/* * Copyright (c) 2014, 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. Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * 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 TestStableObject * @summary tests on stable fields and arrays * @library /testlibrary /../../test/lib * @build TestStableObject StableConfiguration jdk.testlib.WhiteBox * @run main ClassFileInstaller jdk.testlib.WhiteBox jdk.testlib.WhiteBox$WhiteBoxPermission * @run main ClassFileInstaller * java/lang/invoke/StableConfiguration * java/lang/invoke/TestStableObject * java/lang/invoke/TestStableObject$ObjectStable * java/lang/invoke/TestStableObject$StaticObjectStable * java/lang/invoke/TestStableObject$VolatileObjectStable * java/lang/invoke/TestStableObject$ObjectArrayDim1 * java/lang/invoke/TestStableObject$ObjectArrayDim2 * java/lang/invoke/TestStableObject$ObjectArrayDim3 * java/lang/invoke/TestStableObject$ObjectArrayDim4 * java/lang/invoke/TestStableObject$ObjectArrayLowerDim0 * java/lang/invoke/TestStableObject$ObjectArrayLowerDim1 * java/lang/invoke/TestStableObject$NestedStableField * java/lang/invoke/TestStableObject$NestedStableField$A * java/lang/invoke/TestStableObject$NestedStableField1 * java/lang/invoke/TestStableObject$NestedStableField1$A * java/lang/invoke/TestStableObject$NestedStableField2 * java/lang/invoke/TestStableObject$NestedStableField2$A * java/lang/invoke/TestStableObject$NestedStableField3 * java/lang/invoke/TestStableObject$NestedStableField3$A * java/lang/invoke/TestStableObject$Values * java/lang/invoke/TestStableObject$DefaultValue * java/lang/invoke/TestStableObject$DefaultStaticValue * java/lang/invoke/TestStableObject$ObjectArrayLowerDim2 * * @run main/othervm -Xbootclasspath/a:. * -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xcomp * -XX:-TieredCompilation * -XX:+FoldStableValues * -XX:CompileOnly=::get,::get1,::get2,::get3,::get4 * java.lang.invoke.TestStableObject * @run main/othervm -Xbootclasspath/a:. * -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xcomp * -XX:-TieredCompilation * -XX:-FoldStableValues * -XX:CompileOnly=::get,::get1,::get2,::get3,::get4 * java.lang.invoke.TestStableObject * * @run main/othervm -Xbootclasspath/a:. * -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xcomp * -XX:+TieredCompilation -XX:TieredStopAtLevel=1 * -XX:+FoldStableValues * -XX:CompileOnly=::get,::get1,::get2,::get3,::get4 * java.lang.invoke.TestStableObject * @run main/othervm -Xbootclasspath/a:. * -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xcomp * -XX:+TieredCompilation -XX:TieredStopAtLevel=1 * -XX:-FoldStableValues * -XX:CompileOnly=::get,::get1,::get2,::get3,::get4 * java.lang.invoke.TestStableObject * */ package java.lang.invoke; import java.lang.reflect.InvocationTargetException; public class TestStableObject { static final boolean isStableEnabled = StableConfiguration.isStableEnabled; static final boolean isServerWithStable = StableConfiguration.isServerWithStable; public static void main(String[] args) throws Exception { run(DefaultValue.class); run(ObjectStable.class); run(DefaultStaticValue.class); run(StaticObjectStable.class); run(VolatileObjectStable.class); // @Stable arrays: Dim 1-4 run(ObjectArrayDim1.class); run(ObjectArrayDim2.class); run(ObjectArrayDim3.class); run(ObjectArrayDim4.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"); } } /* ==================================================== */ enum Values {A, B, C, D, E, F} static class DefaultValue { public @Stable Object v; public static final DefaultValue c = new DefaultValue(); public static Object get() { return c.v; } public static void test() throws Exception { Object val1 = get(); c.v = Values.A; Object val2 = get(); assertEquals(val1, null); assertEquals(val2, Values.A); } } /* ==================================================== */ static class ObjectStable { public @Stable Values v; public static final ObjectStable c = new ObjectStable (); public static Values get() { return c.v; } public static void test() throws Exception { c.v = Values.A; Values val1 = get(); c.v = Values.B; Values val2 = get(); assertEquals(val1, Values.A); assertEquals(val2, (isStableEnabled ? Values.A : Values.B)); } } /* ==================================================== */ static class DefaultStaticValue { public static @Stable Object v; public static final DefaultStaticValue c = new