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products/sources/formale Sprachen/Java/Openjdk/test/langtools/jdk/jshell/ (Sun/Oracle ^©) Datei vom 13.11.2022 mit Größe 3 kB

Quelle UserJdiUserRemoteTest.java Sprache: JAVA

/*
* 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();
    }
}

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