/* This file is part of VoltDB.
* Copyright (C) 2008-2017 VoltDB Inc.
*
* This file contains original code and/or modifications of original code.
* Any modifications made by VoltDB Inc. are licensed under the following
* terms and conditions:
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
/*
* Copyright (C) 2012 Clearspring Technologies, Inc.
*
* 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.
*/
/* This code was originally sourced from https://github.com/addthis/stream-lib
in December 2014. */
package org.voltdb_hll;
import static org.junit.Assert.assertEquals;
import org.junit.Test;
public class TestRegisterSet {
@Test
public void testBits() {
final int RS_COUNT = 33;
RegisterSet rs = new RegisterSet(RS_COUNT);
for (int i = 0; i < RS_COUNT * RegisterSet.REGISTER_SIZE; i++) {
System.out.printf("%d\n", i);
System.out.flush();
rs.setBit(i, i % 2);
for (int j = 0; j <= i; j++) {
assertEquals(j % 2, rs.getBit(j));
}
}
for (int i = 0; i < RS_COUNT * RegisterSet.REGISTER_SIZE; i++) {
System.out.printf("%d\n", i);
System.out.flush();
rs.setBit(i, (i % 2) == 0 ? 1 : 0);
for (int j = 0; j <= i; j++) {
assertEquals((j % 2) == 0 ? 1 : 0, rs.getBit(j));
}
}
}
@Test
public void testBasic() {
final int RS_COUNT = 128;
RegisterSet rs = new RegisterSet(RS_COUNT);
for (int i = 0; i < RS_COUNT; i++) {
System.out.printf("%d\n", i);
System.out.flush();
rs.set(i, i % 32);
for (int j = 0; j <= i; j++) {
assertEquals(j % 32, rs.get(j));
}
}
}
@Test
public void testUpdateIfGreater() {
final int RS_COUNT = 128;
RegisterSet rs = new RegisterSet(RS_COUNT);
// set all ones
for (int i = 0; i < RS_COUNT; i++) {
rs.set(i, 1);
}
// update every other to 5s
for (int i = 0; i < RS_COUNT; i++) {
if (i % 2 == 0) {
rs.set(i, 5);
}
}
// update all to 3s if greater
for (int i = 0; i < RS_COUNT; i++) {
rs.updateIfGreater(i, 3);
}
// verify all 3s and 5s
for (int i = 0; i < RS_COUNT; i++) {
if (i % 2 == 0) {
assertEquals(5, rs.get(i));
}
else {
assertEquals(3, rs.get(i));
}
}
}
}