<!DOCTYPE html> <!-- webkit-test-runner [ internal:UndoManagerAPIEnabled=true ] -->
<html>
    <meta charset="utf8">
    <head>
        <script src="../../resources/js-test.js"></script>
        <script src="../../resources/ui-helper.js"></script>
        <script src="../editing.js"></script>
        <script>
        jsTestIsAsync = true;
        undoName = null;
        redoName = null;

        async function runTest() {
            description("Verifies that setting the label attribute of UndoItem affects the undo and redo action names "
                + "in the platform undo manager.");

            field.focus();

            debug("After typing:");
            document.execCommand("InsertText", true, "hello");
            [undoName, redoName] = await UIHelper.undoAndRedoLabels();
            shouldBeEqualToString("undoName", "Typing");
            shouldBeEqualToString("redoName", "");

            function createUndoItemWithLabel(labelString) {
                return new UndoItem({
                    label: labelString,
                    undo: () => { },
                    redo: () => { }
                });
            }

            debug("After adding the first UndoItem:");
            const firstItem = createUndoItemWithLabel("First 🥇");
            document.undoManager.addItem(firstItem);
            [undoName, redoName] = await UIHelper.undoAndRedoLabels();
            shouldBeEqualToString("undoName", firstItem.label);
            shouldBeEqualToString("redoName", "");

            debug("After adding the second UndoItem:");
            const secondItem = createUndoItemWithLabel("Second 🥈");
            document.undoManager.addItem(secondItem);
            [undoName, redoName] = await UIHelper.undoAndRedoLabels();
            shouldBeEqualToString("undoName", secondItem.label);
            shouldBeEqualToString("redoName", "");

            debug("After undoing:");
            document.execCommand("undo");
            [undoName, redoName] = await UIHelper.undoAndRedoLabels();
            shouldBeEqualToString("undoName", firstItem.label);
            shouldBeEqualToString("redoName", secondItem.label);

            debug("After undoing again:");
            document.execCommand("undo");
            [undoName, redoName] = await UIHelper.undoAndRedoLabels();
            shouldBeEqualToString("undoName", "Typing");
            shouldBeEqualToString("redoName", firstItem.label);

            debug("After redoing:");
            document.execCommand("redo");
            [undoName, redoName] = await UIHelper.undoAndRedoLabels();
            shouldBeEqualToString("undoName", firstItem.label);
            shouldBeEqualToString("redoName", secondItem.label);

            debug("After redoing again:");
            document.execCommand("redo");
            [undoName, redoName] = await UIHelper.undoAndRedoLabels();
            shouldBeEqualToString("undoName", secondItem.label);
            shouldBeEqualToString("redoName", "");

            debug("After undoing and then pasting:");
            document.execCommand("undo");
            selectAllCommand();
            copyCommand();
            pasteCommand();
            [undoName, redoName] = await UIHelper.undoAndRedoLabels();
            shouldBeEqualToString("undoName", "Paste");
            shouldBeEqualToString("redoName", "");

            debug("After undoing the paste command:");
            document.execCommand("undo");
            [undoName, redoName] = await UIHelper.undoAndRedoLabels();
            shouldBeEqualToString("undoName", firstItem.label);
            shouldBeEqualToString("redoName", "Paste");

            finishJSTest();
        }
        </script>
    </head>
    <body onload="runTest()">
        <input id="field"></input>
        <pre id="description"></pre>
        <pre id="console"></pre>
    </body>
</html>