1 /* 2 * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 /* 25 * @test 26 * @bug 8214583 27 * @summary Check that getSubject works after JIT compiler escape analysis. 28 */ 29 import java.security.AccessControlContext; 30 import java.security.AccessController; 31 import java.security.PrivilegedAction; 32 import java.security.PrivilegedExceptionAction; 33 import java.util.Arrays; 34 import java.util.Collections; 35 import java.util.HashSet; 36 import java.util.Set; 37 import javax.security.auth.Subject; 38 39 public class DoAs { 40 41 public static void main(String[] args) throws Exception { 42 final Set<String> outer = new HashSet<>(Arrays.asList("Outer")); 43 final Subject subject = new Subject(true, Collections.EMPTY_SET, outer, Collections.EMPTY_SET); 44 45 for (int i = 0; i < 100_000; ++i) { 46 final int index = i; 47 Subject.doAs(subject, (PrivilegedExceptionAction<Integer>)() -> { 48 AccessControlContext c1 = AccessController.getContext(); 49 Subject s = Subject.getSubject(c1); 50 if (s != subject) { 51 throw new AssertionError("outer Oops! " + "iteration " + index + " " + s + " != " + subject); 52 } 53 return 0; 54 }); 55 } 56 } 57 }