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Update web-platform-tests to revision b4c87a442f82ff5e1de9a94e735b7b6c5f2e60c5

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WPT Sync Bot 2021-01-13 08:21:27 +00:00
parent 8a42710915
commit b506d7413a
114 changed files with 1565 additions and 371 deletions
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25
tests/wpt/web-platform-tests/measure-memory/randomized-breakdown.https.window.js Normal file
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// META: script=/common/get-host-info.sub.js
// META: script=./resources/common.js
// META: timeout=long
'use strict';
function indexOfEmptyEntry(result) {
return result.breakdown.findIndex(isEmptyBreakdownEntry);
}
assert_true(self.crossOriginIsolated);
promise_test(async testCase => {
const initial = await performance.measureMemory();
let observed_different_order = false;
for (let i = 0; i < 100; ++i) {
const current = await performance.measureMemory();
if (indexOfEmptyEntry(initial) != indexOfEmptyEntry(current)) {
observed_different_order = true;
}
}
// The order of the breakdown entries must be randomized.
// A conforming implementation may fail the following assert with
// the probability of at most 2^-100 since there are at least two
// entries in the breakdown.
assert_true(observed_different_order);
}, 'Well-formed result of performance.measureMemory.');