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test/tools/javac/scope/7017664/ImplementationCacheTest.java@0ff2bbd38f10 (annotated)

test/tools/javac/scope/7017664/ImplementationCacheTest.java

Wed, 06 Apr 2011 20:33:44 -0700

author

ohair

date

Wed, 06 Apr 2011 20:33:44 -0700

changeset 962

0ff2bbd38f10

parent 0

959103a6100f

permissions

-rw-r--r--

7033660: Update copyright year to 2011 on any files changed in 2011
Reviewed-by: dholmes

aoqi@0	1	/*
aoqi@0	2	* Copyright (c) 2011, 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 7017664
aoqi@0	27	* @summary Basher for CompoundScopes
aoqi@0	28	*/
aoqi@0	29
aoqi@0	30	import com.sun.source.util.JavacTask;
aoqi@0	31	import com.sun.tools.javac.code.Symbol;
aoqi@0	32	import com.sun.tools.javac.code.Types;
aoqi@0	33	import com.sun.tools.javac.file.JavacFileManager;
aoqi@0	34	import com.sun.tools.javac.util.Context;
aoqi@0	35
aoqi@0	36	import com.sun.tools.javac.code.Symbol.*;
aoqi@0	37
aoqi@0	38	import java.io.IOException;
aoqi@0	39	import java.net.URI;
aoqi@0	40	import java.util.Arrays;
aoqi@0	41	import java.util.List;
aoqi@0	42	import javax.lang.model.element.Element;
aoqi@0	43	import javax.tools.JavaCompiler;
aoqi@0	44	import javax.tools.JavaFileObject;
aoqi@0	45	import javax.tools.SimpleJavaFileObject;
aoqi@0	46	import javax.tools.ToolProvider;
aoqi@0	47
aoqi@0	48	import static javax.tools.JavaFileObject.Kind;
aoqi@0	49
aoqi@0	50	public class ImplementationCacheTest {
aoqi@0	51
aoqi@0	52	static class SourceFile extends SimpleJavaFileObject {
aoqi@0	53
aoqi@0	54	final String source = "interface I { void m(); }\n" +
aoqi@0	55	"class A implements I { public void m() {} }\n" +
aoqi@0	56	"class B extends A { }\n";
aoqi@0	57
aoqi@0	58	public SourceFile() {
aoqi@0	59	super(URI.create("test.java"), Kind.SOURCE);
aoqi@0	60	}
aoqi@0	61
aoqi@0	62	public CharSequence getCharContent(boolean ignoreEncodingErrors) {
aoqi@0	63	return source;
aoqi@0	64	}
aoqi@0	65	}
aoqi@0	66
aoqi@0	67	public static void main(String[] args) throws IOException {
aoqi@0	68	List<? extends JavaFileObject> files = Arrays.asList(new SourceFile());
aoqi@0	69	JavaCompiler tool = ToolProvider.getSystemJavaCompiler();
aoqi@0	70	JavacTask ct = (JavacTask)tool.getTask(null, null, null, null, null, files);
aoqi@0	71	Context ctx = new Context();
aoqi@0	72	JavacFileManager.preRegister(ctx);
aoqi@0	73	checkImplementationCache(ct.analyze(), Types.instance(ctx));
aoqi@0	74	}
aoqi@0	75
aoqi@0	76	static void checkImplementationCache(Iterable<? extends Element> elements, Types types) {
aoqi@0	77	if (types == null) {
aoqi@0	78	throw new AssertionError("problems initializing Types");
aoqi@0	79	}
aoqi@0	80
aoqi@0	81	Symbol a = null;
aoqi@0	82	Symbol b = null;
aoqi@0	83	Symbol i = null;
aoqi@0	84
aoqi@0	85	for (Element e : elements) {
aoqi@0	86	if (e.getSimpleName().contentEquals("A")) {
aoqi@0	87	a = (Symbol)e;
aoqi@0	88	} else if (e.getSimpleName().contentEquals("B")) {
aoqi@0	89	b = (Symbol)e;
aoqi@0	90	} else if (e.getSimpleName().contentEquals("I")) {
aoqi@0	91	i = (Symbol)e;
aoqi@0	92	}
aoqi@0	93	}
aoqi@0	94
aoqi@0	95	if (a == null || b == null || i == null) {
aoqi@0	96	throw new AssertionError("missing class");
aoqi@0	97	}
aoqi@0	98
aoqi@0	99	MethodSymbol I_m = null;
aoqi@0	100
aoqi@0	101	for (Symbol sym : i.members().getElements()) {
aoqi@0	102	if (sym.name.contentEquals("m")) {
aoqi@0	103	I_m = (MethodSymbol)sym;
aoqi@0	104	}
aoqi@0	105	}
aoqi@0	106
aoqi@0	107	if (I_m == null) {
aoqi@0	108	throw new AssertionError("missing method m() in scope of interface I");
aoqi@0	109	}
aoqi@0	110
aoqi@0	111	Symbol impl = I_m.implementation((TypeSymbol)b, types, true);
aoqi@0	112
aoqi@0	113	if (impl == null || impl.owner != a) {
aoqi@0	114	throw new AssertionError("wrong implementation for m() in B");
aoqi@0	115	}
aoqi@0	116
aoqi@0	117	b.members().enter(I_m.clone(b));
aoqi@0	118
aoqi@0	119	Symbol newImpl = I_m.implementation((TypeSymbol)b, types, true);
aoqi@0	120
aoqi@0	121	if (newImpl == impl) {
aoqi@0	122	throw new AssertionError("stale implementation for m() in B");
aoqi@0	123	}
aoqi@0	124
aoqi@0	125	if (newImpl == null || newImpl.owner != b) {
aoqi@0	126	throw new AssertionError("wrong implementation for m() in B");
aoqi@0	127	}
aoqi@0	128	}
aoqi@0	129	}