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MaskedFlagTest.java
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69 lines (57 loc) · 2.5 KB
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/*
* Copyright © 2016-2025 The LmdbJava 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 org.lmdbjava;
import static org.hamcrest.CoreMatchers.is;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.arrayWithSize;
import static org.lmdbjava.EnvFlags.MDB_FIXEDMAP;
import static org.lmdbjava.EnvFlags.MDB_NOSYNC;
import static org.lmdbjava.EnvFlags.MDB_RDONLY_ENV;
import static org.lmdbjava.MaskedFlag.isSet;
import static org.lmdbjava.MaskedFlag.mask;
import org.junit.Test;
/** Test {@link MaskedFlag}. */
public final class MaskedFlagTest {
@Test
public void isSetOperates() {
assertThat(isSet(0, MDB_NOSYNC), is(false));
assertThat(isSet(0, MDB_FIXEDMAP), is(false));
assertThat(isSet(0, MDB_RDONLY_ENV), is(false));
assertThat(isSet(MDB_FIXEDMAP.getMask(), MDB_NOSYNC), is(false));
assertThat(isSet(MDB_FIXEDMAP.getMask(), MDB_FIXEDMAP), is(true));
assertThat(isSet(MDB_FIXEDMAP.getMask(), MDB_RDONLY_ENV), is(false));
assertThat(isSet(MDB_NOSYNC.getMask(), MDB_NOSYNC), is(true));
assertThat(isSet(MDB_NOSYNC.getMask(), MDB_FIXEDMAP), is(false));
assertThat(isSet(MDB_NOSYNC.getMask(), MDB_RDONLY_ENV), is(false));
final int syncFixed = mask(MDB_NOSYNC, MDB_FIXEDMAP);
assertThat(isSet(syncFixed, MDB_NOSYNC), is(true));
assertThat(isSet(syncFixed, MDB_FIXEDMAP), is(true));
assertThat(isSet(syncFixed, MDB_RDONLY_ENV), is(false));
}
@Test
public void masking() {
final EnvFlags[] nullFlags = null;
assertThat(mask(nullFlags), is(0));
final EnvFlags[] emptyFlags = new EnvFlags[] {};
assertThat(mask(emptyFlags), is(0));
final EnvFlags[] nullElementZero = new EnvFlags[] {null};
assertThat(nullElementZero, is(arrayWithSize(1)));
assertThat(mask(nullElementZero), is(0));
assertThat(mask(MDB_NOSYNC), is(MDB_NOSYNC.getMask()));
final int expected = MDB_NOSYNC.getMask() + MDB_FIXEDMAP.getMask();
assertThat(mask(MDB_NOSYNC, MDB_FIXEDMAP), is(expected));
}
}