| test(() => { |
| if (typeof PerformanceObserver.supportedEntryTypes === "undefined") |
| assert_unreached("supportedEntryTypes is not supported."); |
| const types = PerformanceObserver.supportedEntryTypes; |
| assert_greater_than(types.length, 0, |
| "There should be at least one entry in supportedEntryTypes."); |
| for (let i = 1; i < types.length; i++) { |
| assert_true(types[i-1] < types[i], |
| "The strings '" + types[i-1] + "' and '" + types[i] + |
| "' are repeated or they are not in alphabetical order.") |
| } |
| }, "supportedEntryTypes exists and returns entries in alphabetical order"); |
