From df59ad61342677ea097714ca2dbce8c43c936698 Mon Sep 17 00:00:00 2001 From: Alexey Shvayka Date: Wed, 1 Apr 2020 08:47:23 +0300 Subject: [PATCH] Add AsyncIteratorClose tests --- ...rator-close-non-throw-get-method-abrupt.js | 53 +++++++++++++++++++ ...close-non-throw-get-method-non-callable.js | 52 ++++++++++++++++++ .../iterator-close-throw-get-method-abrupt.js | 51 ++++++++++++++++++ ...tor-close-throw-get-method-non-callable.js | 51 ++++++++++++++++++ 4 files changed, 207 insertions(+) create mode 100644 test/language/statements/for-await-of/iterator-close-non-throw-get-method-abrupt.js create mode 100644 test/language/statements/for-await-of/iterator-close-non-throw-get-method-non-callable.js create mode 100644 test/language/statements/for-await-of/iterator-close-throw-get-method-abrupt.js create mode 100644 test/language/statements/for-await-of/iterator-close-throw-get-method-non-callable.js diff --git a/test/language/statements/for-await-of/iterator-close-non-throw-get-method-abrupt.js b/test/language/statements/for-await-of/iterator-close-non-throw-get-method-abrupt.js new file mode 100644 index 0000000000..cfc2b776e9 --- /dev/null +++ b/test/language/statements/for-await-of/iterator-close-non-throw-get-method-abrupt.js @@ -0,0 +1,53 @@ +// Copyright (C) 2020 Alexey Shvayka. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +esid: sec-asynciteratorclose +description: > + If retrieving an iterator's `return` method generates an error while + closing the iterator with non-throw completion, the error should be + forwarded to the runtime. +info: | + AsyncIteratorClose ( iteratorRecord, completion ) + + [...] + 4. Let innerResult be GetMethod(iterator, "return"). + 5. If innerResult.[[Type]] is normal, + [...] + 6. If completion.[[Type]] is throw, return Completion(completion). + 7. If innerResult.[[Type]] is throw, return Completion(innerResult). + + GetMethod ( V, P ) + + [...] + 2. Let func be ? GetV(V, P). +features: [async-iteration] +flags: [async] +---*/ + +const innerError = { name: "inner error" }; +const asyncIterable = {}; +asyncIterable[Symbol.asyncIterator] = function() { + return { + next: function() { + return { done: false, value: null }; + }, + get return() { + throw innerError; + }, + }; +}; + +let iterationCount = 0; +const promise = (async function() { + for await (const x of asyncIterable) { + iterationCount += 1; + break; + } +})(); + +promise.then(function(value) { + throw new Test262Error("Promise should be rejected, got: " + value); +}, function(error) { + assert.sameValue(error, innerError); + assert.sameValue(iterationCount, 1, "The loop body is evaluated"); +}).then($DONE, $DONE); diff --git a/test/language/statements/for-await-of/iterator-close-non-throw-get-method-non-callable.js b/test/language/statements/for-await-of/iterator-close-non-throw-get-method-non-callable.js new file mode 100644 index 0000000000..df28a188a2 --- /dev/null +++ b/test/language/statements/for-await-of/iterator-close-non-throw-get-method-non-callable.js @@ -0,0 +1,52 @@ +// Copyright (C) 2020 Alexey Shvayka. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +esid: sec-asynciteratorclose +description: > + If retrieving an iterator's `return` method generates an error while + closing the iterator with non-throw completion, the error should be + forwarded to the runtime. +info: | + AsyncIteratorClose ( iteratorRecord, completion ) + + [...] + 4. Let innerResult be GetMethod(iterator, "return"). + 5. If innerResult.[[Type]] is normal, + [...] + 6. If completion.[[Type]] is throw, return Completion(completion). + 7. If innerResult.