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test/tools/javac/annotations/typeAnnotations/classfile/DeadCode.java@959103a6100f (annotated)

test/tools/javac/annotations/typeAnnotations/classfile/DeadCode.java

Wed, 27 Apr 2016 01:34:52 +0800

author

aoqi

date

Wed, 27 Apr 2016 01:34:52 +0800

changeset 0

959103a6100f

child 2525

2eb010b6cb22

permissions

-rw-r--r--

Initial load
http://hg.openjdk.java.net/jdk8u/jdk8u/langtools/
changeset: 2573:53ca196be1ae
tag: jdk8u25-b17

aoqi@0	1	/*
aoqi@0	2	* Copyright (c) 2009, 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	import java.lang.annotation.*;
aoqi@0	25	import java.io.*;
aoqi@0	26	import java.net.URL;
aoqi@0	27	import java.util.List;
aoqi@0	28
aoqi@0	29	import com.sun.tools.classfile.*;
aoqi@0	30
aoqi@0	31	/*
aoqi@0	32	* @test
aoqi@0	33	* @bug 6917130 8006775
aoqi@0	34	* @summary test that optimized away annotations are not emited to classfile
aoqi@0	35	*/
aoqi@0	36
aoqi@0	37	public class DeadCode extends ClassfileTestHelper {
aoqi@0	38	public static void main(String[] args) throws Exception {
aoqi@0	39	new DeadCode().run();
aoqi@0	40	}
aoqi@0	41
aoqi@0	42	public void run() throws Exception {
aoqi@0	43	expected_tinvisibles = 1;
aoqi@0	44	expected_tvisibles = 0;
aoqi@0	45
aoqi@0	46	ClassFile cf = getClassFile("DeadCode$Test.class");
aoqi@0	47	test(cf);
aoqi@0	48	for (Field f : cf.fields) {
aoqi@0	49	test(cf, f);
aoqi@0	50	}
aoqi@0	51	for (Method m: cf.methods) {
aoqi@0	52	test(cf, m, true);
aoqi@0	53	}
aoqi@0	54
aoqi@0	55	countAnnotations();
aoqi@0	56
aoqi@0	57	if (errors > 0)
aoqi@0	58	throw new Exception(errors + " errors found");
aoqi@0	59	System.out.println("PASSED");
aoqi@0	60	}
aoqi@0	61
aoqi@0	62	/*********************** Test class *************************/
aoqi@0	63	static class Test {
aoqi@0	64	@Target({ElementType.TYPE_USE, ElementType.TYPE_PARAMETER})
aoqi@0	65	@interface A {}
aoqi@0	66
aoqi@0	67	void test() {
aoqi@0	68	List<? extends @A Object> o = null;
aoqi@0	69	o.toString();
aoqi@0	70
aoqi@0	71	@A String m;
aoqi@0	72	if (false) {
aoqi@0	73	@A String a;
aoqi@0	74	@A String b = "m";
aoqi@0	75	b.toString();
aoqi@0	76	List<? extends @A Object> c = null;
aoqi@0	77	c.toString();
aoqi@0	78	}
aoqi@0	79	}
aoqi@0	80	}
aoqi@0	81
aoqi@0	82	}