Function testBreakpoint

test/parallel/test-inspector.js:85–148

(session)

}

async function testBreakpoint(session) {
  console.log('[test]', 'Setting a breakpoint and verifying it is hit');
  const commands = [
    { 'method': 'Debugger.setBreakpointByUrl',
      'params': { 'lineNumber': 5,
                  'url': session.scriptURL(),
                  'columnNumber': 0,
                  'condition': '' } },
    { 'method': 'Debugger.resume' },
  ];
  await session.send(commands);
  const { scriptSource } = await session.send({
    'method': 'Debugger.getScriptSource',
    'params': { 'scriptId': session.mainScriptId },
  });
  assert(scriptSource && (scriptSource.includes(session.script())),
         `Script source is wrong: ${scriptSource}`);

  await session.waitForConsoleOutput('log', ['A message', 5]);
  const paused = await session.waitForBreakOnLine(5, session.scriptURL());
  const scopeId = paused.params.callFrames[0].scopeChain[0].object.objectId;

  console.log('[test]', 'Verify we can read current application state');
  const response = await session.send({
    'method': 'Runtime.getProperties',
    'params': {
      'objectId': scopeId,
      'ownProperties': false,
      'accessorPropertiesOnly': false,
      'generatePreview': true
    }
  });
  assertScopeValues(response, { t: 1001, k: 1 });

  let { result } = await session.send({
    'method': 'Debugger.evaluateOnCallFrame', 'params': {
      'callFrameId': session.pausedDetails().callFrames[0].callFrameId,
      'expression': 'k + t',
      'objectGroup': 'console',
      'includeCommandLineAPI': true,
      'silent': false,
      'returnByValue': false,
      'generatePreview': true
    }
  });
  const expectedEvaluation = 1002;
  assert.strictEqual(
    result.value,
    expectedEvaluation,
    `Expected evaluation to be ${expectedEvaluation}, got ${result.value}.`
  );

  result = (await session.send({
    'method': 'Runtime.evaluate', 'params': {
      'expression': '5 * 5'
    }
  })).result;
  const expectedResult = 25;