1 'use strict'; 2 const common = require('../common'); 3 common.skipIfInspectorDisabled(); 4 common.skipIf32Bits(); 5 const { NodeInstance } = require('../common/inspector-helper'); 6 const assert = require('assert'); 7 8 const script = `runTest(); 9 function runTest() { 10 const p = Promise.resolve(); 11 p.then(function break1() { // lineNumber 3 12 debugger; 13 }); 14 p.then(function break2() { // lineNumber 6 15 debugger; 16 }); 17 } 18 `; 19 20 async function runTests() { 21 const instance = new NodeInstance(undefined, script); 22 const session = await instance.connectInspectorSession(); 23 await session.send([ 24 { 'method': 'Runtime.enable' }, 25 { 'method': 'Debugger.enable' }, 26 { 'method': 'Debugger.setAsyncCallStackDepth', 27 'params': { 'maxDepth': 10 } }, 28 { 'method': 'Debugger.setBlackboxPatterns', 29 'params': { 'patterns': [] } }, 30 { 'method': 'Runtime.runIfWaitingForDebugger' }, 31 ]); 32 33 await session.waitForBreakOnLine(0, '[eval]'); 34 await session.send({ 'method': 'Debugger.resume' }); 35 36 console.error('[test] Waiting for break1'); 37 debuggerPausedAt(await session.waitForBreakOnLine(4, '[eval]'), 38 'break1', 'runTest:3'); 39 40 await session.send({ 'method': 'Debugger.resume' }); 41 42 console.error('[test] Waiting for break2'); 43 debuggerPausedAt(await session.waitForBreakOnLine(7, '[eval]'), 44 'break2', 'runTest:6'); 45 46 await session.runToCompletion(); 47 assert.strictEqual((await instance.expectShutdown()).exitCode, 0); 48 } 49 50 function debuggerPausedAt(msg, functionName, previousTickLocation) { 51 assert( 52 !!msg.params.asyncStackTrace, 53 `${Object.keys(msg.params)} contains "asyncStackTrace" property`); 54 55 assert.strictEqual(msg.params.callFrames[0].functionName, functionName); 56 assert.strictEqual(msg.params.asyncStackTrace.description, 'Promise.then'); 57 58 const frameLocations = msg.params.asyncStackTrace.callFrames.map( 59 (frame) => `${frame.functionName}:${frame.lineNumber}`); 60 assertArrayIncludes(frameLocations, previousTickLocation); 61 } 62 63 function assertArrayIncludes(actual, expected) { 64 const expectedString = JSON.stringify(expected); 65 const actualString = JSON.stringify(actual); 66 assert( 67 actual.includes(expected), 68 `Expected ${actualString} to contain ${expectedString}.`); 69 } 70 71 runTests().then(common.mustCall()); 72