lmdbjava/src/test/java/org/lmdbjava/PutFlagSetTest.java at master · lmdbjava/lmdbjava · GitHub

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* 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.assertj.core.api.Assertions.assertThat;

import java.time.Duration;

import java.time.Instant;

import java.util.Arrays;

import java.util.Collection;

import java.util.EnumSet;

import java.util.List;

import java.util.function.Function;

import java.util.stream.Collectors;

import java.util.stream.IntStream;

import org.assertj.core.api.Assertions;

import org.junit.jupiter.api.Test;

class PutFlagSetTest extends AbstractFlagSetTest<PutFlags, PutFlagSet> {

@Test

void test() {

// This is here purely to stop CodeQL moaning that this class is unused.

// All the actual tests are in the superclass

Assertions.assertThat(getAllFlags()).isNotNull();

}

@Override

List<PutFlags> getAllFlags() {

return Arrays.stream(PutFlags.values()).collect(Collectors.toList());

}

@Override

PutFlagSet getEmptyFlagSet() {

return PutFlagSet.empty();

}

@Override

AbstractFlagSet.Builder<PutFlags, PutFlagSet> getBuilder() {

return PutFlagSet.builder();

}

@Override

PutFlagSet getFlagSet(Collection<PutFlags> flags) {

return PutFlagSet.of(flags);

}

@Override

PutFlagSet getFlagSet(PutFlags[] flags) {

return PutFlagSet.of(flags);

}

@Override

PutFlagSet getFlagSet(PutFlags flag) {

return PutFlagSet.of(flag);

}

@Override

Class<PutFlags> getFlagType() {

return PutFlags.class;

}

@Override

Function<EnumSet<PutFlags>, PutFlagSet> getConstructor() {

return PutFlagSetImpl::new;

}

/**

* {@link FlagSet#isSet(MaskedFlag)} on the flag enum is tested in {@link AbstractFlagSetTest} but

* the coverage check doesn't seem to notice it.

@Test

void testIsSet() {

assertThat(PutFlags.MDB_APPEND.isSet(PutFlags.MDB_APPEND)).isTrue();

assertThat(PutFlags.MDB_APPEND.isSet(PutFlags.MDB_MULTIPLE)).isFalse();

//noinspection ConstantValue

assertThat(PutFlags.MDB_APPEND.isSet(null)).isFalse();

}

@Test

public void testAddFlagVsCheckPresence() {

final int cnt = 10_000_000;

final int[] arr = new int[cnt];

final List<PutFlagSet> flagSets =

IntStream.range(0, cnt)

.boxed()

.map(

i ->

PutFlagSet.of(

PutFlags.MDB_APPEND, PutFlags.MDB_NOOVERWRITE, PutFlags.MDB_RESERVE))

.collect(Collectors.toList());

Instant time;

for (int i = 0; i < 5; i++) {

time = Instant.now();

for (int j = 0; j < flagSets.size(); j++) {

PutFlagSet flagSet = flagSets.get(j);

if (!flagSet.isSet(PutFlags.MDB_RESERVE)) {

throw new RuntimeException("Not set");

}

arr[j] = flagSet.getMask();

}

System.out.println("Check: " + Duration.between(time, Instant.now()));

time = Instant.now();

for (int j = 0; j < flagSets.size(); j++) {

PutFlagSet flagSet = flagSets.get(j);

final int mask = flagSet.getMaskWith(PutFlags.MDB_RESERVE);

arr[j] = mask;

}

System.out.println("Append:" + Duration.between(time, Instant.now()));

}

lmdbjava/src/test/java/org/lmdbjava/PutFlagSetTest.java at master · lmdbjava/lmdbjava · GitHub

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