96 lines
3.5 KiB
Java
96 lines
3.5 KiB
Java
/*
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* Copyright (c) 2010, 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 6893943 6937318
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* @summary exit code from javah with no args is 0
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*/
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import java.io.*;
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import java.util.*;
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public class T6893943 {
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static final String[] NO_ARGS = { };
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static final String[] HELP = { "-help" };
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static final String NEWLINE = System.getProperty("line.separator");
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public static void main(String... args) throws Exception {
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new T6893943().run();
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}
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void run() throws Exception {
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testSimpleAPI(NO_ARGS, 1);
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testSimpleAPI(HELP, 0);
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testCommand(NO_ARGS, 1);
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testCommand(HELP, 0);
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}
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void testSimpleAPI(String[] args, int expect_rc) throws Exception {
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System.err.println("Test simple api: " + Arrays.asList(args));
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StringWriter sw = new StringWriter();
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PrintWriter pw = new PrintWriter(sw);
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int rc = com.sun.tools.javah.Main.run(args, pw);
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pw.close();
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expect("testSimpleAPI", sw.toString(), rc, expect_rc);
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}
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void testCommand(String[] args, int expect_rc) throws Exception {
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System.err.println("Test command: " + Arrays.asList(args));
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File javaHome = new File(System.getProperty("java.home"));
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if (javaHome.getName().equals("jre"))
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javaHome = javaHome.getParentFile();
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List<String> command = new ArrayList<String>();
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command.add(new File(new File(javaHome, "bin"), "javah").getPath());
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command.add("-J-Xbootclasspath:" + System.getProperty("sun.boot.class.path"));
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command.addAll(Arrays.asList(args));
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//System.err.println("command: " + command);
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ProcessBuilder pb = new ProcessBuilder(command);
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pb.redirectErrorStream(true);
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Process p = pb.start();
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p.getOutputStream().close();
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StringWriter sw = new StringWriter();
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String line;
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BufferedReader in = new BufferedReader(new InputStreamReader(p.getInputStream()));
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while ((line = in.readLine()) != null)
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sw.write(line + NEWLINE);
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int rc = p.waitFor();
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expect("testCommand", sw.toString(), rc, expect_rc);
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}
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void expect(String name, String out, int actual_rc, int expect_rc) throws Exception {
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if (out.isEmpty())
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throw new Exception("No output from javah");
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if (!out.startsWith("Usage:")) {
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System.err.println(out);
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throw new Exception("Unexpected output from javah");
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}
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if (actual_rc != expect_rc)
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throw new Exception(name + ": unexpected exit: " + actual_rc + ", expected: " + expect_rc);
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}
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}
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