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PojavLauncherTeam
GitHub Repository: PojavLauncherTeam/mobile
 Path: blob/master/test/hotspot/jtreg/compiler/stable/TestStableObject.java
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/*

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 * Copyright (c) 2014, 2018, Oracle and/or its affiliates. All rights reserved.

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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

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 *

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 * This code is free software; you can redistribute it and/or modify it

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 * under the terms of the GNU General Public License version 2 only, as

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 * published by the Free Software Foundation.

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 *

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 * This code is distributed in the hope that it will be useful, but WITHOUT

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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

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 * version 2 for more details (a copy is included in the LICENSE file that

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 * accompanied this code).

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 *

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 * You should have received a copy of the GNU General Public License version

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 * 2 along with this work; if not, write to the Free Software Foundation,

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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

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 *

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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

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 * or visit www.oracle.com if you need additional information or have any

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 * questions.

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 */

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/*

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 * @test TestStableObject

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 * @summary tests on stable fields and arrays

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 * @library /test/lib /

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 * @modules java.base/jdk.internal.misc

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 * @modules java.base/jdk.internal.vm.annotation

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 * @build sun.hotspot.WhiteBox

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 *

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 * @run main/bootclasspath/othervm -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xcomp

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 *                                 -XX:CompileOnly=::get,::get1,::get2,::get3,::get4

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 *                                 -XX:-TieredCompilation

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 *                                 -XX:+FoldStableValues

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 *                                 compiler.stable.TestStableObject

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 * @run main/bootclasspath/othervm -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xcomp

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 *                                 -XX:CompileOnly=::get,::get1,::get2,::get3,::get4

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 *                                 -XX:-TieredCompilation

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 *                                 -XX:-FoldStableValues

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 *                                 compiler.stable.TestStableObject

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 *

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 * @run main/bootclasspath/othervm -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xcomp

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 *                                 -XX:CompileOnly=::get,::get1,::get2,::get3,::get4

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 *                                 -XX:+TieredCompilation -XX:TieredStopAtLevel=1

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 *                                 -XX:+FoldStableValues

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 *                                 compiler.stable.TestStableObject

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 * @run main/bootclasspath/othervm -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xcomp

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 *                                 -XX:CompileOnly=::get,::get1,::get2,::get3,::get4

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 *                                 -XX:+TieredCompilation -XX:TieredStopAtLevel=1

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 *                                 -XX:-FoldStableValues

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 *                                 compiler.stable.TestStableObject

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 */

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package compiler.stable;

56


57
import jdk.internal.vm.annotation.Stable;

58


59
import java.lang.reflect.InvocationTargetException;

60


61
public class TestStableObject {

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    static final boolean isStableEnabled    = StableConfiguration.isStableEnabled;

63


64
    public static void main(String[] args) throws Exception {

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        run(DefaultValue.class);

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        run(ObjectStable.class);

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        run(DefaultStaticValue.class);

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        run(StaticObjectStable.class);

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        run(VolatileObjectStable.class);

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        // @Stable arrays: Dim 1-4

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        run(ObjectArrayDim1.class);

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        run(ObjectArrayDim2.class);

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        run(ObjectArrayDim3.class);

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        run(ObjectArrayDim4.class);

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        // @Stable Object field: dynamic arrays

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        run(ObjectArrayLowerDim0.class);

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        run(ObjectArrayLowerDim1.class);

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        run(ObjectArrayLowerDim2.class);

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82
        // Nested @Stable fields

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        run(NestedStableField.class);

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        run(NestedStableField1.class);

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        run(NestedStableField2.class);

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        run(NestedStableField3.class);

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88
        if (failed) {

89
            throw new Error("TEST FAILED");

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        }

91
    }

92


93
    /* ==================================================== */

94


95
    enum Values {A, B, C, D, E, F}

96


97
    static class DefaultValue {

98
        public @Stable Object v;

99


100
        public static final DefaultValue c = new DefaultValue();

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        public static Object get() { return c.v; }

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        public static void test() throws Exception {

