test/hotspot/jtreg/compiler/stable/TestStableBoolean.java - platform/libcore - Git at Google

 /*
  * Copyright (c) 2014, 2018, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 only, as
  * published by the Free Software Foundation.
  *
  * This code is distributed in the hope that it will be useful, but WITHOUT
  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  * version 2 for more details (a copy is included in the LICENSE file that
  * accompanied this code).
  *
  * You should have received a copy of the GNU General Public License version
  * 2 along with this work; if not, write to the Free Software Foundation,
  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  *
  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  * or visit www.oracle.com if you need additional information or have any
  * questions.
  */

 /*
  * @test TestStableBoolean
  * @summary tests on stable fields and arrays
  * @library /test/lib /
  * @modules java.base/jdk.internal.misc
  * @modules java.base/jdk.internal.vm.annotation
  * @build sun.hotspot.WhiteBox
  *
  * @run main/bootclasspath/othervm -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xcomp
  *                                 -XX:CompileOnly=::get,::get1,::get2,::get3,::get4
  *                                 -XX:-TieredCompilation
  *                                 -XX:+FoldStableValues
  *                                 compiler.stable.TestStableBoolean
  * @run main/bootclasspath/othervm -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xcomp
  *                                 -XX:CompileOnly=::get,::get1,::get2,::get3,::get4
  *                                 -XX:-TieredCompilation
  *                                 -XX:-FoldStableValues
  *                                 compiler.stable.TestStableBoolean
  *
  * @run main/bootclasspath/othervm -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xcomp
  *                                 -XX:CompileOnly=::get,::get1,::get2,::get3,::get4
  *                                 -XX:+TieredCompilation -XX:TieredStopAtLevel=1
  *                                 -XX:+FoldStableValues
  *                                 compiler.stable.TestStableBoolean
  * @run main/bootclasspath/othervm -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xcomp
  *                                 -XX:CompileOnly=::get,::get1,::get2,::get3,::get4
  *                                 -XX:+TieredCompilation -XX:TieredStopAtLevel=1
  *                                 -XX:-FoldStableValues
  *                                 compiler.stable.TestStableBoolean
  */

 package compiler.stable;

 import jdk.internal.vm.annotation.Stable;

 import java.lang.reflect.InvocationTargetException;

 public class TestStableBoolean {
     static final boolean isStableEnabled = StableConfiguration.isStableEnabled;

     public static void main(String[] args) throws Exception {
         run(DefaultValue.class);
         run(BooleanStable.class);
         run(DefaultStaticValue.class);
         run(StaticBooleanStable.class);
         run(VolatileBooleanStable.class);

         // @Stable arrays: Dim 1-4
         run(BooleanArrayDim1.class);
         run(BooleanArrayDim2.class);
         run(BooleanArrayDim3.class);
         run(BooleanArrayDim4.class);

         // @Stable Object field: dynamic arrays
         run(ObjectArrayLowerDim0.class);
         run(ObjectArrayLowerDim1.class);
         run(ObjectArrayLowerDim2.class);

         // Nested @Stable fields
         run(NestedStableField.class);
         run(NestedStableField1.class);
         run(NestedStableField2.class);
         run(NestedStableField3.class);

         if (failed) {
             throw new Error("TEST FAILED");
         }
     }

     /* ==================================================== */

     static class DefaultValue {
         public @Stable boolean v;

         public static final DefaultValue c = new DefaultValue();
         public static boolean get() { return c.v; }
         public static void test() throws Exception {
                         boolean val1 = get();
             c.v = true; boolean val2 = get();
             assertEquals(val1, false);
             assertEquals(val2, true);
         }
     }

     /* ==================================================== */

     static class BooleanStable {
         public @Stable boolean v;

         public static final BooleanStable c = new BooleanStable();
         public static boolean get() { return c.v; }
         public static void test() throws Exception {
             c.v = true; boolean val1 = get();
             c.v = false; boolean val2 = get();
             assertEquals(val1, true);
             assertEquals(val2, (isStableEnabled ? true : false));
         }
     }

     /* ==================================================== */

     static class DefaultStaticValue {
         public static @Stable boolean v;

         public static final DefaultStaticValue c = new DefaultStaticValue();
         public static boolean get() { return c.v; }
         public static void test() throws Exception {
                         boolean val1 = get();
             c.v = true; boolean val2 = get();
             assertEquals(val1, false);
             assertEquals(val2, true);
         }
     }

     /* ==================================================== */

     static class StaticBooleanStable {
         public static @Stable boolean v;

         public static final StaticBooleanStable c = new StaticBooleanStable();
         public static boolean get() { return c.v; }
         public static void test() throws Exception {
             c.v = true; boolean val1 = get();
             c.v = false; boolean val2 = get();
             assertEquals(val1, true);
             assertEquals(val2, (isStableEnabled ? true : false));
         }
     }

