/*
* 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 TestStableDouble
* @summary tests on stable fields and arrays
* @library /testlibrary
* @compile -XDignore.symbol.file TestStableDouble.java
* @run main ClassFileInstaller
* java/lang/invoke/TestStableDouble
* java/lang/invoke/TestStableDouble$DoubleStable
* java/lang/invoke/TestStableDouble$StaticDoubleStable
* java/lang/invoke/TestStableDouble$VolatileDoubleStable
* java/lang/invoke/TestStableDouble$DoubleArrayDim1
* java/lang/invoke/TestStableDouble$DoubleArrayDim2
* java/lang/invoke/TestStableDouble$DoubleArrayDim3
* java/lang/invoke/TestStableDouble$DoubleArrayDim4
* java/lang/invoke/TestStableDouble$ObjectArrayLowerDim0
* java/lang/invoke/TestStableDouble$ObjectArrayLowerDim1
* java/lang/invoke/TestStableDouble$NestedStableField
* java/lang/invoke/TestStableDouble$NestedStableField$A
* java/lang/invoke/TestStableDouble$NestedStableField1
* java/lang/invoke/TestStableDouble$NestedStableField1$A
* java/lang/invoke/TestStableDouble$NestedStableField2
* java/lang/invoke/TestStableDouble$NestedStableField2$A
* java/lang/invoke/TestStableDouble$NestedStableField3
* java/lang/invoke/TestStableDouble$NestedStableField3$A
* java/lang/invoke/TestStableDouble$DefaultValue
* java/lang/invoke/TestStableDouble$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.TestStableDouble
*
* @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.TestStableDouble
*
* @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.TestStableDouble
*
* @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.TestStableDouble
*/
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 TestStableDouble {
public static void main(String[] args) throws Exception {
System.out.println("@Stable enabled: "+isStableEnabled);
System.out.println();
run(DefaultValue.class);
run(DoubleStable.class);
run(StaticDoubleStable.class);
run(VolatileDoubleStable.class);
// @Stable arrays: Dim 1-4
run(DoubleArrayDim1.class);
run(DoubleArrayDim2.class);
run(DoubleArrayDim3.class);
run(DoubleArrayDim4.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 double v;
public static final DefaultValue c = new DefaultValue();
public static double get() { return c.v; }
public static void test() throws Exception {
double val1 = get();
c.v = 1.0; double val2 = get();
assertEquals(val1, 0);
assertEquals(val2, 1.0);
}
}
/* ==================================================== */
static class DoubleStable {
public @Stable double v;
public static final DoubleStable c = new DoubleStable();
public static double get() { return c.v; }
public static void test() throws Exception {
c.v = 1.0; double val1 = get();
c.v = Double.MAX_VALUE; double val2 = get();
assertEquals(val1, 1.0);
assertEquals(val2, (isStableEnabled ? 1.0 : Double.MAX_VALUE));
}
}
/* ==================================================== */
static class StaticDoubleStable {
public static @Stable double v;
public static final StaticDoubleStable c = new StaticDoubleStable();
public static double get() { return c.v; }
public static void test() throws Exception {
c.v = 1.0; double val1 = get();
c.v = Double.MAX_VALUE; double val2 = get();
assertEquals(val1, 1.0);
assertEquals(val2, (isStableEnabled ? 1.0 : Double.MAX_VALUE));
}
}
/* ==================================================== */
static class VolatileDoubleStable {
public @Stable double v;
public static final VolatileDoubleStable c = new VolatileDoubleStable();
public static double get() { return c.v; }
public static void test() throws Exception {
c.v = 1.0; double val1 = get();
c.v = Double.MAX_VALUE; double val2 = get();
assertEquals(val1, 1.0);
assertEquals(val2, (isStableEnabled ? 1.0 : Double.MAX_VALUE));