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                            Object val1 = get();

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            c.v = Values.A; Object val2 = get();

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            assertEquals(val1, null);

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            assertEquals(val2, Values.A);

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        }

108
    }

109


110
    /* ==================================================== */

111


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    static class ObjectStable {

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        public @Stable Values v;

114


115
        public static final ObjectStable c = new ObjectStable ();

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        public static Values get() { return c.v; }

117
        public static void test() throws Exception {

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            c.v = Values.A; Values val1 = get();

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            c.v = Values.B; Values val2 = get();

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            assertEquals(val1, Values.A);

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            assertEquals(val2, (isStableEnabled ? Values.A : Values.B));

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        }

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    }

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125
    /* ==================================================== */

126


127
    static class DefaultStaticValue {

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        public static @Stable Object v;

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        public static final DefaultStaticValue c = new DefaultStaticValue();

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        public static Object get() { return c.v; }

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        public static void test() throws Exception {

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                            Object val1 = get();

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            c.v = Values.A; Object val2 = get();

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            assertEquals(val1, null);

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            assertEquals(val2, Values.A);

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        }

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    }

139


140
    /* ==================================================== */

141


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    static class StaticObjectStable {

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        public static @Stable Values v;

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        public static final ObjectStable c = new ObjectStable ();

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        public static Values get() { return c.v; }

147
        public static void test() throws Exception {

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            c.v = Values.A; Values val1 = get();

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            c.v = Values.B; Values val2 = get();

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            assertEquals(val1, Values.A);

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            assertEquals(val2, (isStableEnabled ? Values.A : Values.B));

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        }

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    }

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155
    /* ==================================================== */

156


157
    static class VolatileObjectStable {

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        public @Stable volatile Values v;

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160
        public static final VolatileObjectStable c = new VolatileObjectStable ();

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        public static Values get() { return c.v; }

162
        public static void test() throws Exception {

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            c.v = Values.A; Values val1 = get();

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            c.v = Values.B; Values val2 = get();

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            assertEquals(val1, Values.A);

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            assertEquals(val2, (isStableEnabled ? Values.A : Values.B));

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        }

168
    }

169


170
    /* ==================================================== */

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    // @Stable array == field && all components are stable

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173
    static class ObjectArrayDim1 {

174
        public @Stable Object[] v;

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        public static final ObjectArrayDim1 c = new ObjectArrayDim1();

177
        public static Object get() { return c.v[0]; }

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        public static Object get1() { return c.v[10]; }

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        public static Object[] get2() { return c.v; }

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        public static void test() throws Exception {

181
            {

182
                c.v = new Object[1]; c.v[0] = Values.A; Object val1 = get();

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                                     c.v[0] = Values.B; Object val2 = get();

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                assertEquals(val1, Values.A);

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                assertEquals(val2, (isStableEnabled ? Values.A : Values.B));

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187
                c.v = new Object[1]; c.v[0] = Values.C; Object val3 = get();

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                assertEquals(val3, (isStableEnabled ? (isStableEnabled ? Values.A : Values.B)

189
                                                    : Values.C));

190
            }

191


192
            {

193
                c.v = new Object[20]; c.v[10] = Values.A; Object val1 = get1();

194
                                      c.v[10] = Values.B; Object val2 = get1();

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                assertEquals(val1, Values.A);

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                assertEquals(val2, (isStableEnabled ? Values.A : Values.B));

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                c.v = new Object[20]; c.v[10] = Values.C; Object val3 = get1();

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                assertEquals(val3, (isStableEnabled ? (isStableEnabled ? Values.A : Values.B)

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                                                    : Values.C));

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            }

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            {

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                c.v = new Object[1]; Object[] val1 = get2();

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                c.v = new Object[1]; Object[] val2 = get2();

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                assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));

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            }

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        }

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    }

210


211
    /* ==================================================== */

212


213
    static class ObjectArrayDim2 {

214
        public @Stable Object[][] v;

215


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        public static final ObjectArrayDim2 c = new ObjectArrayDim2();

