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function test_frame_timing_before_load_event(type) {
promise_test(async t => {
const {document, performance} = type === 'frame' ? window.parent : window;
const delay = 500;
const frame = document.createElement(type);
t.add_cleanup(() => frame.remove());
await new Promise(resolve => {
frame.addEventListener('load', resolve);
frame.src = `resources/iframe-with-delay.sub.html?delay=${delay}`;
(type === 'frame' ? document.querySelector('frameset') : document.body).appendChild(frame);
});
const entries = performance.getEntriesByName(frame.src);
const navigationEntry = frame.contentWindow.performance.getEntriesByType('navigation')[0];
assert_equals(entries.length, 1);
assert_equals(entries[0].initiatorType, type);
assert_greater_than(performance.now(), entries[0].responseEnd + delay);
const domContentLoadedEventAbsoluteTime = navigationEntry.domContentLoadedEventStart + frame.contentWindow.performance.timeOrigin;
const frameResponseEndAbsoluteTime = entries[0].responseEnd + performance.timeOrigin;
assert_greater_than(domContentLoadedEventAbsoluteTime, frameResponseEndAbsoluteTime);
}, `A ${type} should report its RT entry when the response is done and before it is completely loaded`);
}
function test_frame_timing_change_src(type) {
promise_test(async t => {
const {document, performance} = type === 'frame' ? window.parent : window;
const frame = document.createElement(type);
t.add_cleanup(() => frame.remove());
await new Promise(resolve => {
const done = () => {
resolve();
frame.removeEventListener('load', done);
}
frame.addEventListener('load', done);
frame.src = 'resources/green.html?1';
(type === 'frame' ? document.querySelector('frameset') : document.body).appendChild(frame);
});
await new Promise(resolve => {
frame.addEventListener('load', resolve);
frame.src = 'resources/green.html?2';
});
const entries = performance.getEntries().filter(e => e.name.includes('green.html'));
assert_equals(entries.length, 2);
}, `A ${type} should report separate RT entries if its src changed from the outside`);
}
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