| /* |
| * Copyright (c) 2014, 2016, 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 TestStableByte |
| * @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.TestStableByte |
| * @run main/bootclasspath/othervm -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xcomp |
| * -XX:CompileOnly=::get,::get1,::get2,::get3,::get4 |
| * -XX:-TieredCompilation |
| * -XX:+FoldStableValues |
| * compiler.stable.TestStableByte |
| * |
| * @run main/bootclasspath/othervm -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xcomp |
| * -XX:CompileOnly=::get,::get1,::get2,::get3,::get4 |
| * -XX:-TieredCompilation |
| * -XX:+FoldStableValues |
| * compiler.stable.TestStableByte |
| * @run main/bootclasspath/othervm -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xcomp |
| * -XX:CompileOnly=::get,::get1,::get2,::get3,::get4 |
| * -XX:-TieredCompilation |
| * -XX:+FoldStableValues |
| * compiler.stable.TestStableByte |
| */ |
| |
| package compiler.stable; |
| |
| import jdk.internal.vm.annotation.Stable; |
| |
| import java.lang.reflect.InvocationTargetException; |
| |
| public class TestStableByte { |
| static final boolean isStableEnabled = StableConfiguration.isStableEnabled; |
| |
| public static void main(String[] args) throws Exception { |
| run(DefaultValue.class); |
| run(ByteStable.class); |
| run(DefaultStaticValue.class); |
| run(StaticByteStable.class); |
| run(VolatileByteStable.class); |
| |
| // @Stable arrays: Dim 1-4 |
| run(ByteArrayDim1.class); |
| run(ByteArrayDim2.class); |
| run(ByteArrayDim3.class); |
| run(ByteArrayDim4.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 byte v; |
| |
| public static final DefaultValue c = new DefaultValue(); |
| public static byte get() { return c.v; } |
| public static void test() throws Exception { |
| byte val1 = get(); |
| c.v = 1; byte val2 = get(); |
| assertEquals(val1, 0); |
| assertEquals(val2, 1); |
| } |
| } |
| |
| /* ==================================================== */ |
| |
| static class ByteStable { |
| public @Stable byte v; |
| |
| public static final ByteStable c = new ByteStable(); |
| public static byte get() { return c.v; } |
| public static void test() throws Exception { |
| c.v = 5; byte val1 = get(); |
| c.v = 127; byte val2 = get(); |
| assertEquals(val1, 5); |
| assertEquals(val2, (isStableEnabled ? 5 : 127)); |
| } |
| } |
| |
| /* ==================================================== */ |
| |
| static class DefaultStaticValue { |
| public static @Stable byte v; |
| |
| public static final DefaultStaticValue c = new DefaultStaticValue(); |
| public static byte get() { return c.v; } |
| public static void test() throws Exception { |
| byte val1 = get(); |
| c.v = 1; byte val2 = get(); |
| assertEquals(val1, 0); |
| assertEquals(val2, 1); |
| } |
| } |
| |
| /* ==================================================== */ |
| |
| static class StaticByteStable { |
| public static @Stable byte v; |
| |
| public static final StaticByteStable c = new StaticByteStable(); |
| public static byte get() { return c.v; } |
| public static void test() throws Exception { |
| c.v = 5; byte val1 = get(); |
| c.v = 127; byte val2 = get(); |
| assertEquals(val1, 5); |
| assertEquals(val2, (isStableEnabled ? 5 : 127)); |
| } |
| } |
| |
| /* ==================================================== */ |
| |
| static class VolatileByteStable { |
| public @Stable volatile byte v; |
| |
| public static final VolatileByteStable c = new VolatileByteStable(); |
| public static byte get() { return c.v; } |
| public static void test() throws Exception { |
| c.v = 5; byte val1 = get(); |
| c.v = 127; byte val2 = get(); |
| assertEquals(val1, 5); |
| assertEquals(val2, (isStableEnabled ? 5 : 127)); |
| } |
| } |
| |
| /* ==================================================== */ |
| // @Stable array == field && all components are stable |
| |
| static class ByteArrayDim1 { |
| public @Stable byte[] v; |
| |
| public static final ByteArrayDim1 c = new ByteArrayDim1(); |
