| <!DOCTYPE html> |
| <title>synthetic clipboard events should not be composed</title> |
| <link rel="help" href="https://w3c.github.io/clipboard-apis/#clipboard-event-copy"> |
| <link rel="help" href="https://w3c.github.io/clipboard-apis/#clipboard-event-cut"> |
| <link rel="help" href="https://w3c.github.io/clipboard-apis/#clipboard-event-paste"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <div id=log></div> |
| <script> |
| const EVENTS = [ 'copy', 'cut', 'paste' ]; |
| |
| function testEvent(eventName, init, composed_flag_expectation, testName) { |
| async_test(test => { |
| document.addEventListener(eventName, test.step_func_done(e => { |
| assert_false(e.isTrusted, `synthetic ${eventName} event is untrusted`); |
| assert_equals(e.composed, composed_flag_expectation, |
| `composed flag should be ${composed_flag_expectation}`); |
| })); |
| const event = new ClipboardEvent(eventName, init); |
| document.dispatchEvent(event); |
| }, testName); |
| } |
| |
| EVENTS.forEach(name => { |
| testEvent(name, { bubbles: true, cancellable: true }, false, |
| `Unspecified synthetic ${name} event should not be composed.`); |
| testEvent(name, { bubbles: true, cancelable: true, composed: true }, true, |
| `Synthetic ${name} event can be explicitly composed.`); |
| testEvent(name, { bubbles: true, cancelable: true, composed: false }, false, |
| `Synthetic ${name} event can be explicitly uncomposed.`); |
| }); |
| </script> |
