<html>
<head>
<script src="../../http/tests/inspector/inspector-test.js"></script>
<script src="editor-test.js"></script>
<script>
function test()
{
    function dumpTextModel(prefix, textModel, range)
    {
        var text = InspectorTest.textWithSelection(textModel.text(), range);
        InspectorTest.addResult(prefix + text);
    }

    function typeText(textModel, startRange, text)
    {
        var range = startRange;
        for (var i = 0; i < text.length; ++i)
            range = textModel.editRange(range, text[i]).collapseToEnd();
        return range;
    }

    function typeDelete(textModel, startRange, count)
    {
        var count = count || 1;
        var range = startRange;
        for (var i = 0; i < count; ++i) {
            var deleteRange = range.isEmpty() ? textModel.growRangeRight(range) : range;
            range = textModel.editRange(deleteRange, "", range).collapseToEnd();
        }
        return range;
    }

    function typeBackspace(textModel, startRange, count)
    {
        var count = count || 1;
        var range = startRange;
        for (var i = 0; i < count; ++i) {
            var backspaceRange = range.isEmpty() ? textModel.growRangeLeft(range) : range;
            range = textModel.editRange(backspaceRange, "", range).collapseToEnd();
        }
        return range;
    }

    InspectorTest.runTestSuite([
        function testUndoRedoTab(next)
        {
            var textModel = new WebInspector.TextEditorModel();
            textModel.setText("1\n2\n3\n");
            dumpTextModel("Text before edit:\n", textModel);
            var range = typeText(textModel, new WebInspector.TextRange(1, 0, 1, 0), "\t")
            dumpTextModel("Text after edit:\n", textModel, range);
            range = textModel.undo();
            dumpTextModel("Text after undo:\n", textModel, range);
            range = textModel.redo();
            dumpTextModel("Text after redo:\n", textModel, range);
            next();
        },

        function testConsecutiveCharactersAndNewLines(next)
        {
            var textModel = new WebInspector.TextEditorModel();
            textModel.setText("function foo()\n{\n\n}\n");
            dumpTextModel("Text before edit:\n", textModel);
            var range = typeText(textModel, new WebInspector.TextRange(2, 0, 2, 0), "    bar();\n    baz();\n    foo();");
            dumpTextModel("Text after edit:\n", textModel, range);
            range = textModel.undo();
            dumpTextModel("Text after first undo:\n", textModel, range);
            range = textModel.undo();
            dumpTextModel("Text after second undo:\n", textModel, range);
            range = textModel.undo();
            dumpTextModel("Text after third undo:\n", textModel, range);
            range = textModel.redo();
            dumpTextModel("Text after first redo:\n", textModel, range);
            range = textModel.redo();
            dumpTextModel("Text after second redo:\n", textModel, range);
            range = textModel.redo();
            dumpTextModel("Text after third redo:\n", textModel, range);
            next();
        },

        function testEditRangeWithTheSameTextAsOriginal(next)
        {
            var textModel = new WebInspector.TextEditorModel();
            var functionText = "    bar();\n    baz();\n    foo();";
            textModel.setText("function foo()\n{\n\n}\n");
            dumpTextModel("Text before edit:\n", textModel);
            var range = typeText(textModel, new WebInspector.TextRange(2, 0, 2, 0), "    bar();\n    baz();\n    foo();");
            dumpTextModel("Text after edit:\n", textModel, range);
            textModel.editRange(new WebInspector.TextRange(3, 0, 4, 0), "    baz();\n");
            dumpTextModel("Text after paste of the same text:\n", textModel, range);
            range = textModel.undo();
            dumpTextModel("Text after first undo:\n", textModel, range);
            range = textModel.undo();
            dumpTextModel("Text after second undo:\n", textModel, range);
            range = textModel.redo();
            dumpTextModel("Text after first redo:\n", textModel, range);
            range = textModel.redo();
            dumpTextModel("Text after second redo:\n", textModel, range);
            next();
        },

        function testDelete(next)
        {
            var textModel = new WebInspector.TextEditorModel();
            var functionText = "    bar();\n    baz();\n    foo();";
            textModel.setText("function foo()\n{\n\n}\n");
            dumpTextModel("Text before edit:\n", textModel);
            var range = typeText(textModel, new WebInspector.TextRange(2, 0, 2, 0), "    bar();\n    baz();\n    foo();");
            dumpTextModel("Text after edit:\n", textModel, range);
            range = typeDelete(textModel, new WebInspector.TextRange(2, 0, 2, 0), functionText.length);
            dumpTextModel("Text after deletes:\n", textModel, range);
            range = textModel.undo();
            dumpTextModel("Text after first undo:\n", textModel, range);
            range = textModel.undo();
            dumpTextModel("Text after second undo:\n", textModel, range);
            range = textModel.redo();
            dumpTextModel("Text after first redo:\n", textModel, range);
            range = textModel.redo();
            dumpTextModel("Text after second redo:\n", textModel, range);
            next();
        },

