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

test/tools/javac/annotations/typeAnnotations/classfile/TypeCasts.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 6843077 8006775
aoqi@0	34	* @summary test that typecasts annotation are emitted if only the cast
aoqi@0	35	* expression is optimized away
aoqi@0	36	*/
aoqi@0	37
aoqi@0	38	public class TypeCasts extends ClassfileTestHelper{
aoqi@0	39	public static void main(String[] args) throws Exception {
aoqi@0	40	new TypeCasts().run();
aoqi@0	41	}
aoqi@0	42
aoqi@0	43	public void run() throws Exception {
aoqi@0	44	expected_tinvisibles = 4;
aoqi@0	45	expected_tvisibles = 0;
aoqi@0	46
aoqi@0	47	ClassFile cf = getClassFile("TypeCasts$Test.class");
aoqi@0	48	test(cf);
aoqi@0	49	for (Field f : cf.fields) {
aoqi@0	50	test(cf, f);
aoqi@0	51	}
aoqi@0	52	for (Method m: cf.methods) {
aoqi@0	53	test(cf, m, true);
aoqi@0	54	}
aoqi@0	55
aoqi@0	56	countAnnotations();
aoqi@0	57
aoqi@0	58	if (errors > 0)
aoqi@0	59	throw new Exception(errors + " errors found");
aoqi@0	60	System.out.println("PASSED");
aoqi@0	61	}
aoqi@0	62
aoqi@0	63	/*********************** Test class *************************/
aoqi@0	64	static class Test {
aoqi@0	65	@Target({ElementType.TYPE_USE, ElementType.TYPE_PARAMETER})
aoqi@0	66	@interface A {}
aoqi@0	67
aoqi@0	68	void emit() {
aoqi@0	69	Object o = null;
aoqi@0	70	String s = null;
aoqi@0	71
aoqi@0	72	String a0 = (@A String)o;
aoqi@0	73	Object a1 = (@A Object)o;
aoqi@0	74
aoqi@0	75	String b0 = (@A String)s;
aoqi@0	76	Object b1 = (@A Object)s;
aoqi@0	77	}
aoqi@0	78
aoqi@0	79	void alldeadcode() {
aoqi@0	80	Object o = null;
aoqi@0	81
aoqi@0	82	if (false) {
aoqi@0	83	String a0 = (@A String)o;
aoqi@0	84	}
aoqi@0	85	}
aoqi@0	86	}
aoqi@0	87	}