<!DOCTYPE html>
<meta charset="utf-8">
<title>Navigation Preload Resource Timing</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="../resources/test-helpers.sub.js"></script>
<script>
function check_timing_entry(entry, url, decodedBodySize, encodedBodySize) {
assert_equals(entry.name, url, 'The entry name of '+ url);
assert_equals(
entry.entryType, 'resource',
'The entryType of preload response timing entry must be "resource' +
'" :' + url);
assert_equals(
entry.initiatorType, 'navigation',
'The initiatorType of preload response timing entry must be ' +
'"navigation":' + url);
// If the server returns the redirect response, |decodedBodySize| is null and
// |entry.decodedBodySize| should be 0. Otherwise |entry.decodedBodySize| must
// same as |decodedBodySize|
assert_equals(
entry.decodedBodySize, Number(decodedBodySize),
'decodedBodySize must same as the decoded size in the server:' + url);
// If the server returns the redirect response, |encodedBodySize| is null and
// |entry.encodedBodySize| should be 0. Otherwise |entry.encodedBodySize| must
// same as |encodedBodySize|
assert_equals(
entry.encodedBodySize, Number(encodedBodySize),
'encodedBodySize must same as the encoded size in the server:' + url);
assert_greater_than(
entry.transferSize, entry.decodedBodySize,
'transferSize must greater then encodedBodySize.');
assert_greater_than(entry.startTime, 0, 'startTime of ' + url);
assert_greater_than_equal(entry.fetchStart, entry.startTime,
'fetchStart >= startTime of ' + url);
assert_greater_than_equal(entry.domainLookupStart, entry.fetchStart,
'domainLookupStart >= fetchStart of ' + url);
assert_greater_than_equal(entry.domainLookupEnd, entry.domainLookupStart,
'domainLookupEnd >= domainLookupStart of ' + url);
assert_greater_than_equal(entry.connectStart, entry.domainLookupEnd,
'connectStart >= domainLookupEnd of ' + url);
assert_greater_than_equal(entry.connectEnd, entry.connectStart,
'connectEnd >= connectStart of ' + url);
assert_greater_than_equal(entry.requestStart, entry.connectEnd,
'requestStart >= connectEnd of ' + url);
assert_greater_than_equal(entry.responseStart, entry.requestStart,
'domainLookupStart >= requestStart of ' + url);
assert_greater_than_equal(entry.responseEnd, entry.responseStart,
'responseEnd >= responseStart of ' + url);
assert_greater_than(entry.duration, 0, 'duration of ' + url);
}
promise_test(t => {
var script = 'resources/resource-timing-worker.js';
var scope = 'resources/resource-timing-scope.py';
var registration;
var frames = [];
return service_worker_unregister_and_register(t, script, scope)
.then(reg => {
registration = reg;
add_completion_callback(_ => registration.unregister());
return wait_for_state(t, registration.installing, 'activated');
})
.then(_ => with_iframe(scope + '?type=normal'))
.then(frame => {
frames.push(frame);
return with_iframe(scope + '?type=redirect');
})
.then(frame => {
frames.push(frame);
frames.forEach(frame => {
var result = JSON.parse(frame.contentDocument.body.textContent);
assert_equals(
result.timingEntries.length, 1,
'performance.getEntriesByName() must returns one ' +
'PerformanceResourceTiming entry for the navigation preload.');
var entry = result.timingEntries[0];
check_timing_entry(entry, frame.src, result.decodedBodySize,
result.encodedBodySize);
frame.remove();
});
return registration.unregister();
});
}, 'Navigation Preload Resource Timing.');
</script>
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