test/langtools/jdk/jshell/JdiFailingListenExecutionControlTest.java

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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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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,
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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
 * @build DyingRemoteAgent
 * @run testng JdiFailingListenExecutionControlTest
 */

import org.testng.annotations.Test;
import static org.testng.Assert.assertTrue;
import static org.testng.Assert.fail;

@Test
public class JdiFailingListenExecutionControlTest {

    private static final String EXPECTED_ERROR =
            "Launching JShell execution engine threw: Accept timed out";

    public void failListenTest() {
        try {
            System.err.printf("Unexpected return value: %s\n", DyingRemoteAgent.state(true, null).eval("33;"));
        } catch (IllegalStateException ex) {
            assertTrue(ex.getMessage().startsWith(EXPECTED_ERROR), ex.getMessage());
            return;
        }
        fail("Expected IllegalStateException");
    }
}