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106 lines
3.0 KiB
106 lines
3.0 KiB
8 years ago
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'use strict';
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require('../common');
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const assert = require('assert');
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const inspector = require('inspector');
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const path = require('path');
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// This test case will set a breakpoint 4 lines below
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function debuggedFunction() {
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let i;
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let accum = 0;
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for (i = 0; i < 5; i++) {
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accum += i;
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}
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return accum;
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}
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let scopeCallback = null;
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function checkScope(session, scopeId) {
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session.post('Runtime.getProperties', {
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'objectId': scopeId,
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'ownProperties': false,
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'accessorPropertiesOnly': false,
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'generatePreview': true
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}, scopeCallback);
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}
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function debuggerPausedCallback(session, notification) {
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const params = notification['params'];
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const callFrame = params['callFrames'][0];
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const scopeId = callFrame['scopeChain'][0]['object']['objectId'];
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checkScope(session, scopeId);
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}
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function testNoCrashWithExceptionInCallback() {
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// There is a deliberate exception in the callback
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const session = new inspector.Session();
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session.connect();
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const error = new Error('We expect this');
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assert.throws(() => {
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session.post('Console.enable', () => { throw error; });
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}, (e) => e === error);
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session.disconnect();
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}
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function testSampleDebugSession() {
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let cur = 0;
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const failures = [];
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const expects = {
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i: [0, 1, 2, 3, 4],
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accum: [0, 0, 1, 3, 6]
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};
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scopeCallback = function(error, result) {
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const i = cur++;
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let v, actual, expected;
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for (v of result['result']) {
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actual = v['value']['value'];
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expected = expects[v['name']][i];
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if (actual !== expected) {
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failures.push('Iteration ' + i + ' variable: ' + v['name'] +
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' expected: ' + expected + ' actual: ' + actual);
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}
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}
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};
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const session = new inspector.Session();
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session.connect();
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let secondSessionOpened = false;
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const secondSession = new inspector.Session();
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try {
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secondSession.connect();
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secondSessionOpened = true;
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} catch (error) {
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// expected as the session already exists
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}
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assert.strictEqual(secondSessionOpened, false);
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session.on('Debugger.paused',
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(notification) => debuggerPausedCallback(session, notification));
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let cbAsSecondArgCalled = false;
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assert.throws(() => {
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session.post('Debugger.enable', function() {}, function() {});
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}, TypeError);
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session.post('Debugger.enable', () => cbAsSecondArgCalled = true);
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session.post('Debugger.setBreakpointByUrl', {
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'lineNumber': 11,
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'url': path.resolve(__dirname, __filename),
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'columnNumber': 0,
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'condition': ''
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});
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debuggedFunction();
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assert.deepStrictEqual(cbAsSecondArgCalled, true);
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assert.deepStrictEqual(failures, []);
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assert.strictEqual(cur, 5);
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scopeCallback = null;
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session.disconnect();
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assert.throws(() => session.post('Debugger.enable'), (e) => !!e);
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}
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testNoCrashWithExceptionInCallback();
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testSampleDebugSession();
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let breakpointHit = false;
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scopeCallback = () => (breakpointHit = true);
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debuggedFunction();
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assert.strictEqual(breakpointHit, false);
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testSampleDebugSession();
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