11d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert/* 21d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * Copyright (C) 2008 The Guava Authors 31d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * 41d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * Licensed under the Apache License, Version 2.0 (the "License"); 51d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * you may not use this file except in compliance with the License. 61d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * You may obtain a copy of the License at 71d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * 81d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * http://www.apache.org/licenses/LICENSE-2.0 91d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * 101d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * Unless required by applicable law or agreed to in writing, software 111d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * distributed under the License is distributed on an "AS IS" BASIS, 121d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 131d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * See the License for the specific language governing permissions and 141d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * limitations under the License. 151d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert */ 161d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 171d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertpackage com.google.common.primitives; 181d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 191d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertimport static com.google.common.base.Preconditions.checkNotNull; 201d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 211d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertimport com.google.common.annotations.GwtCompatible; 221d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertimport com.google.common.collect.ImmutableList; 231d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertimport com.google.common.collect.testing.ListTestSuiteBuilder; 241d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertimport com.google.common.collect.testing.SampleElements; 251d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertimport com.google.common.collect.testing.TestListGenerator; 261d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertimport com.google.common.collect.testing.features.CollectionFeature; 271d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertimport com.google.common.collect.testing.features.CollectionSize; 281d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertimport com.google.common.collect.testing.features.ListFeature; 291d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 301d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertimport junit.framework.Test; 311d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertimport junit.framework.TestCase; 321d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertimport junit.framework.TestSuite; 331d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 341d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertimport java.util.List; 351d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 361d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert/** 371d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * Test suite covering {@link Ints#asList(int[])}. 381d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * 391d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * @author Kevin Bourrillion 401d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert */ 411d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert@GwtCompatible 421d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert@SuppressWarnings("cast") // redundant casts are intentional and harmless 431d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertpublic class IntArrayAsListTest extends TestCase { 441d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 451d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert private static List<Integer> asList(Integer[] values) { 461d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert int[] temp = new int[values.length]; 471d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert for (int i = 0; i < values.length; i++) { 481d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert temp[i] = checkNotNull(values[i]); // checkNotNull for GWT (do not optimize). 491d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 501d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert return Ints.asList(temp); 511d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 521d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 531d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert public static Test suite() { 541d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert List<ListTestSuiteBuilder<Integer>> builders = 551d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert ImmutableList.of( 561d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert ListTestSuiteBuilder.using(new IntsAsListGenerator()) 571d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert .named("Ints.asList"), 581d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 591d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert ListTestSuiteBuilder.using(new IntsAsListHeadSubListGenerator()) 601d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert .named("Ints.asList, head subList"), 611d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 621d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert ListTestSuiteBuilder.using(new IntsAsListTailSubListGenerator()) 631d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert .named("Ints.asList, tail subList"), 641d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 651d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert ListTestSuiteBuilder.using(new IntsAsListMiddleSubListGenerator()) 661d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert .named("Ints.asList, middle subList") 671d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert ); 681d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 691d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert TestSuite suite = new TestSuite(); 701d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert for (ListTestSuiteBuilder<Integer> builder : builders) { 711d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert suite.addTest( 721d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert builder 731d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert .withFeatures(CollectionSize.ONE, 741d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert CollectionSize.SEVERAL, 751d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert CollectionFeature.RESTRICTS_ELEMENTS, 761d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert ListFeature.SUPPORTS_SET) 771d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert .createTestSuite()); 781d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 791d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert return suite; 801d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 811d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 821d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert // Test generators. To let the GWT test suite generator access them, they need to be 831d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert // public named classes with a public default constructor. 841d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 851d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert public static final class IntsAsListGenerator extends TestIntegerListGenerator { 861d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert @Override protected List<Integer> create(Integer[] elements) { 871d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert return asList(elements); 881d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 891d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 901d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 911d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert public static final class IntsAsListHeadSubListGenerator extends TestIntegerListGenerator { 921d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert @Override protected List<Integer> create(Integer[] elements) { 931d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert Integer[] suffix = {Integer.MIN_VALUE, Integer.MAX_VALUE}; 941d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert Integer[] all = concat(elements, suffix); 951d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert return asList(all).subList(0, elements.length); 961d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 971d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 981d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 991d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert public static final class IntsAsListTailSubListGenerator extends TestIntegerListGenerator { 1001d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert @Override protected List<Integer> create(Integer[] elements) { 1011d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert Integer[] prefix = {(int) 86, (int) 99}; 1021d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert Integer[] all = concat(prefix, elements); 1031d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert return asList(all).subList(2, elements.length + 2); 1041d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 1051d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 1061d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 1071d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert public static final class IntsAsListMiddleSubListGenerator extends TestIntegerListGenerator { 1081d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert @Override protected List<Integer> create(Integer[] elements) { 1091d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert Integer[] prefix = {Integer.MIN_VALUE, Integer.MAX_VALUE}; 1101d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert Integer[] suffix = {(int) 86, (int) 99}; 1111d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert Integer[] all = concat(concat(prefix, elements), suffix); 1121d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert return asList(all).subList(2, elements.length + 2); 1131d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 1141d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 1151d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 1161d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert private static Integer[] concat(Integer[] left, Integer[] right) { 1171d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert Integer[] result = new Integer[left.length + right.length]; 1181d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert System.arraycopy(left, 0, result, 0, left.length); 1191d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert System.arraycopy(right, 0, result, left.length, right.length); 1201d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert return result; 1211d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 1221d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 1231d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert public static abstract class TestIntegerListGenerator 1241d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert implements TestListGenerator<Integer> { 1251d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert @Override 1261d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert public SampleElements<Integer> samples() { 1271d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert return new SampleIntegers(); 1281d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 1291d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 1301d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert @Override 1311d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert public List<Integer> create(Object... elements) { 1321d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert Integer[] array = new Integer[elements.length]; 1331d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert int i = 0; 1341d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert for (Object e : elements) { 1351d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert array[i++] = (Integer) e; 1361d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 1371d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert return create(array); 1381d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 1391d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 1401d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert /** 1411d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * Creates a new collection containing the given elements; implement this 1421d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * method instead of {@link #create(Object...)}. 1431d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert */ 1441d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert protected abstract List<Integer> create(Integer[] elements); 1451d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 1461d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert @Override public Integer[] createArray(int length) { 1471d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert return new Integer[length]; 1481d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 1491d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 1501d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert /** Returns the original element list, unchanged. */ 1511d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert @Override 1521d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert public List<Integer> order(List<Integer> insertionOrder) { 1531d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert return insertionOrder; 1541d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 1551d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 1561d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 1571d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert public static class SampleIntegers extends SampleElements<Integer> { 1581d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert public SampleIntegers() { 1591d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert super((int) 0, (int) 1, (int) 2, (int) 3, (int) 4); 1601d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 1611d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 1621d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert} 163