diff -r 5f3c5592f0e8 -r f6a1c8866065 hotspot/test/compiler/stable/TestStableByte.java --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/hotspot/test/compiler/stable/TestStableByte.java Tue Mar 04 02:20:41 2014 -0800 @@ -0,0 +1,632 @@ +/* + * 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 TestStableByte + * @summary tests on stable fields and arrays + * @library /testlibrary + * @compile -XDignore.symbol.file TestStableByte.java + * @run main ClassFileInstaller + * java/lang/invoke/TestStableByte + * java/lang/invoke/TestStableByte$ByteStable + * java/lang/invoke/TestStableByte$StaticByteStable + * java/lang/invoke/TestStableByte$VolatileByteStable + * java/lang/invoke/TestStableByte$ByteArrayDim1 + * java/lang/invoke/TestStableByte$ByteArrayDim2 + * java/lang/invoke/TestStableByte$ByteArrayDim3 + * java/lang/invoke/TestStableByte$ByteArrayDim4 + * java/lang/invoke/TestStableByte$ObjectArrayLowerDim0 + * java/lang/invoke/TestStableByte$ObjectArrayLowerDim1 + * java/lang/invoke/TestStableByte$NestedStableField + * java/lang/invoke/TestStableByte$NestedStableField$A + * java/lang/invoke/TestStableByte$NestedStableField1 + * java/lang/invoke/TestStableByte$NestedStableField1$A + * java/lang/invoke/TestStableByte$NestedStableField2 + * java/lang/invoke/TestStableByte$NestedStableField2$A + * java/lang/invoke/TestStableByte$NestedStableField3 + * java/lang/invoke/TestStableByte$NestedStableField3$A + * java/lang/invoke/TestStableByte$DefaultValue + * java/lang/invoke/TestStableByte$ObjectArrayLowerDim2 + * + * @run main/othervm -Xbootclasspath/a:. -XX:+IgnoreUnrecognizedVMOptions + * -XX:+UnlockDiagnosticVMOptions -XX:+FoldStableValues -XX:+UseCompressedOop + * -server -XX:-TieredCompilation -Xcomp + * -XX:CompileOnly=::get,::get1,::get2,::get3,::get4 + * java.lang.invoke.TestStableByte + * + * @run main/othervm -Xbootclasspath/a:. -XX:+IgnoreUnrecognizedVMOptions + * -XX:+UnlockDiagnosticVMOptions -XX:+FoldStableValues -XX:-UseCompressedOop + * -server -XX:-TieredCompilation -Xcomp + * -XX:CompileOnly=::get,::get1,::get2,::get3,::get4 + * java.lang.invoke.TestStableByte + * + * @run main/othervm -Xbootclasspath/a:. -XX:+IgnoreUnrecognizedVMOptions + * -XX:+UnlockDiagnosticVMOptions -XX:-FoldStableValues -XX:+UseCompressedOop + * -server -XX:-TieredCompilation -Xcomp + * -XX:CompileOnly=::get,::get1,::get2,::get3,::get4 + * java.lang.invoke.TestStableByte + * + * @run main/othervm -Xbootclasspath/a:. -XX:+IgnoreUnrecognizedVMOptions + * -XX:+UnlockDiagnosticVMOptions -XX:-FoldStableValues -XX:-UseCompressedOop + * -server -XX:-TieredCompilation -Xcomp + * -XX:CompileOnly=::get,::get1,::get2,::get3,::get4 + * java.lang.invoke.TestStableByte + */ +package java.lang.invoke; + +import com.sun.management.HotSpotDiagnosticMXBean; +import com.sun.management.VMOption; +import sun.management.ManagementFactoryHelper; +import java.lang.reflect.InvocationTargetException; + +public class TestStableByte { + public static void main(String[] args) throws Exception { + System.out.println("@Stable enabled: "+isStableEnabled); + System.out.println(); + + run(DefaultValue.class); + run(ByteStable.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 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 ? 1 : 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 ? 1 : 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 ? 1 : 3)); + + c.v[0] = new byte[1]; c.v[0][0] = 4; byte val4 = get(); + assertEquals(val4, (isStableEnabled ? 1 : 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 ? 1 : 3)); + + c.v[0] = new byte[1][1]; c.v[0][0][0] = 4; byte val4 = get(); + assertEquals(val4, (isStableEnabled ? 1 : 4)); + + c.v[0][0] = new byte[1]; c.v[0][0][0] = 5; byte val5 = get(); + assertEquals(val5, (isStableEnabled ? 1 : 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 ? 1 : 3)); + + c.v[0] = new byte[1][1][1]; c.v[0][0][0][0] = 4; byte val4 = get(); + assertEquals(val4, (isStableEnabled ? 1 : 4)); + + c.v[0][0] = new byte[1][1]; c.v[0][0][0][0] = 5; byte val5 = get(); + assertEquals(val5, (isStableEnabled ? 1 : 5)); + + c.v[0][0][0] = new byte[1]; c.v[0][0][0][0] = 6; byte val6 = get(); + assertEquals(val6, (isStableEnabled ? 1 : 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); + } + } + } + + static final boolean isStableEnabled; + static { + HotSpotDiagnosticMXBean diagnostic + = ManagementFactoryHelper.getDiagnosticMXBean(); + VMOption tmp; + try { + tmp = diagnostic.getVMOption("FoldStableValues"); + } catch (IllegalArgumentException e) { + tmp = null; + } + isStableEnabled = (tmp == null ? false : Boolean.parseBoolean(tmp.getValue())); + } +}