     /* ==================================================== */

     static class VolatileBooleanStable {
         public @Stable volatile boolean v;

         public static final VolatileBooleanStable c = new VolatileBooleanStable();
         public static boolean get() { return c.v; }
         public static void test() throws Exception {
             c.v = true; boolean val1 = get();
             c.v = false; boolean val2 = get();
             assertEquals(val1, true);
             assertEquals(val2, (isStableEnabled ? true : false));
         }
     }

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

     static class BooleanArrayDim1 {
         public @Stable boolean[] v;

         public static final BooleanArrayDim1 c = new BooleanArrayDim1();
         public static boolean get() { return c.v[0]; }
         public static boolean get1() { return c.v[10]; }
         public static boolean[] get2() { return c.v; }
         public static void test() throws Exception {
             {
                 c.v = new boolean[1]; c.v[0] = true;  boolean val1 = get();
                                       c.v[0] = false; boolean val2 = get();
                 assertEquals(val1, true);
                 assertEquals(val2, (isStableEnabled ? true : false));
             }

             {
                 c.v = new boolean[20]; c.v[10] = true;  boolean val1 = get1();
                                        c.v[10] = false; boolean val2 = get1();
                 assertEquals(val1, true);
                 assertEquals(val2, (isStableEnabled ? true : false));
             }

             {
                 c.v = new boolean[1]; boolean[] val1 = get2();
                 c.v = new boolean[1]; boolean[] val2 = get2();
                 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
             }
         }
     }

     /* ==================================================== */

     static class BooleanArrayDim2 {
         public @Stable boolean[][] v;

         public static final BooleanArrayDim2 c = new BooleanArrayDim2();
         public static boolean get() { return c.v[0][0]; }
         public static boolean[] get1() { return c.v[0]; }
         public static boolean[][] get2() { return c.v; }
         public static void test() throws Exception {
             {
                 c.v = new boolean[1][1]; c.v[0][0] = true;  boolean val1 = get();
                                          c.v[0][0] = false; boolean val2 = get();
                 assertEquals(val1, true);
                 assertEquals(val2, (isStableEnabled ? true : false));

                 c.v = new boolean[1][1]; c.v[0][0] = false; boolean val3 = get();
                 assertEquals(val3, (isStableEnabled ? true : false));

                 c.v[0] = new boolean[1]; c.v[0][0] = false; boolean val4 = get();
                 assertEquals(val4, (isStableEnabled ? true : false));
             }

             {
                 c.v = new boolean[1][1]; boolean[] val1 = get1();
                 c.v[0] = new boolean[1]; boolean[] val2 = get1();
                 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
             }

             {
                 c.v = new boolean[1][1]; boolean[][] val1 = get2();
                 c.v = new boolean[1][1]; boolean[][] val2 = get2();
                 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
             }
         }
     }

     /* ==================================================== */

     static class BooleanArrayDim3 {
         public @Stable boolean[][][] v;

         public static final BooleanArrayDim3 c = new BooleanArrayDim3();
         public static boolean get() { return c.v[0][0][0]; }
         public static boolean[] get1() { return c.v[0][0]; }
         public static boolean[][] get2() { return c.v[0]; }
         public static boolean[][][] get3() { return c.v; }
         public static void test() throws Exception {
             {
                 c.v = new boolean[1][1][1]; c.v[0][0][0] = true;  boolean val1 = get();
                                             c.v[0][0][0] = false; boolean val2 = get();
                 assertEquals(val1, true);
                 assertEquals(val2, (isStableEnabled ? true : false));

                 c.v = new boolean[1][1][1]; c.v[0][0][0] = false; boolean val3 = get();
                 assertEquals(val3, (isStableEnabled ? true : false));

                 c.v[0] = new boolean[1][1]; c.v[0][0][0] = false; boolean val4 = get();
                 assertEquals(val4, (isStableEnabled ? true : false));

                 c.v[0][0] = new boolean[1]; c.v[0][0][0] = false; boolean val5 = get();
                 assertEquals(val5, (isStableEnabled ? true : false));
             }

             {
                 c.v = new boolean[1][1][1]; boolean[] val1 = get1();
                 c.v[0][0] = new boolean[1]; boolean[] val2 = get1();
                 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
             }

             {
                 c.v = new boolean[1][1][1]; boolean[][] val1 = get2();
                 c.v[0] = new boolean[1][1]; boolean[][] val2 = get2();
                 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
             }

             {
                 c.v = new boolean[1][1][1]; boolean[][][] val1 = get3();
                 c.v = new boolean[1][1][1]; boolean[][][] val2 = get3();
                 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
             }
         }
     }

