v8/test/inspector/debugger/step-out-async-await.js

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// Copyright 2017 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.
// TODO(kozyatinskiy): on StepOut and probably StepNext at return position
// of async generator we should break at next instruction of resumed generator
// instead of next scheduled microtask.
let {session, contextGroup, Protocol} = InspectorTest.start('StepOut from return position of async function.');
contextGroup.addScript(`
async function testFunction() {
async function foo() {
var p = Promise.resolve();
await p;
p.then(() => 1);
debugger;
return p;
}
await foo();
}
`);
session.setupScriptMap();
Protocol.Debugger.enable();
InspectorTest.runAsyncTestSuite([
async function testStepInto() {
Protocol.Runtime.evaluate({expression: 'testFunction()'});
await logPauseLocation(await Protocol.Debugger.oncePaused());
Protocol.Debugger.stepInto();
await logPauseLocation(await Protocol.Debugger.oncePaused());
Protocol.Debugger.stepInto();
await logPauseLocation(await Protocol.Debugger.oncePaused());
Protocol.Debugger.stepInto();
await logPauseLocation(await Protocol.Debugger.oncePaused());
Protocol.Debugger.resume();
},
async function testStepOver() {
Protocol.Runtime.evaluate({expression: 'testFunction()'});
await logPauseLocation(await Protocol.Debugger.oncePaused());
Protocol.Debugger.stepInto();
await logPauseLocation(await Protocol.Debugger.oncePaused());
Protocol.Debugger.stepInto();
await logPauseLocation(await Protocol.Debugger.oncePaused());
Protocol.Debugger.stepOver();
await logPauseLocation(await Protocol.Debugger.oncePaused());
Protocol.Debugger.stepOver();
await logPauseLocation(await Protocol.Debugger.oncePaused());
Protocol.Debugger.stepOver();
await logPauseLocation(await Protocol.Debugger.oncePaused());
Protocol.Debugger.resume();
},
async function testStepOut() {
Protocol.Runtime.evaluate({expression: 'testFunction()'});
await logPauseLocation(await Protocol.Debugger.oncePaused());
Protocol.Debugger.stepInto();
await logPauseLocation(await Protocol.Debugger.oncePaused());
Protocol.Debugger.stepInto();
await logPauseLocation(await Protocol.Debugger.oncePaused());
Protocol.Debugger.stepOut();
await logPauseLocation(await Protocol.Debugger.oncePaused());
Protocol.Debugger.stepOut();
await logPauseLocation(await Protocol.Debugger.oncePaused());
Protocol.Debugger.resume();
},
]);
function logPauseLocation(message) {
return session.logSourceLocation(message.params.callFrames[0].location);
}