| (async function(testRunner) { |
| var {page, session, dp} = await testRunner.startBlank('Testing that the Node ID can be retrieved before the onload event is triggered'); |
| /* |
| 1. Create an iframe and point it to a page with a debugger statement. |
| 2. Wait until the debugger statement is hit and pause using the inspector protocol. |
| 3. Use the JS context to identify the 'window.document' object inside the iframe. |
| 4. Use the JS object to retrieve the DOM agent nodeId for the document node. |
| */ |
| dp.Page.onLoadEventFired(() => { |
| // We should finish the test before this event is triggered. |
| // If you see this in the output, then the slow-image is not loaded correctly in the iframe. |
| testRunner.log('FAIL: Iframe load event fired before the test finished.'); |
| testRunner.completeTest(); |
| }); |
| testRunner.log('step1_bootstrap'); |
| // Enable Page agent for the Page.loadEventFired event. |
| dp.Page.enable(); |
| // Make sure the debugger ready to break on the 'debugger' statement. |
| dp.Debugger.enable(); |
| await dp.DOM.getDocument(); |
| testRunner.log('Adding iframe'); |
| session.evaluate(` |
| var frame = document.createElement('iframe'); |
| frame.src = 'data:text/html,<script>debugger;</script>'; |
| document.body.appendChild(frame); |
| `); |
| var response = await dp.Debugger.oncePaused(); |
| testRunner.log('Paused on the debugger statement'); |
| response = await dp.Runtime.callFunctionOn({ |
| objectId: response.params.callFrames[0].this.objectId, |
| functionDeclaration: 'function() { return this.document; }' |
| }); |
| var objectId = response.result.result.objectId; |
| testRunner.log('step2_requestNode: Requesting DOM node for iframe\'s document node'); |
| response = await dp.DOM.requestNode({objectId: objectId}); |
| testRunner.log(response.result.nodeId ? 'PASS: Received node for iframe\'s document node' : 'FAIL: Iframe\'s document node is not available'); |
| await dp.Debugger.resume(); |
| testRunner.log('Test finished'); |
| testRunner.completeTest(); |
| }) |