JdiBogusHostListenExecutionControlTest.java

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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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/*
 * @test
 * @bug 8169519
 * @summary Tests for JDI connector failure
 * @modules jdk.jshell/jdk.jshell jdk.jshell/jdk.jshell.spi jdk.jshell/jdk.jshell.execution
 * @run testng JdiBogusHostListenExecutionControlTest
 */

import org.testng.annotations.Test;
import jdk.jshell.JShell;
import jdk.jshell.execution.JdiDefaultExecutionControl;
import static org.testng.Assert.assertTrue;
import static org.testng.Assert.fail;

@Test
public class JdiBogusHostListenExecutionControlTest {

    private static final String EXPECTED_ERROR =
            "Launching JShell execution engine threw: Failed remote listen: java.net.SocketException: Unresolved address @ com.sun.jdi.SocketListe";

    public void badOptionListenTest() {
        try {
            JShell.builder()
                    .executionEngine(JdiDefaultExecutionControl.listen("BattyRumbleBuckets-Snurfle-99-Blip"))
                    .build();
        } catch (IllegalStateException ex) {
            assertTrue(ex.getMessage().startsWith(EXPECTED_ERROR), ex.getMessage());
            return;
        }
        fail("Expected IllegalStateException");
    }
}