| <!DOCTYPE html> |
| <html> |
| <head> |
| <script src="../../http/tests/inspector/resources/protocol-test.js"></script> |
| <script> |
| function test() |
| { |
| let suite = ProtocolTest.createAsyncSuite("DOM.willDestroyDOMNode"); |
| |
| suite.addTestCase({ |
| name: "DOM.willDestroyDOMNode.CreateDeleteAndGCDetachedNode", |
| description: "Create a new DOM node that is not attached the DOM tree, and then allow it to be garbage collected.", |
| async test() { |
| ProtocolTest.log("Creating new detached DOM node."); |
| let domNodeResponse = await InspectorProtocol.awaitCommand({ method: "Runtime.evaluate", params: { expression: `document.createElement("a")` } }); |
| let objectId = domNodeResponse.result.objectId; |
| ProtocolTest.assert(!domNodeResponse.wasThrown); |
| |
| ProtocolTest.log("Requesting DOM node in order to receive future events."); |
| // FIXME: <https://webkit.org/b/213499> Web Inspector: allow DOM nodes to be instrumented at any point, regardless of whether the main document has also been instrumented |
| await InspectorProtocol.awaitCommand({ method: "DOM.getDocument"}); |
| let node = await InspectorProtocol.awaitCommand({ method: "DOM.requestNode", params: { objectId } }); |
| |
| // ProtocolTest.log("Releasing reference to node held by remote object.") |
| // await InspectorProtocol.awaitCommand({ method: "Console.clearMessages" }); |
| |
| ProtocolTest.log("Releasing node and then triggering garbage collection while awaiting `DOM.willDestroyDOMNode` event."); |
| let deleteNodePromise = InspectorProtocol.awaitCommand({ method: "Runtime.releaseObject", params: { objectId } }); |
| let gcPromise = ProtocolTest.evaluateInPage(`GCController.collect()`); |
| |
| await Promise.all([ |
| InspectorProtocol.awaitEvent({event:"DOM.willDestroyDOMNode"}), |
| deleteNodePromise.then((resolve) => gcPromise), |
| ]); |
| |
| ProtocolTest.log("Received event `DOM.willDestoryDOMNode` after garbage collection."); |
| }, |
| }); |
| |
| suite.runTestCasesAndFinish(); |
| } |
| </script> |
| </head> |
| <body onload="runTest();"> |
| <p>Test for DOM.willDestroyDOMNode.</p> |
| </body> |
| </html> |
