/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

package org.netbeans.modules.xml.xam;

import junit.framework.*;
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import org.netbeans.junit.NbTestCase;
import org.netbeans.modules.xml.xam.TestComponent.A;
import org.netbeans.modules.xml.xam.TestComponent.B;
import org.netbeans.modules.xml.xam.TestComponent.C;
import org.netbeans.modules.xml.xam.dom.Utils;
import org.openide.util.WeakListeners;

/**
 *
 * @author Nam Nguyen
 */
public class AbstractComponentTest extends NbTestCase {
    
    TestModel model;
    TestComponent p;
    A a1; 
    B b1;
    C c1;
    Listener listener;
    TestComponentListener clistener;
    
    public AbstractComponentTest(String testName) {
        super(testName);
    }

    protected void setUp() throws Exception {
    }
    

    protected void tearDown() throws Exception {
    }

    public static Test suite() {
        TestSuite suite = new TestSuite(AbstractComponentTest.class);
        
        return suite;
    }

    static class Listener implements PropertyChangeListener {
        private String event;
        private Object old;
        private Object now;
        
        public void propertyChange(PropertyChangeEvent evt) {
            assertNotNull(evt);
            if (evt.getPropertyName().equals("setup")) {
                return;
            }
            event = evt.getPropertyName();
            old = evt.getOldValue();
            now = evt.getNewValue();
        }

        public String getEvent() { return event; }
        public Object getOld() { return old; }
        public Object getNow() { return now; }
        public void reset() { event = null; old = null; now = null; }
    
        public void assertEvent(String name, Object old, Object now) {
            assertEquals(name+".event", name, getEvent());
            assertEquals(name+".old", old, getOld());
            assertEquals(name+".now", now, getNow());
        }
    }
    
    static class TestComponentListener implements ComponentListener {
        List<ComponentEvent> accu = new ArrayList<ComponentEvent>();
        public void valueChanged(ComponentEvent evt) {
            accu.add(evt);
        }
        public void childrenAdded(ComponentEvent evt) {
            accu.add(evt);
        }
        public void childrenDeleted(ComponentEvent evt) {
            accu.add(evt);
        }
        public void reset() { accu.clear(); }
        public int getEventCount() { return accu.size(); }
        public List<ComponentEvent> getEvents() { return accu; }
    
        private void assertEvent(ComponentEvent.EventType type, Component source) {
            for (ComponentEvent e : accu) {
                if (e.getEventType().equals(type) &&
                    e.getSource() == source) {
                    return;
                }
            }
            assertTrue("Expect component change event" + type +" on source " + source, false);
        }
    }    
    
    public void testComponentEvents() throws Exception {
        TestModel model = new TestModel();
        TestComponent root = model.getRootComponent();
        TestComponentListener listener1 = new TestComponentListener();
        TestComponentListener listener2 = new TestComponentListener();
        model.addComponentListener((ComponentListener)WeakListeners.create(ComponentListener.class, listener1, model));
        model.addComponentListener((ComponentListener)WeakListeners.create(ComponentListener.class, listener2, model));
        
        model.startTransaction();
        model.addChildComponent(root, new TestComponent.B(model, 1), -1);
        model.endTransaction();
        
        listener1.assertEvent(ComponentEvent.EventType.CHILD_ADDED, root);
        listener2.assertEvent(ComponentEvent.EventType.CHILD_ADDED, root);

        model.startTransaction();
        B b = root.getChild(B.class);
        b.setValue("test attribute value");
        model.endTransaction();
        listener1.assertEvent(ComponentEvent.EventType.VALUE_CHANGED, b);
        listener2.assertEvent(ComponentEvent.EventType.VALUE_CHANGED, b);

        model.startTransaction();
        model.removeChildComponent(root.getChild(B.class));
        model.endTransaction();

        listener1.assertEvent(ComponentEvent.EventType.CHILD_REMOVED, root);
        listener2.assertEvent(ComponentEvent.EventType.CHILD_REMOVED, root);
    }
    
    public void testSetSameChild() throws Exception {
        TestModel model = new TestModel();
        TestComponent root = model.getRootComponent();