     /* ==================================================== */

     static class BooleanArrayDim4 {
         public @Stable boolean[][][][] v;

         public static final BooleanArrayDim4 c = new BooleanArrayDim4();
         public static boolean get() { return c.v[0][0][0][0]; }
         public static boolean[] get1() { return c.v[0][0][0]; }
         public static boolean[][] get2() { return c.v[0][0]; }
         public static boolean[][][] get3() { return c.v[0]; }
         public static boolean[][][][] get4() { return c.v; }
         public static void test() throws Exception {
             {
                 c.v = new boolean[1][1][1][1]; c.v[0][0][0][0] = true;  boolean val1 = get();
                                                c.v[0][0][0][0] = false; boolean val2 = get();
                 assertEquals(val1, true);
                 assertEquals(val2, (isStableEnabled ? true : false));

                 c.v = new boolean[1][1][1][1]; c.v[0][0][0][0] = false; boolean val3 = get();
                 assertEquals(val3, (isStableEnabled ? true : false));

                 c.v[0] = new boolean[1][1][1]; c.v[0][0][0][0] = false; boolean val4 = get();
                 assertEquals(val4, (isStableEnabled ? true : false));

                 c.v[0][0] = new boolean[1][1]; c.v[0][0][0][0] = false; boolean val5 = get();
                 assertEquals(val5, (isStableEnabled ? true : false));

                 c.v[0][0][0] = new boolean[1]; c.v[0][0][0][0] = false; boolean val6 = get();
                 assertEquals(val6, (isStableEnabled ? true : false));
             }

             {
                 c.v = new boolean[1][1][1][1]; boolean[] val1 = get1();
                 c.v[0][0][0] = new boolean[1]; boolean[] val2 = get1();
                 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
             }

             {
                 c.v = new boolean[1][1][1][1]; boolean[][] val1 = get2();
                 c.v[0][0] = new boolean[1][1]; boolean[][] val2 = get2();
                 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
             }

             {
                 c.v = new boolean[1][1][1][1]; boolean[][][] val1 = get3();
                 c.v[0] = new boolean[1][1][1]; boolean[][][] val2 = get3();
                 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
             }

             {
                 c.v = new boolean[1][1][1][1]; boolean[][][][] val1 = get4();
                 c.v = new boolean[1][1][1][1]; boolean[][][][] val2 = get4();
                 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
             }

         }
     }

     /* ==================================================== */
     // Dynamic Dim is higher than static

     static class ObjectArrayLowerDim0 {
         public @Stable Object v;

         public static final ObjectArrayLowerDim0 c = new ObjectArrayLowerDim0();
         public static boolean get() { return ((boolean[])c.v)[0]; }
         public static boolean[] get1() { return (boolean[])c.v; }
         public static boolean[] get2() { return (boolean[])c.v; }

         public static void test() throws Exception {
             {
                 c.v = new boolean[1]; ((boolean[])c.v)[0] = true;  boolean val1 = get();
                                       ((boolean[])c.v)[0] = false; boolean val2 = get();

                 assertEquals(val1, true);
                 assertEquals(val2, false);
             }

             {
                 c.v = new boolean[1]; boolean[] val1 = get1();
                 c.v = new boolean[1]; boolean[] val2 = get1();
                 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
             }
         }
     }

     /* ==================================================== */

     static class ObjectArrayLowerDim1 {
         public @Stable Object[] v;

         public static final ObjectArrayLowerDim1 c = new ObjectArrayLowerDim1();
         public static boolean get() { return ((boolean[][])c.v)[0][0]; }
         public static boolean[] get1() { return (boolean[])(c.v[0]); }
         public static Object[] get2() { return c.v; }

         public static void test() throws Exception {
             {
                 c.v = new boolean[1][1]; ((boolean[][])c.v)[0][0] = true;  boolean val1 = get();
                                          ((boolean[][])c.v)[0][0] = false; boolean val2 = get();

                 assertEquals(val1, true);
                 assertEquals(val2, false);
             }

             {
                 c.v = new boolean[1][1]; c.v[0] = new boolean[0]; boolean[] val1 = get1();
                                          c.v[0] = new boolean[0]; boolean[] val2 = get1();

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

             {
                 c.v = new boolean[0][0]; Object[] val1 = get2();
                 c.v = new boolean[0][0]; Object[] val2 = get2();

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

     /* ==================================================== */

     static class ObjectArrayLowerDim2 {
         public @Stable Object[][] v;

         public static final ObjectArrayLowerDim2 c = new ObjectArrayLowerDim2();
         public static boolean get() { return ((boolean[][][])c.v)[0][0][0]; }
         public static boolean[] get1() { return (boolean[])(c.v[0][0]); }
         public static boolean[][] get2() { return (boolean[][])(c.v[0]); }
         public static Object[][] get3() { return c.v; }

         public static void test() throws Exception {
             {
                 c.v = new boolean[1][1][1]; ((boolean[][][])c.v)[0][0][0] = true;  boolean val1 = get();
                                             ((boolean[][][])c.v)[0][0][0] = false; boolean val2 = get();

                 assertEquals(val1, true);
                 assertEquals(val2, false);
             }

