82 lines
2.9 KiB
Java
82 lines
2.9 KiB
Java
/*
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* Copyright (c) 2021, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 8265227
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* @summary Test Proc
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* @library /test/lib
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*/
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import jdk.test.lib.process.Proc;
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import java.util.Random;
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import java.util.List;
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public class ProcTest {
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public static void main(String[] args) throws Exception {
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if (args.length == 0) {
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Proc p1 = Proc.create("ProcTest")
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.args("p1")
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.debug("p1")
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.start();
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Proc p2 = Proc.create("ProcTest")
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.args("p2")
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.debug("p2")
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.start();
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while (true) {
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String s1 = p1.readData(); // p1 shows to p2
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if (s1 != null) p2.println(s1);
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String s2 = p2.readData(); // p2 shows to p1
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if (s2 != null) p1.println(s2);
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if (s1 == null && s2 == null) break;
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}
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p1.waitFor();
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p2.waitFor();
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} else {
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List<String> gestures = List.of("Rock", "Paper", "Scissors");
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int wins = 0;
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Random r = new Random();
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while (true) {
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String my = gestures.get(r.nextInt(3));
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Proc.textOut(my); // show first, next line might block
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String peer = Proc.textIn();
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if (!my.equals(peer)) {
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if (my.equals("Paper") && peer.equals("Rock")
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|| my.equals("Rock") && peer.equals("Scissors")
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|| my.equals("Scissors") && peer.equals("Paper")) {
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wins++;
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} else {
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wins--;
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}
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}
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// Message not from textOut() will be ignored by readData().
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System.out.println(my + " vs " + peer + ", I win " + wins + " times");
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if (wins > 2 || wins < -2) {
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break;
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}
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}
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}
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}
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}
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