}
}
/* ==================================================== */
// @Stable array == field && all components are stable
static class DoubleArrayDim1 {
public @Stable double[] v;
public static final DoubleArrayDim1 c = new DoubleArrayDim1();
public static double get() { return c.v[0]; }
public static double get1() { return c.v[10]; }
public static double[] get2() { return c.v; }
public static void test() throws Exception {
{
c.v = new double[1]; c.v[0] = 1.0; double val1 = get();
c.v[0] = 2.0; double val2 = get();
assertEquals(val1, 1.0);
assertEquals(val2, (isStableEnabled ? 1.0 : 2.0));
c.v = new double[1]; c.v[0] = 3.0; double val3 = get();
assertEquals(val3, (isStableEnabled ? 1.0 : 3.0));
}
{
c.v = new double[20]; c.v[10] = 1.0; double val1 = get1();
c.v[10] = 2.0; double val2 = get1();
assertEquals(val1, 1.0);
assertEquals(val2, (isStableEnabled ? 1.0 : 2.0));
c.v = new double[20]; c.v[10] = 3.0; double val3 = get1();
assertEquals(val3, (isStableEnabled ? 1.0 : 3.0));
}
{
c.v = new double[1]; double[] val1 = get2();
c.v = new double[1]; double[] val2 = get2();
assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
}
}
}
/* ==================================================== */
static class DoubleArrayDim2 {
public @Stable double[][] v;
public static final DoubleArrayDim2 c = new DoubleArrayDim2();
public static double get() { return c.v[0][0]; }
public static double[] get1() { return c.v[0]; }
public static double[][] get2() { return c.v; }
public static void test() throws Exception {
{
c.v = new double[1][1]; c.v[0][0] = 1.0; double val1 = get();
c.v[0][0] = 2.0; double val2 = get();
assertEquals(val1, 1.0);
assertEquals(val2, (isStableEnabled ? 1.0 : 2.0));
c.v = new double[1][1]; c.v[0][0] = 3.0; double val3 = get();
assertEquals(val3, (isStableEnabled ? 1.0 : 3.0));
c.v[0] = new double[1]; c.v[0][0] = 4.0; double val4 = get();
assertEquals(val4, (isStableEnabled ? 1.0 : 4.0));
}
{
c.v = new double[1][1]; double[] val1 = get1();
c.v[0] = new double[1]; double[] val2 = get1();
assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
}
{
c.v = new double[1][1]; double[][] val1 = get2();
c.v = new double[1][1]; double[][] val2 = get2();
assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
}
}
}
/* ==================================================== */
static class DoubleArrayDim3 {
public @Stable double[][][] v;
public static final DoubleArrayDim3 c = new DoubleArrayDim3();
public static double get() { return c.v[0][0][0]; }
public static double[] get1() { return c.v[0][0]; }
public static double[][] get2() { return c.v[0]; }
public static double[][][] get3() { return c.v; }
public static void test() throws Exception {
{
c.v = new double[1][1][1]; c.v[0][0][0] = 1.0; double val1 = get();
c.v[0][0][0] = 2.0; double val2 = get();
assertEquals(val1, 1.0);
assertEquals(val2, (isStableEnabled ? 1.0 : 2.0));
c.v = new double[1][1][1]; c.v[0][0][0] = 3.0; double val3 = get();
assertEquals(val3, (isStableEnabled ? 1.0 : 3.0));
c.v[0] = new double[1][1]; c.v[0][0][0] = 4.0; double val4 = get();
assertEquals(val4, (isStableEnabled ? 1.0 : 4.0));
c.v[0][0] = new double[1]; c.v[0][0][0] = 5.0; double val5 = get();
assertEquals(val5, (isStableEnabled ? 1.0 : 5.0));
}
{
c.v = new double[1][1][1]; double[] val1 = get1();
c.v[0][0] = new double[1]; double[] val2 = get1();
assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
}
{
c.v = new double[1][1][1]; double[][] val1 = get2();
c.v[0] = new double[1][1]; double[][] val2 = get2();
assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
}
{
c.v = new double[1][1][1]; double[][][] val1 = get3();
