76 lines
2 KiB
JavaScript
76 lines
2 KiB
JavaScript
const inspector = require('inspector');
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const path = require('path');
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const { pathToFileURL } = require('url');
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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 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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if (error) failures.push(error);
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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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session.on('Debugger.paused',
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(notification) => debuggerPausedCallback(session, notification));
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let cbAsSecondArgCalled = false;
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session.post('Debugger.enable', () => { cbAsSecondArgCalled = true; });
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session.post('Debugger.setBreakpointByUrl', {
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lineNumber: 9,
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url: pathToFileURL(path.resolve(__dirname, __filename)).toString(),
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columnNumber: 0,
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condition: ''
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});
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debuggedFunction();
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scopeCallback = null;
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session.disconnect();
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process.send({
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cmd: 'assert',
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debuggerEnabled: cbAsSecondArgCalled,
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success: (cur === 5) && (failures.length === 0)
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});
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}
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testSampleDebugSession();
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