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Diffstat (limited to 'editor/libeditor/tests/test_bug1619852.html')
| -rw-r--r-- | editor/libeditor/tests/test_bug1619852.html | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/editor/libeditor/tests/test_bug1619852.html b/editor/libeditor/tests/test_bug1619852.html new file mode 100644 index 0000000000..4564f36526 --- /dev/null +++ b/editor/libeditor/tests/test_bug1619852.html @@ -0,0 +1,34 @@ +<!DOCTYPE html> +<!-- +https://bugzilla.mozilla.org/show_bug.cgi?id=1619852 +--> +<html> +<head> +<title>Test for Bug 1619852</title> +<script src="/tests/SimpleTest/SimpleTest.js"></script> +<script src="/tests/SimpleTest/EventUtils.js"></script> +<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" /> +</head> +<body> +<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1619852">Bug 1619852</a> +<p id="display"></p> +<div id="content" style="display: none"></div> +<pre id="test"></pre> +<div contenteditable>abcd</div> +<script> +SimpleTest.waitForExplicitFinish(); +SimpleTest.waitForFocus(() => { + let editor = document.querySelector("div[contenteditable]"); + // Do nothing, but `HTMLEditor` may use different path to detect unexpected DOM tree or selection change. + editor.addEventListener("DOMNodeRemoved", () => {}); + getSelection().collapse(editor.firstChild, 4); + synthesizeKey("KEY_Backspace"); + is(editor.textContent, "abc", "The last character should've been removed by the Backspace"); + getSelection().collapse(editor.firstChild, 1); + synthesizeKey("KEY_Backspace"); + is(editor.textContent, "bc", "The first character should've been removed by the Backspace"); + SimpleTest.finish(); +}); +</script> +</body> +</html> |