| <!DOCTYPE HTML> |
| <html> |
| <body> |
| <script src="../../resources/js-test.js"></script> |
| |
| <p id="before">Before</p> |
| <textarea id="textarea">Text</textarea> |
| <p id="after">After</p> |
| |
| <div id="console"></div> |
| <script> |
| description("Ensure that extending a selection beyond a textarea does not escape outside its shadow root."); |
| |
| var before = document.getElementById("before"); |
| var after = document.getElementById("after"); |
| var textarea = document.getElementById("textarea"); |
| |
| textarea.setSelectionRange(0, 2); |
| var textareaSelection = internals.youngestShadowRoot(textarea).getSelection(); |
| var initialTextareaFocusNode = textareaSelection.focusNode; |
| |
| var initialFocusNode = window.getSelection().focusNode; |
| var initialFocusOffset = window.getSelection().focusOffset; |
| |
| shouldBe("textareaSelection.focusOffset", "2"); |
| |
| textareaSelection.modify("extend", "forward", "character"); |
| shouldBe("textareaSelection.focusNode", "initialTextareaFocusNode"); |
| shouldBe("textareaSelection.focusOffset", "3"); |
| |
| textareaSelection.modify("extend", "forward", "character"); |
| shouldBe("textareaSelection.focusNode", "initialTextareaFocusNode"); |
| shouldBe("textareaSelection.focusOffset", "4"); |
| |
| // We're at the end - none of these should modify the selection any more. |
| |
| textareaSelection.modify("extend", "forward", "character"); |
| shouldBe("textareaSelection.focusNode", "initialTextareaFocusNode"); |
| shouldBe("textareaSelection.focusOffset", "4"); |
| |
| textareaSelection.modify("extend", "forward", "word"); |
| shouldBe("textareaSelection.focusNode", "initialTextareaFocusNode"); |
| shouldBe("textareaSelection.focusOffset", "4"); |
| |
| textareaSelection.modify("extend", "forward", "line"); |
| shouldBe("textareaSelection.focusNode", "initialTextareaFocusNode"); |
| shouldBe("textareaSelection.focusOffset", "4"); |
| |
| shouldBe("window.getSelection().focusNode", "initialFocusNode"); |
| shouldBe("window.getSelection().focusOffset", "initialFocusOffset"); |
| |
| </script> |
| |
| </body> |
| </html> |
