Sat, 15 Feb 2014 22:23:44 +0400
8032819: Extra empty line between field declarations for the "-v -c" and "-v -l" combination of options
Reviewed-by: ksrini
src/share/classes/com/sun/tools/javap/ClassWriter.java | file | annotate | diff | comparison | revisions | |
test/tools/javap/T8032819.java | file | annotate | diff | comparison | revisions |
1.1 --- a/src/share/classes/com/sun/tools/javap/ClassWriter.java Fri Feb 14 14:21:19 2014 +0000 1.2 +++ b/src/share/classes/com/sun/tools/javap/ClassWriter.java Sat Feb 15 22:23:44 2014 +0400 1.3 @@ -385,6 +385,8 @@ 1.4 1.5 indent(+1); 1.6 1.7 + boolean showBlank = false; 1.8 + 1.9 if (options.showDescriptors) 1.10 println("descriptor: " + getValue(f.descriptor)); 1.11 1.12 @@ -394,12 +396,12 @@ 1.13 if (options.showAllAttrs) { 1.14 for (Attribute attr: f.attributes) 1.15 attrWriter.write(f, attr, constant_pool); 1.16 - println(); 1.17 + showBlank = true; 1.18 } 1.19 1.20 indent(-1); 1.21 1.22 - if (options.showDisassembled || options.showLineAndLocalVariableTables) 1.23 + if (showBlank || options.showDisassembled || options.showLineAndLocalVariableTables) 1.24 println(); 1.25 } 1.26
2.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 2.2 +++ b/test/tools/javap/T8032819.java Sat Feb 15 22:23:44 2014 +0400 2.3 @@ -0,0 +1,95 @@ 2.4 +/* 2.5 + * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. 2.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 2.7 + * 2.8 + * This code is free software; you can redistribute it and/or modify it 2.9 + * under the terms of the GNU General Public License version 2 only, as 2.10 + * published by the Free Software Foundation. 2.11 + * 2.12 + * This code is distributed in the hope that it will be useful, but WITHOUT 2.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 2.14 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 2.15 + * version 2 for more details (a copy is included in the LICENSE file that 2.16 + * accompanied this code). 2.17 + * 2.18 + * You should have received a copy of the GNU General Public License version 2.19 + * 2 along with this work; if not, write to the Free Software Foundation, 2.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 2.21 + * 2.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 2.23 + * or visit www.oracle.com if you need additional information or have any 2.24 + * questions. 2.25 + */ 2.26 + 2.27 +/* 2.28 + * @test 2.29 + * @bug 8032819 2.30 + * @summary Extra empty line between field declarations for the "-v -c" and "-v -l" combination of options 2.31 + * @compile -g T8032819.java 2.32 + * @run main T8032819 2.33 + */ 2.34 + 2.35 +import java.io.*; 2.36 +import java.util.*; 2.37 + 2.38 +public class T8032819 { 2.39 + static class Fields { 2.40 + int f1; 2.41 + int f2; 2.42 + } 2.43 + 2.44 + public static void main(String... args) throws Exception { 2.45 + new T8032819().run(); 2.46 + } 2.47 + 2.48 + void run() throws Exception { 2.49 + Class<?> clazz = Fields.class; 2.50 + test(clazz); 2.51 + test(clazz, "-c"); 2.52 + test(clazz, "-l"); 2.53 + test(clazz, "-l", "-c"); 2.54 + test(clazz, "-v"); 2.55 + test(clazz, "-v", "-c"); 2.56 + test(clazz, "-v", "-l"); 2.57 + test(clazz, "-v", "-l", "-c"); 2.58 + 2.59 + if (errors > 0) 2.60 + throw new Exception(errors + " errors occurred"); 2.61 + } 2.62 + 2.63 + static final String sep = System.getProperty("line.separator"); 2.64 + static final String doubleBlankLine = sep + sep + sep; 2.65 + 2.66 + void test(Class<?> clazz, String... opts) throws Exception { 2.67 + System.err.println("test " + Arrays.asList(opts)); 2.68 + List<String> args = new ArrayList<String>(); 2.69 + args.addAll(Arrays.asList(opts)); 2.70 + args.addAll(Arrays.asList("-classpath", System.getProperty("test.classes"))); 2.71 + args.add(clazz.getName()); 2.72 + StringWriter sw = new StringWriter(); 2.73 + PrintWriter pw = new PrintWriter(sw); 2.74 + int rc = com.sun.tools.javap.Main.run(args.toArray(new String[args.size()]), pw); 2.75 + pw.close(); 2.76 + String out = sw.toString(); 2.77 + if (rc != 0) 2.78 + throw new Exception("javap failed unexpectedly: rc=" + rc); 2.79 + 2.80 + int count = 0; 2.81 + int i = out.indexOf(doubleBlankLine, 0); 2.82 + while (i != -1) { 2.83 + count++; 2.84 + i = out.indexOf(doubleBlankLine, i + doubleBlankLine.length()); 2.85 + } 2.86 + 2.87 + if (count > 0) 2.88 + error(count + " double blank lines found"); 2.89 + } 2.90 + 2.91 + void error(String msg) { 2.92 + System.err.println("Error: " + msg); 2.93 + errors++; 2.94 + } 2.95 + 2.96 + int errors = 0; 2.97 +} 2.98 +