paste-in-list-with-inline-style.tentative.html

<!doctype html>
<meta charset=utf-8>
<title>This tests for a bug in ReplaceSelectionCommand where styles are lost during paste.</title>
<script src=/resources/testharness.js></script>
<script src=/resources/testharnessreport.js></script>
<span id="copy" style="font-weight: bold;">copy this</span>
<div id="paste" contenteditable="true"> <ul><li id="list1"></li></ul></div>
<div id="log"></div>
<script>
"use strict";

setup({explicit_done: true});

function runTests() {
    test(function() {
        var selection = window.getSelection();
        selection.selectAllChildren(document.getElementById('copy'));
        document.execCommand('Copy');
        var sample = document.getElementById('list1');
        selection.collapse(sample);
        document.execCommand('Paste');

        assert_equals(sample.innerHTML, '<span style="font-weight: 700;">copy this</span>');
        assert_true(selection.isCollapsed);
    }, "");
    done();
}

window.addEventListener("load", runTests, {once: true});
</script>

chromium/third_party/blink/web_tests/external/wpt/editing/other/paste-in-list-with-inline-style.tentative.html