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4f72291521
PR-URL: https://github.com/nodejs/node/pull/39945 Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Jiawen Geng <technicalcute@gmail.com> Reviewed-By: Matteo Collina <matteo.collina@gmail.com> Reviewed-By: Michael Dawson <midawson@redhat.com>
69 lines
2.8 KiB
JavaScript
69 lines
2.8 KiB
JavaScript
// Copyright 2017 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Flags: --no-stress-flush-code
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let {session, contextGroup, Protocol} = InspectorTest.start('Checks internal [[Entries]] in Runtime.getProperties output');
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Protocol.Runtime.enable();
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InspectorTest.runTestSuite([
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function maps(next) {
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checkExpression('new Map([[1,2],[3,4]])')
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.then(() => checkExpression('new Map()'))
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.then(next);
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},
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function mapIterators(next) {
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checkExpression('new Map([[1,2],[3,4]]).entries()')
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.then(() => checkExpression('it = new Map([[1,2],[3,4]]).entries(); it.next(); it'))
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.then(() => checkExpression('it = new Map([[1,2],[3,4]]).keys(); it.next(); it'))
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.then(() => checkExpression('it = new Map([[1,2],[3,4]]).values(); it.next(); it'))
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.then(() => checkExpression('it = new Map([[1,2],[3,4]]).entries(); it.next(); it.next(); it'))
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.then(() => checkExpression('new Map([[1, undefined], [2, () => 42], [3, /abc/], [4, new Error()]]).entries()'))
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.then(next);
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},
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function sets(next) {
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checkExpression('new Set([1,2])')
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.then(() => checkExpression('new Set()'))
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.then(next);
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},
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function setIterators(next) {
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checkExpression('new Set([1,2]).values()')
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.then(() => checkExpression('it = new Set([1,2]).values(); it.next(); it'))
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.then(() => checkExpression('it = new Set([1,2]).keys(); it.next(); it'))
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.then(() => checkExpression('it = new Set([1,2]).entries(); it.next(); it'))
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.then(() => checkExpression('it = new Set([1,2]).values(); it.next(); it.next(); it'))
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.then(next);
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},
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function weakMaps(next) {
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checkExpression('new WeakMap()')
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.then(() => checkExpression('new WeakMap([[{ a: 2 }, 42]])'))
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.then(next);
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},
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function weakSets(next) {
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checkExpression('new WeakSet()')
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.then(() => checkExpression('new WeakSet([{a:2}])'))
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.then(next);
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}
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]);
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function checkExpression(expression)
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{
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InspectorTest.log(`expression: ${expression}`);
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var entriesObjectId;
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return Protocol.Runtime.evaluate({ expression: expression })
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.then(message => Protocol.Runtime.getProperties({ objectId: message.result.result.objectId }))
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.then(message => message.result.internalProperties.filter(p => p.name === '[[Entries]]')[0])
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.then(entries => entriesObjectId = entries.value.objectId)
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.then(() => Protocol.Runtime.callFunctionOn({ objectId: entriesObjectId, functionDeclaration: 'function f() { return this; }', returnByValue: true }))
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.then(message => InspectorTest.logMessage(message.result.result.value))
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.then(() => Protocol.Runtime.getProperties({ objectId: entriesObjectId, ownProperties: true }))
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.then(message => InspectorTest.logMessage(message));
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}
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