        B b1 = new TestComponent.B(model, 1);
        model.startTransaction();
        model.addChildComponent(root, b1, -1);
        model.endTransaction();
        
        model.startTransaction();
        root.setChild(B.class, "testSetSameChild", b1, Collections.EMPTY_LIST);
        model.endTransaction();
        
        assertEquals(1, root.getChildren(B.class).size());
    }

    public void testAddAlreadyAddedChild() throws Exception {
        TestModel model = new TestModel();
        TestComponent root = model.getRootComponent();

        B b1 = new TestComponent.B(model, 1);
        model.startTransaction();
        model.addChildComponent(root, b1, -1);
        model.endTransaction();
        
        model.startTransaction();
        try {
            root.appendChild("testSetSameChild", b1);
            assertFalse("Failed to get IllegalArgumentException", true);
        } catch(IllegalArgumentException e) {
            //OK
        } finally {
            if (model.isIntransaction()) model.endTransaction();
        }
        
        assertEquals(1, root.getChildren(B.class).size());
    }
    
    public void testRemoveNonExistingChild() throws Exception {
        TestModel model = new TestModel();
        TestComponent root = model.getRootComponent();

        B b1 = new TestComponent.B(model, 1);
        model.startTransaction();
        try {
            root.removeChild("testRemove", b1);
            assertFalse("Failed to get IllegalArgumentException", true);
        } catch(IllegalArgumentException e) {
            //OK
        } finally {
            if (model.isIntransaction()) model.endTransaction();
        }
        
        model.startTransaction();
        model.addChildComponent(root, b1, -1);
        model.endTransaction();
        
        model.startTransaction();
        root.removeChild("testRemoveChild", b1);
        model.endTransaction();
        assertEquals(0, root.getChildren(B.class).size());
        
        model.startTransaction();
        try {
            root.removeChild("testRemove", b1);
            assertFalse("Failed to get IllegalArgumentException", true);
        } catch(IllegalArgumentException e) {
            //OK
        } finally {
            if (model.isIntransaction()) model.endTransaction();
        }
    }
    
