performanceobservers.js
// Compares a performance entry to a predefined one
// perfEntriesToCheck is an array of performance entries from the user agent
// expectedEntries is an array of performance entries minted by the test
function checkEntries(perfEntriesToCheck, expectedEntries) {
function findMatch(pe) {
// we match based on entryType and name
for (var i = expectedEntries.length - 1; i >= 0; i--) {
var ex = expectedEntries[i];
if (ex.entryType === pe.entryType && ex.name === pe.name) {
return ex;
}
}
return null;
}
assert_equals(perfEntriesToCheck.length, expectedEntries.length, "performance entries must match");
perfEntriesToCheck.forEach(function (pe1) {
assert_not_equals(findMatch(pe1), null, "Entry matches");
});
}