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 * 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

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 *

 * 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).

 *

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

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

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/**

 * @test

 * @bug 8178077

 * @summary Check the UI behavior of editing history.

 * @modules

 *     jdk.compiler/com.sun.tools.javac.api

 *     jdk.compiler/com.sun.tools.javac.main

 *     jdk.jshell/jdk.internal.jshell.tool.resources:open

 *     jdk.jshell/jdk.jshell:open

 * @library /tools/lib

 * @build toolbox.ToolBox toolbox.JarTask toolbox.JavacTask

 * @build Compiler UITesting

 * @build HistoryUITest

 * @run testng HistoryUITest

 */

import org.testng.annotations.Test;

@Test

public class HistoryUITest extends UITesting {

    public void testPrevNextSnippet() throws Exception {

        doRunTest((inputSink, out) -> {

            inputSink.write("void test1() {\nSystem.err.println(1);\n}\n");

            waitOutput(out, "\u0005");

            inputSink.write("void test2() {\nSystem.err.println(2);\n}\n");

            waitOutput(out, "\u0005");

            inputSink.write(CTRL_UP);

            waitOutput(out, "^void test2\\(\\) \\{");

            inputSink.write(CTRL_UP);

            waitOutput(out, "^" + clearOut("2() {") + "1\\(\\) \\{");

            inputSink.write(CTRL_DOWN);

            waitOutput(out, "^" + clearOut("1() {") + "2\\(\\) \\{");

            inputSink.write(ENTER);

            waitOutput(out, "^\n\u0006");

            inputSink.write(UP);

            waitOutput(out, "^}");

            inputSink.write(UP);

            waitOutput(out, "^" + clearOut("}") + "System.err.println\\(2\\);");

            inputSink.write(UP);

            waitOutput(out, "^" + clearOut("System.err.println(2);") + "void test2\\(\\) \\{");

            inputSink.write(UP);

            waitOutput(out, "^\u0007");

            inputSink.write(DOWN);

            waitOutput(out, "^" + clearOut("void test2() {") + "System.err.println\\(2\\);");

            inputSink.write(DOWN);

            waitOutput(out, "^" + clearOut("System.err.println(2);") + "}");

            inputSink.write(DOWN);

            waitOutput(out, "^" + clearOut("}"));

            inputSink.write(DOWN);

            waitOutput(out, "^\u0007");

        });

    }

    //where:

        private static final String CTRL_UP = "\033[1;5A";

        private static final String CTRL_DOWN = "\033[1;5B";

        private static final String UP = "\033[A";

        private static final String DOWN = "\033[B";

        private static final String ENTER = "\n";

}