<!DOCTYPE html> <title>Test for Bug 1186799</title> <script src="/tests/SimpleTest/SimpleTest.js"></script> <script src="/tests/SimpleTest/EventUtils.js"></script> <link rel="stylesheet" href="/tests/SimpleTest/test.css"> <div contenteditable></div> <script> var div = document.querySelector("div"); function reset() { div.innerHTML = "x<br> y"; div.focus(); synthesizeKey("VK_DOWN", {}); } function checks(msg) { is(div.innerHTML, "x<br><br>", msg + ": Should add a second <br> to prevent collapse of first"); is(div.childNodes.length, 3, msg + ": No empty text nodes allowed"); ok(getSelection().isCollapsed, msg + ": Selection must be collapsed"); is(getSelection().focusNode, div, msg + ": Focus must be in div"); is(getSelection().focusOffset, 2, msg + ": Focus must be between the two <br>s"); } SimpleTest.waitForExplicitFinish(); SimpleTest.waitForFocus(function() { // Put selection after the "y" and backspace reset(); synthesizeKey("VK_RIGHT", {}); synthesizeKey("VK_BACK_SPACE", {}); checks("Collapsed backspace"); // Now do the same with delete reset(); synthesizeKey("VK_DELETE", {}); checks("Collapsed delete"); // Forward selection reset(); synthesizeKey("VK_RIGHT", {shiftKey: true}); synthesizeKey("VK_BACK_SPACE", {}); checks("Forward-selected backspace"); // Backward selection reset(); synthesizeKey("VK_RIGHT", {}); synthesizeKey("VK_LEFT", {shiftKey: true}); synthesizeKey("VK_BACK_SPACE", {}); checks("Backward-selected backspace"); // Make sure we're not deleting if the whitespace isn't actually collapsed div.style.whiteSpace = "pre-wrap"; reset(); synthesizeKey("VK_RIGHT", {}); synthesizeKey("VK_RIGHT", {}); synthesizeKey("VK_BACK_SPACE", {}); if (div.innerHTML, "x<br> ", "pre-wrap: Don't delete uncollapsed space"); ok(getSelection().isCollapsed, "pre-wrap: Selection must be collapsed"); is(getSelection().focusNode, div.lastChild, "pre-wrap: Focus must be in final text node"); is(getSelection().focusOffset, 1, "pre-wrap: Focus must be at end of node"); SimpleTest.finish(); }); </script>