# HG changeset patch # User jjg # Date 1390948289 28800 # Node ID a290c74925d7f2e35b7eb7a558c07c5b2f126cf5 # Parent 9a7197a9a0f634cf890fa7b213abefed269f2777 8032819: Extra empty line between field declarations for the "-v -c" and "-v -l" combination of options Reviewed-by: ksrini diff -r 9a7197a9a0f6 -r a290c74925d7 langtools/src/share/classes/com/sun/tools/javap/ClassWriter.java --- a/langtools/src/share/classes/com/sun/tools/javap/ClassWriter.java Tue Jan 28 11:22:56 2014 -0800 +++ b/langtools/src/share/classes/com/sun/tools/javap/ClassWriter.java Tue Jan 28 14:31:29 2014 -0800 @@ -385,6 +385,8 @@ indent(+1); + boolean showBlank = false; + if (options.showDescriptors) println("descriptor: " + getValue(f.descriptor)); @@ -394,12 +396,12 @@ if (options.showAllAttrs) { for (Attribute attr: f.attributes) attrWriter.write(f, attr, constant_pool); - println(); + showBlank = true; } indent(-1); - if (options.showDisassembled || options.showLineAndLocalVariableTables) + if (showBlank || options.showDisassembled || options.showLineAndLocalVariableTables) println(); } diff -r 9a7197a9a0f6 -r a290c74925d7 langtools/test/tools/javap/T8032819.java --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/langtools/test/tools/javap/T8032819.java Tue Jan 28 14:31:29 2014 -0800 @@ -0,0 +1,95 @@ +/* + * Copyright (c) 2014, 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 8032819 + * @summary Extra empty line between field declarations for the "-v -c" and "-v -l" combination of options + * @compile -g T8032819.java + * @run main T8032819 + */ + +import java.io.*; +import java.util.*; + +public class T8032819 { + static class Fields { + int f1; + int f2; + } + + public static void main(String... args) throws Exception { + new T8032819().run(); + } + + void run() throws Exception { + Class clazz = Fields.class; + test(clazz); + test(clazz, "-c"); + test(clazz, "-l"); + test(clazz, "-l", "-c"); + test(clazz, "-v"); + test(clazz, "-v", "-c"); + test(clazz, "-v", "-l"); + test(clazz, "-v", "-l", "-c"); + + if (errors > 0) + throw new Exception(errors + " errors occurred"); + } + + static final String sep = System.getProperty("line.separator"); + static final String doubleBlankLine = sep + sep + sep; + + void test(Class clazz, String... opts) throws Exception { + System.err.println("test " + Arrays.asList(opts)); + List args = new ArrayList(); + args.addAll(Arrays.asList(opts)); + args.addAll(Arrays.asList("-classpath", System.getProperty("test.classes"))); + args.add(clazz.getName()); + StringWriter sw = new StringWriter(); + PrintWriter pw = new PrintWriter(sw); + int rc = com.sun.tools.javap.Main.run(args.toArray(new String[args.size()]), pw); + pw.close(); + String out = sw.toString(); + if (rc != 0) + throw new Exception("javap failed unexpectedly: rc=" + rc); + + int count = 0; + int i = out.indexOf(doubleBlankLine, 0); + while (i != -1) { + count++; + i = out.indexOf(doubleBlankLine, i + doubleBlankLine.length()); + } + + if (count > 0) + error(count + " double blank lines found"); + } + + void error(String msg) { + System.err.println("Error: " + msg); + errors++; + } + + int errors = 0; +} +