| /* |
| * Copyright (c) 2010, 2016, Oracle and/or its affiliates. All rights reserved. |
| * 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 |
| * published by the Free Software Foundation. |
| * |
| * 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). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| /* |
| * @test |
| * @bug 6893943 6937318 |
| * @summary exit code from javah with no args is 0 |
| * @modules jdk.compiler/com.sun.tools.javah |
| */ |
| |
| import java.io.*; |
| import java.util.*; |
| |
| public class T6893943 { |
| static final String[] NO_ARGS = { "-XDsuppress-tool-removal-message" }; |
| static final String[] SUPPRESS_WARNING_PLUS_HELP = { "-XDsuppress-tool-removal-message", "-help" }; |
| static final String NEWLINE = System.getProperty("line.separator"); |
| |
| public static void main(String... args) throws Exception { |
| new T6893943().run(); |
| } |
| |
| void run() throws Exception { |
| testSimpleAPI(NO_ARGS, 1); |
| testSimpleAPI(SUPPRESS_WARNING_PLUS_HELP, 0); |
| testCommand(NO_ARGS, 1); |
| testCommand(SUPPRESS_WARNING_PLUS_HELP, 0); |
| } |
| |
| void testSimpleAPI(String[] args, int expect_rc) throws Exception { |
| System.err.println("Test simple api: " + Arrays.asList(args)); |
| StringWriter sw = new StringWriter(); |
| PrintWriter pw = new PrintWriter(sw); |
| int rc = com.sun.tools.javah.Main.run(args, pw); |
| pw.close(); |
| expect("testSimpleAPI", sw.toString(), rc, expect_rc); |
| } |
| |
| void testCommand(String[] args, int expect_rc) throws Exception { |
| System.err.println("Test command: " + Arrays.asList(args)); |
| File javaHome = new File(System.getProperty("java.home")); |
| List<String> command = new ArrayList<String>(); |
| command.add(new File(new File(javaHome, "bin"), "javah").getPath()); |
| command.addAll(Arrays.asList(args)); |
| //System.err.println("command: " + command); |
| |
| ProcessBuilder pb = new ProcessBuilder(command); |
| pb.redirectErrorStream(true); |
| Process p = pb.start(); |
| p.getOutputStream().close(); |
| StringWriter sw = new StringWriter(); |
| String line; |
| BufferedReader in = new BufferedReader(new InputStreamReader(p.getInputStream())); |
| while ((line = in.readLine()) != null) |
| sw.write(line + NEWLINE); |
| int rc = p.waitFor(); |
| expect("testCommand", sw.toString(), rc, expect_rc); |
| } |
| |
| void expect(String name, String out, int actual_rc, int expect_rc) throws Exception { |
| if (out.isEmpty()) |
| throw new Exception("No output from javah"); |
| |
| if (actual_rc != expect_rc) |
| throw new Exception(name + ": unexpected exit: " + actual_rc + ", expected: " + expect_rc); |
| } |
| } |