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        public static Object get() { return c.v[0][0]; }

218
        public static Object[] get1() { return c.v[0]; }

219
        public static Object[][] get2() { return c.v; }

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        public static void test() throws Exception {

221
            {

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                c.v = new Object[1][1]; c.v[0][0] = Values.A; Object val1 = get();

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                                        c.v[0][0] = Values.B; Object val2 = get();

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                assertEquals(val1, Values.A);

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                assertEquals(val2, (isStableEnabled ? Values.A : Values.B));

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                c.v = new Object[1][1]; c.v[0][0] = Values.C; Object val3 = get();

228
                assertEquals(val3, (isStableEnabled ? (isStableEnabled ? Values.A : Values.B)

229
                                                    : Values.C));

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                c.v[0] = new Object[1]; c.v[0][0] = Values.D; Object val4 = get();

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                assertEquals(val4, (isStableEnabled ? (isStableEnabled ? Values.A : Values.B)

233
                                                    : Values.D));

234
            }

235


236
            {

237
                c.v = new Object[1][1]; Object[] val1 = get1();

238
                c.v[0] = new Object[1]; Object[] val2 = get1();

239
                assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));

240
            }

241


242
            {

243
                c.v = new Object[1][1]; Object[][] val1 = get2();

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                c.v = new Object[1][1]; Object[][] val2 = get2();

245
                assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));

246
            }

247
        }

248
    }

249


250
    /* ==================================================== */

251


252
    static class ObjectArrayDim3 {

253
        public @Stable Object[][][] v;

254


255
        public static final ObjectArrayDim3 c = new ObjectArrayDim3();

256
        public static Object get() { return c.v[0][0][0]; }

257
        public static Object[] get1() { return c.v[0][0]; }

258
        public static Object[][] get2() { return c.v[0]; }

259
        public static Object[][][] get3() { return c.v; }

260
        public static void test() throws Exception {

261
            {

262
                c.v = new Object[1][1][1]; c.v[0][0][0] = Values.A; Object val1 = get();

263
                                           c.v[0][0][0] = Values.B; Object val2 = get();

264
                assertEquals(val1, Values.A);

265
                assertEquals(val2, (isStableEnabled ? Values.A : Values.B));

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267
                c.v = new Object[1][1][1]; c.v[0][0][0] = Values.C; Object val3 = get();

268
                assertEquals(val3, (isStableEnabled ? (isStableEnabled ? Values.A : Values.B)

269
                                                    : Values.C));

270


271
                c.v[0] = new Object[1][1]; c.v[0][0][0] = Values.D; Object val4 = get();

272
                assertEquals(val4, (isStableEnabled ? (isStableEnabled ? Values.A : Values.B)

273
                                                    : Values.D));

274


275
                c.v[0][0] = new Object[1]; c.v[0][0][0] = Values.E; Object val5 = get();

276
                assertEquals(val5, (isStableEnabled ? (isStableEnabled ? Values.A : Values.B)

277
                                                    : Values.E));

278
            }

279


280
            {

281
                c.v = new Object[1][1][1]; Object[] val1 = get1();

282
                c.v[0][0] = new Object[1]; Object[] val2 = get1();

283
                assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));

284
            }

285


286
            {

287
                c.v = new Object[1][1][1]; Object[][] val1 = get2();

288
                c.v[0] = new Object[1][1]; Object[][] val2 = get2();

289
                assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));

290
            }

291


292
            {

293
                c.v = new Object[1][1][1]; Object[][][] val1 = get3();

294
                c.v = new Object[1][1][1]; Object[][][] val2 = get3();

295
                assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));

296
            }

297
        }

298
    }

299


300
    /* ==================================================== */

301


302
    static class ObjectArrayDim4 {

303
        public @Stable Object[][][][] v;

304


305
        public static final ObjectArrayDim4 c = new ObjectArrayDim4();

