/*

 * Copyright (c) 2010, 2016, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

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import com.sun.swingset3.demos.tree.TreeDemo;

import static com.sun.swingset3.demos.tree.TreeDemo.DEMO_TITLE;

import java.awt.Component;

import javax.swing.tree.TreePath;

import org.jtregext.GuiTestListener;

import org.netbeans.jemmy.ClassReference;

import org.netbeans.jemmy.ComponentChooser;

import org.netbeans.jemmy.operators.JFrameOperator;

import org.netbeans.jemmy.operators.JTreeOperator;

import org.testng.annotations.Listeners;

import org.testng.annotations.Test;

import static org.testng.AssertJUnit.*;

/*

 * @test

 * @key headful

 * @summary Verifies SwingSet3 TreeDemo by expanding all collapsed nodes in the

 *          tree and then collapsing all the expanded nodes in the tree. It

 *          verifies the number of nodes expanded, number of nodes collapsed and

 *          number of rows in the tree in the begininng, after expanding and

 *          after collapsing the nodes. It also checks that the tree grows

 *          vertically (as ScrollPane allows it).

 *

 * @library /sanity/client/lib/jemmy/src

 * @library /sanity/client/lib/Extensions/src

 * @library /sanity/client/lib/SwingSet3/src

 * @modules java.desktop

 *          java.logging

 * @build org.jemmy2ext.JemmyExt

 * @build com.sun.swingset3.demos.tree.TreeDemo

 * @run testng TreeDemoTest

 */

@Listeners(GuiTestListener.class)

public class TreeDemoTest {

    private static final int NODES_TO_EXPAND = 75;

    private static final int NODES_TOTAL = 616;

    private void waitRowCount(JTreeOperator tree, int count) {

        tree.waitState(new ComponentChooser() {

            public boolean checkComponent(Component comp) {

                return tree.getRowCount() == count;

            }

            public String getDescription() {

                return "A tree to have " + count + " rows";

            }

        });

    }

    @Test

    public void test() throws Exception {

        new ClassReference(TreeDemo.class.getCanonicalName()).startApplication();

        JFrameOperator frame = new JFrameOperator(DEMO_TITLE);

        JTreeOperator tree = new JTreeOperator(frame);

        assertEquals("Initial number of rows in the tree", 4, tree.getRowCount());

        int initialTreeHeight = tree.getHeight();

        // expand all nodes

        int expandsCount = 0;

        for (int i = 0; i < tree.getRowCount(); i++) {

            TreePath tp = tree.getPathForRow(i);

            if (tree.getChildCount(tp) > 0 && !tree.isExpanded(tp)) {

                tree.expandRow(i);

                expandsCount++;

            }

        }

        assertEquals("Number of rows expanded", NODES_TO_EXPAND, expandsCount);

        waitRowCount(tree, NODES_TOTAL);

        int expandedTreeHeight = tree.getHeight();

        assertTrue("Expanded tree height has increased, current "

                + expandedTreeHeight + " > initial " + initialTreeHeight,

                expandedTreeHeight > initialTreeHeight);

        // collapse all nodes

        int collapsesCount = 0;

        for (int i = tree.getRowCount() - 1; i >= 0; i--) {

            TreePath tp = tree.getPathForRow(i);

            if (tree.getChildCount(tp) > 0 && tree.isExpanded(tp)) {

                tree.collapseRow(i);

                collapsesCount++;

            }

        }

        assertEquals("Number of rows collapsed", NODES_TO_EXPAND + 1, collapsesCount);

        waitRowCount(tree, 1);

        int collapsedTreeHeight = tree.getHeight();

        assertTrue("Collpased tree height is not longer than initial, "

                + "current " + collapsedTreeHeight + " <= initial "

                + initialTreeHeight,

                collapsedTreeHeight <= initialTreeHeight);

    }

}