<body><label contenteditable="true" style="-webkit-appearance: button" dir="rtl"><q id=q style="-webkit-user-select:none">a</q>
<script>
    if (window.testRunner) {
        testRunner.dumpAsText();
        testRunner.waitUntilDone();
    }

    window.getSelection().selectAllChildren(q);
    document.execCommand("justifyLeft", false);
    document.body.innerText = "Test editing a paragraph that is user-select:none and dir:rtl. The test passes if WebKit doesn't crash or hit an assertion.";
    
    if (window.testRunner)
        testRunner.notifyDone();
</script>