306
        public static Object get() { return c.v[0][0][0][0]; }

307
        public static Object[] get1() { return c.v[0][0][0]; }

308
        public static Object[][] get2() { return c.v[0][0]; }

309
        public static Object[][][] get3() { return c.v[0]; }

310
        public static Object[][][][] get4() { return c.v; }

311
        public static void test() throws Exception {

312
            {

313
                c.v = new Object[1][1][1][1]; c.v[0][0][0][0] = Values.A; Object val1 = get();

314
                                              c.v[0][0][0][0] = Values.B; Object val2 = get();

315
                assertEquals(val1, Values.A);

316
                assertEquals(val2, (isStableEnabled ? Values.A : Values.B));

317


318
                c.v = new Object[1][1][1][1]; c.v[0][0][0][0] = Values.C; Object val3 = get();

319
                assertEquals(val3, (isStableEnabled ? (isStableEnabled ? Values.A : Values.B)

320
                                                    : Values.C));

321


322
                c.v[0] = new Object[1][1][1]; c.v[0][0][0][0] = Values.D; Object val4 = get();

323
                assertEquals(val4, (isStableEnabled ? (isStableEnabled ? Values.A : Values.B)

324
                                                    : Values.D));

325


326
                c.v[0][0] = new Object[1][1]; c.v[0][0][0][0] = Values.E; Object val5 = get();

327
                assertEquals(val5, (isStableEnabled ? (isStableEnabled ? Values.A : Values.B)

328
                                                    : Values.E));

329


330
                c.v[0][0][0] = new Object[1]; c.v[0][0][0][0] = Values.F; Object val6 = get();

331
                assertEquals(val6, (isStableEnabled ? (isStableEnabled ? Values.A : Values.B)

332
                                                    : Values.F));

333
            }

334


335
            {

336
                c.v = new Object[1][1][1][1]; Object[] val1 = get1();

337
                c.v[0][0][0] = new Object[1]; Object[] val2 = get1();

338
                assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));

339
            }

340


341
            {

342
                c.v = new Object[1][1][1][1]; Object[][] val1 = get2();

343
                c.v[0][0] = new Object[1][1]; Object[][] val2 = get2();

344
                assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));

345
            }

346


347
            {

348
                c.v = new Object[1][1][1][1]; Object[][][] val1 = get3();

349
                c.v[0] = new Object[1][1][1]; Object[][][] val2 = get3();

350
                assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));

351
            }

352


353
            {

354
                c.v = new Object[1][1][1][1]; Object[][][][] val1 = get4();

355
                c.v = new Object[1][1][1][1]; Object[][][][] val2 = get4();

356
                assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));

357
            }

358
        }

359
    }

360


361
    /* ==================================================== */

362
    // Dynamic Dim is higher than static

363
    static class ObjectArrayLowerDim0 {

364
        public @Stable Object v;

365


366
        public static final ObjectArrayLowerDim0 c = new ObjectArrayLowerDim0();

367
        public static Object get() { return ((Object[])c.v)[0]; }

368
        public static Object[] get1() { return (Object[])c.v; }

369


370
        public static void test() throws Exception {

371
            {

372
                c.v = new Object[1]; ((Object[])c.v)[0] = Values.A; Object val1 = get();

373
                                     ((Object[])c.v)[0] = Values.B; Object val2 = get();

374


375
                assertEquals(val1, Values.A);

376
                assertEquals(val2, Values.B);

377
            }

378


379
            {

380
                c.v = new Object[1]; Object[] val1 = get1();

381
                c.v = new Object[1]; Object[] val2 = get1();

382
                assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));

383
            }

384
        }

385
    }

386


387
    /* ==================================================== */

388


389
    static class ObjectArrayLowerDim1 {

390
        public @Stable Object[] v;

391


392
        public static final ObjectArrayLowerDim1 c = new ObjectArrayLowerDim1();

393
        public static Object get() { return ((Object[][])c.v)[0][0]; }

394
        public static Object[] get1() { return (Object[])(c.v[0]); }

395
        public static Object[] get2() { return c.v; }

396


397
        public static void test() throws Exception {

398
            {

399
                c.v = new Object[1][1]; ((Object[][])c.v)[0][0] = Values.A; Object val1 = get();