| public static byte get() { return c.v[0]; } |
| public static byte get1() { return c.v[10]; } |
| public static byte[] get2() { return c.v; } |
| public static void test() throws Exception { |
| { |
| c.v = new byte[1]; c.v[0] = 1; byte val1 = get(); |
| c.v[0] = 2; byte val2 = get(); |
| assertEquals(val1, 1); |
| assertEquals(val2, (isStableEnabled ? 1 : 2)); |
| |
| c.v = new byte[1]; c.v[0] = 3; byte val3 = get(); |
| assertEquals(val3, (isStableEnabled ? (isStableEnabled ? 1 : 2) |
| : 3)); |
| } |
| |
| { |
| c.v = new byte[20]; c.v[10] = 1; byte val1 = get1(); |
| c.v[10] = 2; byte val2 = get1(); |
| assertEquals(val1, 1); |
| assertEquals(val2, (isStableEnabled ? 1 : 2)); |
| |
| c.v = new byte[20]; c.v[10] = 3; byte val3 = get1(); |
| assertEquals(val3, (isStableEnabled ? (isStableEnabled ? 1 : 2) |
| : 3)); |
| } |
| |
| { |
| c.v = new byte[1]; byte[] val1 = get2(); |
| c.v = new byte[1]; byte[] val2 = get2(); |
| assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2))); |
| } |
| } |
| } |
| |
| /* ==================================================== */ |
| |
| static class ByteArrayDim2 { |
| public @Stable byte[][] v; |
| |
| public static final ByteArrayDim2 c = new ByteArrayDim2(); |
| public static byte get() { return c.v[0][0]; } |
| public static byte[] get1() { return c.v[0]; } |
| public static byte[][] get2() { return c.v; } |
| public static void test() throws Exception { |
| { |
| c.v = new byte[1][1]; c.v[0][0] = 1; byte val1 = get(); |
| c.v[0][0] = 2; byte val2 = get(); |
| assertEquals(val1, 1); |
| assertEquals(val2, (isStableEnabled ? 1 : 2)); |
| |
| c.v = new byte[1][1]; c.v[0][0] = 3; byte val3 = get(); |
| assertEquals(val3, (isStableEnabled ? (isStableEnabled ? 1 : 2) |
| : 3)); |
| |
| c.v[0] = new byte[1]; c.v[0][0] = 4; byte val4 = get(); |
| assertEquals(val4, (isStableEnabled ? (isStableEnabled ? 1 : 2) |
| : 4)); |
| } |
| |
| { |
| c.v = new byte[1][1]; byte[] val1 = get1(); |
| c.v[0] = new byte[1]; byte[] val2 = get1(); |
| assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2))); |
| } |
| |
| { |
| c.v = new byte[1][1]; byte[][] val1 = get2(); |
| c.v = new byte[1][1]; byte[][] val2 = get2(); |
| assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2))); |
| } |
| } |
| } |
| |
| /* ==================================================== */ |
| |
| static class ByteArrayDim3 { |
| public @Stable byte[][][] v; |
| |
| public static final ByteArrayDim3 c = new ByteArrayDim3(); |
| public static byte get() { return c.v[0][0][0]; } |
| public static byte[] get1() { return c.v[0][0]; } |
| public static byte[][] get2() { return c.v[0]; } |
| public static byte[][][] get3() { return c.v; } |
| public static void test() throws Exception { |
| { |
| c.v = new byte[1][1][1]; c.v[0][0][0] = 1; byte val1 = get(); |
| c.v[0][0][0] = 2; byte val2 = get(); |
| assertEquals(val1, 1); |
| assertEquals(val2, (isStableEnabled ? 1 : 2)); |
| |
| c.v = new byte[1][1][1]; c.v[0][0][0] = 3; byte val3 = get(); |
| assertEquals(val3, (isStableEnabled ? (isStableEnabled ? 1 : 2) |
| : 3)); |
| |
| c.v[0] = new byte[1][1]; c.v[0][0][0] = 4; byte val4 = get(); |
| assertEquals(val4, (isStableEnabled ? (isStableEnabled ? 1 : 2) |
| : 4)); |
| |
| c.v[0][0] = new byte[1]; c.v[0][0][0] = 5; byte val5 = get(); |
| assertEquals(val5, (isStableEnabled ? (isStableEnabled ? 1 : 2) |
| : 5)); |
| } |
| |
| { |
| c.v = new byte[1][1][1]; byte[] val1 = get1(); |
| c.v[0][0] = new byte[1]; byte[] val2 = get1(); |
| assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2))); |
| } |
| |
| { |
| c.v = new byte[1][1][1]; byte[][] val1 = get2(); |
| c.v[0] = new byte[1][1]; byte[][] val2 = get2(); |
| assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2))); |
| } |
| |
| { |
| c.v = new byte[1][1][1]; byte[][][] val1 = get3(); |
| c.v = new byte[1][1][1]; byte[][][] val2 = get3(); |
| assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2))); |
| } |
| } |
| } |
| |
