| <!doctype HTML> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="/resources/testdriver.js"></script> |
| <script src="/resources/testdriver-actions.js"></script> |
| <script src="/resources/testdriver-vendor.js"></script> |
| <div id="div1"> |
| <template shadowrootmode="open"> |
| <div id="div2">some text</div> |
| </template> |
| </div> |
| <script> |
| const selection = document.getSelection(); |
| const div1 = document.getElementById("div1"); |
| const div2 = div1.shadowRoot.getElementById("div2"); |
| generateShadowRootClickSequence = () => new test_driver.Actions() |
| .pointerMove(div2.offsetLeft, div2.offsetTop) |
| .pointerDown() |
| .pointerUp() |
| |
| promise_test(async () => { |
| await generateShadowRootClickSequence().send(); |
| selection.extend(div2.firstChild, 9); // select "some text" |
| assert_equals(selection.toString(), "some text"); |
| }, 'Extend selection in shadow tree'); |
| </script> |
