95 lines
3.3 KiB
Java
95 lines
3.3 KiB
Java
/*
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* Copyright (c) 2014, 2016, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 8032814
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* @summary LineNumberTable/LocalVariableTable tables duplication for the
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* "-v -l" combination of options
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* @modules jdk.jdeps/com.sun.tools.javap
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* @compile -g T8032814.java
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* @run main T8032814
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*/
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import java.io.*;
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import java.util.*;
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public class T8032814 {
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public static void main(String... args) throws Exception {
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new T8032814().run();
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}
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void run() throws Exception {
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Class<?> clazz = T8032814.class;
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int count = clazz.getDeclaredConstructors().length
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+ clazz.getDeclaredMethods().length;
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test(clazz, 0);
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test(clazz, count, "-v");
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test(clazz, count, "-l");
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test(clazz, count, "-v", "-l");
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if (errors > 0)
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throw new Exception(errors + " errors occurred");
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}
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void test(Class<?> clazz, int expectedCount, String... opts) throws Exception {
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System.err.println("test class " + clazz.getName() + " " + Arrays.asList(opts) + ": expect: " + expectedCount);
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List<String> args = new ArrayList<String>();
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args.addAll(Arrays.asList(opts));
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args.addAll(Arrays.asList("-classpath", System.getProperty("test.classes")));
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args.add(clazz.getName());
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StringWriter sw = new StringWriter();
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PrintWriter pw = new PrintWriter(sw);
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int rc = com.sun.tools.javap.Main.run(args.toArray(new String[args.size()]), pw);
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pw.close();
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String out = sw.toString();
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if (rc != 0)
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throw new Exception("javap failed unexpectedly: rc=" + rc);
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int lntCount = 0, lvtCount = 0;
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for (String line: out.split("[\r\n]+")) {
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if (line.matches("^ *LineNumberTable:$"))
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lntCount++;
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if (line.matches("^ *LocalVariableTable:$"))
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lvtCount++;
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}
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checkEqual("LineNumberTable", lntCount, expectedCount);
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checkEqual("LocalVariableTable", lvtCount, expectedCount);
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}
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void checkEqual(String attr, int found, int expect) {
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if (found != expect) {
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error("Unexpected number of occurrences of " + attr + "\n" +
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"found: " + found + ", expected: " + expect);
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}
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}
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void error(String msg) {
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System.err.println("Error: " + msg);
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errors++;
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}
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int errors = 0;
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}
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