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<!DOCTYPE html>
<meta charset="utf-8">
<title>Child frame with worker marked as frozen</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<body>
<script>
async_test((t) => {
var child = document.createElement('iframe');
var loaded = false;
var frozen = false;
var resumed = false;
var subworker_freeze_count = 0;
var subworker2_freeze_count = 0;
var subworker_count = 0;
var subworker2_count = 0;
var bc = new BroadcastChannel('subworker_channel');
bc.onmessage = t.step_func((e) => {
if (e.data == 'subworker') {
subworker_count++;
} else if (e.data == 'subworker2') {
subworker2_count++;
} else {
assert_unreached('bad message');
}
// Ensure that if we have resumed that we get at least
// one message from each worker.
if (loaded && frozen && resumed &&
subworker2_count > subworker2_freeze_count &&
subworker_count > subworker_freeze_count) {
t.done();
} else if (loaded && frozen && !resumed) {
// Ensure that at most one message is sent after the frozen state.
assert_true(subworker_count - subworker_freeze_count <= 1);
assert_true(subworker2_count - subworker2_freeze_count <= 1);
}
});
window.addEventListener('message', t.step_func((e) => {
if (e.data == "load") {
loaded = true;
} else if (e.data == "freeze") {
assert_true(loaded);
frozen = true;
subworker_freeze_count = subworker_count;
subworker2_freeze_count = subworker2_count;
child.style = "display: block";
} else if (e.data == "resume") {
assert_true(loaded);
assert_true(frozen);
resumed = true;
}
}));
child.allow = "execution-while-not-rendered 'none'";
child.src = "resources/subframe_worker.html";
document.body.appendChild(child);
child.style = "display: none";
}, "Child frame frozen");
</script>
</body>
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