| /* |
| * Copyright 2000-2014 JetBrains s.r.o. |
| * |
| * 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.intellij.vcs.log.graph.utils; |
| |
| import com.intellij.vcs.log.graph.utils.Flags; |
| import com.intellij.vcs.log.graph.utils.impl.BitSetFlags; |
| import org.jetbrains.annotations.NotNull; |
| import org.junit.Test; |
| |
| import static junit.framework.TestCase.assertEquals; |
| |
| public class BitSetFlagsTest { |
| |
| private static char bitToChar(boolean bit) { |
| return bit ? '1' : '0'; |
| } |
| |
| private static String toStr(@NotNull Flags flags) { |
| StringBuilder s = new StringBuilder(); |
| for(int i = 0; i < flags.size(); i++) |
| s.append(bitToChar(flags.get(i))); |
| return s.toString(); |
| } |
| |
| @Test |
| public void initTest() { |
| BitSetFlags flags = new BitSetFlags(5); |
| assertEquals("00000", toStr(flags)); |
| assertEquals(5, flags.size()); |
| } |
| |
| @Test |
| public void setTest() { |
| BitSetFlags flags = new BitSetFlags(6); |
| assertEquals("000000", toStr(flags)); |
| |
| flags.set(0, true); |
| assertEquals("100000", toStr(flags)); |
| |
| flags.set(0, false); |
| assertEquals("000000", toStr(flags)); |
| |
| flags.set(4, true); |
| assertEquals("000010", toStr(flags)); |
| |
| flags.set(2, true); |
| assertEquals("001010", toStr(flags)); |
| } |
| |
| @Test |
| public void setAllTest() { |
| BitSetFlags flags = new BitSetFlags(6); |
| assertEquals("000000", toStr(flags)); |
| |
| flags.setAll(false); |
| assertEquals("000000", toStr(flags)); |
| |
| flags.setAll(true); |
| assertEquals("111111", toStr(flags)); |
| } |
| |
| @Test |
| public void size1Test() { |
| BitSetFlags flags = new BitSetFlags(1); |
| assertEquals("0", toStr(flags)); |
| assertEquals(1, flags.size()); |
| |
| flags.set(0, true); |
| assertEquals("1", toStr(flags)); |
| |
| flags.set(0, false); |
| assertEquals("0", toStr(flags)); |
| |
| flags.setAll(true); |
| assertEquals("1", toStr(flags)); |
| } |
| |
| @Test |
| public void emptyFlagsTest() { |
| BitSetFlags flags = new BitSetFlags(0); |
| assertEquals(0, flags.size()); |
| flags.setAll(true); |
| assertEquals(0, flags.size()); |
| } |
| } |