/*
 * Copyright (c) 2012, 2013, 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.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * 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.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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package com.sun.javafx.collections;

import java.util.Arrays;
import javafx.collections.FXCollections;
import javafx.collections.ListChangeListener.Change;
import javafx.collections.ObservableList;
import org.junit.Before;
import org.junit.Test;
import static org.junit.Assert.*;

public class NonIterableChangeTest {

    ObservableList<String> list;

    @Before
    public void setUp() {
        list = FXCollections.observableArrayList("a", "b", "c", "d", "e");
    }

    @Test
    public void testSimpleAdd() {
        Change<String> change = new NonIterableChange.SimpleAddChange<String>(0, 1, list);

        assertTrue(change.next());

        assertTrue(change.wasAdded());
        assertFalse(change.wasRemoved());
        assertFalse(change.wasReplaced());
        assertFalse(change.wasUpdated());
        assertFalse(change.wasPermutated());
        assertEquals(0, change.getFrom());
        assertEquals(1, change.getTo());
        assertEquals(1, change.getAddedSize());
        assertEquals(Arrays.asList("a"), change.getAddedSubList());
        assertEquals(0, change.getRemovedSize());
        assertEquals(Arrays.asList(), change.getRemoved());
        assertNotNull(change.toString());

        assertFalse(change.next());
    }

    @Test
    public void testSimpleRemove() {
        Change<String> change = new NonIterableChange.SimpleRemovedChange<String>(0, 0, "a0", list);

        assertTrue(change.next());

        assertFalse(change.wasAdded());
        assertTrue(change.wasRemoved());
        assertFalse(change.wasReplaced());
        assertFalse(change.wasUpdated());
        assertFalse(change.wasPermutated());
        assertEquals(0, change.getFrom());
        assertEquals(0, change.getTo());
        assertEquals(0, change.getAddedSize());
        assertEquals(Arrays.asList(), change.getAddedSubList());
        assertEquals(1, change.getRemovedSize());
        assertEquals(Arrays.asList("a0"), change.getRemoved());
        assertNotNull(change.toString());

        assertFalse(change.next());
    }

    @Test
    public void testSimpleUpdate() {
        Change<String> change = new NonIterableChange.SimpleUpdateChange<String>(0, 1, list);

        assertTrue(change.next());

        assertFalse(change.wasAdded());
        assertFalse(change.wasRemoved());
        assertFalse(change.wasReplaced());
        assertTrue(change.wasUpdated());
        assertFalse(change.wasPermutated());
        assertEquals(0, change.getFrom());
        assertEquals(1, change.getTo());
        assertEquals(0, change.getAddedSize());
        assertEquals(Arrays.asList(), change.getAddedSubList());
        assertEquals(0, change.getRemovedSize());
        assertEquals(Arrays.asList(), change.getRemoved());
        assertNotNull(change.toString());

        assertFalse(change.next());
    }

    @Test
    public void testSimplePermutation() {
        Change<String> change = new NonIterableChange.SimplePermutationChange<String>(0, 2, new int[] {1, 0}, list);

        assertTrue(change.next());

        assertFalse(change.wasAdded());
        assertFalse(change.wasRemoved());
        assertFalse(change.wasReplaced());
        assertFalse(change.wasUpdated());
        assertTrue(change.wasPermutated());
        assertEquals(0, change.getFrom());
        assertEquals(1, change.getPermutation(0));
        assertEquals(0, change.getPermutation(1));
        assertEquals(2, change.getTo());
        assertEquals(0, change.getAddedSize());
        assertEquals(Arrays.asList(), change.getAddedSubList());
        assertEquals(0, change.getRemovedSize());
        assertEquals(Arrays.asList(), change.getRemoved());
        assertNotNull(change.toString());

        assertFalse(change.next());
    }

}
