| /* |
| * Copyright (c) 2014, 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 8032814 |
| * @summary LineNumberTable/LocalVariableTable tables duplication for the |
| * "-v -l" combination of options |
| * @modules jdk.jdeps/com.sun.tools.javap |
| * @compile -g T8032814.java |
| * @run main T8032814 |
| */ |
| |
| import java.io.*; |
| import java.util.*; |
| |
| public class T8032814 { |
| public static void main(String... args) throws Exception { |
| new T8032814().run(); |
| } |
| |
| void run() throws Exception { |
| Class<?> clazz = T8032814.class; |
| int count = clazz.getDeclaredConstructors().length |
| + clazz.getDeclaredMethods().length; |
| test(clazz, 0); |
| test(clazz, count, "-v"); |
| test(clazz, count, "-l"); |
| test(clazz, count, "-v", "-l"); |
| |
| if (errors > 0) |
| throw new Exception(errors + " errors occurred"); |
| } |
| |
| void test(Class<?> clazz, int expectedCount, String... opts) throws Exception { |
| System.err.println("test class " + clazz.getName() + " " + Arrays.asList(opts) + ": expect: " + expectedCount); |
| List<String> args = new ArrayList<String>(); |
| 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 lntCount = 0, lvtCount = 0; |
| for (String line: out.split("[\r\n]+")) { |
| if (line.matches("^ *LineNumberTable:$")) |
| lntCount++; |
| if (line.matches("^ *LocalVariableTable:$")) |
| lvtCount++; |
| } |
| checkEqual("LineNumberTable", lntCount, expectedCount); |
| checkEqual("LocalVariableTable", lvtCount, expectedCount); |
| } |
| |
| void checkEqual(String attr, int found, int expect) { |
| if (found != expect) { |
| error("Unexpected number of occurrences of " + attr + "\n" + |
| "found: " + found + ", expected: " + expect); |
| } |
| } |
| |
| void error(String msg) { |
| System.err.println("Error: " + msg); |
| errors++; |
| } |
| |
| int errors = 0; |
| } |
| |