test/langtools/jdk/jshell/ToolMultilineSnippetHistoryTest.java

/*
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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 8182489
 * @summary test history with multiline snippets
 * @modules
 *     jdk.jshell/jdk.internal.jshell.tool.resources:open
 *     jdk.jshell/jdk.jshell:open
 * @build UITesting
 * @build ToolMultilineSnippetHistoryTest
 * @run testng ToolMultilineSnippetHistoryTest
 */

import org.testng.annotations.Test;

@Test
public class ToolMultilineSnippetHistoryTest extends UITesting {

    public ToolMultilineSnippetHistoryTest() {
        super(true);
    }

    public void testUpArrow() throws Exception {
        doRunTest((inputSink, out) -> {
            inputSink.write("int x=\n44\n");
            waitOutput(out, "x ==> 44\n\u0005");
            inputSink.write("/!\n");
            waitOutput(out, "int x=\n44;\nx ==> 44\n\u0005");
            inputSink.write("\020");
            waitOutput(out,   "44;");
            inputSink.write("\020");
            waitOutput(out,  "int x=");
        });
    }

}