    static char[] basechars = new char[] {
            0x0041, 0x005A, 0x0061, 0x007A, 0x00C0, 0x00D6, 0x00D8, 0x00F6, 0x00F8, 
            0x00FF, 0x0100, 0x0131, 0x0134, 0x013E, 0x0141, 0x0148, 0x014A, 0x017E, 
            0x0180, 0x01C3, 0x01CD, 0x01F0, 0x01F4, 0x01F5, 0x01FA, 0x0217, 0x0250, 
            0x02A8, 0x02BB, 0x02C1, 0x0386, 0x0388, 0x038A, 0x038C, 0x038E, 0x03A1, 
            0x03A3, 0x03CE, 0x03D0, 0x03D6, 0x03DA, 0x03DC, 0x03DE, 0x03E0, 0x03E2, 
            0x03F3, 0x0401, 0x040C, 0x040E, 0x044F, 0x0451, 0x045C, 0x045E, 0x0481, 
            0x0490, 0x04C4, 0x04C7, 0x04C8, 0x04CB, 0x04CC, 0x04D0, 0x04EB, 0x04EE, 
            0x04F5, 0x04F8, 0x04F9, 0x0531, 0x0556, 0x0559, 0x0561, 0x0586, 0x05D0, 
            0x05EA, 0x05F0, 0x05F2, 0x0621, 0x063A, 0x0641, 0x064A, 0x0671, 0x06B7, 
            0x06BA, 0x06BE, 0x06C0, 0x06CE, 0x06D0, 0x06D3, 0x06D5, 0x06E5, 0x06E6, 
            0x0905, 0x0939, 0x093D, 0x0958, 0x0961, 0x0985, 0x098C, 0x098F, 0x0990, 
            0x0993, 0x09A8, 0x09AA, 0x09B0, 0x09B2, 0x09B6, 0x09B9, 0x09DC, 0x09DD, 
            0x09DF, 0x09E1, 0x09F0, 0x09F1, 0x0A05, 0x0A0A, 0x0A0F, 0x0A10, 0x0A13, 
            0x0A28, 0x0A2A, 0x0A30, 0x0A32, 0x0A33, 0x0A35, 0x0A36, 0x0A38, 0x0A39, 
            0x0A59, 0x0A5C, 0x0A5E, 0x0A72, 0x0A74, 0x0A85, 0x0A8B, 0x0A8D, 0x0A8F, 
            0x0A91, 0x0A93, 0x0AA8, 0x0AAA, 0x0AB0, 0x0AB2, 0x0AB3, 0x0AB5, 0x0AB9, 
            0x0ABD, 0x0AE0, 0x0B05, 0x0B0C, 0x0B0F, 0x0B10, 0x0B13, 0x0B28, 0x0B2A, 
            0x0B30, 0x0B32, 0x0B33, 0x0B36, 0x0B39, 0x0B3D, 0x0B5C, 0x0B5D, 0x0B5F, 
            0x0B61, 0x0B85, 0x0B8A, 0x0B8E, 0x0B90, 0x0B92, 0x0B95, 0x0B99, 0x0B9A, 
            0x0B9C, 0x0B9E, 0x0B9F, 0x0BA3, 0x0BA4, 0x0BA8, 0x0BAA, 0x0BAE, 0x0BB5, 
            0x0BB7, 0x0BB9, 0x0C05, 0x0C0C, 0x0C0E, 0x0C10, 0x0C12, 0x0C28, 0x0C2A, 
            0x0C33, 0x0C35, 0x0C39, 0x0C60, 0x0C61, 0x0C85, 0x0C8C, 0x0C8E, 0x0C90, 
            0x0C92, 0x0CA8, 0x0CAA, 0x0CB3, 0x0CB5, 0x0CB9, 0x0CDE, 0x0CE0, 0x0CE1, 
            0x0D05, 0x0D0C, 0x0D0E, 0x0D10, 0x0D12, 0x0D28, 0x0D2A, 0x0D39, 0x0D60, 
            0x0D61, 0x0E01, 0x0E2E, 0x0E30, 0x0E32, 0x0E33, 0x0E40, 0x0E45, 0x0E81, 
            0x0E82, 0x0E84, 0x0E87, 0x0E88, 0x0E8A, 0x0E8D, 0x0E94, 0x0E97, 0x0E99, 
            0x0E9F, 0x0EA1, 0x0EA3, 0x0EA5, 0x0EA7, 0x0EAA, 0x0EAB, 0x0EAD, 0x0EAE, 
            0x0EB0, 0x0EB2, 0x0EB3, 0x0EBD, 0x0EC0, 0x0EC4, 0x0F40, 0x0F47, 0x0F49, 
            0x0F69, 0x10A0, 0x10C5, 0x10D0, 0x10F6, 0x1100, 0x1102, 0x1103, 0x1105, 
            0x1107, 0x1109, 0x110B, 0x110C, 0x110E, 0x1112, 0x113C, 0x113E, 0x1140, 
            0x114C, 0x114E, 0x1150, 0x1154, 0x1155, 0x1159, 0x115F, 0x1161, 0x1163, 
            0x1165, 0x1167, 0x1169, 0x116D, 0x116E, 0x1172, 0x1173, 0x1175, 0x119E, 
            0x11A8, 0x11AB, 0x11AE, 0x11AF, 0x11B7, 0x11B8, 0x11BA, 0x11BC, 0x11C2, 
            0x11EB, 0x11F0, 0x11F9, 0x1E00, 0x1E9B, 0x1EA0, 0x1EF9, 0x1F00, 0x1F15, 
            0x1F18, 0x1F1D, 0x1F20, 0x1F45, 0x1F48, 0x1F4D, 0x1F50, 0x1F57, 0x1F59, 
            0x1F5B, 0x1F5D, 0x1F5F, 0x1F7D, 0x1F80, 0x1FB4, 0x1FB6, 0x1FBC, 0x1FBE, 
            0x1FC2, 0x1FC4, 0x1FC6, 0x1FCC, 0x1FD0, 0x1FD3, 0x1FD6, 0x1FDB, 0x1FE0, 
            0x1FEC, 0x1FF2, 0x1FF4, 0x1FF6, 0x1FFC, 0x2126, 0x212A, 0x212B, 0x212E, 
            0x2180, 0x2182, 0x3041, 0x3094, 0x30A1, 0x30FA, 0x3105, 0x312C, 0xAC00, 
            0xD7A2, 0xD7A3         
        };
        
    static char[] ideographics = new char[] {
            0x4E00, 0x9FA5, 0x3007, 0x3021, 0x3028, 0x3029
        };
        
