/*
* 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 TestStableFloat
* @summary tests on stable fields and arrays
* @library /testlibrary /test/lib
* @build TestStableFloat StableConfiguration sun.hotspot.WhiteBox
* @run main ClassFileInstaller sun.hotspot.WhiteBox sun.hotspot.WhiteBox$WhiteBoxPermission
* @run main ClassFileInstaller
* java/lang/invoke/StableConfiguration
* java/lang/invoke/TestStableFloat
* java/lang/invoke/TestStableFloat$FloatStable
* java/lang/invoke/TestStableFloat$StaticFloatStable
* java/lang/invoke/TestStableFloat$VolatileFloatStable
* java/lang/invoke/TestStableFloat$FloatArrayDim1
* java/lang/invoke/TestStableFloat$FloatArrayDim2
* java/lang/invoke/TestStableFloat$FloatArrayDim3
* java/lang/invoke/TestStableFloat$FloatArrayDim4
* java/lang/invoke/TestStableFloat$ObjectArrayLowerDim0
* java/lang/invoke/TestStableFloat$ObjectArrayLowerDim1
* java/lang/invoke/TestStableFloat$NestedStableField
* java/lang/invoke/TestStableFloat$NestedStableField$A
* java/lang/invoke/TestStableFloat$NestedStableField1
* java/lang/invoke/TestStableFloat$NestedStableField1$A
* java/lang/invoke/TestStableFloat$NestedStableField2
* java/lang/invoke/TestStableFloat$NestedStableField2$A
* java/lang/invoke/TestStableFloat$NestedStableField3
* java/lang/invoke/TestStableFloat$NestedStableField3$A
* java/lang/invoke/TestStableFloat$DefaultValue
* java/lang/invoke/TestStableFloat$DefaultStaticValue
* java/lang/invoke/TestStableFloat$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.TestStableFloat
* @run main/othervm -Xbootclasspath/a:.
* -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xcomp
* -XX:-TieredCompilation
* -XX:-FoldStableValues
* -XX:CompileOnly=::get,::get1,::get2,::get3,::get4
* java.lang.invoke.TestStableFloat
*
* @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.TestStableFloat
* @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.TestStableFloat
*
*/
package java.lang.invoke;
import jdk.internal.vm.annotation.Stable;
import java.lang.reflect.InvocationTargetException;
public class TestStableFloat {
static final boolean isStableEnabled = StableConfiguration.isStableEnabled;
public static void main(String[] args) throws Exception {
run(DefaultValue.class);
run(FloatStable.class);
run(DefaultStaticValue.class);
run(StaticFloatStable.class);
run(VolatileFloatStable.class);
// @Stable arrays: Dim 1-4
run(FloatArrayDim1.class);
run(FloatArrayDim2.class);
run(FloatArrayDim3.class);
run(FloatArrayDim4.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 float v;
public static final DefaultValue c = new DefaultValue();
public static float get() { return c.v; }
public static void test() throws Exception {
float val1 = get();
c.v = 1.0F; float val2 = get();
assertEquals(val1, 0F);
assertEquals(val2, 1.0F);
}
}
/* ==================================================== */
static class FloatStable {
public @Stable float v;
public static final FloatStable c = new FloatStable();
public static float get() { return c.v; }
public static void test() throws Exception {
c.v = 1.0F; float val1 = get();
c.v = 2.0F; float val2 = get();
assertEquals(val1, 1.0F);
assertEquals(val2, (isStableEnabled ? 1.0F : 2.0F));
}
}
/* ==================================================== */
static class DefaultStaticValue {
public static @Stable float v;
public static final DefaultStaticValue c = new DefaultStaticValue();
public static float get() { return c.v; }
public static void test() throws Exception {
float val1 = get();
c.v = 1.0F; float val2 = get();
