FailOverExecutionControlTest.java

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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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/*
 * @test
 * @bug 8131029 8160127 8159935
 * @summary Test that fail-over works for fail-over ExecutionControl generators.
 * @modules jdk.jshell/jdk.jshell.execution
 *          jdk.jshell/jdk.jshell.spi
 * @build KullaTesting ExecutionControlTestBase
 * @run testng FailOverExecutionControlTest
 */

import org.testng.annotations.Test;
import org.testng.annotations.BeforeMethod;
import jdk.jshell.execution.JdiDefaultExecutionControl;
import jdk.jshell.spi.ExecutionControl;
import jdk.jshell.spi.ExecutionEnv;
import static jdk.jshell.execution.Util.failOverExecutionControlGenerator;

@Test
public class FailOverExecutionControlTest extends ExecutionControlTestBase {

    @BeforeMethod
    @Override
    public void setUp() {
        setUp(builder -> builder.executionEngine(failOverExecutionControlGenerator(
                new AlwaysFailingGenerator(),
                new AlwaysFailingGenerator(),
                JdiDefaultExecutionControl.launch())));
    }

    class AlwaysFailingGenerator implements ExecutionControl.Generator {

        @Override
        public ExecutionControl generate(ExecutionEnv env) throws UnsupportedOperationException {
            throw new UnsupportedOperationException("This operation intentionally broken.");
        }

    }
}