| /* |
| * Copyright (C) 2013 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.internal.util; |
| |
| import android.test.MoreAsserts; |
| |
| import java.util.Arrays; |
| import junit.framework.TestCase; |
| |
| /** |
| * Tests for {@link ArrayUtils} |
| */ |
| public class ArrayUtilsTest extends TestCase { |
| public void testContains() throws Exception { |
| final Object A = new Object(); |
| final Object B = new Object(); |
| final Object C = new Object(); |
| final Object D = new Object(); |
| |
| assertTrue(ArrayUtils.contains(new Object[] { A, B, C }, A)); |
| assertTrue(ArrayUtils.contains(new Object[] { A, B, C }, B)); |
| assertTrue(ArrayUtils.contains(new Object[] { A, B, C }, C)); |
| assertTrue(ArrayUtils.contains(new Object[] { A, null, C }, null)); |
| |
| assertFalse(ArrayUtils.contains(new Object[] { A, B, C }, null)); |
| assertFalse(ArrayUtils.contains(new Object[] { }, null)); |
| assertFalse(ArrayUtils.contains(new Object[] { null }, A)); |
| } |
| |
| public void testIndexOf() throws Exception { |
| final Object A = new Object(); |
| final Object B = new Object(); |
| final Object C = new Object(); |
| final Object D = new Object(); |
| |
| assertEquals(0, ArrayUtils.indexOf(new Object[] { A, B, C }, A)); |
| assertEquals(1, ArrayUtils.indexOf(new Object[] { A, B, C }, B)); |
| assertEquals(2, ArrayUtils.indexOf(new Object[] { A, B, C }, C)); |
| assertEquals(-1, ArrayUtils.indexOf(new Object[] { A, B, C }, D)); |
| |
| assertEquals(-1, ArrayUtils.indexOf(new Object[] { A, B, C }, null)); |
| assertEquals(-1, ArrayUtils.indexOf(new Object[] { }, A)); |
| assertEquals(-1, ArrayUtils.indexOf(new Object[] { }, null)); |
| |
| assertEquals(0, ArrayUtils.indexOf(new Object[] { null, null }, null)); |
| assertEquals(1, ArrayUtils.indexOf(new Object[] { A, null, B }, null)); |
| assertEquals(2, ArrayUtils.indexOf(new Object[] { A, null, B }, B)); |
| } |
| |
| public void testContainsAll() throws Exception { |
| final Object A = new Object(); |
| final Object B = new Object(); |
| final Object C = new Object(); |
| |
| assertTrue(ArrayUtils.containsAll(new Object[] { C, B, A }, new Object[] { A, B, C })); |
| assertTrue(ArrayUtils.containsAll(new Object[] { A, B }, new Object[] { A })); |
| assertTrue(ArrayUtils.containsAll(new Object[] { A }, new Object[] { A })); |
| assertTrue(ArrayUtils.containsAll(new Object[] { A }, new Object[] { })); |
| assertTrue(ArrayUtils.containsAll(new Object[] { }, new Object[] { })); |
| assertTrue(ArrayUtils.containsAll(new Object[] { null }, new Object[] { })); |
| assertTrue(ArrayUtils.containsAll(new Object[] { null }, new Object[] { null })); |
| assertTrue(ArrayUtils.containsAll(new Object[] { A, null, C }, new Object[] { C, null })); |
| |
| assertFalse(ArrayUtils.containsAll(new Object[] { }, new Object[] { A })); |
| assertFalse(ArrayUtils.containsAll(new Object[] { B }, new Object[] { A })); |
| assertFalse(ArrayUtils.containsAll(new Object[] { }, new Object[] { null })); |
| assertFalse(ArrayUtils.containsAll(new Object[] { A }, new Object[] { null })); |
| } |
| |
| public void testContainsInt() throws Exception { |
