93 lines
3.2 KiB
Java
93 lines
3.2 KiB
Java
/*
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* Copyright (c) 2013, 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 8007052
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* @summary javap should include the descriptor for a method in verbose mode
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* @modules jdk.jdeps/com.sun.tools.javap
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*/
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import java.io.File;
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import java.io.FileWriter;
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import java.io.IOException;
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import java.io.PrintWriter;
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import java.io.StringWriter;
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import java.util.regex.Pattern;
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public class DescriptorTest {
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public static void main(String... args) throws Exception {
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new DescriptorTest().run();
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}
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void run() throws Exception {
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File srcDir = new File("src");
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srcDir.mkdirs();
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File classesDir = new File("classes");
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classesDir.mkdirs();
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File f = writeFile(new File(srcDir, "E.java"), "enum E { A, B }");
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javac("-d", classesDir.getPath(), f.getPath());
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String out = javap("-p", "-v", new File(classesDir, "E.class").getPath());
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Pattern expect = Pattern.compile("\\Qprivate E();\\E\\s+\\Qdescriptor: (Ljava/lang/String;I)V\\E");
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checkContains(out, expect);
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}
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File writeFile(File f, String body) throws IOException {
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try (FileWriter out = new FileWriter(f)) {
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out.write(body);
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}
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return f;
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}
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void javac(String... args) throws Exception {
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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.javac.Main.compile(args, pw);
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pw.flush();
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String out = sw.toString();
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if (!out.isEmpty())
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System.err.println(out);
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if (rc != 0)
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throw new Exception("compilation failed");
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}
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String javap(String... args) throws Exception {
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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, pw);
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pw.flush();
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String out = sw.toString();
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if (!out.isEmpty())
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System.err.println(out);
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if (rc != 0)
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throw new Exception("javap failed");
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return out;
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}
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void checkContains(String s, Pattern p) throws Exception {
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if (!p.matcher(s).find())
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throw new Exception("expected pattern not found: " + p);
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}
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}
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