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HTML: compare window sizing for noopener/noreferrer #16658

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merged 1 commit into from
May 3, 2019
Merged

HTML: compare window sizing for noopener/noreferrer #16658

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17 changes: 17 additions & 0 deletions html/browsers/the-window-object/noopener-noreferrer-sizing.window.js
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Original file line number Diff line number Diff line change
@@ -0,0 +1,17 @@
const windowProps = ["innerWidth", "innerHeight"];

["noopener", "noreferrer"].forEach(openerStyle => {
async_test(t => {
const channelName = "34342" + openerStyle + "8907";
const channel = new BroadcastChannel(channelName);
window.open("support/sizing-target.html?" + channelName, "", openerStyle);
channel.onmessage = t.step_func_done(e => {
// Send message first so if asserts throw the popup is still closed
channel.postMessage(null);

for(const prop of windowProps) {
assert_equals(window[prop], e.data[prop]);
}
});
}, `window.open() with ${openerStyle} should have equal viewport width and height`);
});
17 changes: 17 additions & 0 deletions html/browsers/the-window-object/support/sizing-target.html
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Original file line number Diff line number Diff line change
@@ -0,0 +1,17 @@
<!DOCTYPE html>
<script>
const windowProps = ["innerWidth", "innerHeight"];
const windowPropsObj = {};
const channelName = location.search.substr(1);
const channel = new BroadcastChannel(channelName);
for (const prop of windowProps) {
windowPropsObj[prop] = window[prop];
}
channel.postMessage(windowPropsObj);

// Because messages are not delivered synchronously and because closing a
// browsing context prompts the eventual clearing of all task sources, this
// document should not be closed until the opener document has confirmed
// receipt.
channel.onmessage = () => { window.close() };
</script>