115 lines
4.1 KiB
Java
115 lines
4.1 KiB
Java
/*
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* Copyright (c) 2008, 2015, 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 6716452
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* @summary need a method to get an index of an attribute
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* @modules jdk.jdeps/com.sun.tools.classfile
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*/
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import java.io.*;
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import com.sun.tools.classfile.*;
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public class T6716452 {
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public static void main(String[] args) throws Exception {
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new T6716452().run();
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}
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public void run() throws Exception {
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File javaFile = writeTestFile();
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File classFile = compileTestFile(javaFile);
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ClassFile cf = ClassFile.read(classFile);
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for (Method m: cf.methods) {
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test(cf, m);
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}
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if (errors > 0)
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throw new Exception(errors + " errors found");
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}
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void test(ClassFile cf, Method m) {
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test(cf, m, Attribute.Code, Code_attribute.class);
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test(cf, m, Attribute.Exceptions, Exceptions_attribute.class);
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}
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// test the result of Attributes.getIndex according to expectations
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// encoded in the method's name
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void test(ClassFile cf, Method m, String name, Class<?> c) {
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int index = m.attributes.getIndex(cf.constant_pool, name);
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try {
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String m_name = m.getName(cf.constant_pool);
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System.err.println("Method " + m_name + " name:" + name + " index:" + index + " class: " + c);
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boolean expect = (m_name.equals("<init>") && name.equals("Code"))
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|| (m_name.indexOf(name) != -1);
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boolean found = (index != -1);
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if (expect) {
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if (found) {
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Attribute attr = m.attributes.get(index);
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if (!c.isAssignableFrom(attr.getClass())) {
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error(m + ": unexpected attribute found,"
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+ " expected " + c.getName()
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+ " found " + attr.getClass().getName());
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}
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} else {
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error(m + ": expected attribute " + name + " not found");
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}
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} else {
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if (found) {
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error(m + ": unexpected attribute " + name);
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}
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}
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} catch (ConstantPoolException e) {
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error(m + ": " + e);
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}
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}
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File writeTestFile() throws IOException {
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File f = new File("Test.java");
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PrintWriter out = new PrintWriter(new BufferedWriter(new FileWriter(f)));
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out.println("abstract class Test { ");
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out.println(" abstract void m();");
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out.println(" void m_Code() { }");
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out.println(" abstract void m_Exceptions() throws Exception;");
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out.println(" void m_Code_Exceptions() throws Exception { }");
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out.println("}");
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out.close();
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return f;
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}
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File compileTestFile(File f) {
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int rc = com.sun.tools.javac.Main.compile(new String[] { "-g", f.getPath() });
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if (rc != 0)
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throw new Error("compilation failed. rc=" + rc);
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String path = f.getPath();
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return new File(path.substring(0, path.length() - 5) + ".class");
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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;
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}
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