/**
* 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.waveprotocol.wave.client.paging;
import junit.framework.TestCase;
import org.waveprotocol.wave.client.paging.FakeBlock.Dimensions;
import org.waveprotocol.wave.client.paging.Traverser.MoveablePoint;
import org.waveprotocol.wave.client.paging.Traverser.Point;
import org.waveprotocol.wave.client.paging.Traverser.SimplePoint;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
/**
* Tests for {@link MoveablePoint}.
*
*/
public final class PointTest extends TestCase {
private FakeBlock root;
@Override
protected void setUp() {
root = FakeBlock.root().create("a", Dimensions.zero());
}
private FakeBlock appendChild(FakeBlock parent, String name) {
return parent.append().create(name, Dimensions.zero());
}
private List<Point> buildComplex() {
// A
// / \
// B H
// / \ \
// C D I
// /|\
// E F G
//
FakeBlock a = root;
FakeBlock b = appendChild(a, "b");
FakeBlock c = appendChild(b, "c");
FakeBlock d = appendChild(b, "d");
FakeBlock e = appendChild(d, "e");
FakeBlock f = appendChild(d, "f");
FakeBlock g = appendChild(d, "g");
FakeBlock h = appendChild(a, "h");
FakeBlock i = appendChild(h, "i");
// Expected point ordering.
return Arrays.<Point>asList(
SimplePoint.startOf(a),
SimplePoint.startOf(b),
SimplePoint.startOf(c),
SimplePoint.endOf(c),
SimplePoint.startOf(d),
SimplePoint.startOf(e),
SimplePoint.endOf(e),
SimplePoint.startOf(f),
SimplePoint.endOf(f),
SimplePoint.startOf(g),
SimplePoint.endOf(g),
SimplePoint.endOf(d),
SimplePoint.endOf(b),
SimplePoint.startOf(h),
SimplePoint.startOf(i),
SimplePoint.endOf(i),
SimplePoint.endOf(h),
SimplePoint.endOf(a));
}
//
// Movement.
//
public void testComplexNext() {
List<Point> expected = buildComplex();
List<Point> actual = new ArrayList<Point>();
MoveablePoint point = SimpleMoveablePoint.startOf(root);
actual.add(SimplePoint.at(point));
while (point.hasNext()) {
point.next();
actual.add(SimplePoint.at(point));
}
assertEquals(expected, actual);
}
public void testComplexPrevious() {
List<Point> expected = buildComplex();
Collections.reverse(expected);
List<Point> actual = new ArrayList<Point>();
MoveablePoint point = SimpleMoveablePoint.endOf(root);
actual.add(SimplePoint.at(point));
while (point.hasPrevious()) {
point.previous();
actual.add(SimplePoint.at(point));
}
assertEquals(expected, actual);
}
//
// Comparison.
//
public void testAllCompares() {
Point [] points = buildComplex().toArray(new Point [] {});
for (int i = 0; i < points.length; i++) {
for (int j = 0; j < points.length; j++) {
assertEquals(new Integer(i).compareTo(new Integer(j)), points[i].compareTo(points[j]));
}
}
}
}