DefaultStaticValue(); public static Object get() { return c.v; } public static void test() throws Exception { Object val1 = get(); c.v = Values.A; Object val2 = get(); assertEquals(val1, null); assertEquals(val2, Values.A); } } /* ==================================================== */ static class StaticObjectStable { public static @Stable Values v; public static final ObjectStable c = new ObjectStable (); public static Values get() { return c.v; } public static void test() throws Exception { c.v = Values.A; Values val1 = get(); c.v = Values.B; Values val2 = get(); assertEquals(val1, Values.A); assertEquals(val2, (isStableEnabled ? Values.A : Values.B)); } } /* ==================================================== */ static class VolatileObjectStable { public @Stable volatile Values v; public static final VolatileObjectStable c = new VolatileObjectStable (); public static Values get() { return c.v; } public static void test() throws Exception { c.v = Values.A; Values val1 = get(); c.v = Values.B; Values val2 = get(); assertEquals(val1, Values.A); assertEquals(val2, (isStableEnabled ? Values.A : Values.B)); } } /* ==================================================== */ // @Stable array == field && all components are stable static class ObjectArrayDim1 { public @Stable Object[] v; public static final ObjectArrayDim1 c = new ObjectArrayDim1(); public static Object get() { return c.v[0]; } public static Object get1() { return c.v[10]; } public static Object[] get2() { return c.v; } public static void test() throws Exception { { c.v = new Object[1]; c.v[0] = Values.A; Object val1 = get(); c.v[0] = Values.B; Object val2 = get(); assertEquals(val1, Values.A); assertEquals(val2, (isServerWithStable ? Values.A : Values.B)); c.v = new Object[1]; c.v[0] = Values.C; Object val3 = get(); assertEquals(val3, (isStableEnabled ? (isServerWithStable ? Values.A : Values.B) : Values.C)); } { c.v = new Object[20]; c.v[10] = Values.A; Object val1 = get1(); c.v[10] = Values.B; Object val2 = get1(); assertEquals(val1, Values.A); assertEquals(val2, (isServerWithStable ? Values.A : Values.B)); c.v = new Object[20]; c.v[10] = Values.C; Object val3 = get1(); assertEquals(val3, (isStableEnabled ? (isServerWithStable ? Values.A : Values.B) : Values.C)); } { c.v = new Object[1]; Object[] val1 = get2(); c.v = new Object[1]; Object[] val2 = get2(); assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2))); } } } /* ==================================================== */ static class ObjectArrayDim2 { public @Stable Object[][] v; public static final ObjectArrayDim2 c = new ObjectArrayDim2(); public static Object get() { return c.v[0][0]; } public static Object[] get1() { return c.v[0]; } public static Object[][] get2() { return c.v; } public static void test() throws Exception { { c.v = new Object[1][1]; c.v[0][0] = Values.A; Object val1 = get(); c.v[0][0] = Values.B; Object val2 = get(); assertEquals(val1, Values.A); assertEquals(val2, (isServerWithStable ? Values.A : Values.B)); c.v = new Object[1][1]; c.v[0][0] = Values.C; Object val3 = get(); assertEquals(val3, (isStableEnabled ? (isServerWithStable ? Values.A : Values.B) : Values.C)); c.v[0] = new Object[1]; c.v[0][0] = Values.D; Object val4 = get(); assertEquals(val4, (isStableEnabled ? (isServerWithStable ? Values.A : Values.B) : Values.D)); } { c.v = new Object[1][1]; Object[] val1 = get1(); c.v[0] = new Object[1]; Object[] val2 = get1(); assertTrue((isServerWithStable ? (val1 == val2) : (val1 != val2))); } { c.v = new Object[1][1]; Object[][] val1 = get2(); c.v = new Object[1][1]; Object[][] val2 = get2(); assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2))); } } } /* ==================================================== */ static class ObjectArrayDim3 { public @Stable Object[][][] v; public static final ObjectArrayDim3 c = new ObjectArrayDim3(); public static Object get() { return c.v[0][0][0]; } public static Object[] get1() { return c.v[0][0]; } public static Object[][] get2() { return c.v[0]; } public static Object[][][] get3() { return c.v; } public static void test() throws Exception { { c.v = new Object[1][1][1]; c.v[0][0][0] = Values.A; Object val1 = get(); c.v[0][0][0] = Values.B; Object val2 = get(); assertEquals(val1, Values.A); assertEquals(val2, (isServerWithStable ? Values.A : Values.B)); c.v = new Object[1][1][1]; c.v[0][0][0] = Values.C; Object