// 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. let {session, contextGroup, Protocol} = InspectorTest.start('Checks that async chains for promises are correct.'); contextGroup.addScript(` function foo1() { debugger; } function foo2() { debugger; } function promise() { var resolve; var p1 = new Promise(r => resolve = r); var p2 = p1.then(foo1); resolve(); return p2; } function promiseResolvedBySetTimeout() { var resolve; var p1 = new Promise(r => resolve = r); var p2 = p1.then(foo1); setTimeout(resolve, 0); return p2; } function promiseAll() { var resolve1; var resolve2; var p1 = new Promise(resolve => resolve1 = resolve); var p2 = new Promise(resolve => resolve2 = resolve); var p3 = Promise.all([ p1, p2 ]).then(foo1); resolve1(); resolve2(); return p3; } function promiseAllReverseOrder() { var resolve1; var resolve2; var p1 = new Promise(resolve => resolve1 = resolve); var p2 = new Promise(resolve => resolve2 = resolve); var p3 = Promise.all([ p1, p2 ]).then(foo1); resolve2(); resolve1(); return p3; } function promiseRace() { var resolve1; var resolve2; var p1 = new Promise(resolve => resolve1 = resolve); var p2 = new Promise(resolve => resolve2 = resolve); var p3 = Promise.race([ p1, p2 ]).then(foo1); resolve1(); resolve2(); return p3; } function twoChainedCallbacks() { var resolve1; var p1 = new Promise(resolve => resolve1 = resolve); var p2 = p1.then(foo1).then(foo2); resolve1(); return p2; } function promiseResolve() { return Promise.resolve().then(foo1).then(foo2); } function thenableJobResolvedInSetTimeout() { function thenableJob() { var resolve2; var p2 = new Promise(resolve => resolve2 = resolve); setTimeout(resolve2, 0); return p2; } var resolve1; var p1 = new Promise(resolve => resolve1 = resolve); var p3 = p1.then(() => thenableJob()).then(foo1); resolve1(); return p3; } function thenableJobResolvedInSetTimeoutWithStack() { function thenableJob() { function inner() { resolve2(); } var resolve2; var p2 = new Promise(resolve => resolve2 = resolve); setTimeout(inner, 0); return p2; } var resolve1; var p1 = new Promise(resolve => resolve1 = resolve); var p3 = p1.then(() => thenableJob()).then(foo1); resolve1(); return p3; } function thenableJobResolvedByPromise() { function thenableJob() { var resolve2; var p2 = new Promise(resolve => resolve2 = resolve); Promise.resolve().then(resolve2); return p2; } var resolve1; var p1 = new Promise(resolve => resolve1 = resolve); var p3 = p1.then(() => thenableJob()).then(foo1); resolve1(); return p3; } function thenableJobResolvedByPromiseWithStack() { function thenableJob() { function inner() { resolve2(); } var resolve2; var p2 = new Promise(resolve => resolve2 = resolve); Promise.resolve().then(inner); return p2; } var resolve1; var p1 = new Promise(resolve => resolve1 = resolve); var p3 = p1.then(() => thenableJob()).then(foo1); resolve1(); return p3; } function lateThenCallback() { var resolve1; var p1 = new Promise(resolve => resolve1 = resolve); resolve1(); return p1.then(foo1); } function complex() { var testResolve; var testPromise = new Promise(resolve => testResolve = resolve); function foo1() { function inner1() { debugger; } inner1(); } function foo2() { var resolve20; function inner2() { resolve20(); } var p20 = new Promise(resolve => resolve20 = resolve); Promise.resolve().then(inner2); return p20; } function foo3() { var resolve17; function inner3() { resolve17(); } var p17 = new Promise(resolve => resolve17 = resolve); setTimeout(inner3, 0); return p17; } function foo4() { function inner4() { return; } return inner4(); } function foo5() { return Promise.all([ Promise.resolve(), Promise.resolve() ]) .then(() => 42); } function foo6() { return Promise.race([ Promise.resolve(), Promise.resolve()]) .then(() => 42); } var p = Promise.resolve() .then(foo6) .then(foo5) .then(foo4) .then(foo3) .then(foo2) .then(foo1); setTimeout(() => { p.then(() => { p.then(() => { debugger; testResolve(); }) }) }, 0) return testPromise; } function reject() { return Promise.reject().catch(foo1); } function finally1() { return Promise.reject().finally(foo1); } function finally2() { return Promise.resolve().finally(foo1); } //# sourceURL=test.js`, 7, 26); session.setupScriptMap(); Protocol.Debugger.onPaused(message => { session.logCallFrames(message.params.callFrames); session.logAsyncStackTrace(message.params.asyncStackTrace); InspectorTest.log(''); Protocol.Debugger.resume(); }); Protocol.Debugger.enable(); Protocol.Debugger.setAsyncCallStackDepth({ maxDepth: 128 }); var testList = [ 'promise', 'promiseResolvedBySetTimeout', 'promiseAll', 'promiseAllReverseOrder', 'promiseRace', 'twoChainedCallbacks', 'promiseResolve', 'thenableJobResolvedInSetTimeout', 'thenableJobResolvedInSetTimeoutWithStack', 'thenableJobResolvedByPromise', 'thenableJobResolvedByPromiseWithStack', 'lateThenCallback', 'complex', 'reject', 'finally1', 'finally2' ] InspectorTest.runTestSuite(testList.map(name => { return eval(` (function test${capitalize(name)}(next) { Protocol.Runtime.evaluate({ expression: \`${name}() //# sourceURL=test${capitalize(name)}.js\`, awaitPromise: true}) .then(next); }) `); })); function capitalize(string) { return string.charAt(0).toUpperCase() + string.slice(1); }