             {
                 c.v = new boolean[1][1][1]; c.v[0][0] = new boolean[0]; boolean[] val1 = get1();
                                             c.v[0][0] = new boolean[0]; boolean[] val2 = get1();

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

             {
                 c.v = new boolean[1][1][1]; c.v[0] = new boolean[0][0]; boolean[][] val1 = get2();
                                             c.v[0] = new boolean[0][0]; boolean[][] val2 = get2();

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

             {
                 c.v = new boolean[0][0][0]; Object[][] val1 = get3();
                 c.v = new boolean[0][0][0]; Object[][] val2 = get3();

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

     /* ==================================================== */

     static class NestedStableField {
         static class A {
             public @Stable boolean a;

         }
         public @Stable A v;

         public static final NestedStableField c = new NestedStableField();
         public static A get() { return c.v; }
         public static boolean get1() { return get().a; }

         public static void test() throws Exception {
             {
                 c.v = new A(); c.v.a = true;  A val1 = get();
                                c.v.a = false; A val2 = get();

                 assertEquals(val1.a, false);
                 assertEquals(val2.a, false);
             }

             {
                 c.v = new A(); c.v.a = true;  boolean val1 = get1();
                                c.v.a = false; boolean val2 = get1();
                 c.v = new A(); c.v.a = false; boolean val3 = get1();

                 assertEquals(val1, true);
                 assertEquals(val2, (isStableEnabled ? true : false));
                 assertEquals(val3, (isStableEnabled ? true : false));
             }
         }
     }

     /* ==================================================== */

     static class NestedStableField1 {
         static class A {
             public @Stable boolean a;
             public @Stable A next;
         }
         public @Stable A v;

         public static final NestedStableField1 c = new NestedStableField1();
         public static A get() { return c.v.next.next.next.next.next.next.next; }
         public static boolean get1() { return get().a; }

         public static void test() throws Exception {
             {
                 c.v = new A(); c.v.next = new A(); c.v.next.next  = c.v;
                                c.v.a = true;  c.v.next.a = true;  A val1 = get();
                                c.v.a = false; c.v.next.a = false; A val2 = get();

                 assertEquals(val1.a, false);
                 assertEquals(val2.a, false);
             }

             {
                 c.v = new A(); c.v.next = c.v;
                                c.v.a = true;  boolean val1 = get1();
                                c.v.a = false; boolean val2 = get1();
                 c.v = new A(); c.v.next = c.v;
                                c.v.a = false; boolean val3 = get1();

                 assertEquals(val1, true);
                 assertEquals(val2, (isStableEnabled ? true : false));
                 assertEquals(val3, (isStableEnabled ? true : false));
             }
         }
     }
    /* ==================================================== */

     static class NestedStableField2 {
         static class A {
             public @Stable boolean a;
             public @Stable A left;
             public         A right;
         }

         public @Stable A v;

         public static final NestedStableField2 c = new NestedStableField2();
         public static boolean get() { return c.v.left.left.left.a; }
         public static boolean get1() { return c.v.left.left.right.left.a; }

         public static void test() throws Exception {
             {
                 c.v = new A(); c.v.left = c.v.right = c.v;
                                c.v.a = true;  boolean val1 = get(); boolean val2 = get1();
                                c.v.a = false; boolean val3 = get(); boolean val4 = get1();

                 assertEquals(val1, true);
                 assertEquals(val3, (isStableEnabled ? true : false));

                 assertEquals(val2, true);
                 assertEquals(val4, false);
             }
         }
     }

     /* ==================================================== */

     static class NestedStableField3 {
         static class A {
             public @Stable boolean a;
             public @Stable A[] left;
             public         A[] right;
         }

         public @Stable A[] v;

         public static final NestedStableField3 c = new NestedStableField3();
         public static boolean get() { return c.v[0].left[1].left[0].left[1].a; }
         public static boolean get1() { return c.v[1].left[0].left[1].right[0].left[1].a; }

         public static void test() throws Exception {
             {
                 A elem = new A();
                 c.v = new A[] { elem, elem }; c.v[0].left = c.v[0].right = c.v;
                                elem.a = true;  boolean val1 = get(); boolean val2 = get1();
                                elem.a = false; boolean val3 = get(); boolean val4 = get1();

                 assertEquals(val1, true);
                 assertEquals(val3, (isStableEnabled ? true : false));

                 assertEquals(val2, true);
                 assertEquals(val4, false);
             }
         }
     }