assertEquals(val1, 0F);
assertEquals(val2, 1.0F);
}
}
/* ==================================================== */
static class StaticFloatStable {
public static @Stable float v;
public static final StaticFloatStable c = new StaticFloatStable();
public static float get() { return c.v; }
public static void test() throws Exception {
c.v = 1.0F; float val1 = get();
c.v = 2.0F; float val2 = get();
assertEquals(val1, 1.0F);
assertEquals(val2, (isStableEnabled ? 1.0F : 2.0F));
}
}
/* ==================================================== */
static class VolatileFloatStable {
public @Stable volatile float v;
public static final VolatileFloatStable c = new VolatileFloatStable();
public static float get() { return c.v; }
public static void test() throws Exception {
c.v = 1.0F; float val1 = get();
c.v = 2.0F; float val2 = get();
assertEquals(val1, 1.0F);
assertEquals(val2, (isStableEnabled ? 1.0F : 2.0F));
}
}
/* ==================================================== */
// @Stable array == field && all components are stable
static class FloatArrayDim1 {
public @Stable float[] v;
public static final FloatArrayDim1 c = new FloatArrayDim1();
public static float get() { return c.v[0]; }
public static float get1() { return c.v[10]; }
public static float[] get2() { return c.v; }
public static void test() throws Exception {
{
c.v = new float[1]; c.v[0] = 1.0F; float val1 = get();
c.v[0] = 2.0F; float val2 = get();
assertEquals(val1, 1.0F);
assertEquals(val2, (isStableEnabled ? 1.0F : 2.0F));
c.v = new float[1]; c.v[0] = 3.0F; float val3 = get();
assertEquals(val3, (isStableEnabled ? (isStableEnabled ? 1.0F : 2.0F)
: 3.0F));
}
{
c.v = new float[20]; c.v[10] = 1.0F; float val1 = get1();
c.v[10] = 2.0F; float val2 = get1();
assertEquals(val1, 1.0F);
assertEquals(val2, (isStableEnabled ? 1.0F : 2.0F));
c.v = new float[20]; c.v[10] = 3.0F; float val3 = get1();
assertEquals(val3, (isStableEnabled ? (isStableEnabled ? 1.0F : 2.0F)
: 3.0F));
}
{
c.v = new float[1]; float[] val1 = get2();
c.v = new float[1]; float[] val2 = get2();
assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
}
}
}
/* ==================================================== */
static class FloatArrayDim2 {
public @Stable float[][] v;
public static final FloatArrayDim2 c = new FloatArrayDim2();
public static float get() { return c.v[0][0]; }
public static float[] get1() { return c.v[0]; }
public static float[][] get2() { return c.v; }
public static void test() throws Exception {
{
c.v = new float[1][1]; c.v[0][0] = 1.0F; float val1 = get();
c.v[0][0] = 2.0F; float val2 = get();
assertEquals(val1, 1.0F);
assertEquals(val2, (isStableEnabled ? 1.0F : 2.0F));
c.v = new float[1][1]; c.v[0][0] = 3.0F; float val3 = get();
assertEquals(val3, (isStableEnabled ? (isStableEnabled ? 1.0F : 2.0F)
: 3.0F));
c.v[0] = new float[1]; c.v[0][0] = 4.0F; float val4 = get();
assertEquals(val4, (isStableEnabled ? (isStableEnabled ? 1.0F : 2.0F)
: 4.0F));
}
{
c.v = new float[1][1]; float[] val1 = get1();
c.v[0] = new float[1]; float[] val2 = get1();
assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
}
{
c.v = new float[1][1]; float[][] val1 = get2();
c.v = new float[1][1]; float[][] val2 = get2();
assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
}
}
}
/* ==================================================== */
static class FloatArrayDim3 {
public @Stable float[][][] v;
public static final FloatArrayDim3 c = new FloatArrayDim3();
public static float get() { return c.v[0][0][0]; }
public static float[] get1() { return c.v[0][0]; }