    static char[] combiningChars = new char[] { 
            0x4E00, 0x0300, 0x0340, 0x0345, 0x0360, 0x0361, 0x0483, 0x0486, 0x0591, 
            0x05A1, 0x05A0, 0x05A3, 0x05B0, 0x05B9, 0x05BB, 0x05BD, 0x05BF, 0x05C1, 
            0x05C2, 0x05C4, 0x064B, 0x0652, 0x0670, 0x06D6, 0x06DC, 0x06DD, 0x06DF, 
            0x06E0, 0x06E4, 0x06E7, 0x06E8, 0x06EA, 0x06ED, 0x0901, 0x0903, 0x093C, 
            0x093E, 0x094C, 0x094D, 0x0951, 0x0954, 0x0962, 0x0963, 0x0981, 0x0983, 
            0x09BC, 0x09BE, 0x09BF, 0x09C0, 0x09C4, 0x09C7, 0x09C8, 0x09CB, 0x09CD, 
            0x09D7, 0x09E2, 0x09E3, 0x0A02, 0x0A3C, 0x0A3E, 0x0A3F, 0x0A40, 0x0A42, 
            0x0A47, 0x0A48, 0x0A4B, 0x0A4D, 0x0A70, 0x0A71, 0x0A81, 0x0A83, 0x0ABC, 
            0x0ABE, 0x0AC5, 0x0AC7, 0x0AC9, 0x0ACB, 0x0ACD, 0x0B01, 0x0B03, 0x0B3C, 
            0x0B3E, 0x0B43, 0x0B47, 0x0B48, 0x0B4B, 0x0B4D, 0x0B56, 0x0B57, 0x0B82, 
            0x0B83, 0x0BBE, 0x0BC2, 0x0BC6, 0x0BC8, 0x0BCA, 0x0BCD, 0x0BD7, 0x0C01, 
            0x0C03, 0x0C3E, 0x0C44, 0x0C46, 0x0C48, 0x0C4A, 0x0C4D, 0x0C55, 0x0C56, 
            0x0C82, 0x0C83, 0x0CBE, 0x0CC4, 0x0CC6, 0x0CC8, 0x0CCA, 0x0CCD, 0x0CD5, 
            0x0CD6, 0x0D02, 0x0D03, 0x0D3E, 0x0D43, 0x0D46, 0x0D48, 0x0D4A, 0x0D4D, 
            0x0D57, 0x0E31, 0x0E34, 0x0E3A, 0x0E47, 0x0E4E, 0x0EB1, 0x0EB4, 0x0EB9, 
            0x0EBB, 0x0EBC, 0x0EC8, 0x0ECD, 0x0F18, 0x0F19, 0x0F35, 0x0F37, 0x0F39, 
            0x0F3E, 0x0F3F, 0x0F71, 0x0F84, 0x0F86, 0x0F8B, 0x0F90, 0x0F95, 0x0F97, 
            0x0F99, 0x0FAD, 0x0FB1, 0x0FB7, 0x0FB9, 0x20D0, 0x20DC, 0x20E1, 0x302A, 
            0x302F, 0x3099, 0x309A };
        
    static char[] digits = new char[] {
            0x0030, 0x0039, 0x0660, 0x0669, 0x06F0, 0x06F9, 0x0966, 0x096F, 0x09E6, 
            0x09EF, 0x0A66, 0x0A6F, 0x0AE6, 0x0AEF, 0x0B66, 0x0B6F, 0x0BE7, 0x0BEF, 
            0x0C66, 0x0C6F, 0x0CE6, 0x0CEF, 0x0D66, 0x0D6F, 0x0E50, 0x0E59, 0x0ED0, 
            0x0ED9, 0x0F20, 0x0F28, 0x0F29
        };
        
    static char[] extenders = new char[] {
            0x00B7, 0x02D0, 0x02D1, 0x0387, 0x0640, 0x0E46, 0x0EC6, 0x3005, 0x3031, 
            0x3035, 0x309D, 0x309E, 0x30FC, 0x30FD, 0x30FE
        };

    public void testNCNamePattern() throws Exception {
        assertTrue(Utils.isValidNCName(String.valueOf(basechars)));
        assertTrue(Utils.isValidNCName(String.valueOf(ideographics)));
        
        assertTrue(Utils.isValidNCName("_"+String.valueOf(digits)));
        assertTrue(Utils.isValidNCName("_"+String.valueOf(combiningChars)));
        assertTrue(Utils.isValidNCName("_"+String.valueOf(extenders)));
        
