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/*
* 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;
}
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