97 lines
3.6 KiB
Java
97 lines
3.6 KiB
Java
/*
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* Copyright (c) 2024, 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 8334433
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* @summary Verify that when running JShell on platforms that support FFMTerminalProvider,
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* no new processes are spawned.
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* @requires os.family == "windows" | os.family == "mac" | os.family == "linux"
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* @library /tools/lib
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* @modules jdk.compiler/com.sun.tools.javac.api
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* jdk.compiler/com.sun.tools.javac.main
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* jdk.compiler/com.sun.tools.javac.util
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* @build toolbox.ToolBox toolbox.JavaTask TerminalNoExecTest
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* @run main TerminalNoExecTest
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*/
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import java.io.Writer;
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import java.nio.file.Files;
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import java.nio.file.Path;
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import java.nio.file.Paths;
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import java.util.concurrent.TimeUnit;
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import java.util.concurrent.atomic.AtomicBoolean;
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import jdk.jfr.consumer.RecordingStream;
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import jdk.jshell.tool.JavaShellToolBuilder;
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import toolbox.ToolBox;
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public class TerminalNoExecTest {
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public static void main(String... args) throws Exception {
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if (args.length > 0) {
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AtomicBoolean spawnedNewProcess = new AtomicBoolean();
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try (var rs = new RecordingStream()) {
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rs.enable("jdk.ProcessStart").withoutThreshold();
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rs.onEvent(evt -> {
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System.err.println("evt: " + evt);
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spawnedNewProcess.set(true);
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});
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rs.startAsync();
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JavaShellToolBuilder.builder().run("--execution=local", "--no-startup");
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rs.stop();
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}
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if (spawnedNewProcess.get()) {
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System.err.println("Spawned a new process!");
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System.exit(1);
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}
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System.exit(0);
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} else {
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Path testScript = Paths.get("do-exit");
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try (Writer w = Files.newBufferedWriter(testScript)) {
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w.append("/exit\n");
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}
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ToolBox tb = new ToolBox();
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Process target =
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new ProcessBuilder(tb.getJDKTool("java").toString(),
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"-classpath", System.getProperty("java.class.path"),
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TerminalNoExecTest.class.getName(),
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"run-test")
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.redirectError(ProcessBuilder.Redirect.INHERIT)
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.redirectOutput(ProcessBuilder.Redirect.INHERIT)
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.redirectInput(testScript.toFile())
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.start();
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target.waitFor();
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int exitCode = target.exitValue();
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if (exitCode != 0) {
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throw new AssertionError("Incorrect exit value, expected 0, got: " + exitCode);
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}
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}
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}
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}
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