<!DOCTYPE html>
<html>
<head>
<script src="../../http/tests/inspector/resources/inspector-test.js"></script>
<script>
let testWorker = null;

function createWorker() {
    testWorker = new Worker("resources/worker-echo.js");
    testWorker.addEventListener("message", (event) => {
        let {echo, data} = event.data;
        console.assert(echo, data);
        TestPage.dispatchEventToFrontend(data);
    });
    testWorker.postMessage("WorkerCreated");
}

function terminateWorker() {
    testWorker.postMessage("WorkerTerminated");
    testWorker.terminate();
    testWorker = null;
}

function test()
{
    InspectorTest.addEventListener("WorkerTerminated", (event) => {
        InspectorTest.fail("Should not dispatch any events after a Worker is terminated.");
    });

    Promise.resolve()
    .then(() => {
        InspectorTest.log("Creating worker...");
        return Promise.all([
            InspectorTest.awaitEvent("WorkerCreated"),
            InspectorTest.evaluateInPage(`createWorker()`),
        ]);
    })
    .then(() => {
        InspectorTest.log("Terminating worker...");
        return InspectorTest.evaluateInPage(`terminateWorker()`);
    })
    .then(() => {
        InspectorTest.log("Creating worker...");
        return Promise.all([
            InspectorTest.awaitEvent("WorkerCreated"),
            InspectorTest.evaluateInPage(`createWorker()`),
        ]);
    })
    .then(() => {
        InspectorTest.log("Terminating worker...");
        return InspectorTest.evaluateInPage(`terminateWorker()`);
    })
    .then(() => {
        InspectorTest.pass("Should not crash.");
    })
    .finally(() => {
        InspectorTest.completeTest();
    });
}
</script>
</head>
<body onload="runTest()">
<p>Test to ensure that any queued messages are not dispatched after terminate is called, which would cause a crash due to the InjectedScript throwing a TerminatedExecutionError when it's evaluated.</p>
</body>
</html>