| /* ==================================================== */ |
| |
| static class ByteArrayDim4 { |
| public @Stable byte[][][][] v; |
| |
| public static final ByteArrayDim4 c = new ByteArrayDim4(); |
| public static byte get() { return c.v[0][0][0][0]; } |
| public static byte[] get1() { return c.v[0][0][0]; } |
| public static byte[][] get2() { return c.v[0][0]; } |
| public static byte[][][] get3() { return c.v[0]; } |
| public static byte[][][][] get4() { return c.v; } |
| public static void test() throws Exception { |
| { |
| c.v = new byte[1][1][1][1]; c.v[0][0][0][0] = 1; byte val1 = get(); |
| c.v[0][0][0][0] = 2; byte val2 = get(); |
| assertEquals(val1, 1); |
| assertEquals(val2, (isStableEnabled ? 1 : 2)); |
| |
| c.v = new byte[1][1][1][1]; c.v[0][0][0][0] = 3; byte val3 = get(); |
| assertEquals(val3, (isStableEnabled ? (isStableEnabled ? 1 : 2) |
| : 3)); |
| |
| c.v[0] = new byte[1][1][1]; c.v[0][0][0][0] = 4; byte val4 = get(); |
| assertEquals(val4, (isStableEnabled ? (isStableEnabled ? 1 : 2) |
| : 4)); |
| |
| c.v[0][0] = new byte[1][1]; c.v[0][0][0][0] = 5; byte val5 = get(); |
| assertEquals(val5, (isStableEnabled ? (isStableEnabled ? 1 : 2) |
| : 5)); |
| |
| c.v[0][0][0] = new byte[1]; c.v[0][0][0][0] = 6; byte val6 = get(); |
| assertEquals(val6, (isStableEnabled ? (isStableEnabled ? 1 : 2) |
| : 6)); |
| } |
| |
| { |
| c.v = new byte[1][1][1][1]; byte[] val1 = get1(); |
| c.v[0][0][0] = new byte[1]; byte[] val2 = get1(); |
| assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2))); |
| } |
| |
| { |
| c.v = new byte[1][1][1][1]; byte[][] val1 = get2(); |
| c.v[0][0] = new byte[1][1]; byte[][] val2 = get2(); |
| assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2))); |
| } |
| |
| { |
| c.v = new byte[1][1][1][1]; byte[][][] val1 = get3(); |
| c.v[0] = new byte[1][1][1]; byte[][][] val2 = get3(); |
| assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2))); |
| } |
| |
| { |
| c.v = new byte[1][1][1][1]; byte[][][][] val1 = get4(); |
| c.v = new byte[1][1][1][1]; byte[][][][] 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 byte get() { return ((byte[])c.v)[0]; } |
| public static byte[] get1() { return (byte[])c.v; } |
| |
| public static void test() throws Exception { |
| { |
| c.v = new byte[1]; ((byte[])c.v)[0] = 1; byte val1 = get(); |
| ((byte[])c.v)[0] = 2; byte val2 = get(); |
| |
| assertEquals(val1, 1); |
| assertEquals(val2, 2); |
| } |
| |
| { |
| c.v = new byte[1]; byte[] val1 = get1(); |
| c.v = new byte[1]; byte[] val2 = get1(); |
| assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2))); |
| } |
| } |
| } |
| |
| /* ==================================================== */ |
| |
| static class ObjectArrayLowerDim1 { |
| public @Stable Object[] v; |
| |
| public static final ObjectArrayLowerDim1 c = new ObjectArrayLowerDim1(); |
| public static byte get() { return ((byte[][])c.v)[0][0]; } |
| public static byte[] get1() { return (byte[])(c.v[0]); } |
| public static Object[] get2() { return c.v; } |
| |
| public static void test() throws Exception { |
| { |
| c.v = new byte[1][1]; ((byte[][])c.v)[0][0] = 1; byte val1 = get(); |
| ((byte[][])c.v)[0][0] = 2; byte val2 = get(); |
| |
| assertEquals(val1, 1); |
| assertEquals(val2, 2); |
| } |
| |
| { |
| c.v = new byte[1][1]; c.v[0] = new byte[0]; byte[] val1 = get1(); |
| c.v[0] = new byte[0]; byte[] val2 = get1(); |
| |
| assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2))); |
| } |
| |
| { |
| c.v = new byte[0][0]; Object[] val1 = get2(); |
| c.v = new byte[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 byte get() { return ((byte[][][])c.v)[0][0][0]; } |
| public static byte[] get1() { return (byte[])(c.v[0][0]); } |
| public static byte[][] get2() { return (byte[][])(c.v[0]); } |
| public static Object[][] get3() { return c.v; } |
| |
| public static void test() throws Exception { |
| { |
| c.v = new byte[1][1][1]; ((byte[][][])c.v)[0][0][0] = 1; byte val1 = get(); |
| ((byte[][][])c.v)[0][0][0] = 2; byte val2 = get(); |
