test/jdk/jdk/jfr/jmx/TestPredefinedConfigurationInvalid.java

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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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package jdk.jfr.jmx;

import jdk.jfr.Configuration;
import jdk.management.jfr.FlightRecorderMXBean;
import jdk.test.lib.Asserts;
import jdk.test.lib.jfr.CommonHelper;
import jdk.test.lib.jfr.VoidFunction;

/*
 * @test
 * @key jfr
 * @library /test/lib /test/jdk
 * @run main/othervm jdk.jfr.jmx.TestPredefinedConfigurationInvalid
 */
public class TestPredefinedConfigurationInvalid {
    public static void main(String[] args) throws Throwable {
        FlightRecorderMXBean bean = JmxHelper.getFlighteRecorderMXBean();

        long recId = bean.newRecording();

        // Test invalid named configs.
        verifyNullPointer(()->{ bean.setPredefinedConfiguration(recId, null); }, "setNamedConfig(null)");
        setInvalidConfigName(recId, "");
        setInvalidConfigName(recId, "invalidname");

        // Verify we can set named config after failed attempts.
        Configuration config = Configuration.getConfigurations().get(0);
        bean.setPredefinedConfiguration(recId, config.getName());
        JmxHelper.verifyMapEquals(bean.getRecordingSettings(recId), config.getSettings());
    }

    private static void setInvalidConfigName(long recId, String name) {
        try {
            JmxHelper.getFlighteRecorderMXBean().setPredefinedConfiguration(recId, name);
            Asserts.fail("Missing Exception when setNamedConfig('" + name + "')");
        } catch (IllegalArgumentException e) {
            // Expected exception.
            String msg = e.getMessage().toLowerCase();
            System.out.println("Got expected exception: " + msg);
            String expectMsg = "not find configuration";
            Asserts.assertTrue(msg.contains(expectMsg), String.format("No '%s' in '%s'", expectMsg, msg));
        }
    }

    private static void verifyNullPointer(VoidFunction f, String msg) throws Throwable {
        CommonHelper.verifyException(f, msg, NullPointerException.class);
    }

}