1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 1.2 +++ b/test/tools/javac/annotations/typeAnnotations/classfile/DeadCode.java Wed Apr 27 01:34:52 2016 +0800 1.3 @@ -0,0 +1,82 @@ 1.4 +/* 1.5 + * Copyright (c) 2009, 2013, Oracle and/or its affiliates. All rights reserved. 1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 1.7 + * 1.8 + * This code is free software; you can redistribute it and/or modify it 1.9 + * under the terms of the GNU General Public License version 2 only, as 1.10 + * published by the Free Software Foundation. 1.11 + * 1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT 1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 1.14 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 1.15 + * version 2 for more details (a copy is included in the LICENSE file that 1.16 + * accompanied this code). 1.17 + * 1.18 + * You should have received a copy of the GNU General Public License version 1.19 + * 2 along with this work; if not, write to the Free Software Foundation, 1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 1.21 + * 1.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 1.23 + * or visit www.oracle.com if you need additional information or have any 1.24 + * questions. 1.25 + */ 1.26 + 1.27 +import java.lang.annotation.*; 1.28 +import java.io.*; 1.29 +import java.net.URL; 1.30 +import java.util.List; 1.31 + 1.32 +import com.sun.tools.classfile.*; 1.33 + 1.34 +/* 1.35 + * @test 1.36 + * @bug 6917130 8006775 1.37 + * @summary test that optimized away annotations are not emited to classfile 1.38 + */ 1.39 + 1.40 +public class DeadCode extends ClassfileTestHelper { 1.41 + public static void main(String[] args) throws Exception { 1.42 + new DeadCode().run(); 1.43 + } 1.44 + 1.45 + public void run() throws Exception { 1.46 + expected_tinvisibles = 1; 1.47 + expected_tvisibles = 0; 1.48 + 1.49 + ClassFile cf = getClassFile("DeadCode$Test.class"); 1.50 + test(cf); 1.51 + for (Field f : cf.fields) { 1.52 + test(cf, f); 1.53 + } 1.54 + for (Method m: cf.methods) { 1.55 + test(cf, m, true); 1.56 + } 1.57 + 1.58 + countAnnotations(); 1.59 + 1.60 + if (errors > 0) 1.61 + throw new Exception(errors + " errors found"); 1.62 + System.out.println("PASSED"); 1.63 + } 1.64 + 1.65 + /*********************** Test class *************************/ 1.66 + static class Test { 1.67 + @Target({ElementType.TYPE_USE, ElementType.TYPE_PARAMETER}) 1.68 + @interface A {} 1.69 + 1.70 + void test() { 1.71 + List<? extends @A Object> o = null; 1.72 + o.toString(); 1.73 + 1.74 + @A String m; 1.75 + if (false) { 1.76 + @A String a; 1.77 + @A String b = "m"; 1.78 + b.toString(); 1.79 + List<? extends @A Object> c = null; 1.80 + c.toString(); 1.81 + } 1.82 + } 1.83 + } 1.84 + 1.85 +}