1 /* 2 * Copyright (C) 2015 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package android.databinding.tool.writer; 18 19 import org.junit.Test; 20 21 import java.util.BitSet; 22 23 import static org.junit.Assert.assertEquals; 24 25 public class FlagSetTest { 26 @Test 27 public void testSimple1Level() { 28 BitSet bs = new BitSet(); 29 bs.set(7); 30 FlagSet flagSet = new FlagSet(bs, 3); 31 assertEquals(3, flagSet.buckets.length); 32 assertEquals(1 << 7, flagSet.buckets[0]); 33 assertEquals(0, flagSet.buckets[1]); 34 assertEquals(0, flagSet.buckets[2]); 35 } 36 37 @Test 38 public void testSimple2Level() { 39 BitSet bs = new BitSet(); 40 bs.set(FlagSet.sBucketSize + 2); 41 FlagSet flagSet = new FlagSet(bs, 3); 42 assertEquals(3, flagSet.buckets.length); 43 assertEquals(0, flagSet.buckets[0]); 44 assertEquals(1 << 2, flagSet.buckets[1]); 45 assertEquals(0, flagSet.buckets[2]); 46 } 47 48 @Test 49 public void testSimple3Level() { 50 BitSet bs = new BitSet(); 51 bs.set(5); 52 bs.set(FlagSet.sBucketSize + 2); 53 bs.set(FlagSet.sBucketSize * 2 + 10); 54 FlagSet flagSet = new FlagSet(bs, 3); 55 assertEquals(3, flagSet.buckets.length); 56 assertEquals(1 << 5, flagSet.buckets[0]); 57 assertEquals(1 << 2, flagSet.buckets[1]); 58 assertEquals(1 << 10, flagSet.buckets[2]); 59 } 60 61 @Test 62 public void testLargeValue() { 63 BitSet bs = new BitSet(); 64 bs.set(43); 65 FlagSet flagSet = new FlagSet(bs, 1); 66 assertEquals(1, flagSet.buckets.length); 67 assertEquals(1L << 43, flagSet.buckets[0]); 68 } 69 } 70
