1// Compares a list of performance entries to a predefined one.
2// actualEntries is an array of performance entries from the user agent,
3// and expectedEntries is an array of performance entries minted by the test.
4// The comparison doesn't assert the order of the entries.
5function checkEntries(actualEntries, expectedEntries) {
6  assert_equals(actualEntries.length, expectedEntries.length,
7      `The length of actual and expected entries should match.
8      actual: ${JSON.stringify(actualEntries)},
9      expected: ${JSON.stringify(expectedEntries)}`);
10  const actualEntrySet = new Set(actualEntries.map(ae=>ae.name));
11  assert_equals(actualEntrySet.size, actualEntries.length, `Actual entry names are not unique: ${JSON.stringify(actualEntries)}`);
12  const expectedEntrySet = new Set(expectedEntries.map(ee=>ee.name));
13  assert_equals(expectedEntrySet.size, expectedEntries.length, `Expected entry names are not unique: ${JSON.stringify(expectedEntries)}`);
14  actualEntries.forEach(ae=>{
15    const expectedEntry = expectedEntries.find(e=>e.name === ae.name);
16    assert_true(!!expectedEntry, `Entry name '${ae.name}' was not found.`);
17    checkEntry(ae, expectedEntry);
18  });
19}
20
21function checkEntry(entry, {name, entryType, startTime, detail, duration}) {
22  assert_equals(entry.name, name);
23  assert_equals(entry.entryType, entryType);
24  if (startTime !== undefined)
25    assert_equals(entry.startTime, startTime);
26  if (detail !== undefined)
27    assert_equals(JSON.stringify(entry.detail), JSON.stringify(detail));
28  if (duration !== undefined)
29    assert_equals(entry.duration, duration);
30}
31