val3 = get(); assertEquals(val3, (isStableEnabled ? (isServerWithStable ? Values.A : Values.B) : Values.C)); c.v[0] = new Object[1][1]; c.v[0][0][0] = Values.D; Object val4 = get(); assertEquals(val4, (isStableEnabled ? (isServerWithStable ? Values.A : Values.B) : Values.D)); c.v[0][0] = new Object[1]; c.v[0][0][0] = Values.E; Object val5 = get(); assertEquals(val5, (isStableEnabled ? (isServerWithStable ? Values.A : Values.B) : Values.E)); } { c.v = new Object[1][1][1]; Object[] val1 = get1(); c.v[0][0] = new Object[1]; Object[] val2 = get1(); assertTrue((isServerWithStable ? (val1 == val2) : (val1 != val2))); } { c.v = new Object[1][1][1]; Object[][] val1 = get2(); c.v[0] = new Object[1][1]; Object[][] val2 = get2(); assertTrue((isServerWithStable ? (val1 == val2) : (val1 != val2))); } { c.v = new Object[1][1][1]; Object[][][] val1 = get3(); c.v = new Object[1][1][1]; Object[][][] val2 = get3(); assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2))); } } } /* ==================================================== */ static class ObjectArrayDim4 { public @Stable Object[][][][] v; public static final ObjectArrayDim4 c = new ObjectArrayDim4(); public static Object get() { return c.v[0][0][0][0]; } public static Object[] get1() { return c.v[0][0][0]; } public static Object[][] get2() { return c.v[0][0]; } public static Object[][][] get3() { return c.v[0]; } public static Object[][][][] get4() { return c.v; } public static void test() throws Exception { { c.v = new Object[1][1][1][1]; c.v[0][0][0][0] = Values.A; Object val1 = get(); c.v[0][0][0][0] = Values.B; Object val2 = get(); assertEquals(val1, Values.A); assertEquals(val2, (isServerWithStable ? Values.A : Values.B)); c.v = new Object[1][1][1][1]; c.v[0][0][0][0] = Values.C; Object val3 = get(); assertEquals(val3, (isStableEnabled ? (isServerWithStable ? Values.A : Values.B) : Values.C)); c.v[0] = new Object[1][1][1]; c.v[0][0][0][0] = Values.D; Object val4 = get(); assertEquals(val4, (isStableEnabled ? (isServerWithStable ? Values.A : Values.B) : Values.D)); c.v[0][0] = new Object[1][1]; c.v[0][0][0][0] = Values.E; Object val5 = get(); assertEquals(val5, (isStableEnabled ? (isServerWithStable ? Values.A : Values.B) : Values.E)); c.v[0][0][0] = new Object[1]; c.v[0][0][0][0] = Values.F; Object val6 = get(); assertEquals(val6, (isStableEnabled ? (isServerWithStable ? Values.A : Values.B) : Values.F)); } { c.v = new Object[1][1][1][1]; Object[] val1 = get1(); c.v[0][0][0] = new Object[1]; Object[] val2 = get1(); assertTrue((isServerWithStable ? (val1 == val2) : (val1 != val2))); } { c.v = new Object[1][1][1][1]; Object[][] val1 = get2(); c.v[0][0] = new Object[1][1]; Object[][] val2 = get2(); assertTrue((isServerWithStable ? (val1 == val2) : (val1 != val2))); } { c.v = new Object[1][1][1][1]; Object[][][] val1 = get3(); c.v[0] = new Object[1][1][1]; Object[][][] val2 = get3(); assertTrue((isServerWithStable ? (val1 == val2) : (val1 != val2))); } { c.v = new Object[1][1][1][1]; Object[][][][] val1 = get4(); c.v = new Object[1][1][1][1]; Object[][][][] 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 Object get() { return ((Object[])c.v)[0]; } public static Object[] get1() { return (Object[])c.v; } public static void test() throws Exception { { c.v = new Object[1]; ((Object[])c.v)[0] = Values.A; Object val1 = get(); ((Object[])c.v)[0] = Values.B; Object val2 = get(); assertEquals(val1, Values.A); assertEquals(val2, Values.B); } { c.v = new Object[1]; Object[] val1 = get1(); c.v = new Object[1]; Object[] val2 = get1(); assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2))); } } } /* ==================================================== */ static class ObjectArrayLowerDim1 { public @Stable Object[] v; public static final ObjectArrayLowerDim1 c = new ObjectArrayLowerDim1(); public static Object get() { return ((Object[][])c.v)[0][0]; } public static Object[] get1() { return (Object[])(c.v[0]); } public static Object[] get2() { return c.v; } public static void test() throws Exception { { c.v = new Object[1][1]; ((Object[][])c.v)[0][0] = Values.A; Object val1 = get(); ((Object[][])c.v)[0][0] = Values.B; Object val2 = get(); assertEquals(val1, Values.A); assertEquals(val2, Values.B); } { c.v = new Object[1][1]; c.v[0] = new Object[0]; Object[] val1 = get1(); c.v[0] = new Object[0]; Object[] val2 = get1(); assertTrue((isServerWithStable ? (val1 == val2) : (val1 != val2))); } { c.v = new Object[0][0]; Object[] val1 = get2(); c.v = new Object[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 Object get() { return ((Object[][][])c.v)[0][0][0]; } public static Object[] get1() { return (Object[])(c.v[0][0]); } public static Object[][] get2() { return (Object[][])(c.v[0]); } public static Object[][] get3() { return c.v; } public static void test() throws Exception { { c.v = new Object[1][1][1]; ((Object[][][])c.v)[0][0][0] = Values.A; Object val1 = get(); ((Object[][][])c.v)[0][0][0] = Values.B; Object val2 = get(); assertEquals(val1, Values.A); assertEquals(val2, Values.B); } { c.v = new Object[1][1][1]; c.v[0][0] = new Object[0]; Object[] val1 = get1(); c.v[0][0] = new Object[0]; Object[] val2 = get1(); assertTrue((isServerWithStable ? (val1 == val2) : (val1 != val2))); } { c.v = new Object[1][1][1]; c.v[0] = new Object[0][0]; Object[][] val1 = get2(); c.v[0] = new Object[0][0]; Object[][] val2 = get2(); assertTrue((isServerWithStable ? (val1 == val2) : (val1 != val2))); } { c.v = new Object[0][0][0]; Object[][] val1 = get3(); c.v = new Object[0][0][0]; Object[][] val2 = get3(); assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2))); } } } /* ==================================================== */ static class NestedStableField { static class A { public @Stable Object a; } public @Stable A v; public static final NestedStableField c = new NestedStableField(); public static A get() { return c.v; } public static Object get1() { return get().a; } public static void test() throws Exception { { c.v = new A(); c.v.a = Values.A; A val1 = get(); c.v.a = Values.B; A val2 = get(); assertEquals(val1.a, Values.B); assertEquals(val2.a, Values.B); } { c.v = new A(); c.v.a = Values.A; Object val1 = get1(); c.v.a = Values.B; Object val2 = get1(); c.v = new A(); c.v.a = Values.C; Object val3 = get1(); assertEquals(val1, Values.A); assertEquals(val2, (isStableEnabled ? Values.A : Values.B)); assertEquals(val3, (isStableEnabled ? Values.A : Values.C)); } } } /* ==================================================== */ static class NestedStableField1 { static class A { public @Stable Object 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 Object 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 = Values.A; c.v.next.a = Values.A; A val1 = get(); c.v.a = Values.B; c.v.next.a = Values.B; A val2 = get(); assertEquals(val1.a, Values.B); assertEquals(val2.a, Values.B); } { c.v = new A(); c.v.next = c.v; c.v.a = Values.A; Object val1 = get1(); c.v.a = Values.B; Object val2 = get1(); c.v = new A(); c.v.next = c.v; c.v.a = Values.C; Object val3 = get1(); assertEquals(val1, Values.A); assertEquals(val2, (isStableEnabled ? Values.A : Values.B)); assertEquals(val3, (isStableEnabled ? Values.A : Values.C)); } } } /* ==================================================== */ static class NestedStableField2 { static class A { public @Stable Object a; public @Stable A left; public A right; } public @Stable A v; public static final NestedStableField2 c = new NestedStableField2(); public static Object get() { return c.v.left.left.left.a; } public static Object 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 = Values.A; Object val1 = get(); Object val2 = get1(); c.v.a = Values.B; Object val3 = get(); Object val4 = get1(); assertEquals(val1, Values.A); assertEquals(val3, (isStableEnabled ? Values.A : Values.B)); assertEquals(val2, Values.A); assertEquals(val4, Values.B); } } } /* ==================================================== */ static class NestedStableField3 { static class A { public @Stable Object a; public @Stable A[] left; public A[] right; } public @Stable A[] v; public static final NestedStableField3 c = new NestedStableField3(); public static Object get() { return c.v[0].left[1].left[0].left[1].a; } public static Object 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 = Values.A; Object val1 = get(); Object val2 = get1(); elem.a = Values.B; Object val3 = get(); Object val4 = get1(); assertEquals(val1, Values.A); assertEquals(val3, (isServerWithStable ? Values.A : Values.B)); assertEquals(val2, Values.A); assertEquals(val4, Values.B); } } } /* ==================================================== */ // Auxiliary methods static void assertEquals(Object i, Object 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); } } } }