); +mapped.next().then( + _ => assertEq(true, false, 'Expected reject.'), + err => { + assertEq(err instanceof TestError, true); + assertEq(iter.closed, true); + } +); + +if (typeof reportCompare == 'function') + reportCompare(0, 0); diff --git a/js/src/tests/non262/AsyncIterator/prototype/flatMap/flatMap.js b/js/src/tests/non262/AsyncIterator/prototype/flatMap/flatMap.js new file mode 100644 index 0000000000..dbd17cb33b --- /dev/null +++ b/js/src/tests/non262/AsyncIterator/prototype/flatMap/flatMap.js @@ -0,0 +1,28 @@ +// |reftest| skip-if(!this.hasOwnProperty('AsyncIterator')) + +async function* gen() { + yield 1; + yield 2; + yield 3; +} + +async function* inner(x) { + yield x; + yield x + 1; +} + +let iter = gen().flatMap(x => inner(x)); + +for (const v of [1, 2, 2, 3, 3, 4]) { + iter.next().then( + ({done, value}) => { + assertEq(done, false); + assertEq(value, v); + } + ); +} + +iter.next().then(({done}) => assertEq(done, true)); + +if (typeof reportCompare === 'function') + reportCompare(0, 0); diff --git a/js/src/tests/non262/AsyncIterator/prototype/flatMap/inner-empty-iterable.js b/js/src/tests/non262/AsyncIterator/prototype/flatMap/inner-empty-iterable.js new file mode 100644 index 0000000000..3da588f444 --- /dev/null +++ b/js/src/tests/non262/AsyncIterator/prototype/flatMap/inner-empty-iterable.js @@ -0,0 +1,44 @@ +// |reftest| skip-if(!this.hasOwnProperty('AsyncIterator')) + +// +// +/*--- +esid: pending +description: %AsyncIterator.prototype%.flatMap skips empty inner iterables. +info: > + Iterator Helpers proposal 2.1.6.7 + 1. Repeat, + ... + k. Repeat, while innerAlive is true, + ... + v. Let innerComplete be IteratorComplete(innerNext). + ... + vii. If innerComplete is true, set innerAlive to false. +features: [iterator-helpers] +---*/ + +async function* gen(values) { + yield* values; +} + +(async () => { + let iter = gen([0, 1, 2, 3]).flatMap(x => x % 2 ? gen([]) : gen([x])); + + for (const expected of [0, 2]) { + const result = await iter.next(); + assertEq(result.value, expected); + assertEq(result.done, false); + } + + let result = await iter.next(); + assertEq(result.value, undefined); + assertEq(result.done, true); + + iter = gen([0, 1, 2, 3]).flatMap(x => gen([])); + result = await iter.next(); + assertEq(result.value, undefined); + assertEq(result.done, true); +})(); + +if (typeof reportCompare == 'function') + reportCompare(0, 0); diff --git a/js/src/tests/non262/AsyncIterator/prototype/flatMap/inner-generator.js b/js/src/tests/non262/AsyncIterator/prototype/flatMap/inner-generator.js new file mode 100644 index 0000000000..08c0dfbba7 --- /dev/null +++ b/js/src/tests/non262/AsyncIterator/prototype/flatMap/inner-generator.js @@ -0,0 +1,36 @@ +// |reftest| skip-if(!this.hasOwnProperty('AsyncIterator')) + +// +// +/*--- +esid: pending +description: %AsyncIterator.prototype%.flatMap innerIterator can be a generator. +info: > + Iterator Helpers proposal 2.1.6.7 +features: [iterator-helpers] +---*/ + +async function* gen() { + yield 1; + yield 2; +} + +(async () => { + const iter = gen().flatMap(async function*(x) { + yield x; + yield* [x + 1, x + 2]; + }); + + for (const expected of [1, 2, 3, 2, 3, 4]) { + const result = await iter.next(); + assertEq(result.value, expected); + assertEq(result.done, false); + } + + const result = await iter.next(); + assertEq(result.value, undefined); + assertEq(result.done, true); +})(); + +if (typeof reportCompare == 'function') + reportCompare(0, 0); diff --git a/js/src/tests/non262/AsyncIterator/prototype/flatMap/length.js