1 /*
2 * Copyright (c) 2016, 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 TestStableUShort
26 * @summary tests on stable fields and arrays
27 * @library /test/lib /
28 * @modules java.base/jdk.internal.misc
29 * @modules java.base/jdk.internal.vm.annotation
30 * @build sun.hotspot.WhiteBox
31 *
32 * @run main/bootclasspath/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:+AlwaysIncrementalInline
33 * -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xcomp
34 * -XX:-TieredCompilation
35 * -XX:+FoldStableValues
36 * -XX:CompileOnly=::get,::get1
37 * compiler.stable.TestStableUShort
38 * @run main/bootclasspath/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:+AlwaysIncrementalInline
39 * -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xcomp
40 * -XX:-TieredCompilation
41 * -XX:-FoldStableValues
42 * -XX:CompileOnly=::get,::get1
43 * compiler.stable.TestStableUShort
44 *
45 * @run main/bootclasspath/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:+AlwaysIncrementalInline
46 * -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xcomp
47 * -XX:+TieredCompilation -XX:TieredStopAtLevel=1
48 * -XX:+FoldStableValues
49 * -XX:CompileOnly=::get,::get1
50 * compiler.stable.TestStableUShort
51 * @run main/bootclasspath/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:+AlwaysIncrementalInline
52 * -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xcomp
53 * -XX:+TieredCompilation -XX:TieredStopAtLevel=1
54 * -XX:-FoldStableValues
55 * -XX:CompileOnly=::get,::get1
56 * compiler.stable.TestStableUShort
57 */
58
59 package compiler.stable;
60
61 import jdk.internal.vm.annotation.Stable;
62
63 import java.lang.reflect.InvocationTargetException;
64
65 public class TestStableUShort {
66 static final boolean isStableEnabled = StableConfiguration.isStableEnabled;
67
68 public static void main(String[] args) throws Exception {
69 run(UShortStable.class);
70 run(UShortArrayDim1.class);
71
72 if (failed) {
73 throw new Error("TEST FAILED");
74 }
75 }
76
77 /* ==================================================== */
78
79 static class UShortStable {
80 public @Stable short v;
81
82 public static final UShortStable c = new UShortStable();
83
84 public static int get() { return c.v & 0xFFFF; }
85
86 public static void test() throws Exception {
87 short v1 = -1, v2 = 1;
88
89 c.v = v1; int r1 = get();
90 c.v = v2; int r2 = get();
91
92 assertEquals(r1, v1 & 0xFFFF);
93 assertEquals(r2, (isStableEnabled ? v1 : v2) & 0xFFFF);
94 }
95 }
96
97 /* ==================================================== */
98
99 static class UShortArrayDim1 {
100 public @Stable short[] v;
101
102 public static final UShortArrayDim1 c = new UShortArrayDim1();
103
104 public static short[] get() { return c.v; }
105 public static int get1() { return get()[0] & 0xFFFF; }
106
107 public static void test() throws Exception {
108 short v1 = -1, v2 = 1;
109
110 c.v = new short[1];
111 c.v[0] = v1; int r1 = get1();
112 c.v[0] = v2; int r2 = get1();
113
114 assertEquals(r1, v1 & 0xFFFF);
115 assertEquals(r2, (isStableEnabled ? v1 : v2) & 0xFFFF);
116 }
117 }
118
119 /* ==================================================== */
120 // Auxiliary methods
121 static void assertEquals(int i, int j) { if (i != j) throw new AssertionError(i + " != " + j); }
122 static void assertTrue(boolean b) { if (!b) throw new AssertionError(); }
123
124 static boolean failed = false;
125
126 public static void run(Class<?> test) {
127 Throwable ex = null;
128 System.out.print(test.getName()+": ");
129 try {
130 test.getMethod("test").invoke(null);
131 } catch (InvocationTargetException e) {
132 ex = e.getCause();
133 } catch (Throwable e) {
134 ex = e;
135 } finally {
136 if (ex == null) {
137 System.out.println("PASSED");
138 } else {
139 failed = true;
140 System.out.println("FAILED");
141 ex.printStackTrace(System.out);
142 }
143 }
144 }
145 }