Wed, 26 Jan 2011 13:45:25 -0800
7013272: Automatically generate info about how compiler resource keys are used
Reviewed-by: mcimadamore
1 /*
2 * Copyright (c) 1999, 2002, 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 */
24 /*
25 * @test
26 * @bug 4253590 4255513 4115099
27 * @summary Verify that non-static fields with a ConstValue attribute inlined only when used as a simple name.
28 * @author maddox, gafter (adapted from leo's bug report)
29 *
30 * @run compile test_ff1.java
31 * @run compile ConstValInlining.java
32 * @run compile test_ff2.java
33 * @run main ConstValInlining
34 */
36 public class ConstValInlining {
38 void test() throws Exception {
39 Class checksClass = Class.forName("test_ff");
40 test_ff obj = new test_ff();
41 String reflected_fnl_str = (String)checksClass.getField("fnl_str").get(obj);
43 T t = new T();
45 // even when used by a qualified name, the compiler must inline
46 if (t.fnl_str.equals(reflected_fnl_str))
47 throw new Exception("FAILED: compiler failed to inline a qualified nonstatic constant");
49 // when used by an unqualified name, they must not differ
50 t.test(reflected_fnl_str);
51 }
53 static class T extends test_ff {
54 void test(String reflected) throws Exception {
55 // when used by an unqualified qualified name, they must differ
56 if (fnl_str.equals(reflected))
57 throw new Exception("FAILED: compiler failed to inline an unqualified nonstatic constant");
58 }
59 };
61 public static void main(String args[]) throws Exception {
62 new ConstValInlining().test();
63 }
64 }