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/*
* DSI utilities
*
* Copyright (C) 2010-2023 Sebastiano Vigna
*
* This program and the accompanying materials are made available under the
* terms of the GNU Lesser General Public License v2.1 or later,
* which is available at
* http://www.gnu.org/licenses/old-licenses/lgpl-2.1-standalone.html,
* or the Apache Software License 2.0, which is available at
* https://www.apache.org/licenses/LICENSE-2.0.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE.
*
* SPDX-License-Identifier: LGPL-2.1-or-later OR Apache-2.0
*/
package it.unimi.dsi.bits;
import static org.junit.Assert.assertEquals;
import org.junit.Test;
public class RawUtf32TransformationStrategyTest {
@Test
public void testGetLong() {
String s = new String(new char[] { '\u0001', '\u0002' });
assertEquals(64, TransformationStrategies.rawUtf32().toBitVector(s).length());
assertEquals(0x200000001L, TransformationStrategies.rawUtf32().toBitVector(s).getLong(0, 64));
s = new String(new char[] { '\u0001', '\u0002', '\u0003' });
assertEquals(96, TransformationStrategies.rawUtf32().toBitVector(s).length());
assertEquals(0x300000002L, TransformationStrategies.rawUtf32().toBitVector(s).getLong(32, 96));
s = new String(new char[] { '\u0001', '\u0002', '\u0003', '\u0004' });
assertEquals(128, TransformationStrategies.rawUtf32().toBitVector(s).length());
assertEquals(0x200000001L, TransformationStrategies.rawUtf32().toBitVector(s).getLong(0, 64));
assertEquals(0x400000003L, TransformationStrategies.rawUtf32().toBitVector(s).getLong(64, 128));
s = new String(new char[] { '\u0001', '\u0002', '\u0003', '\u0004' });
s = new String(new char[] { '\uD800', '\uDC00' });
assertEquals(32, TransformationStrategies.rawUtf32().length(s));
assertEquals(0x10000, TransformationStrategies.rawUtf32().toBitVector(s).getLong(0, 32));
}
}
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