[[Type]] is throw, return Completion(innerResult). + + GetMethod ( V, P ) + + [...] + 2. Let func be ? GetV(V, P). + 3. If func is either undefined or null, return undefined. + 4. If IsCallable(func) is false, throw a TypeError exception. +features: [async-iteration] +flags: [async] +---*/ + +const asyncIterable = {}; +asyncIterable[Symbol.asyncIterator] = function() { + return { + next: function() { + return { done: false, value: null }; + }, + return: Symbol(), + }; +}; + +let iterationCount = 0; +const promise = (async function() { + for await (const x of asyncIterable) { + iterationCount += 1; + break; + } +})(); + +promise.then(function(value) { + throw new Test262Error("Promise should be rejected, got: " + value); +}, function(error) { + assert.sameValue(error.constructor, TypeError); + assert.sameValue(iterationCount, 1, "The loop body is evaluated"); +}).then($DONE, $DONE); diff --git a/test/language/statements/for-await-of/iterator-close-throw-get-method-abrupt.js b/test/language/statements/for-await-of/iterator-close-throw-get-method-abrupt.js new file mode 100644 index 0000000000..501f0069f1 --- /dev/null +++ b/test/language/statements/for-await-of/iterator-close-throw-get-method-abrupt.js @@ -0,0 +1,51 @@ +// Copyright (C) 2020 Alexey Shvayka. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +esid: sec-asynciteratorclose +description: > + If retrieving an iterator's `return` method generates an error while + closing the iterator with throw completion, this error should be suppressed. +info: | + AsyncIteratorClose ( iteratorRecord, completion ) + + [...] + 4. Let innerResult be GetMethod(iterator, "return"). + 5. If innerResult.[[Type]] is normal, + [...] + 6. If completion.[[Type]] is throw, return Completion(completion). + 7. If innerResult.[[Type]] is throw, return Completion(innerResult). + + GetMethod ( V, P ) + + [...] + 2. Let func be ? GetV(V, P). +features: [async-iteration] +flags: [async] +---*/ + +const asyncIterable = {}; +asyncIterable[Symbol.asyncIterator] = function() { + return { + next: function() { + return { done: false, value: null }; + }, + get return() { + throw { name: "inner error" }; + }, + }; +}; + +let iterationCount = 0; +const promise = (async function() { + for await (const x of asyncIterable) { + iterationCount += 1; + throw new Test262Error("should not be overriden"); + } +})(); + +promise.then(function(value) { + throw new Test262Error("Promise should be rejected, got: " + value); +}, function(error) { + assert.sameValue(error.constructor, Test262Error); + assert.sameValue(iterationCount, 1, "The loop body is evaluated"); +}).then($DONE, $DONE); diff --git a/test/language/statements/for-await-of/iterator-close-throw-get-method-non-callable.js b/test/language/statements/for-await-of/iterator-close-throw-get-method-non-callable.js new file mode 100644 index 0000000000..f3df3c4cef --- /dev/null +++ b/test/language/statements/for-await-of/iterator-close-throw-get-method-non-callable.js @@ -0,0 +1,51 @@ +// Copyright (C) 2020 Alexey Shvayka. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +esid: sec-asynciteratorclose +description: > + If retrieving an iterator's `return` method generates an error while + closing the iterator with throw completion, this error should be suppressed. +info: | + AsyncIteratorClose ( iteratorRecord, completion ) + + [...] + 4. Let innerResult be GetMethod(iterator, "return"). + 5. If innerResult.[[Type]] is normal, + [...] + 6. If completion.[[Type]] is throw, return Completion(completion). + 7. If innerResult.[[Type]] is throw, return Completion(innerResult). + + GetMethod ( V, P ) + + [...] + 2. Let func be ? GetV(V, P). + 3. If func is either undefined or null, return undefined. + 4. If IsCallable(func) is false, throw a TypeError exception. +features: [async-iteration] +flags: [async] +---*/ + +const asyncIterable = {}; +asyncIterable[Symbol.asyncIterator] = function() { + return { + next: function() { + return { done: false, value: null }; + }, + return: true, + }; +}; + +let iterationCount = 0; +const promise = (async function() { + for await (const x of asyncIterable) { + iterationCount += 1; + throw new Test262Error("should not be overriden"); + } +})(); + +promise.then(function(value) { + throw new Test262Error("Promise should be rejected, got: " + value); +}, function(error) { + assert.sameValue(error.constructor, Test262Error); + assert.sameValue(iterationCount, 1, "The loop body is evaluated"); +}).then($DONE, $DONE);