/*

 * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

/*

 * @test

 * @bug 8185108

 * @summary Test exception().getMessage() in events returned by eval()

 * @run testng ExceptionMessageTest

 */

import java.util.HashMap;

import java.util.Map;

import java.util.List;

import jdk.jshell.JShell;

import jdk.jshell.SnippetEvent;

import jdk.jshell.execution.DirectExecutionControl;

import jdk.jshell.execution.JdiExecutionControlProvider;

import jdk.jshell.execution.LocalExecutionControlProvider;

import jdk.jshell.spi.ExecutionControl;

import jdk.jshell.spi.ExecutionControlProvider;

import jdk.jshell.spi.ExecutionEnv;

import org.testng.annotations.DataProvider;

import org.testng.annotations.Test;

import static org.testng.Assert.assertEquals;

import static org.testng.Assert.assertTrue;

@Test

public class ExceptionMessageTest {

    public void testDefaultEC() {

        doTestCases(new JdiExecutionControlProvider(), "default");

    }

    public void testLocalEC() {

        doTestCases(new LocalExecutionControlProvider(), "local");

    }

    public void testDirectEC() {

        doTestCases(new ExecutionControlProvider() {

            public ExecutionControl generate(ExecutionEnv env, Map<String, String> param) throws Throwable {

                return new DirectExecutionControl();

            }

            public String name() {

                return "direct";

            }

        }, "direct");

    }

    private JShell shell(ExecutionControlProvider ec) {

        return JShell.builder().executionEngine(ec, new HashMap<>()).build();

    }

    private void doTestCases(ExecutionControlProvider ec, String label) {

        JShell jshell = shell(ec);

        doTest(jshell, label, "throw new java.io.IOException();", null);

        doTest(jshell, label, "throw new java.io.IOException((String)null);", null);

        doTest(jshell, label, "throw new java.io.IOException(\"\");", "");

        doTest(jshell, label, "throw new java.io.IOException(\"test\");", "test");

    }

    private void doTest(JShell jshell, String label, String code, String expected) {

        List<SnippetEvent> result = jshell.eval(code);

        assertEquals(result.size(), 1, "Expected only one event");

        SnippetEvent evt = result.get(0);

        Exception exc = evt.exception();

        String out = exc.getMessage();

        assertEquals(out, expected, "Exception message not as expected: " +

                label + " -- " + code);

    }

}