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/*-
* #%L
* LmdbJava
* %%
* Copyright (C) 2016 - 2023 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.
* #L%
*/
package org.lmdbjava;
import static java.lang.Integer.MAX_VALUE;
import static org.hamcrest.CoreMatchers.containsString;
import static org.hamcrest.CoreMatchers.is;
import static org.hamcrest.CoreMatchers.notNullValue;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.hasSize;
import static org.junit.Assert.fail;
import static org.lmdbjava.Cursor.FullException.MDB_CURSOR_FULL;
import static org.lmdbjava.ResultCodeMapper.checkRc;
import static org.lmdbjava.TestUtils.invokePrivateConstructor;
import java.util.HashSet;
import java.util.Set;
import org.junit.Test;
import org.lmdbjava.Cursor.FullException;
import org.lmdbjava.Dbi.BadDbiException;
import org.lmdbjava.Dbi.BadValueSizeException;
import org.lmdbjava.Dbi.DbFullException;
import org.lmdbjava.Dbi.IncompatibleException;
import org.lmdbjava.Dbi.KeyExistsException;
import org.lmdbjava.Dbi.KeyNotFoundException;
import org.lmdbjava.Dbi.MapResizedException;
import org.lmdbjava.Env.FileInvalidException;
import org.lmdbjava.Env.MapFullException;
import org.lmdbjava.Env.ReadersFullException;
import org.lmdbjava.Env.VersionMismatchException;
import org.lmdbjava.LmdbNativeException.ConstantDerivedException;
import org.lmdbjava.LmdbNativeException.PageCorruptedException;
import org.lmdbjava.LmdbNativeException.PageFullException;
import org.lmdbjava.LmdbNativeException.PageNotFoundException;
import org.lmdbjava.LmdbNativeException.PanicException;
import org.lmdbjava.LmdbNativeException.TlsFullException;
import org.lmdbjava.Txn.BadException;
import org.lmdbjava.Txn.BadReaderLockException;
import org.lmdbjava.Txn.TxFullException;
/**
* Test {@link ResultCodeMapper} and {@link LmdbException}.
*/
public final class ResultCodeMapperTest {
private static final Set<LmdbNativeException> EXCEPTIONS = new HashSet<>();
private static final Set<Integer> RESULT_CODES = new HashSet<>();
static {
// separate collection instances used to simplify duplicate RC detection
EXCEPTIONS.add(new BadDbiException());
EXCEPTIONS.add(new BadReaderLockException());
EXCEPTIONS.add(new BadException());
EXCEPTIONS.add(new BadValueSizeException());
EXCEPTIONS.add(new PageCorruptedException());
EXCEPTIONS.add(new FullException());
EXCEPTIONS.add(new DbFullException());
EXCEPTIONS.add(new IncompatibleException());
EXCEPTIONS.add(new FileInvalidException());
EXCEPTIONS.add(new KeyExistsException());
EXCEPTIONS.add(new MapFullException());
EXCEPTIONS.add(new MapResizedException());
EXCEPTIONS.add(new KeyNotFoundException());
EXCEPTIONS.add(new PageFullException());
EXCEPTIONS.add(new PageNotFoundException());
EXCEPTIONS.add(new PanicException());
EXCEPTIONS.add(new ReadersFullException());
EXCEPTIONS.add(new TlsFullException());
EXCEPTIONS.add(new TxFullException());
EXCEPTIONS.add(new VersionMismatchException());
for (final LmdbNativeException e : EXCEPTIONS) {
RESULT_CODES.add(e.getResultCode());
}
}
@Test
public void checkErrAll() {
for (final Integer rc : RESULT_CODES) {
try {
checkRc(rc);
fail("Exception expected for RC " + rc);
} catch (final LmdbNativeException e) {
assertThat(e.getResultCode(), is(rc));
}
}
}
@Test(expected = ConstantDerivedException.class)
public void checkErrConstantDerived() {
checkRc(20);
}
@Test
public void checkErrConstantDerivedMessage() {
try {
checkRc(2);
fail("Should have raised exception");
} catch (final ConstantDerivedException ex) {
assertThat(ex.getMessage(), containsString("No such file or directory"));
}
}
@Test(expected = FullException.class)
public void checkErrCursorFull() {
checkRc(MDB_CURSOR_FULL);
}
@Test(expected = IllegalArgumentException.class)
public void checkErrUnknownResultCode() {
checkRc(MAX_VALUE);
}
@Test
public void coverPrivateConstructors() {
invokePrivateConstructor(ResultCodeMapper.class);
}
@Test
public void lmdbExceptionPreservesRootCause() {
final Exception cause = new IllegalStateException("root cause");
final LmdbException e = new LmdbException("test", cause);
assertThat(e.getCause(), is(cause));
assertThat(e.getMessage(), is("test"));
}
@Test
public void mapperReturnsUnique() {
final Set<LmdbNativeException> seen = new HashSet<>();
for (final Integer rc : RESULT_CODES) {
try {
checkRc(rc);
} catch (final LmdbNativeException ex) {
assertThat(ex, is(notNullValue()));
seen.add(ex);
}
}
assertThat(seen, hasSize(RESULT_CODES.size()));
}
@Test
public void noDuplicateResultCodes() {
assertThat(RESULT_CODES.size(), is(EXCEPTIONS.size()));
}
}