1 /* 2 * Copyright (c) 2009, 2015, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 25 /* 26 * @test 27 * @bug 6866657 28 * @summary add byteLength() method to primary classfile types 29 * @modules jdk.jdeps/com.sun.tools.classfile 30 */ 31 32 import java.io.*; 33 import java.util.*; 34 import javax.tools.*; 35 import com.sun.tools.javap.*; 36 37 public class T6866657 38 { 39 public static void main(String... args) { 40 new T6866657().run(); 41 } 42 43 void run() { 44 verify("java.lang.Object"); 45 verify("java.lang.String"); 46 verify("java.util.List"); 47 verify("java.util.ArrayList"); 48 if (errors > 0) 49 throw new Error(errors + " found."); 50 } 51 52 void verify(String className) { 53 try { 54 PrintWriter log = new PrintWriter(System.out); 55 JavaFileManager fileManager = JavapFileManager.create(null, log); 56 JavaFileObject fo = fileManager.getJavaFileForInput(StandardLocation.PLATFORM_CLASS_PATH, className, JavaFileObject.Kind.CLASS); 57 if (fo == null) { 58 error("Can't find " + className); 59 } else { 60 JavapTask t = new JavapTask(log, fileManager, null); 61 t.handleOptions(new String[] { "-sysinfo", className }); 62 JavapTask.ClassFileInfo cfInfo = t.read(fo); 63 expectEqual(cfInfo.cf.byteLength(), cfInfo.size); 64 } 65 } catch (Exception e) { 66 e.printStackTrace(); 67 error("Exception: " + e); 68 } 69 } 70 71 void expectEqual(int found, int expected) { 72 if (found != expected) 73 error("bad value found: " + found + " expected: " + expected); 74 } 75 76 void error(String msg) { 77 System.err.println(msg); 78 errors++; 79 } 80 81 int errors; 82 } 83