| <!DOCTYPE html> |
| <meta charset=utf-8> |
| <title>File's lastModified</title> |
| <link rel=help href="https://w3c.github.io/FileAPI/#dfn-lastModified"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| |
| <script> |
| "use strict"; |
| |
| promise_test(async t => { |
| const before = Date.now(); |
| const file = new File([], "dummy"); |
| const after = Date.now(); |
| await t.step_wait(() => Date.now() > after, "The clock advances beyond construction"); |
| assert_between_inclusive(file.lastModified, before, after); |
| }, "lastModified defaults to the time of construction"); |
| </script> |
