// Copyright 2016 the V8 project authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. // // Flags: --harmony-class-fields let {session, contextGroup, Protocol} = InspectorTest.start("Check internal properties reported in object preview."); Protocol.Debugger.enable(); Protocol.Runtime.enable(); Protocol.Runtime.onConsoleAPICalled(dumpInternalPropertiesAndEntries); contextGroup.setupInjectedScriptEnvironment(); InspectorTest.runTestSuite([ function boxedObjects(next) { checkExpression("new Number(239)") .then(() => checkExpression("new Boolean(false)")) .then(() => checkExpression("new String(\"abc\")")) .then(() => checkExpression("Object(Symbol(42))")) .then(() => checkExpression("Object(BigInt(2))")) .then(next); }, function promise(next) { checkExpression("Promise.resolve(42)") .then(() => checkExpression("new Promise(() => undefined)")) .then(next); }, function generatorObject(next) { checkExpression("(function* foo() { yield 1 })()") .then(next); }, function entriesInMapAndSet(next) { checkExpression("new Map([[1,2]])") .then(() => checkExpression("new Set([1])")) .then(() => checkExpression("new WeakMap([[{}, 42]])")) .then(() => checkExpression("new WeakSet([{}])")) .then(next); }, function iteratorObject(next) { checkExpression("(new Map([[1,2]])).entries()") .then(() => checkExpression("(new Set([1,2])).entries()")) .then(next); }, function noPreviewForFunctionObject(next) { var expression = "(function foo(){})"; InspectorTest.log(expression); Protocol.Runtime.evaluate({ expression: expression, generatePreview: true}) .then(message => InspectorTest.logMessage(message)) .then(next); }, function otherObjects(next) { checkExpression("[1,2,3]") .then(() => checkExpression("/123/")) .then(() => checkExpression("({})")) .then(next); }, function overridenArrayGetter(next) { Protocol.Runtime.evaluate({ expression: "Array.prototype.__defineGetter__(\"0\",() => { throw new Error() }) "}) .then(() => checkExpression("Promise.resolve(42)")) .then(next); }, function privateNames(next) { checkExpression("new class { #foo = 1; #bar = 2; baz = 3;}") .then(() => checkExpression("new class extends class { #baz = 3; } { #foo = 1; #bar = 2; }")) .then(() => checkExpression("new class extends class { constructor() { return new Proxy({}, {}); } } { #foo = 1; #bar = 2; }")) .then(next); } ]); function checkExpression(expression) { InspectorTest.log(`expression: ${expression}`); // console.table has higher limits for internal properties amount in preview. return Protocol.Runtime.evaluate({ expression: `console.table(${expression})`, generatePreview: true }); } function dumpInternalPropertiesAndEntries(message) { var properties; var entries; try { var preview = message.params.args[0].preview; properties = preview.properties; entries = preview.entries; } catch (e) { InspectorTest.logMessage(message); return; } if (!properties) { InspectorTest.logMessage(message); return; } for (var property of properties) InspectorTest.logMessage(property); if (entries) { InspectorTest.log("[[Entries]]:"); InspectorTest.logMessage(entries); } InspectorTest.log(""); }