b/js/src/tests/non262/AsyncIterator/prototype/flatMap/length.js new file mode 100644 index 0000000000..4e6862cd41 --- /dev/null +++ b/js/src/tests/non262/AsyncIterator/prototype/flatMap/length.js @@ -0,0 +1,21 @@ +// |reftest| skip-if(!this.hasOwnProperty('AsyncIterator')) +// + +/*--- +esid: pending +description: %AsyncIterator.prototype%.flatMap length value and descriptor. +info: > + 17 ECMAScript Standard Built-in Objects +features: [iterator-helpers] +---*/ + +assertEq(AsyncIterator.prototype.flatMap.length, 1); + +const propertyDescriptor = Reflect.getOwnPropertyDescriptor(AsyncIterator.prototype.flatMap, 'length'); +assertEq(propertyDescriptor.value, 1); +assertEq(propertyDescriptor.enumerable, false); +assertEq(propertyDescriptor.writable, false); +assertEq(propertyDescriptor.configurable, true); + +if (typeof reportCompare == 'function') + reportCompare(0, 0); diff --git a/js/src/tests/non262/AsyncIterator/prototype/flatMap/name.js b/js/src/tests/non262/AsyncIterator/prototype/flatMap/name.js new file mode 100644 index 0000000000..2aeebe0f85 --- /dev/null +++ b/js/src/tests/non262/AsyncIterator/prototype/flatMap/name.js @@ -0,0 +1,19 @@ +// |reftest| skip-if(!this.hasOwnProperty('AsyncIterator')) +/*--- +esid: pending +description: %AsyncIterator.prototype%.flatMap.name value and descriptor. +info: > + 17 ECMAScript Standard Built-in Objects +features: [iterator-helpers] +---*/ + +assertEq(AsyncIterator.prototype.flatMap.name, 'flatMap'); + +const propertyDescriptor = Reflect.getOwnPropertyDescriptor(AsyncIterator.prototype.flatMap, 'name'); +assertEq(propertyDescriptor.value, 'flatMap'); +assertEq(propertyDescriptor.enumerable, false); +assertEq(propertyDescriptor.writable, false); +assertEq(propertyDescriptor.configurable, true); + +if (typeof reportCompare == 'function') + reportCompare(0, 0); diff --git a/js/src/tests/non262/AsyncIterator/prototype/flatMap/throw-when-inner-not-iterable.js b/js/src/tests/non262/AsyncIterator/prototype/flatMap/throw-when-inner-not-iterable.js new file mode 100644 index 0000000000..e854a8c8ae --- /dev/null +++ b/js/src/tests/non262/AsyncIterator/prototype/flatMap/throw-when-inner-not-iterable.js @@ -0,0 +1,71 @@ +// |reftest| skip-if(!this.hasOwnProperty('AsyncIterator')) + +// +// +/*--- +esid: pending +description: %AsyncIterator.prototype%.flatMap closes the iterator and throws when mapped isn't iterable. +info: > + Iterator Helpers proposal 2.1.6.7 + 1. Repeat, + ... + h. Let innerIterator be GetIterator(mapped, async). + i. IfAbruptCloseAsyncIterator(innerIterator, iterated). +features: [iterator-helpers] +---*/ + +class NotIterable { + async next() { + return {done: true}; + } +} + +class InvalidIterable { + [Symbol.asyncIterator]() { + return {}; + } +} + +class TestIterator extends AsyncIterator { + async next() { + return {done: false, value: 0}; + } + + closed = false; + async return(value) { + this.closed = true; + return {done: true, value}; + } +} + +const nonIterables = [ + new NotIterable(), + new InvalidIterable(), + undefined, + null, + 0, + false, + Symbol(''), + 0n, + {}, +]; + +(async () => { + for (const value of nonIterables) { + const iter = new TestIterator(); + const mapped = iter.flatMap(x => value); + + assertEq(iter.closed, false); + console.log("here!"); + try { + await mapped.next(); + assertEq(true, false, 'Expected reject'); + } catch (exc) { + assertEq(exc instanceof TypeError, true); + } + assertEq(iter.closed, true); + } +})(); + +if (typeof reportCompare == 'function') + reportCompare(0, 0); |