     /* ==================================================== */
     // Auxiliary methods
     static void assertEquals(boolean i, boolean j) { if (i != j)  throw new AssertionError(i + " != " + j); }
     static void assertTrue(boolean b) { if (!b)  throw new AssertionError(); }

     static boolean failed = false;

     public static void run(Class<?> test) {
         Throwable ex = null;
         System.out.print(test.getName()+": ");
         try {
             test.getMethod("test").invoke(null);
         } catch (InvocationTargetException e) {
             ex = e.getCause();
         } catch (Throwable e) {
             ex = e;
         } finally {
             if (ex == null) {
                 System.out.println("PASSED");
             } else {
                 failed = true;
                 System.out.println("FAILED");
                 ex.printStackTrace(System.out);
             }
         }
     }
 }
	/*
	* Copyright (c) 2014, 2018, Oracle and/or its affiliates. All rights reserved.
	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
	*
	* This code is free software; you can redistribute it and/or modify it
	* under the terms of the GNU General Public License version 2 only, as
	* published by the Free Software Foundation.
	*
	* This code is distributed in the hope that it will be useful, but WITHOUT
	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
	* version 2 for more details (a copy is included in the LICENSE file that
	* accompanied this code).
	*
	* You should have received a copy of the GNU General Public License version
	* 2 along with this work; if not, write to the Free Software Foundation,
	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
	*
	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
	* or visit www.oracle.com if you need additional information or have any
	* questions.
	*/

	/*
	* @test TestStableBoolean
	* @summary tests on stable fields and arrays
	* @library /test/lib /
	* @modules java.base/jdk.internal.misc
	* @modules java.base/jdk.internal.vm.annotation
	* @build sun.hotspot.WhiteBox
	*
	* @run main/bootclasspath/othervm -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xcomp
	* -XX:CompileOnly=::get,::get1,::get2,::get3,::get4
	* -XX:-TieredCompilation
	* -XX:+FoldStableValues
	* compiler.stable.TestStableBoolean
	* @run main/bootclasspath/othervm -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xcomp
	* -XX:CompileOnly=::get,::get1,::get2,::get3,::get4
	* -XX:-TieredCompilation
	* -XX:-FoldStableValues
	* compiler.stable.TestStableBoolean
	*
	* @run main/bootclasspath/othervm -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xcomp
	* -XX:CompileOnly=::get,::get1,::get2,::get3,::get4
	* -XX:+TieredCompilation -XX:TieredStopAtLevel=1
	* -XX:+FoldStableValues
	* compiler.stable.TestStableBoolean
	* @run main/bootclasspath/othervm -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xcomp
	* -XX:CompileOnly=::get,::get1,::get2,::get3,::get4
	* -XX:+TieredCompilation -XX:TieredStopAtLevel=1
	* -XX:-FoldStableValues
	* compiler.stable.TestStableBoolean
	*/

	package compiler.stable;

	import jdk.internal.vm.annotation.Stable;

	import java.lang.reflect.InvocationTargetException;

	public class TestStableBoolean {
	static final boolean isStableEnabled = StableConfiguration.isStableEnabled;

	public static void main(String[] args) throws Exception {
	run(DefaultValue.class);
	run(BooleanStable.class);
	run(DefaultStaticValue.class);
	run(StaticBooleanStable.class);
	run(VolatileBooleanStable.class);

	// @Stable arrays: Dim 1-4
	run(BooleanArrayDim1.class);
	run(BooleanArrayDim2.class);
	run(BooleanArrayDim3.class);
	run(BooleanArrayDim4.class);

	// @Stable Object field: dynamic arrays
	run(ObjectArrayLowerDim0.class);
	run(ObjectArrayLowerDim1.class);
	run(ObjectArrayLowerDim2.class);

	// Nested @Stable fields
	run(NestedStableField.class);
	run(NestedStableField1.class);
	run(NestedStableField2.class);
	run(NestedStableField3.class);

	if (failed) {
	throw new Error("TEST FAILED");
	}
	}

	/* ==================================================== */

	static class DefaultValue {
	public @Stable boolean v;

	public static final DefaultValue c = new DefaultValue();
	public static boolean get() { return c.v; }
	public static void test() throws Exception {
	boolean val1 = get();
	c.v = true; boolean val2 = get();
	assertEquals(val1, false);
	assertEquals(val2, true);
	}
	}

	/* ==================================================== */

	static class BooleanStable {
	public @Stable boolean v;

	public static final BooleanStable c = new BooleanStable();
	public static boolean get() { return c.v; }
	public static void test() throws Exception {
	c.v = true; boolean val1 = get();
	c.v = false; boolean val2 = get();
	assertEquals(val1, true);
	assertEquals(val2, (isStableEnabled ? true : false));
	}
	}

	/* ==================================================== */

	static class DefaultStaticValue {
	public static @Stable boolean v;

	public static final DefaultStaticValue c = new DefaultStaticValue();
	public static boolean get() { return c.v; }
	public static void test() throws Exception {
	boolean val1 = get();
	c.v = true; boolean val2 = get();
	assertEquals(val1, false);
	assertEquals(val2, true);
	}
	}

	/* ==================================================== */

	static class StaticBooleanStable {
	public static @Stable boolean v;

	public static final StaticBooleanStable c = new StaticBooleanStable();
	public static boolean get() { return c.v; }
	public static void test() throws Exception {
	c.v = true; boolean val1 = get();
	c.v = false; boolean val2 = get();
	assertEquals(val1, true);
	assertEquals(val2, (isStableEnabled ? true : false));
	}
	}