c.v = new double[1][1][1]; double[][][] val2 = get3();
assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
}
}
}
/* ==================================================== */
static class DoubleArrayDim4 {
public @Stable double[][][][] v;
public static final DoubleArrayDim4 c = new DoubleArrayDim4();
public static double get() { return c.v[0][0][0][0]; }
public static double[] get1() { return c.v[0][0][0]; }
public static double[][] get2() { return c.v[0][0]; }
public static double[][][] get3() { return c.v[0]; }
public static double[][][][] get4() { return c.v; }
public static void test() throws Exception {
{
c.v = new double[1][1][1][1]; c.v[0][0][0][0] = 1.0; double val1 = get();
c.v[0][0][0][0] = 2.0; double val2 = get();
assertEquals(val1, 1.0);
assertEquals(val2, (isStableEnabled ? 1.0 : 2.0));
c.v = new double[1][1][1][1]; c.v[0][0][0][0] = 3.0; double val3 = get();
assertEquals(val3, (isStableEnabled ? 1.0 : 3.0));
c.v[0] = new double[1][1][1]; c.v[0][0][0][0] = 4.0; double val4 = get();
assertEquals(val4, (isStableEnabled ? 1.0 : 4.0));
c.v[0][0] = new double[1][1]; c.v[0][0][0][0] = 5.0; double val5 = get();
assertEquals(val5, (isStableEnabled ? 1.0 : 5.0));
c.v[0][0][0] = new double[1]; c.v[0][0][0][0] = 6.0; double val6 = get();
assertEquals(val6, (isStableEnabled ? 1.0 : 6.0));
}
{
c.v = new double[1][1][1][1]; double[] val1 = get1();
c.v[0][0][0] = new double[1]; double[] val2 = get1();
assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
}
{
c.v = new double[1][1][1][1]; double[][] val1 = get2();
c.v[0][0] = new double[1][1]; double[][] val2 = get2();
assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
}
{
c.v = new double[1][1][1][1]; double[][][] val1 = get3();
c.v[0] = new double[1][1][1]; double[][][] val2 = get3();
assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
}
{
c.v = new double[1][1][1][1]; double[][][][] val1 = get4();
c.v = new double[1][1][1][1]; double[][][][] 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 double get() { return ((double[])c.v)[0]; }
public static double[] get1() { return (double[])c.v; }
public static void test() throws Exception {
{
c.v = new double[1]; ((double[])c.v)[0] = 1.0; double val1 = get();
((double[])c.v)[0] = 2.0; double val2 = get();
assertEquals(val1, 1.0);
assertEquals(val2, 2.0);
}
{
c.v = new double[1]; double[] val1 = get1();
c.v = new double[1]; double[] val2 = get1();
assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
}
}
}
/* ==================================================== */
static class ObjectArrayLowerDim1 {
public @Stable Object[] v;
public static final ObjectArrayLowerDim1 c = new ObjectArrayLowerDim1();
public static double get() { return ((double[][])c.v)[0][0]; }
public static double[] get1() { return (double[])(c.v[0]); }
public static Object[] get2() { return c.v; }
public static void test() throws Exception {
{
c.v = new double[1][1]; ((double[][])c.v)[0][0] = 1.0; double val1 = get();
((double[][])c.v)[0][0] = 2.0; double val2 = get();
assertEquals(val1, 1.0);
assertEquals(val2, 2.0);
}
{
c.v = new double[1][1]; c.v[0] = new double[0]; double[] val1 = get1();
c.v[0] = new double[0]; double[] val2 = get1();
assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
}
{
c.v = new double[0][0]; Object[] val1 = get2();
c.v = new double[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 double get() { return ((double[][][])c.v)[0][0][0]; }
public static double[] get1() { return (double[])(c.v[0][0]); }
public static double[][] get2() { return (double[][])(c.v[0]); }
public static Object[][] get3() { return c.v; }
public static void test() throws Exception {
{
