/*

 * Copyright (c) 2016, 2018, 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 8160128 8159935 8168615

 * @summary Tests for Aux channel, custom remote agents, custom JDI implementations.

 * @build KullaTesting ExecutionControlTestBase MyExecutionControl MyRemoteExecutionControl MyExecutionControlProvider

 * @run testng UserJdiUserRemoteTest

 * @key intermittent

 */

import java.io.ByteArrayOutputStream;

import org.testng.annotations.Test;

import org.testng.annotations.BeforeMethod;

import jdk.jshell.Snippet;

import static jdk.jshell.Snippet.Status.OVERWRITTEN;

import static jdk.jshell.Snippet.Status.VALID;

import jdk.jshell.VarSnippet;

import jdk.jshell.spi.ExecutionControl;

import jdk.jshell.spi.ExecutionControl.ExecutionControlException;

import static org.testng.Assert.assertEquals;

@Test

public class UserJdiUserRemoteTest extends ExecutionControlTestBase {

    ExecutionControl currentEC;

    ByteArrayOutputStream auxStream;

    @BeforeMethod

    @Override

    public void setUp() {

        auxStream = new ByteArrayOutputStream();

        setUp(builder -> builder.executionEngine(new MyExecutionControlProvider(this), null));

    }

    public void testVarValue() {

        VarSnippet dv = varKey(assertEval("double aDouble = 1.5;"));

        String vd = getState().varValue(dv);

        assertEquals(vd, "1.5");

        assertEquals(auxStream.toString(), "aDouble");

    }

    public void testExtension() throws ExecutionControlException {

        assertEval("42;");

        Object res = currentEC.extensionCommand("FROG", "test");

        assertEquals(res, "ribbit");

    }

    public void testRedefine() {

        Snippet vx = varKey(assertEval("int x;"));

        Snippet mu = methodKey(assertEval("int mu() { return x * 4; }"));

        Snippet c = classKey(assertEval("class C { String v() { return \"#\" + mu(); } }"));

        assertEval("C c0  = new C();");

        assertEval("c0.v();", "\"#0\"");

        assertEval("int x = 10;", "10",

                ste(MAIN_SNIPPET, VALID, VALID, false, null),

                ste(vx, VALID, OVERWRITTEN, false, MAIN_SNIPPET));

        assertEval("c0.v();", "\"#40\"");

        assertEval("C c = new C();");

        assertEval("c.v();", "\"#40\"");

        assertEval("int mu() { return x * 3; }",

                ste(MAIN_SNIPPET, VALID, VALID, false, null),

                ste(mu, VALID, OVERWRITTEN, false, MAIN_SNIPPET));

        assertEval("c.v();", "\"#30\"");

        assertEval("class C { String v() { return \"@\" + mu(); } }",

                ste(MAIN_SNIPPET, VALID, VALID, false, null),

                ste(c, VALID, OVERWRITTEN, false, MAIN_SNIPPET));

        assertEval("c0.v();", "\"@30\"");

        assertEval("c = new C();");

        assertEval("c.v();", "\"@30\"");

        assertActiveKeys();

    }

}