| assertTrue(ArrayUtils.contains(new int[] { 1, 2, 3 }, 1)); |
| assertTrue(ArrayUtils.contains(new int[] { 1, 2, 3 }, 2)); |
| assertTrue(ArrayUtils.contains(new int[] { 1, 2, 3 }, 3)); |
| |
| assertFalse(ArrayUtils.contains(new int[] { 1, 2, 3 }, 0)); |
| assertFalse(ArrayUtils.contains(new int[] { 1, 2, 3 }, 4)); |
| assertFalse(ArrayUtils.contains(new int[] { }, 2)); |
| } |
| |
| public void testAppendInt() throws Exception { |
| MoreAsserts.assertEquals(new int[] { 1 }, |
| ArrayUtils.appendInt(null, 1)); |
| MoreAsserts.assertEquals(new int[] { 1 }, |
| ArrayUtils.appendInt(new int[] { }, 1)); |
| MoreAsserts.assertEquals(new int[] { 1, 2 }, |
| ArrayUtils.appendInt(new int[] { 1 }, 2)); |
| MoreAsserts.assertEquals(new int[] { 1, 2 }, |
| ArrayUtils.appendInt(new int[] { 1, 2 }, 1)); |
| } |
| |
| public void testRemoveInt() throws Exception { |
| assertNull(ArrayUtils.removeInt(null, 1)); |
| MoreAsserts.assertEquals(new int[] { }, |
| ArrayUtils.removeInt(new int[] { }, 1)); |
| MoreAsserts.assertEquals(new int[] { 1, 2, 3, }, |
| ArrayUtils.removeInt(new int[] { 1, 2, 3}, 4)); |
| MoreAsserts.assertEquals(new int[] { 2, 3, }, |
| ArrayUtils.removeInt(new int[] { 1, 2, 3}, 1)); |
| MoreAsserts.assertEquals(new int[] { 1, 3, }, |
| ArrayUtils.removeInt(new int[] { 1, 2, 3}, 2)); |
| MoreAsserts.assertEquals(new int[] { 1, 2, }, |
| ArrayUtils.removeInt(new int[] { 1, 2, 3}, 3)); |
| MoreAsserts.assertEquals(new int[] { 2, 3, 1 }, |
| ArrayUtils.removeInt(new int[] { 1, 2, 3, 1 }, 1)); |
| } |
| |
| public void testContainsLong() throws Exception { |
| assertTrue(ArrayUtils.contains(new long[] { 1, 2, 3 }, 1)); |
| assertTrue(ArrayUtils.contains(new long[] { 1, 2, 3 }, 2)); |
| assertTrue(ArrayUtils.contains(new long[] { 1, 2, 3 }, 3)); |
| |
| assertFalse(ArrayUtils.contains(new long[] { 1, 2, 3 }, 0)); |
| assertFalse(ArrayUtils.contains(new long[] { 1, 2, 3 }, 4)); |
| assertFalse(ArrayUtils.contains(new long[] { }, 2)); |
| } |
| |
| public void testAppendLong() throws Exception { |
| MoreAsserts.assertEquals(new long[] { 1 }, |
| ArrayUtils.appendLong(null, 1)); |
| MoreAsserts.assertEquals(new long[] { 1 }, |
| ArrayUtils.appendLong(new long[] { }, 1)); |
| MoreAsserts.assertEquals(new long[] { 1, 2 }, |
| ArrayUtils.appendLong(new long[] { 1 }, 2)); |
| MoreAsserts.assertEquals(new long[] { 1, 2 }, |
| ArrayUtils.appendLong(new long[] { 1, 2 }, 1)); |
| } |
| |
| public void testRemoveLong() throws Exception { |
| assertNull(ArrayUtils.removeLong(null, 1)); |
| MoreAsserts.assertEquals(new long[] { }, |
| ArrayUtils.removeLong(new long[] { }, 1)); |
| MoreAsserts.assertEquals(new long[] { 1, 2, 3, }, |
| ArrayUtils.removeLong(new long[] { 1, 2, 3}, 4)); |
| MoreAsserts.assertEquals(new long[] { 2, 3, }, |
| ArrayUtils.removeLong(new long[] { 1, 2, 3}, 1)); |
| MoreAsserts.assertEquals(new long[] { 1, 3, }, |
| ArrayUtils.removeLong(new long[] { 1, 2, 3}, 2)); |
| MoreAsserts.assertEquals(new long[] { 1, 2, }, |
| ArrayUtils.removeLong(new long[] { 1, 2, 3}, 3)); |
| MoreAsserts.assertEquals(new long[] { 2, 3, 1 }, |
| ArrayUtils.removeLong(new long[] { 1, 2, 3, 1 }, 1)); |
| } |
| |
| } |