test/jdk/tools/jpackage/windows/WinChildProcessTest.java

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/* @test
 * @bug 8325203
 * @summary Test that Jpackage windows executable application kills the launched 3rd party application
 *          when System.exit(0) is invoked along with terminating java program.
 * @library /test/jdk/tools/jpackage/helpers
 * @requires os.family == "windows"
 * @build jdk.jpackage.test.*
 * @build WinChildProcessTest
 * @run main/othervm -Xmx512m jdk.jpackage.test.Main
 *  --jpt-run=WinChildProcessTest
 *
 */

import java.util.List;
import java.util.Optional;

import java.nio.file.Path;

import jdk.jpackage.test.JPackageCommand;
import static jdk.jpackage.test.HelloApp.configureAndExecute;
import jdk.jpackage.test.Annotations.Test;
import jdk.jpackage.test.Executor;
import jdk.jpackage.test.TKit;
import static jdk.jpackage.test.WindowsHelper.killProcess;

public class WinChildProcessTest {
    private static final Path TEST_APP_JAVA = TKit.TEST_SRC_ROOT
            .resolve("apps/ChildProcessAppLauncher.java");

    @Test
    public static void test() {
        long childPid = 0;
        try {
            JPackageCommand cmd = JPackageCommand
                    .helloAppImage(TEST_APP_JAVA + "*Hello")
                    .ignoreFakeRuntime();

            // Create the image of the third party application launcher
            cmd.executeAndAssertImageCreated();

            // Start the third party application launcher and dump and save the
            // output of the application
            List<String> output = configureAndExecute(0, new Executor().saveOutput().dumpOutput()
                    .setExecutable(cmd.appLauncherPath().toAbsolutePath()))
                            .getOutput();
            String pidStr = output.get(0);

            // parse child PID
            childPid = Long.parseLong(pidStr.split("=", 2)[1]);

            // Check whether the termination of third party application launcher
            // also terminating the launched third party application
            // If third party application is not terminated the test is
            // successful else failure
            Optional<ProcessHandle> processHandle = ProcessHandle.of(childPid);
            boolean isAlive = processHandle.isPresent()
                    && processHandle.get().isAlive();
            TKit.assertTrue(isAlive, "Check child process is alive");
        } finally {
            if (childPid != 0) {
                // Kill only a specific child instance
                killProcess(childPid);
            }
        }
    }
}