IpcSharedMemoryNativeLoaderSelfTest.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF 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
 *
 *      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.apache.ignite.internal.util.ipc.shmem;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.Collections;
import junit.framework.TestCase;
import org.apache.ignite.internal.util.GridJavaProcess;
import org.apache.ignite.internal.util.typedef.internal.U;

/**
 * Test shared memory native loader.
 */
public class IpcSharedMemoryNativeLoaderSelfTest extends TestCase {

    /**
     * Test {@link IpcSharedMemoryNativeLoader#load()} in case, when native library path was
     * already loaded, but corrupted.
     *
     * @throws Exception If failed.
     */
    public void testLoadWithCorruptedLibFile() throws Exception {
        if (U.isWindows())
            return;

        Process ps = GridJavaProcess.exec(
            LoadWithCorruptedLibFileTestRunner.class,
            null,
            null,
            null,
            null,
            Collections.<String>emptyList(),
            System.getProperty("surefire.test.class.path")
        ).getProcess();

        readStreams(ps);

        int code = ps.waitFor();

        assertEquals("Returned code have to be 0.", 0, code);
    }

    /**
     * Read information from process streams.
     *
     * @param proc Process.
     * @throws IOException If an I/O error occurs.
     */
    private void readStreams(Process proc) throws IOException {
        BufferedReader stdOut = new BufferedReader(new InputStreamReader(proc.getInputStream()));

        String s;

        while ((s = stdOut.readLine()) != null)
            System.out.println("OUT>>>>>> " + s);

        BufferedReader errOut = new BufferedReader(new InputStreamReader(proc.getErrorStream()));

        while ((s = errOut.readLine()) != null)
            System.out.println("ERR>>>>>> " + s);
    }
}