Strict mode Failing
Expected no error, got SyntaxError: async generators are unsupported
non-Strict mode Failing
Expected no error, got SyntaxError: async generators are unsupported
Features:
- async-iteration
Expected no error, got SyntaxError: async generators are unsupported
Expected no error, got SyntaxError: async generators are unsupported
// Copyright 2017 the V8 project authors. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- author: Caitlin Potter <caitp@igalia.com> esid: sec-asyncgenerator-prototype-return description: > Returned generator suspended in a yield position resumes execution within an associated finally. info: | AsyncGenerator.prototype.return ( value ) 1. Let generator be the this value. 2. Let completion be Completion{[[Type]]: return, [[Value]]: value, [[Target]]: empty}. 3. Return ! AsyncGeneratorEnqueue(generator, completion). AsyncGeneratorEnqueue ( generator, completion ) ... 8. If state is not "executing", then a. Perform ! AsyncGeneratorResumeNext(generator). ... AsyncGeneratorResumeNext: If completion.[[Type]] is return, and generator.[[AsyncGeneratorState]] is "suspendedYield", and generator is resumed within a try-block with an associated finally block, resume execution within finally. flags: [async] features: [async-iteration] ---*/ var g = async function*() { try { yield 1; throw new Test262Error('Generator must be resumed in finally block.'); } finally { yield 2; } }; var it = g(); it.next().then(function(ret) { assert.sameValue(ret.value, 1, 'Initial yield'); assert.sameValue(ret.done, false, 'Initial yield'); it.return('sent-value').then(function(ret) { assert.sameValue(ret.value, 2, 'Yield in finally block'); assert.sameValue(ret.done, false, 'Yield in finally block'); it.next().then(function(ret) { assert.sameValue(ret.value, 'sent-value', 'AsyncGeneratorResolve(generator, resultValue, true)'); assert.sameValue(ret.done, true, 'AsyncGeneratorResolve(generator, resultValue, true)'); it.next().then(function(ret) { assert.sameValue(ret.value, undefined, 'Generator is closed'); assert.sameValue(ret.done, true, 'Generator is closed'); }).then($DONE, $DONE); }).catch($DONE); }).catch($DONE); }).catch($DONE);