        function testBackspace(next)
        {
            var textModel = new WebInspector.TextEditorModel();
            var functionText = "    bar();\n    baz();\n    foo();";
            textModel.setText("function foo()\n{\n\n}\n");
            dumpTextModel("Text before edit:\n", textModel);
            var range = typeText(textModel, new WebInspector.TextRange(2, 0, 2, 0), "    bar();\n    baz();\n    foo();");
            dumpTextModel("Text after edit:\n", textModel, range);
            range = typeBackspace(textModel, range, functionText.length);
            dumpTextModel("Text after backspaces:\n", textModel, range);
            range = textModel.undo();
            dumpTextModel("Text after first undo:\n", textModel, range);
            range = textModel.undo();
            dumpTextModel("Text after second undo:\n", textModel, range);
            range = textModel.redo();
            dumpTextModel("Text after first redo:\n", textModel, range);
            range = textModel.redo();
            dumpTextModel("Text after second redo:\n", textModel, range);
            next();
        },

        function testBackspaceAndDeleteInDifferentLines(next)
        {
            var textModel = new WebInspector.TextEditorModel();
            var functionText = "    bar();\n    baz();\n    foo();";
            textModel.setText("function foo()\n{\n\n}\n");
            dumpTextModel("Text before edit:\n", textModel);
            var range = typeText(textModel, new WebInspector.TextRange(2, 0, 2, 0), "    bar();\n    baz();\n    foo();");
            dumpTextModel("Text after edit:\n", textModel, range);
            range = typeBackspace(textModel, range);
            dumpTextModel("Text after backspace:\n", textModel, range);
            range = typeDelete(textModel, new WebInspector.TextRange(2, 0, 2, 0));
            dumpTextModel("Text after delete:\n", textModel, range);
            range = textModel.undo();
            dumpTextModel("Text after first undo:\n", textModel, range);
            range = textModel.undo();
            dumpTextModel("Text after second undo:\n", textModel, range);
            range = textModel.undo();
            dumpTextModel("Text after third undo:\n", textModel, range);
            range = textModel.redo();
            dumpTextModel("Text after first redo:\n", textModel, range);
            range = textModel.redo();
            dumpTextModel("Text after second redo:\n", textModel, range);
            range = textModel.redo();
            dumpTextModel("Text after third redo:\n", textModel, range);
            next();
        },

        function testPasteSeveralTimes(next)
        {
            var textModel = new WebInspector.TextEditorModel();
            var functionText = "    bar();\n    baz();\n    foo();";
            textModel.setText("function foo()\n{\n\n}\n");
            dumpTextModel("Text before edit:\n", textModel);
            var range = typeText(textModel, new WebInspector.TextRange(2, 0, 2, 0), "    bar();\n    baz();\n    foo();");
            dumpTextModel("Text after edit:\n", textModel, range);
            range = textModel.editRange(range, "42").collapseToEnd();
            dumpTextModel("Text after first paste:\n", textModel, range);
            range = textModel.editRange(range, "42").collapseToEnd();
            dumpTextModel("Text after second paste:\n", textModel, range);
            range = textModel.undo();
            dumpTextModel("Text after first undo:\n", textModel, range);
            range = textModel.undo();
            dumpTextModel("Text after second undo:\n", textModel, range);
            range = textModel.undo();
            dumpTextModel("Text after third undo:\n", textModel, range);
            range = textModel.redo();
            dumpTextModel("Text after first redo:\n", textModel, range);
            range = textModel.redo();
            dumpTextModel("Text after second redo:\n", textModel, range);
            range = textModel.redo();
            dumpTextModel("Text after third redo:\n", textModel, range);
            next();
        },

        function testSelectionAfterUndoRedo(next)
        {
            var textModel = new WebInspector.TextEditorModel();
            var functionText = "    bar();\n    baz();\n    foo();";
            textModel.setText("function foo()\n{\n\n}\n");
            dumpTextModel("Text before edit:\n", textModel);
            range = typeBackspace(textModel, new WebInspector.TextRange(2, 0, 2, 0), 1);
            dumpTextModel("Text after backspace:\n", textModel, range);
            range = textModel.undo();
            dumpTextModel("Text after first undo:\n", textModel, range);
            range = textModel.redo();
            dumpTextModel("Text after first redo:\n", textModel, range);
            range = textModel.undo();
            dumpTextModel("Text after second undo:\n", textModel, range);
            range = typeBackspace(textModel, new WebInspector.TextRange(1, 1, 2, 0), 1);
            dumpTextModel("Text after deleting selection:\n", textModel, range);
            range = textModel.undo();
            dumpTextModel("Text after first undo:\n", textModel, range);
            range = textModel.redo();
            dumpTextModel("Text after first redo:\n", textModel, range);
            range = textModel.undo();
            dumpTextModel("Text after second undo:\n", textModel, range);
            next();
        }
    ]);
}
</script>
</head>
<body onload="runTest()">
<p>Tests undo/redo operations in the editor model.</p>
</body>
</html>