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test/tools/javac/8000518/DuplicateConstantPoolEntry.java@9f0ec00514b6 (annotated)

test/tools/javac/8000518/DuplicateConstantPoolEntry.java

Thu, 21 Feb 2013 15:26:46 +0000

author

mcimadamore

date

Thu, 21 Feb 2013 15:26:46 +0000

changeset 1599

9f0ec00514b6

parent 0

959103a6100f

permissions

-rw-r--r--

8007461: Regression: bad overload resolution when inner class and outer class have method with same name
Summary: Fix regression in varargs method resolution introduced by bad refactoring
Reviewed-by: jjg

aoqi@0	1	/*
aoqi@0	2	* Copyright (c) 2002, 2012, Oracle and/or its affiliates. All rights reserved.
aoqi@0	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0	4	*
aoqi@0	5	* This code is free software; you can redistribute it and/or modify it
aoqi@0	6	* under the terms of the GNU General Public License version 2 only, as
aoqi@0	7	* published by the Free Software Foundation.
aoqi@0	8	*
aoqi@0	9	* This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
aoqi@0	12	* version 2 for more details (a copy is included in the LICENSE file that
aoqi@0	13	* accompanied this code).
aoqi@0	14	*
aoqi@0	15	* You should have received a copy of the GNU General Public License version
aoqi@0	16	* 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0	18	*
aoqi@0	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0	20	* or visit www.oracle.com if you need additional information or have any
aoqi@0	21	* questions.
aoqi@0	22	*/
aoqi@0	23
aoqi@0	24	/*
aoqi@0	25	* @test
aoqi@0	26	* @bug 8000518
aoqi@0	27	* @summary Javac generates duplicate name_and_type constant pool entry for
aoqi@0	28	* class BinaryOpValueExp.java
aoqi@0	29	* @run main DuplicateConstantPoolEntry
aoqi@0	30	*/
aoqi@0	31
aoqi@0	32	import com.sun.source.util.JavacTask;
aoqi@0	33	import com.sun.tools.classfile.ClassFile;
aoqi@0	34	import com.sun.tools.classfile.ConstantPoolException;
aoqi@0	35	import java.io.File;
aoqi@0	36	import java.io.IOException;
aoqi@0	37	import java.net.URI;
aoqi@0	38	import java.util.Arrays;
aoqi@0	39	import java.util.List;
aoqi@0	40	import javax.tools.JavaCompiler;
aoqi@0	41	import javax.tools.JavaFileObject;
aoqi@0	42	import javax.tools.SimpleJavaFileObject;
aoqi@0	43	import javax.tools.ToolProvider;
aoqi@0	44
aoqi@0	45	/*
aoqi@0	46	* This bug was reproduced having two classes B and C referenced from a class A
aoqi@0	47	* class C should be compiled and generated in advance. Later class A and B should
aoqi@0	48	* be compiled like this: javac A.java B.java
aoqi@0	49	*/
aoqi@0	50
aoqi@0	51	public class DuplicateConstantPoolEntry {
aoqi@0	52
aoqi@0	53	public static void main(String args[]) throws Exception {
aoqi@0	54	new DuplicateConstantPoolEntry().run();
aoqi@0	55	}
aoqi@0	56
aoqi@0	57	void run() throws Exception {
aoqi@0	58	generateFilesNeeded();
aoqi@0	59	checkReference();
aoqi@0	60	}
aoqi@0	61
aoqi@0	62	void generateFilesNeeded() throws Exception {
aoqi@0	63
aoqi@0	64	StringJavaFileObject[] CSource = new StringJavaFileObject[] {
aoqi@0	65	new StringJavaFileObject("C.java",
aoqi@0	66	"class C {C(String s) {}}"),
aoqi@0	67	};
aoqi@0	68
aoqi@0	69	List<StringJavaFileObject> AandBSource = Arrays.asList(
aoqi@0	70	new StringJavaFileObject("A.java",
aoqi@0	71	"class A {void test() {new B(null);new C(null);}}"),
aoqi@0	72	new StringJavaFileObject("B.java",
aoqi@0	73	"class B {B(String s) {}}")
aoqi@0	74	);
aoqi@0	75
aoqi@0	76	final JavaCompiler tool = ToolProvider.getSystemJavaCompiler();
aoqi@0	77	JavacTask compileC = (JavacTask)tool.getTask(null, null, null, null, null,
aoqi@0	78	Arrays.asList(CSource));
aoqi@0	79	if (!compileC.call()) {
aoqi@0	80	throw new AssertionError("Compilation error while compiling C.java sources");
aoqi@0	81	}
aoqi@0	82	JavacTask compileAB = (JavacTask)tool.getTask(null, null, null,
aoqi@0	83	Arrays.asList("-cp", "."), null, AandBSource);
aoqi@0	84	if (!compileAB.call()) {
aoqi@0	85	throw new AssertionError("Compilation error while compiling A and B sources");
aoqi@0	86	}
aoqi@0	87	}
aoqi@0	88
aoqi@0	89	void checkReference() throws IOException, ConstantPoolException {
aoqi@0	90	File file = new File("A.class");
aoqi@0	91	ClassFile classFile = ClassFile.read(file);
aoqi@0	92	for (int i = 1;
aoqi@0	93	i < classFile.constant_pool.size() - 1;
aoqi@0	94	i += classFile.constant_pool.get(i).size()) {
aoqi@0	95	for (int j = i + classFile.constant_pool.get(i).size();
aoqi@0	96	j < classFile.constant_pool.size();
aoqi@0	97	j += classFile.constant_pool.get(j).size()) {
aoqi@0	98	if (classFile.constant_pool.get(i).toString().
aoqi@0	99	equals(classFile.constant_pool.get(j).toString())) {
aoqi@0	100	throw new AssertionError(
aoqi@0	101	"Duplicate entries in the constant pool at positions " +
aoqi@0	102	i + " and " + j);
aoqi@0	103	}
aoqi@0	104	}
aoqi@0	105	}
aoqi@0	106	}
aoqi@0	107
aoqi@0	108	private static class StringJavaFileObject extends SimpleJavaFileObject {
aoqi@0	109	StringJavaFileObject(String name, String text) {
aoqi@0	110	super(URI.create(name), JavaFileObject.Kind.SOURCE);
aoqi@0	111	this.text = text;
aoqi@0	112	}
aoqi@0	113	@Override
aoqi@0	114	public CharSequence getCharContent(boolean b) {
aoqi@0	115	return text;
aoqi@0	116	}
aoqi@0	117	private String text;
aoqi@0	118	}
aoqi@0	119	}