	/* ==================================================== */

	static class VolatileBooleanStable {
	public @Stable volatile boolean v;

	public static final VolatileBooleanStable c = new VolatileBooleanStable();
	public static boolean get() { return c.v; }
	public static void test() throws Exception {
	c.v = true; boolean val1 = get();
	c.v = false; boolean val2 = get();
	assertEquals(val1, true);
	assertEquals(val2, (isStableEnabled ? true : false));
	}
	}

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

	static class BooleanArrayDim1 {
	public @Stable boolean[] v;

	public static final BooleanArrayDim1 c = new BooleanArrayDim1();
	public static boolean get() { return c.v[0]; }
	public static boolean get1() { return c.v[10]; }
	public static boolean[] get2() { return c.v; }
	public static void test() throws Exception {
	{
	c.v = new boolean[1]; c.v[0] = true; boolean val1 = get();
	c.v[0] = false; boolean val2 = get();
	assertEquals(val1, true);
	assertEquals(val2, (isStableEnabled ? true : false));
	}

	{
	c.v = new boolean[20]; c.v[10] = true; boolean val1 = get1();
	c.v[10] = false; boolean val2 = get1();
	assertEquals(val1, true);
	assertEquals(val2, (isStableEnabled ? true : false));
	}

	{
	c.v = new boolean[1]; boolean[] val1 = get2();
	c.v = new boolean[1]; boolean[] val2 = get2();
	assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
	}
	}
	}

	/* ==================================================== */

	static class BooleanArrayDim2 {
	public @Stable boolean[][] v;

	public static final BooleanArrayDim2 c = new BooleanArrayDim2();
	public static boolean get() { return c.v[0][0]; }
	public static boolean[] get1() { return c.v[0]; }
	public static boolean[][] get2() { return c.v; }
	public static void test() throws Exception {
	{
	c.v = new boolean[1][1]; c.v[0][0] = true; boolean val1 = get();
	c.v[0][0] = false; boolean val2 = get();
	assertEquals(val1, true);
	assertEquals(val2, (isStableEnabled ? true : false));

	c.v = new boolean[1][1]; c.v[0][0] = false; boolean val3 = get();
	assertEquals(val3, (isStableEnabled ? true : false));

	c.v[0] = new boolean[1]; c.v[0][0] = false; boolean val4 = get();
	assertEquals(val4, (isStableEnabled ? true : false));
	}

	{
	c.v = new boolean[1][1]; boolean[] val1 = get1();
	c.v[0] = new boolean[1]; boolean[] val2 = get1();
	assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
	}

	{
	c.v = new boolean[1][1]; boolean[][] val1 = get2();
	c.v = new boolean[1][1]; boolean[][] val2 = get2();
	assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
	}
	}
	}

	/* ==================================================== */

	static class BooleanArrayDim3 {
	public @Stable boolean[][][] v;

	public static final BooleanArrayDim3 c = new BooleanArrayDim3();
	public static boolean get() { return c.v[0][0][0]; }
	public static boolean[] get1() { return c.v[0][0]; }
	public static boolean[][] get2() { return c.v[0]; }
	public static boolean[][][] get3() { return c.v; }
	public static void test() throws Exception {
	{
	c.v = new boolean[1][1][1]; c.v[0][0][0] = true; boolean val1 = get();
	c.v[0][0][0] = false; boolean val2 = get();
	assertEquals(val1, true);
	assertEquals(val2, (isStableEnabled ? true : false));

	c.v = new boolean[1][1][1]; c.v[0][0][0] = false; boolean val3 = get();
	assertEquals(val3, (isStableEnabled ? true : false));

	c.v[0] = new boolean[1][1]; c.v[0][0][0] = false; boolean val4 = get();
	assertEquals(val4, (isStableEnabled ? true : false));

	c.v[0][0] = new boolean[1]; c.v[0][0][0] = false; boolean val5 = get();
	assertEquals(val5, (isStableEnabled ? true : false));
	}

	{
	c.v = new boolean[1][1][1]; boolean[] val1 = get1();
	c.v[0][0] = new boolean[1]; boolean[] val2 = get1();
	assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
	}

	{
	c.v = new boolean[1][1][1]; boolean[][] val1 = get2();
	c.v[0] = new boolean[1][1]; boolean[][] val2 = get2();
	assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
	}

	{
	c.v = new boolean[1][1][1]; boolean[][][] val1 = get3();
	c.v = new boolean[1][1][1]; boolean[][][] val2 = get3();
	assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
	}
	}
	}

