LoadClassTest.java — netty Source File

Source Code

/*
 * Copyright 2025 The Netty Project
 *
 * The Netty Project licenses this file to you 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:
 *
 *   https://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 io.netty.channel.uring;

import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.condition.EnabledForJreRange;
import org.junit.jupiter.api.condition.JRE;
import org.junit.jupiter.api.function.Executable;
import org.junit.jupiter.params.ParameterizedTest;
import org.junit.jupiter.params.provider.MethodSource;

import java.util.ArrayList;
import java.util.List;

import static org.junit.jupiter.api.Assertions.assertDoesNotThrow;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertNotNull;
import static org.junit.jupiter.api.Assertions.assertThrows;

public class LoadClassTest {

    static Class<?>[] classes() {
        List<Class<?>> classes = new ArrayList<>();
        classes.add(IoUringSocketChannel.class);
        classes.add(IoUringServerSocketChannel.class);
        classes.add(IoUringDatagramChannel.class);

        classes.add(IoUringDomainSocketChannel.class);
        classes.add(IoUringServerDomainSocketChannel.class);

        classes.add(IoUringIoHandler.class);

        return classes.toArray(new Class<?>[0]);
    }

    @EnabledForJreRange(min = JRE.JAVA_9)
    @ParameterizedTest
    @MethodSource("classes")
    public void testLoadClassesWorkWithoutNativeLib(Class<?> clazz) {
        // Force loading of class.
        assertDoesNotThrow(() -> Class.forName(clazz.getName()));
    }

    @Test
    public void testCheckAvailability() {
        // Calling ensureAvailability should work on any JDK version
        assertThrows(UnsatisfiedLinkError.class, new Executable() {
            @Override
            public void execute() throws Throwable {
                IoUring.ensureAvailability();
            }
        });
        assertFalse(IoUring.isAvailable());
        assertNotNull(IoUring.unavailabilityCause());
    }
}