| /* |
| * 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 4942232 |
| * @summary missing param class processes without error |
| * @modules jdk.compiler/com.sun.tools.javah |
| * @build ParamClassTest Test |
| * @run main Test |
| */ |
| |
| import java.io.*; |
| import java.util.*; |
| |
| public class Test { |
| public static void main(String... args) throws Exception { |
| new Test().run(); |
| } |
| |
| void run() throws Exception { |
| File testSrc = new File(System.getProperty("test.src")); |
| File testClasses = new File(System.getProperty("test.classes")); |
| |
| // standard use of javah on valid class file |
| String[] test1Args = { |
| "-d", mkdir("test1/out").getPath(), |
| "-classpath", testClasses.getPath(), |
| "ParamClassTest" |
| }; |
| test(test1Args, 0); |
| |
| // extended use of javah on valid source file |
| String[] test2Args = { |
| "-d", mkdir("test2/out").getPath(), |
| "-classpath", testSrc.getPath(), |
| "ParamClassTest" |
| }; |
| test(test2Args, 0); |
| |
| // javah on class file with missing referents |
| File test3Classes = mkdir("test3/classes"); |
| copy(new File(testClasses, "ParamClassTest.class"), test3Classes); |
| String[] test3Args = { |
| "-d", mkdir("test3/out").getPath(), |
| "-classpath", test3Classes.getPath(), |
| "ParamClassTest" |
| }; |
| test(test3Args, 1); |
| |
| // javah on source file with missing referents |
| File test4Src = mkdir("test4/src"); |
| String paramClassTestSrc = readFile(new File(testSrc, "ParamClassTest.java")); |
| writeFile(new File(test4Src, "ParamClassTest.java"), |
| paramClassTestSrc.replaceAll("class Param \\{\\s+\\}", "")); |
| String[] test4Args = { |
| "-d", mkdir("test4/out").getPath(), |
| "-classpath", test4Src.getPath(), |
| "ParamClassTest" |
| }; |
| test(test4Args, 15); |
| |
| if (errors > 0) |
| throw new Exception(errors + " errors occurred"); |
| } |
| |
| void test(String[] args, int expect) { |
| System.err.println("test: " + Arrays.asList(args)); |
| int rc = javah(args); |
| if (rc != expect) |
| error("Unexpected return code: " + rc + "; expected: " + expect); |
| } |
| |
| int javah(String... args) { |
| StringWriter sw = new StringWriter(); |
| PrintWriter pw = new PrintWriter(sw); |
| int rc = com.sun.tools.javah.Main.run(args, pw); |
| pw.close(); |
| String out = sw.toString(); |
| if (!out.isEmpty()) |
| System.err.println(out); |
| return rc; |
| } |
| |
| File mkdir(String path) { |
| File f = new File(path); |
| f.mkdirs(); |
| return f; |
| } |
| |
| void copy(File from, File to) throws IOException { |
| if (to.isDirectory()) |
| to = new File(to, from.getName()); |
| try (DataInputStream in = new DataInputStream(new FileInputStream(from)); |
| FileOutputStream out = new FileOutputStream(to)) { |
| byte[] buf = new byte[(int) from.length()]; |
| in.readFully(buf); |
| out.write(buf); |
| } |
| } |
| |
| String readFile(File f) throws IOException { |
| try (DataInputStream in = new DataInputStream(new FileInputStream(f))) { |
| byte[] buf = new byte[(int) f.length()]; |
| in.readFully(buf); |
| return new String(buf); |
| } |
| } |
| |
| void writeFile(File f, String body) throws IOException { |
| try (FileWriter out = new FileWriter(f)) { |
| out.write(body); |
| } |
| } |
| |
| void error(String msg) { |
| System.err.println(msg); |
| errors++; |
| } |
| |
| int errors; |
| } |