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6866657: add byteLength method to primary classfile types

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Reviewed-by: mchung
This commit is contained in:
Jonathan Gibbons 2009-07-30 07:48:24 -07:00
parent 638db1aabb
commit 219445d03a
8 changed files with 197 additions and 0 deletions
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82
langtools/test/tools/javap/T6866657.java Normal file
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/*
* Copyright 2009 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
* CA 95054 USA or visit www.sun.com if you need additional information or
* have any questions.
*/
/*
* @test
* @bug 6866657
* @summary add byteLength() method to primary classfile types
*/
import java.io.*;
import java.util.*;
import javax.tools.*;
import com.sun.tools.javap.*;
public class T6866657
{
public static void main(String... args) {
new T6866657().run();
}
void run() {
verify("java.lang.Object");
verify("java.lang.String");
verify("java.util.List");
verify("java.util.ArrayList");
if (errors > 0)
throw new Error(errors + " found.");
}
void verify(String className) {
try {
PrintWriter log = new PrintWriter(System.out);
JavaFileManager fileManager = JavapFileManager.create(null, log);
JavaFileObject fo = fileManager.getJavaFileForInput(StandardLocation.PLATFORM_CLASS_PATH, className, JavaFileObject.Kind.CLASS);
if (fo == null) {
error("Can't find " + className);
} else {
JavapTask t = new JavapTask(log, fileManager, null);
t.handleOptions(new String[] { "-sysinfo", className });
JavapTask.ClassFileInfo cfInfo = t.read(fo);
expectEqual(cfInfo.cf.byteLength(), cfInfo.size);
}
} catch (Exception e) {
e.printStackTrace();
error("Exception: " + e);
}
}
void expectEqual(int found, int expected) {
if (found != expected)
error("bad value found: " + found + " expected: " + expected);
}
void error(String msg) {
System.err.println(msg);
errors++;
}
int errors;
}