| /* |
| * Copyright (C) 2011 The Android Open Source Project |
| * |
| * Licensed 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 com.android.tools.lint.detector.api; |
| |
| import junit.framework.TestCase; |
| |
| import java.io.File; |
| import java.io.IOException; |
| |
| @SuppressWarnings("javadoc") |
| public class LocationTest extends TestCase { |
| public void testReverse() throws IOException { |
| File file1 = new File("parent/location1"); |
| File file2 = new File("parent/location2"); |
| File file3 = new File("parent/location3"); |
| File file4 = new File("parent/location4"); |
| |
| Location location1 = Location.create(file1); |
| Location location2 = Location.create(file2); |
| Location location3 = Location.create(file3); |
| Location location4 = Location.create(file4); |
| |
| // 1-element location list |
| assertSame(location1, Location.reverse(location1)); |
| assertFalse(containsCycle(location1)); |
| |
| // 2-element location list |
| location1.setSecondary(location2); |
| assertSame(location2, Location.reverse(location1)); |
| assertFalse(containsCycle(location2)); |
| assertSame(location1, location2.getSecondary()); |
| |
| // 3-element location list |
| location1.setSecondary(location2); |
| location2.setSecondary(location3); |
| assertSame(location3, Location.reverse(location1)); |
| assertFalse(containsCycle(location3)); |
| assertSame(location2, location3.getSecondary()); |
| assertSame(location1, location2.getSecondary()); |
| |
| // 4-element location list |
| location1.setSecondary(location2); |
| location2.setSecondary(location3); |
| location3.setSecondary(location4); |
| assertSame(location4, Location.reverse(location1)); |
| assertFalse(containsCycle(location4)); |
| assertSame(location3, location4.getSecondary()); |
| assertSame(location2, location3.getSecondary()); |
| assertSame(location1, location2.getSecondary()); |
| } |
| |
| public void testFaen() throws Exception { |
| File[] paths = new File[] { |
| new File("values-zh-rTW/arrays.xml"), new File("values-zh-rCN/arrays.xml"), |
| new File("values-vi/arrays.xml"), new File("values-uk/arrays.xml"), |
| new File("values-tr/arrays.xml"), new File("values-tl/arrays.xml"), |
| new File("values-th/arrays.xml"), new File("values-sv/arrays.xml"), |
| new File("values-sr/arrays.xml"), new File("values-sl/arrays.xml"), |
| new File("values-sk/arrays.xml"), new File("values-ru/arrays.xml"), |
| new File("values-ro/arrays.xml"), new File("values-rm/arrays.xml"), |
| new File("values-pt-rPT/arrays.xml"), new File("values-pt/arrays.xml"), |
| new File("values-pl/arrays.xml"), new File("values-nl/arrays.xml"), |
| new File("values-nb/arrays.xml"), new File("values-lv/arrays.xml"), |
| new File("values-lt/arrays.xml"), new File("values-ko/arrays.xml"), |
| new File("values-ja/arrays.xml"), new File("values-iw/arrays.xml"), |
| new File("values-it/arrays.xml"), new File("values-in/arrays.xml"), |
| new File("values-hu/arrays.xml"), new File("values-hr/arrays.xml"), |
| new File("values-fr/arrays.xml"), new File("values-fi/arrays.xml"), |
| new File("values-fa/arrays.xml"), new File("values-es-rUS/arrays.xml"), |
| new File("values-es/arrays.xml"), new File("values-en-rGB/arrays.xml"), |
| new File("values-el/arrays.xml"), new File("values-de/arrays.xml"), |
| new File("values-da/arrays.xml"), new File("values-cs/arrays.xml"), |
| new File("values-ca/arrays.xml"), new File("values-bg/arrays.xml"), |
| new File("values-ar/arrays.xml"), new File("values/arrays.xml") |
| }; |
| |
| Location last = null; |
| for (int i = paths.length - 1; i >= 0; i--) { |
| Location location = Location.create(paths[i]); |
| location.setSecondary(last); |
| last = location; |
| } |
| |
| assertFalse(containsCycle(last)); |
| Location.reverse(last); |
| assertFalse(containsCycle(last)); |
| } |
| |
| private static boolean containsCycle(Location location) { |
| // Make sure there's no cycle: iterate |
| Location a = location; |
| Location b = location; |
| |
| while (true) { |
| b = b.getSecondary(); |
| if (b == null) { |
| // OK! Found list end |
| return false; |
| } |
| if (b == a) { |
| return true; |
| } |
| b = b.getSecondary(); |
| if (b == null) { |
| // OK! Found list end |
| return false; |
| } |
| if (b == a) { |
| return true; |
| } |
| |
| a = a.getSecondary(); |
| assert a != null; |
| } |
| } |
| } |