91 lines
2.9 KiB
Java
91 lines
2.9 KiB
Java
/*
|
|
* Copyright (c) 2008, 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 4880663 6715757 7031005
|
|
* @summary javap could output whitespace between class name and opening brace
|
|
* javap prints "extends java.lang.Object"
|
|
* @modules jdk.jdeps/com.sun.tools.javap
|
|
*/
|
|
|
|
|
|
import java.io.*;
|
|
|
|
public class T4880663 {
|
|
public static void main(String[] args) throws Exception {
|
|
new T4880663().run();
|
|
}
|
|
|
|
public void run() throws IOException {
|
|
File javaFile = writeTestFile();
|
|
File classFile = compileTestFile(javaFile);
|
|
verify(classFile, "class Test {");
|
|
|
|
if (errors > 0)
|
|
throw new Error(errors + " found.");
|
|
}
|
|
|
|
File writeTestFile() throws IOException {
|
|
File f = new File("Test.java");
|
|
PrintWriter out = new PrintWriter(new BufferedWriter(new FileWriter(f)));
|
|
out.println("class Test { }");
|
|
out.close();
|
|
return f;
|
|
}
|
|
|
|
File compileTestFile(File f) {
|
|
int rc = com.sun.tools.javac.Main.compile(new String[] { "-g", f.getPath() });
|
|
if (rc != 0)
|
|
throw new Error("compilation failed. rc=" + rc);
|
|
String path = f.getPath();
|
|
return new File(path.substring(0, path.length() - 5) + ".class");
|
|
}
|
|
|
|
String javap(File classFile) {
|
|
StringWriter sw = new StringWriter();
|
|
PrintWriter out = new PrintWriter(sw);
|
|
int rc = com.sun.tools.javap.Main.run(new String[] { classFile.getPath() }, out);
|
|
if (rc != 0)
|
|
throw new Error("javap failed. rc=" + rc);
|
|
out.close();
|
|
System.out.println(sw.toString());
|
|
return sw.toString();
|
|
}
|
|
|
|
void verify(File classFile, String... expects) {
|
|
String output = javap(classFile);
|
|
for (String expect: expects) {
|
|
if (output.indexOf(expect)< 0)
|
|
error(expect + " not found");
|
|
}
|
|
}
|
|
|
|
void error(String msg) {
|
|
System.err.println(msg);
|
|
errors++;
|
|
}
|
|
|
|
int errors;
|
|
}
|