400
                                        ((Object[][])c.v)[0][0] = Values.B; Object val2 = get();

401


402
                assertEquals(val1, Values.A);

403
                assertEquals(val2, Values.B);

404
            }

405


406
            {

407
                c.v = new Object[1][1]; c.v[0] = new Object[0]; Object[] val1 = get1();

408
                                        c.v[0] = new Object[0]; Object[] val2 = get1();

409


410
                assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));

411
            }

412


413
            {

414
                c.v = new Object[0][0]; Object[] val1 = get2();

415
                c.v = new Object[0][0]; Object[] val2 = get2();

416


417
                assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));

418
            }

419
        }

420
    }

421


422
    /* ==================================================== */

423


424
    static class ObjectArrayLowerDim2 {

425
        public @Stable Object[][] v;

426


427
        public static final ObjectArrayLowerDim2 c = new ObjectArrayLowerDim2();

428
        public static Object get() { return ((Object[][][])c.v)[0][0][0]; }

429
        public static Object[] get1() { return (Object[])(c.v[0][0]); }

430
        public static Object[][] get2() { return (Object[][])(c.v[0]); }

431
        public static Object[][] get3() { return c.v; }

432


433
        public static void test() throws Exception {

434
            {

435
                c.v = new Object[1][1][1]; ((Object[][][])c.v)[0][0][0] = Values.A; Object val1 = get();

436
                                           ((Object[][][])c.v)[0][0][0] = Values.B; Object val2 = get();

437


438
                assertEquals(val1, Values.A);

439
                assertEquals(val2, Values.B);

440
            }

441


442
            {

443
                c.v = new Object[1][1][1]; c.v[0][0] = new Object[0]; Object[] val1 = get1();

444
                                           c.v[0][0] = new Object[0]; Object[] val2 = get1();

445


446
                assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));

447
            }

448


449
            {

450
                c.v = new Object[1][1][1]; c.v[0] = new Object[0][0]; Object[][] val1 = get2();

451
                                           c.v[0] = new Object[0][0]; Object[][] val2 = get2();

452


453
                assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));

454
            }

455


456
            {

457
                c.v = new Object[0][0][0]; Object[][] val1 = get3();

458
                c.v = new Object[0][0][0]; Object[][] val2 = get3();

459


460
                assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));

461
            }

462
        }

463
    }

464


465
    /* ==================================================== */

466


467
    static class NestedStableField {

468
        static class A {

469
            public @Stable Object a;

470


471
        }

472
        public @Stable A v;

473


474
        public static final NestedStableField c = new NestedStableField();

475
        public static A get() { return c.v; }

476
        public static Object get1() { return get().a; }

477


478
        public static void test() throws Exception {

479
            {

480
                c.v = new A(); c.v.a = Values.A; A val1 = get();

481
                               c.v.a = Values.B; A val2 = get();

482


483
                assertEquals(val1.a, Values.B);

484
                assertEquals(val2.a, Values.B);

485
            }

486


487
            {

488
                c.v = new A(); c.v.a = Values.A; Object val1 = get1();

489
                               c.v.a = Values.B; Object val2 = get1();

490
                c.v = new A(); c.v.a = Values.C; Object val3 = get1();

491


492
                assertEquals(val1, Values.A);

493
                assertEquals(val2, (isStableEnabled ? Values.A : Values.B));

494
                assertEquals(val3, (isStableEnabled ? Values.A : Values.C));

495
            }

496
        }

497
    }

498


499
    /* ==================================================== */

500


501
    static class NestedStableField1 {

502
        static class A {

503
            public @Stable Object a;

504
            public @Stable A next;

505
        }

506
        public @Stable A v;

507


508
        public static final NestedStableField1 c = new NestedStableField1();

509
        public static A get() { return c.v.next.next.next.next.next.next.next; }