| |
| assertEquals(val1, 1); |
| assertEquals(val2, 2); |
| } |
| |
| { |
| c.v = new byte[1][1][1]; c.v[0][0] = new byte[0]; byte[] val1 = get1(); |
| c.v[0][0] = new byte[0]; byte[] val2 = get1(); |
| |
| assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2))); |
| } |
| |
| { |
| c.v = new byte[1][1][1]; c.v[0] = new byte[0][0]; byte[][] val1 = get2(); |
| c.v[0] = new byte[0][0]; byte[][] val2 = get2(); |
| |
| assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2))); |
| } |
| |
| { |
| c.v = new byte[0][0][0]; Object[][] val1 = get3(); |
| c.v = new byte[0][0][0]; Object[][] val2 = get3(); |
| |
| assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2))); |
| } |
| } |
| } |
| |
| /* ==================================================== */ |
| |
| static class NestedStableField { |
| static class A { |
| public @Stable byte a; |
| |
| } |
| public @Stable A v; |
| |
| public static final NestedStableField c = new NestedStableField(); |
| public static A get() { return c.v; } |
| public static byte get1() { return get().a; } |
| |
| public static void test() throws Exception { |
| { |
| c.v = new A(); c.v.a = 1; A val1 = get(); |
| c.v.a = 2; A val2 = get(); |
| |
| assertEquals(val1.a, 2); |
| assertEquals(val2.a, 2); |
| } |
| |
| { |
| c.v = new A(); c.v.a = 1; byte val1 = get1(); |
| c.v.a = 2; byte val2 = get1(); |
| c.v = new A(); c.v.a = 3; byte val3 = get1(); |
| |
| assertEquals(val1, 1); |
| assertEquals(val2, (isStableEnabled ? 1 : 2)); |
| assertEquals(val3, (isStableEnabled ? 1 : 3)); |
| } |
| } |
| } |
| |
| /* ==================================================== */ |
| |
| static class NestedStableField1 { |
| static class A { |
| public @Stable byte 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 byte 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 = 1; c.v.next.a = 1; A val1 = get(); |
| c.v.a = 2; c.v.next.a = 2; A val2 = get(); |
| |
| assertEquals(val1.a, 2); |
| assertEquals(val2.a, 2); |
| } |
| |
| { |
| c.v = new A(); c.v.next = c.v; |
| c.v.a = 1; byte val1 = get1(); |
| c.v.a = 2; byte val2 = get1(); |
| c.v = new A(); c.v.next = c.v; |
| c.v.a = 3; byte val3 = get1(); |
| |
| assertEquals(val1, 1); |
| assertEquals(val2, (isStableEnabled ? 1 : 2)); |
| assertEquals(val3, (isStableEnabled ? 1 : 3)); |
| } |
| } |
| } |
| /* ==================================================== */ |
| |
| static class NestedStableField2 { |
| static class A { |
| public @Stable byte a; |
| public @Stable A left; |
| public A right; |
| } |
| |
| public @Stable A v; |
| |
| public static final NestedStableField2 c = new NestedStableField2(); |
| public static byte get() { return c.v.left.left.left.a; } |
| public static byte 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 = 1; byte val1 = get(); byte val2 = get1(); |
| c.v.a = 2; byte val3 = get(); byte val4 = get1(); |
| |
| assertEquals(val1, 1); |
| assertEquals(val3, (isStableEnabled ? 1 : 2)); |
| |
| assertEquals(val2, 1); |
| assertEquals(val4, 2); |
| } |
| } |
| } |
| |
| /* ==================================================== */ |
| |
| static class NestedStableField3 { |
| static class A { |
| public @Stable byte a; |
| public @Stable A[] left; |
| public A[] right; |
| } |
| |
| public @Stable A[] v; |
| |
| public static final NestedStableField3 c = new NestedStableField3(); |
| public static byte get() { return c.v[0].left[1].left[0].left[1].a; } |
| public static byte 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 = 1; byte val1 = get(); byte val2 = get1(); |
| elem.a = 2; byte val3 = get(); byte val4 = get1(); |
| |
| assertEquals(val1, 1); |
| assertEquals(val3, (isStableEnabled ? 1 : 2)); |
| |
| assertEquals(val2, 1); |
| assertEquals(val4, 2); |
| } |
| } |
| } |
| |
| /* ==================================================== */ |
| // Auxiliary methods |
| static void assertEquals(int i, int 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); |
| } |
| } |
| } |
| } |