	/* ==================================================== */

	static class BooleanArrayDim4 {
	public @Stable boolean[][][][] v;

	public static final BooleanArrayDim4 c = new BooleanArrayDim4();
	public static boolean get() { return c.v[0][0][0][0]; }
	public static boolean[] get1() { return c.v[0][0][0]; }
	public static boolean[][] get2() { return c.v[0][0]; }
	public static boolean[][][] get3() { return c.v[0]; }
	public static boolean[][][][] get4() { return c.v; }
	public static void test() throws Exception {
	{
	c.v = new boolean[1][1][1][1]; c.v[0][0][0][0] = true; boolean val1 = get();
	c.v[0][0][0][0] = false; boolean val2 = get();
	assertEquals(val1, true);
	assertEquals(val2, (isStableEnabled ? true : false));

	c.v = new boolean[1][1][1][1]; c.v[0][0][0][0] = false; boolean val3 = get();
	assertEquals(val3, (isStableEnabled ? true : false));

	c.v[0] = new boolean[1][1][1]; c.v[0][0][0][0] = false; boolean val4 = get();
	assertEquals(val4, (isStableEnabled ? true : false));

	c.v[0][0] = new boolean[1][1]; c.v[0][0][0][0] = false; boolean val5 = get();
	assertEquals(val5, (isStableEnabled ? true : false));

	c.v[0][0][0] = new boolean[1]; c.v[0][0][0][0] = false; boolean val6 = get();
	assertEquals(val6, (isStableEnabled ? true : false));
	}

	{
	c.v = new boolean[1][1][1][1]; boolean[] val1 = get1();
	c.v[0][0][0] = new boolean[1]; boolean[] val2 = get1();
	assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
	}

	{
	c.v = new boolean[1][1][1][1]; boolean[][] val1 = get2();
	c.v[0][0] = new boolean[1][1]; boolean[][] val2 = get2();
	assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
	}

	{
	c.v = new boolean[1][1][1][1]; boolean[][][] val1 = get3();
	c.v[0] = new boolean[1][1][1]; boolean[][][] val2 = get3();
	assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
	}

	{
	c.v = new boolean[1][1][1][1]; boolean[][][][] val1 = get4();
	c.v = new boolean[1][1][1][1]; boolean[][][][] val2 = get4();
	assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
	}

	}
	}

	/* ==================================================== */
	// Dynamic Dim is higher than static

	static class ObjectArrayLowerDim0 {
	public @Stable Object v;

	public static final ObjectArrayLowerDim0 c = new ObjectArrayLowerDim0();
	public static boolean get() { return ((boolean[])c.v)[0]; }
	public static boolean[] get1() { return (boolean[])c.v; }
	public static boolean[] get2() { return (boolean[])c.v; }

	public static void test() throws Exception {
	{
	c.v = new boolean[1]; ((boolean[])c.v)[0] = true; boolean val1 = get();
	((boolean[])c.v)[0] = false; boolean val2 = get();

	assertEquals(val1, true);
	assertEquals(val2, false);
	}

	{
	c.v = new boolean[1]; boolean[] val1 = get1();
	c.v = new boolean[1]; boolean[] val2 = get1();
	assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
	}
	}
	}

	/* ==================================================== */

	static class ObjectArrayLowerDim1 {
	public @Stable Object[] v;

	public static final ObjectArrayLowerDim1 c = new ObjectArrayLowerDim1();
	public static boolean get() { return ((boolean[][])c.v)[0][0]; }
	public static boolean[] get1() { return (boolean[])(c.v[0]); }
	public static Object[] get2() { return c.v; }

	public static void test() throws Exception {
	{
	c.v = new boolean[1][1]; ((boolean[][])c.v)[0][0] = true; boolean val1 = get();
	((boolean[][])c.v)[0][0] = false; boolean val2 = get();

	assertEquals(val1, true);
	assertEquals(val2, false);
	}

	{
	c.v = new boolean[1][1]; c.v[0] = new boolean[0]; boolean[] val1 = get1();
	c.v[0] = new boolean[0]; boolean[] val2 = get1();

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

	{
	c.v = new boolean[0][0]; Object[] val1 = get2();
	c.v = new boolean[0][0]; Object[] val2 = get2();

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

	/* ==================================================== */

	static class ObjectArrayLowerDim2 {
	public @Stable Object[][] v;

	public static final ObjectArrayLowerDim2 c = new ObjectArrayLowerDim2();
	public static boolean get() { return ((boolean[][][])c.v)[0][0][0]; }
	public static boolean[] get1() { return (boolean[])(c.v[0][0]); }
	public static boolean[][] get2() { return (boolean[][])(c.v[0]); }
	public static Object[][] get3() { return c.v; }

	public static void test() throws Exception {
	{
	c.v = new boolean[1][1][1]; ((boolean[][][])c.v)[0][0][0] = true; boolean val1 = get();
	((boolean[][][])c.v)[0][0][0] = false; boolean val2 = get();

	assertEquals(val1, true);
	assertEquals(val2, false);
	}

	{
	c.v = new boolean[1][1][1]; c.v[0][0] = new boolean[0]; boolean[] val1 = get1();
	c.v[0][0] = new boolean[0]; boolean[] val2 = get1();

