v8/test/inspector/debugger/tdz-scopes.js

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// Copyright 2020 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: --no-stress-opt --no-always-opt
let {session, contextGroup, Protocol} =
InspectorTest.start('Test scopes with variables in TDZ.');
Protocol.Debugger.enable();
contextGroup.addScript(`
{
debugger;
(function() { debugger })();
let blockLet = 1;
const blockConst = 2;
let contextBlockLet = 3;
let contextBlockConst = 4;
_ => contextBlockConst + contextBlockLet;
debugger;
(function() { debugger })();
}
debugger;
(function() { debugger })();
let scriptLet = 1;
const scriptConst = 2;
debugger;
(function() { debugger })();
`);
(async function() {
for (let i =0; i < 8; i++) {
let message = await Protocol.Debugger.oncePaused();
let scopeChain = message.params.callFrames[0].scopeChain;
let evalScopeObjectIds = [];
InspectorTest.log("Debug break");
for (let scope of scopeChain) {
if (scope.type == "global") continue;
InspectorTest.log(` Scope type: ${scope.type}`);
let { result: { result: locals }} = await Protocol.Runtime.getProperties({ "objectId" : scope.object.objectId });
for (let local of locals) {
InspectorTest.log(` ${local.name} : ${local.value.value}`);
}
}
await Protocol.Debugger.resume();
}
InspectorTest.completeTest();
})();