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test/tools/javac/T6695379/AnnotationsAreNotCopiedToBridgeMethodsTest.java@7909abb85562 (annotated)

test/tools/javac/T6695379/AnnotationsAreNotCopiedToBridgeMethodsTest.java

Wed, 14 Nov 2018 10:18:25 -0800

author

diazhou

date

Wed, 14 Nov 2018 10:18:25 -0800

changeset 3762

7909abb85562

parent 0

959103a6100f

permissions

-rw-r--r--

Added tag jdk8u201-b04 for changeset a7f48b9dfb82

aoqi@0	1	/*
aoqi@0	2	* Copyright (c) 2013, 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 6695379
aoqi@0	27	* @summary Copy method annotations and parameter annotations to synthetic
aoqi@0	28	* bridge methods
aoqi@0	29	* @run main AnnotationsAreNotCopiedToBridgeMethodsTest
aoqi@0	30	*/
aoqi@0	31
aoqi@0	32	import java.lang.annotation.ElementType;
aoqi@0	33	import java.lang.annotation.Target;
aoqi@0	34	import java.io.BufferedInputStream;
aoqi@0	35	import java.lang.annotation.Retention;
aoqi@0	36	import java.lang.annotation.RetentionPolicy;
aoqi@0	37	import java.nio.file.Files;
aoqi@0	38	import java.nio.file.Path;
aoqi@0	39	import java.nio.file.Paths;
aoqi@0	40
aoqi@0	41	import com.sun.tools.classfile.AccessFlags;
aoqi@0	42	import com.sun.tools.classfile.Attribute;
aoqi@0	43	import com.sun.tools.classfile.Attributes;
aoqi@0	44	import com.sun.tools.classfile.ClassFile;
aoqi@0	45	import com.sun.tools.classfile.Method;
aoqi@0	46	import com.sun.tools.javac.util.Assert;
aoqi@0	47
aoqi@0	48	public class AnnotationsAreNotCopiedToBridgeMethodsTest {
aoqi@0	49
aoqi@0	50	public static void main(String[] args) throws Exception {
aoqi@0	51	new AnnotationsAreNotCopiedToBridgeMethodsTest().run();
aoqi@0	52	}
aoqi@0	53
aoqi@0	54	void run() throws Exception {
aoqi@0	55	checkClassFile(Paths.get(System.getProperty("test.classes"),
aoqi@0	56	this.getClass().getSimpleName() + "$CovariantReturnType.class"));
aoqi@0	57	checkClassFile(Paths.get(System.getProperty("test.classes"),
aoqi@0	58	this.getClass().getSimpleName() +
aoqi@0	59	"$CovariantReturnType$VisibilityChange.class"));
aoqi@0	60	}
aoqi@0	61
aoqi@0	62	void checkClassFile(final Path cfilePath) throws Exception {
aoqi@0	63	ClassFile classFile = ClassFile.read(
aoqi@0	64	new BufferedInputStream(Files.newInputStream(cfilePath)));
aoqi@0	65	for (Method method : classFile.methods) {
aoqi@0	66	if (method.access_flags.is(AccessFlags.ACC_BRIDGE)) {
aoqi@0	67	checkForAttr(method.attributes,
aoqi@0	68	"Annotations hasn't been copied to bridge method",
aoqi@0	69	Attribute.RuntimeVisibleAnnotations,
aoqi@0	70	Attribute.RuntimeVisibleParameterAnnotations);
aoqi@0	71	}
aoqi@0	72	}
aoqi@0	73	}
aoqi@0	74
aoqi@0	75	void checkForAttr(Attributes attrs, String errorMsg, String... attrNames) {
aoqi@0	76	for (String attrName : attrNames) {
aoqi@0	77	Assert.checkNonNull(attrs.get(attrName), errorMsg);
aoqi@0	78	}
aoqi@0	79	}
aoqi@0	80
aoqi@0	81	@Target(value = {ElementType.PARAMETER})
aoqi@0	82	@Retention(RetentionPolicy.RUNTIME)
aoqi@0	83	@interface ParamAnnotation {}
aoqi@0	84
aoqi@0	85	@Target(value = {ElementType.METHOD})
aoqi@0	86	@Retention(RetentionPolicy.RUNTIME)
aoqi@0	87	@interface MethodAnnotation {}
aoqi@0	88
aoqi@0	89	abstract class T<A,B> {
aoqi@0	90	B m(A a){return null;}
aoqi@0	91	}
aoqi@0	92
aoqi@0	93	class CovariantReturnType extends T<Integer, Integer> {
aoqi@0	94	@MethodAnnotation
aoqi@0	95	Integer m(@ParamAnnotation Integer i) {
aoqi@0	96	return i;
aoqi@0	97	}
aoqi@0	98
aoqi@0	99	public class VisibilityChange extends CovariantReturnType {}
aoqi@0	100
aoqi@0	101	}
aoqi@0	102
aoqi@0	103	}