mirror of https://github.com/tc39/test262.git
Fix async iterator methods not passing absent values tests (#2571)
* Fix `next` method test * Fix `return` method test * Drop `throw` method test %AsyncFromSyncIteratorPrototype%.throw is always called with `value`.
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test/built-ins/AsyncFromSyncIteratorPrototype
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@ -29,10 +29,8 @@ var syncIterator = {
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},
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};
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var asyncIterator = (async function* () {
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yield* syncIterator;
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})();
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(async function () {
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for await (let _ of syncIterator);
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asyncIterator.next().then(function() {
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assert.sameValue(nextArgumentsLength, 0);
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}).then($DONE, $DONE);
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})().then($DONE, $DONE);
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@ -32,12 +32,10 @@ var syncIterator = {
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},
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};
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var asyncIterator = (async function* () {
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yield* syncIterator;
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})();
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(async function () {
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for await (let _ of syncIterator) {
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break;
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}
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asyncIterator.next().then(function() {
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return asyncIterator.return();
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}).then(function() {
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assert.sameValue(returnArgumentsLength, 0);
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}).then($DONE, $DONE);
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})().then($DONE, $DONE);
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@ -1,45 +0,0 @@
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// Copyright (C) 2020 Alexey Shvayka. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/*---
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esid: sec-%asyncfromsynciteratorprototype%.throw
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description: >
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`throw` method does not pass absent `value`.
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info: |
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%AsyncFromSyncIteratorPrototype%.throw ( value )
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[...]
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8. If value is present, then
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[...]
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9. Else,
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a. Let result be Call(throw, syncIterator).
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[...]
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flags: [async]
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features: [async-iteration]
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---*/
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var throwArgumentsLength;
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var syncIterator = {
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[Symbol.iterator]() {
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return this;
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},
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next() {
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return {done: false};
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},
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throw() {
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throwArgumentsLength = arguments.length;
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return {done: true};
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},
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};
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var asyncIterator = (async function* () {
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yield* syncIterator;
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})();
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asyncIterator.next().then(function() {
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return asyncIterator.throw();
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}).then(function(result) {
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throw new Test262Error("Promise should be rejected, got: " + result.value);
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}, function() {
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assert.sameValue(throwArgumentsLength, 0);
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}).then($DONE, $DONE);
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