510
        public static Object get1() { return get().a; }

511


512
        public static void test() throws Exception {

513
            {

514
                c.v = new A(); c.v.next = new A();   c.v.next.next  = c.v;

515
                               c.v.a = Values.A; c.v.next.a = Values.A; A val1 = get();

516
                               c.v.a = Values.B; c.v.next.a = Values.B; A val2 = get();

517


518
                assertEquals(val1.a, Values.B);

519
                assertEquals(val2.a, Values.B);

520
            }

521


522
            {

523
                c.v = new A(); c.v.next = c.v;

524
                               c.v.a = Values.A; Object val1 = get1();

525
                               c.v.a = Values.B; Object val2 = get1();

526
                c.v = new A(); c.v.next = c.v;

527
                               c.v.a = Values.C; Object val3 = get1();

528


529
                assertEquals(val1, Values.A);

530
                assertEquals(val2, (isStableEnabled ? Values.A : Values.B));

531
                assertEquals(val3, (isStableEnabled ? Values.A : Values.C));

532
            }

533
        }

534
    }

535
   /* ==================================================== */

536


537
    static class NestedStableField2 {

538
        static class A {

539
            public @Stable Object a;

540
            public @Stable A left;

541
            public         A right;

542
        }

543


544
        public @Stable A v;

545


546
        public static final NestedStableField2 c = new NestedStableField2();

547
        public static Object get() { return c.v.left.left.left.a; }

548
        public static Object get1() { return c.v.left.left.right.left.a; }

549


550
        public static void test() throws Exception {

551
            {

552
                c.v = new A(); c.v.left = c.v.right = c.v;

553
                               c.v.a = Values.A; Object val1 = get(); Object val2 = get1();

554
                               c.v.a = Values.B; Object val3 = get(); Object val4 = get1();

555


556
                assertEquals(val1, Values.A);

557
                assertEquals(val3, (isStableEnabled ? Values.A : Values.B));

558


559
                assertEquals(val2, Values.A);

560
                assertEquals(val4, Values.B);

561
            }

562
        }

563
    }

564


565
    /* ==================================================== */

566


567
    static class NestedStableField3 {

568
        static class A {

569
            public @Stable Object a;

570
            public @Stable A[] left;

571
            public         A[] right;

572
        }

573


574
        public @Stable A[] v;

575


576
        public static final NestedStableField3 c = new NestedStableField3();

577
        public static Object get() { return c.v[0].left[1].left[0].left[1].a; }

578
        public static Object get1() { return c.v[1].left[0].left[1].right[0].left[1].a; }

579


580
        public static void test() throws Exception {

581
            {

582
                A elem = new A();

583
                c.v = new A[] { elem, elem }; c.v[0].left = c.v[0].right = c.v;

584
                               elem.a = Values.A; Object val1 = get(); Object val2 = get1();

585
                               elem.a = Values.B; Object val3 = get(); Object val4 = get1();

586


587
                assertEquals(val1, Values.A);

588
                assertEquals(val3, (isStableEnabled ? Values.A : Values.B));

589


590
                assertEquals(val2, Values.A);

591
                assertEquals(val4, Values.B);

592
            }

593
        }

594
    }

595


596
    /* ==================================================== */

597
    // Auxiliary methods

598
    static void assertEquals(Object i, Object j) { if (i != j)  throw new AssertionError(i + " != " + j); }

599
    static void assertTrue(boolean b) { if (!b)  throw new AssertionError(); }

600


601
    static boolean failed = false;

602


603
    public static void run(Class<?> test) {

604
        Throwable ex = null;

605
        System.out.print(test.getName()+": ");

606
        try {

607
            test.getMethod("test").invoke(null);

608
        } catch (InvocationTargetException e) {

609
            ex = e.getCause();

610
        } catch (Throwable e) {

611
            ex = e;

612
        } finally {

613
            if (ex == null) {

614
                System.out.println("PASSED");

615
            } else {

616
                failed = true;

617
                System.out.println("FAILED");

618
                ex.printStackTrace(System.out);

619
            }

620
        }

621
    }

622
}

623


624