c.v = new double[1][1][1]; ((double[][][])c.v)[0][0][0] = 1.0; double val1 = get();
((double[][][])c.v)[0][0][0] = 2.0; double val2 = get();
assertEquals(val1, 1.0);
assertEquals(val2, 2.0);
}
{
c.v = new double[1][1][1]; c.v[0][0] = new double[0]; double[] val1 = get1();
c.v[0][0] = new double[0]; double[] val2 = get1();
assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
}
{
c.v = new double[1][1][1]; c.v[0] = new double[0][0]; double[][] val1 = get2();
c.v[0] = new double[0][0]; double[][] val2 = get2();
assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
}
{
c.v = new double[0][0][0]; Object[][] val1 = get3();
c.v = new double[0][0][0]; Object[][] val2 = get3();
assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
}
}
}
/* ==================================================== */
static class NestedStableField {
static class A {
public @Stable double a;
}
public @Stable A v;
public static final NestedStableField c = new NestedStableField();
public static A get() { return c.v; }
public static double get1() { return get().a; }
public static void test() throws Exception {
{
c.v = new A(); c.v.a = 1.0; A val1 = get();
c.v.a = 2.0; A val2 = get();
assertEquals(val1.a, 2.0);
assertEquals(val2.a, 2.0);
}
{
c.v = new A(); c.v.a = 1.0; double val1 = get1();
c.v.a = 2.0; double val2 = get1();
c.v = new A(); c.v.a = 3.0; double val3 = get1();
assertEquals(val1, 1.0);
assertEquals(val2, (isStableEnabled ? 1.0 : 2.0));
assertEquals(val3, (isStableEnabled ? 1.0 : 3.0));
}
}
}
/* ==================================================== */
static class NestedStableField1 {
static class A {
public @Stable double 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 double 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 = 1.0; c.v.next.a = 1.0; A val1 = get();
c.v.a = 2.0; c.v.next.a = 2.0; A val2 = get();
assertEquals(val1.a, 2.0);
assertEquals(val2.a, 2.0);
}
{
c.v = new A(); c.v.next = c.v;
c.v.a = 1.0; double val1 = get1();
c.v.a = 2.0; double val2 = get1();
c.v = new A(); c.v.next = c.v;
c.v.a = 3.0; double val3 = get1();
assertEquals(val1, 1.0);
assertEquals(val2, (isStableEnabled ? 1.0 : 2.0));
assertEquals(val3, (isStableEnabled ? 1.0 : 3.0));
}
}
}
/* ==================================================== */
static class NestedStableField2 {
static class A {
public @Stable double a;
public @Stable A left;
public A right;
}
public @Stable A v;
public static final NestedStableField2 c = new NestedStableField2();
public static double get() { return c.v.left.left.left.a; }
public static double 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 = 1.0; double val1 = get(); double val2 = get1();
c.v.a = 2.0; double val3 = get(); double val4 = get1();
assertEquals(val1, 1.0);
assertEquals(val3, (isStableEnabled ? 1.0 : 2.0));
assertEquals(val2, 1.0);
assertEquals(val4, 2.0);
}
}
}
/* ==================================================== */
static class NestedStableField3 {
static class A {
public @Stable double a;
public @Stable A[] left;
public A[] right;
}
public @Stable A[] v;
public static final NestedStableField3 c = new NestedStableField3();
public static double get() { return c.v[0].left[1].left[0].left[1].a; }
public static double 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 = 1.0; double val1 = get(); double val2 = get1();
elem.a = 2.0; double val3 = get(); double val4 = get1();
assertEquals(val1, 1.0);
assertEquals(val3, (isStableEnabled ? 1.0 : 2.0));
assertEquals(val2, 1.0);
assertEquals(val4, 2.0);
}
}
}
/* ==================================================== */
// Auxiliary methods
static void assertEquals(double i, double 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()));
}
}