|
/*
* 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;
}
¤ Dauer der Verarbeitung: 0.20 Sekunden
(vorverarbeitet)
¤
|
Haftungshinweis
Die Informationen auf dieser Webseite wurden
nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit,
noch Qualität der bereit gestellten Informationen zugesichert.
Bemerkung:
Die farbliche Syntaxdarstellung ist noch experimentell.
|