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

	{
	c.v = new boolean[1][1][1]; c.v[0] = new boolean[0][0]; boolean[][] val1 = get2();
	c.v[0] = new boolean[0][0]; boolean[][] val2 = get2();

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

	{
	c.v = new boolean[0][0][0]; Object[][] val1 = get3();
	c.v = new boolean[0][0][0]; Object[][] val2 = get3();

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

	/* ==================================================== */

	static class NestedStableField {
	static class A {
	public @Stable boolean a;

	}
	public @Stable A v;

	public static final NestedStableField c = new NestedStableField();
	public static A get() { return c.v; }
	public static boolean get1() { return get().a; }

	public static void test() throws Exception {
	{
	c.v = new A(); c.v.a = true; A val1 = get();
	c.v.a = false; A val2 = get();

	assertEquals(val1.a, false);
	assertEquals(val2.a, false);
	}

	{
	c.v = new A(); c.v.a = true; boolean val1 = get1();
	c.v.a = false; boolean val2 = get1();
	c.v = new A(); c.v.a = false; boolean val3 = get1();

	assertEquals(val1, true);
	assertEquals(val2, (isStableEnabled ? true : false));
	assertEquals(val3, (isStableEnabled ? true : false));
	}
	}
	}

	/* ==================================================== */

	static class NestedStableField1 {
	static class A {
	public @Stable boolean a;
	public @Stable A next;
	}
	public @Stable A v;

	public static final NestedStableField1 c = new NestedStableField1();
	public static A get() { return c.v.next.next.next.next.next.next.next; }
	public static boolean get1() { return get().a; }

	public static void test() throws Exception {
	{
	c.v = new A(); c.v.next = new A(); c.v.next.next = c.v;
	c.v.a = true; c.v.next.a = true; A val1 = get();
	c.v.a = false; c.v.next.a = false; A val2 = get();

	assertEquals(val1.a, false);
	assertEquals(val2.a, false);
	}

	{
	c.v = new A(); c.v.next = c.v;
	c.v.a = true; boolean val1 = get1();
	c.v.a = false; boolean val2 = get1();
	c.v = new A(); c.v.next = c.v;
	c.v.a = false; boolean val3 = get1();

	assertEquals(val1, true);
	assertEquals(val2, (isStableEnabled ? true : false));
	assertEquals(val3, (isStableEnabled ? true : false));
	}
	}
	}
	/* ==================================================== */

	static class NestedStableField2 {
	static class A {
	public @Stable boolean a;
	public @Stable A left;
	public A right;
	}

	public @Stable A v;

	public static final NestedStableField2 c = new NestedStableField2();
	public static boolean get() { return c.v.left.left.left.a; }
	public static boolean get1() { return c.v.left.left.right.left.a; }

	public static void test() throws Exception {
	{
	c.v = new A(); c.v.left = c.v.right = c.v;
	c.v.a = true; boolean val1 = get(); boolean val2 = get1();
	c.v.a = false; boolean val3 = get(); boolean val4 = get1();

	assertEquals(val1, true);
	assertEquals(val3, (isStableEnabled ? true : false));

	assertEquals(val2, true);
	assertEquals(val4, false);
	}
	}
	}

	/* ==================================================== */

	static class NestedStableField3 {
	static class A {
	public @Stable boolean a;
	public @Stable A[] left;
	public A[] right;
	}

	public @Stable A[] v;

	public static final NestedStableField3 c = new NestedStableField3();
	public static boolean get() { return c.v[0].left[1].left[0].left[1].a; }
	public static boolean get1() { return c.v[1].left[0].left[1].right[0].left[1].a; }

	public static void test() throws Exception {
	{
	A elem = new A();
	c.v = new A[] { elem, elem }; c.v[0].left = c.v[0].right = c.v;
	elem.a = true; boolean val1 = get(); boolean val2 = get1();
	elem.a = false; boolean val3 = get(); boolean val4 = get1();

	assertEquals(val1, true);
	assertEquals(val3, (isStableEnabled ? true : false));

	assertEquals(val2, true);
	assertEquals(val4, false);
	}
	}
	}

	/* ==================================================== */
	// Auxiliary methods
	static void assertEquals(boolean i, boolean j) { if (i != j) throw new AssertionError(i + " != " + j); }
	static void assertTrue(boolean b) { if (!b) throw new AssertionError(); }

	static boolean failed = false;

	public static void run(Class<?> test) {
	Throwable ex = null;
	System.out.print(test.getName()+": ");
	try {
	test.getMethod("test").invoke(null);
	} catch (InvocationTargetException e) {
	ex = e.getCause();
	} catch (Throwable e) {
	ex = e;
	} finally {
	if (ex == null) {
	System.out.println("PASSED");
	} else {
	failed = true;
	System.out.println("FAILED");
	ex.printStackTrace(System.out);
	}
	}
	}
	}