        assertTrue(Utils.isValidNCName("ab_C1"));
        assertTrue(Utils.isValidNCName("_abC1"));
        assertTrue(Utils.isValidNCName("a.b.C1"));
        assertTrue(Utils.isValidNCName("a-b-C1"));
        
        assertFalse(Utils.isValidNCName("2ab_C1"));
        assertFalse(Utils.isValidNCName("ab:C1"));
        assertFalse(Utils.isValidNCName("ab!C1"));
        assertFalse(Utils.isValidNCName("ab@C1"));
        assertFalse(Utils.isValidNCName("ab#C1"));
        assertFalse(Utils.isValidNCName("ab$C1"));
        assertFalse(Utils.isValidNCName("ab%C1"));
        assertFalse(Utils.isValidNCName("ab^C1"));
        assertFalse(Utils.isValidNCName("ab&C1"));
        assertFalse(Utils.isValidNCName("ab*C1"));
        assertFalse(Utils.isValidNCName("ab(C1"));
        assertFalse(Utils.isValidNCName("ab)C1"));
        assertFalse(Utils.isValidNCName("ab+C1"));
        assertFalse(Utils.isValidNCName("ab=C1"));
        assertFalse(Utils.isValidNCName("ab C1"));
        assertFalse(Utils.isValidNCName("ab[C1"));
        assertFalse(Utils.isValidNCName("ab]C1"));
        assertFalse(Utils.isValidNCName("ab{C1"));
        assertFalse(Utils.isValidNCName("ab}C1"));
        assertFalse(Utils.isValidNCName("ab|C1"));
        assertFalse(Utils.isValidNCName("ab?C1"));
        assertFalse(Utils.isValidNCName("ab/C1"));
        assertFalse(Utils.isValidNCName("ab>C1"));
        assertFalse(Utils.isValidNCName("ab<C1"));
        assertFalse(Utils.isValidNCName("ab,C1"));
        assertFalse(Utils.isValidNCName("ab;C1"));
        assertFalse(Utils.isValidNCName("ab'C1"));
        assertFalse(Utils.isValidNCName("ab~C1"));
        assertFalse(Utils.isValidNCName("ab`C1"));
    }
    
    public void testThreadSafe() throws Exception {
        final int COUNT = 1000;
        final TestModel myModel = new TestModel();
        final TestComponent root = myModel.getRootComponent();
        assertEquals(3, root.getChildren().size());

        final Exception[] readerExc = { null };
        Thread reader = new Thread() {
            @Override
            public void run() {
                int size = 0;
                try {
                    do {
                        size = root.getChildren(B.class).size();
                    } while (size < COUNT);
                } catch (Exception e) {
                    readerExc[0] = e;
                }
            }
        };
        Thread writer = new Thread() {
            @Override
            public void run() {
                if (myModel.startTransaction()) {
                    try {
                        int i = 0;
                        while (++i <= COUNT) {
                            B b = new TestComponent.B(myModel, i);
                            myModel.addChildComponent(root, b, -1);
                        }
                    } finally {
                        myModel.endTransaction();
                    }
                }
            }
        };
        reader.start();
        writer.start();
        reader.join();
        writer.join();

        if (readerExc[0] != null) {
            throw readerExc[0];
        }
    }

    public void testThreadSafe2() throws Exception {
        final int COUNT = 1000;
        final TestModel myModel = new TestModel();
        final TestComponent root = myModel.getRootComponent();
        assertEquals(3, root.getChildren().size());

        final Exception[] readerExc = { null };
        Thread reader = new Thread() {
            @Override
            public void run() {
                try {
                    int size = 0;
                    do {
                        List<TestComponent> children = root.getChildren();
                        size = 0;
                        // Not calling List.size() because we really want to iterate.
                        for (TestComponent component : children) {
                            size++;
                        }
                   } while (size < COUNT);
                } catch (Exception e) {
                    readerExc[0] = e;
                }
            }
        };
        Thread writer = new Thread() {
            @Override
            public void run() {
                if (myModel.startTransaction()) {
                    try {
                        int i = 0;
                        while (++i <= COUNT) {
                            B b = new TestComponent.B(myModel, i);
                            myModel.addChildComponent(root, b, -1);
                        }
                    } finally {
                        myModel.endTransaction();
                    }
                }
            }
        };
        reader.start();
        writer.start();
        reader.join();
        writer.join();

        if (readerExc[0] != null) {
            throw readerExc[0];
       }
   }
}
    
