1 /*
2 * Copyright (c) 2016, 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. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 /*
27 * @test TestStableUShort
28 * @summary tests on stable fields and arrays
29 * @library /testlibrary /test/lib
30 * @build TestStableUShort StableConfiguration sun.hotspot.WhiteBox
31 * @run main ClassFileInstaller sun.hotspot.WhiteBox sun.hotspot.WhiteBox$WhiteBoxPermission
32 * @run main ClassFileInstaller
33 * java/lang/invoke/StableConfiguration
34 * java/lang/invoke/TestStableUShort
35 * java/lang/invoke/TestStableUShort$UShortStable
36 * java/lang/invoke/TestStableUShort$UShortArrayDim1
37 *
38 * @run main/othervm -Xbootclasspath/a:.
39 * -XX:+IgnoreUnrecognizedVMOptions -XX:+AlwaysIncrementalInline
40 * -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xcomp
41 * -XX:-TieredCompilation
42 * -XX:+FoldStableValues
43 * -XX:CompileOnly=::get,::get1
44 * java.lang.invoke.TestStableUShort
45 * @run main/othervm -Xbootclasspath/a:.
46 * -XX:+IgnoreUnrecognizedVMOptions -XX:+AlwaysIncrementalInline
47 * -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xcomp
48 * -XX:-TieredCompilation
49 * -XX:-FoldStableValues
50 * -XX:CompileOnly=::get,::get1
51 * java.lang.invoke.TestStableUShort
52 *
53 * @run main/othervm -Xbootclasspath/a:.
54 * -XX:+IgnoreUnrecognizedVMOptions -XX:+AlwaysIncrementalInline
55 * -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xcomp
56 * -XX:+TieredCompilation -XX:TieredStopAtLevel=1
57 * -XX:+FoldStableValues
58 * -XX:CompileOnly=::get,::get1
59 * java.lang.invoke.TestStableUShort
60 * @run main/othervm -Xbootclasspath/a:.
61 * -XX:+IgnoreUnrecognizedVMOptions -XX:+AlwaysIncrementalInline
62 * -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xcomp
63 * -XX:+TieredCompilation -XX:TieredStopAtLevel=1
64 * -XX:-FoldStableValues
65 * -XX:CompileOnly=::get,::get1
66 * java.lang.invoke.TestStableUShort
67 *
68 */
69 package java.lang.invoke;
70
71 import jdk.internal.vm.annotation.Stable;
72
73 import java.lang.reflect.InvocationTargetException;
74
75 public class TestStableUShort {
76 static final boolean isStableEnabled = StableConfiguration.isStableEnabled;
77
78 public static void main(String[] args) throws Exception {
79 run(UShortStable.class);
80 run(UShortArrayDim1.class);
81
82 if (failed) {
83 throw new Error("TEST FAILED");
84 }
85 }
86
87 /* ==================================================== */
88
89 static class UShortStable {
90 public @Stable short v;
91
92 public static final UShortStable c = new UShortStable();
93
94 public static int get() { return c.v & 0xFFFF; }
95
96 public static void test() throws Exception {
97 short v1 = -1, v2 = 1;
98
99 c.v = v1; int r1 = get();
100 c.v = v2; int r2 = get();
101
102 assertEquals(r1, v1 & 0xFFFF);
103 assertEquals(r2, (isStableEnabled ? v1 : v2) & 0xFFFF);
104 }
105 }
106
107 /* ==================================================== */
108
109 static class UShortArrayDim1 {
110 public @Stable short[] v;
111
112 public static final UShortArrayDim1 c = new UShortArrayDim1();
113
114 public static short[] get() { return c.v; }
115 public static int get1() { return get()[0] & 0xFFFF; }
116
117 public static void test() throws Exception {
118 short v1 = -1, v2 = 1;
119
120 c.v = new short[1];
121 c.v[0] = v1; int r1 = get1();
122 c.v[0] = v2; int r2 = get1();
123
124 assertEquals(r1, v1 & 0xFFFF);
125 assertEquals(r2, (isStableEnabled ? v1 : v2) & 0xFFFF);
126 }
127 }
128
129 /* ==================================================== */
130 // Auxiliary methods
131 static void assertEquals(int i, int j) { if (i != j) throw new AssertionError(i + " != " + j); }
132 static void assertTrue(boolean b) { if (!b) throw new AssertionError(); }
133
134 static boolean failed = false;
135
136 public static void run(Class<?> test) {
137 Throwable ex = null;
138 System.out.print(test.getName()+": ");
139 try {
140 test.getMethod("test").invoke(null);
141 } catch (InvocationTargetException e) {
142 ex = e.getCause();
143 } catch (Throwable e) {
144 ex = e;
145 } finally {
146 if (ex == null) {
147 System.out.println("PASSED");
148 } else {
149 failed = true;
150 System.out.println("FAILED");
151 ex.printStackTrace(System.out);
152 }
153 }
154 }
155 }