public static float[][] get2() { return c.v[0]; }
public static float[][][] get3() { return c.v; }
public static void test() throws Exception {
{
c.v = new float[1][1][1]; c.v[0][0][0] = 1.0F; float val1 = get();
c.v[0][0][0] = 2.0F; float val2 = get();
assertEquals(val1, 1.0F);
assertEquals(val2, (isStableEnabled ? 1.0F : 2.0F));
c.v = new float[1][1][1]; c.v[0][0][0] = 3.0F; float val3 = get();
assertEquals(val3, (isStableEnabled ? (isStableEnabled ? 1.0F : 2.0F)
: 3.0F));
c.v[0] = new float[1][1]; c.v[0][0][0] = 4.0F; float val4 = get();
assertEquals(val4, (isStableEnabled ? (isStableEnabled ? 1.0F : 2.0F)
: 4.0F));
c.v[0][0] = new float[1]; c.v[0][0][0] = 5.0F; float val5 = get();
assertEquals(val5, (isStableEnabled ? (isStableEnabled ? 1.0F : 2.0F)
: 5.0F));
}
{
c.v = new float[1][1][1]; float[] val1 = get1();
c.v[0][0] = new float[1]; float[] val2 = get1();
assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
}
{
c.v = new float[1][1][1]; float[][] val1 = get2();
c.v[0] = new float[1][1]; float[][] val2 = get2();
assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
}
{
c.v = new float[1][1][1]; float[][][] val1 = get3();
c.v = new float[1][1][1]; float[][][] val2 = get3();
assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
}
}
}
/* ==================================================== */
static class FloatArrayDim4 {
public @Stable float[][][][] v;
public static final FloatArrayDim4 c = new FloatArrayDim4();
public static float get() { return c.v[0][0][0][0]; }
public static float[] get1() { return c.v[0][0][0]; }
public static float[][] get2() { return c.v[0][0]; }
public static float[][][] get3() { return c.v[0]; }
public static float[][][][] get4() { return c.v; }
public static void test() throws Exception {
{
c.v = new float[1][1][1][1]; c.v[0][0][0][0] = 1.0F; float val1 = get();
c.v[0][0][0][0] = 2.0F; float val2 = get();
assertEquals(val1, 1.0F);
assertEquals(val2, (isStableEnabled ? 1.0F : 2.0F));
c.v = new float[1][1][1][1]; c.v[0][0][0][0] = 3.0F; float val3 = get();
assertEquals(val3, (isStableEnabled ? (isStableEnabled ? 1.0F : 2.0F)
: 3.0F));
c.v[0] = new float[1][1][1]; c.v[0][0][0][0] = 4.0F; float val4 = get();
assertEquals(val4, (isStableEnabled ? (isStableEnabled ? 1.0F : 2.0F)
: 4.0F));
c.v[0][0] = new float[1][1]; c.v[0][0][0][0] = 5.0F; float val5 = get();
assertEquals(val5, (isStableEnabled ? (isStableEnabled ? 1.0F : 2.0F)
: 5.0F));
c.v[0][0][0] = new float[1]; c.v[0][0][0][0] = 6.0F; float val6 = get();
assertEquals(val6, (isStableEnabled ? (isStableEnabled ? 1.0F : 2.0F)
: 6.0F));
}
{
c.v = new float[1][1][1][1]; float[] val1 = get1();
c.v[0][0][0] = new float[1]; float[] val2 = get1();
assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
}
{
c.v = new float[1][1][1][1]; float[][] val1 = get2();
c.v[0][0] = new float[1][1]; float[][] val2 = get2();
assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
}
{
c.v = new float[1][1][1][1]; float[][][] val1 = get3();
c.v[0] = new float[1][1][1]; float[][][] val2 = get3();
assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
}
{
c.v = new float[1][1][1][1]; float[][][][] val1 = get4();
c.v = new float[1][1][1][1]; float[][][][] 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 float get() { return ((float[])c.v)[0]; }
public static float[] get1() { return (float[])c.v; }
public static void test() throws Exception {
{
c.v = new float[1]; ((float[])c.v)[0] = 1.0F; float val1 = get();
((float[])c.v)[0] = 2.0F; float val2 = get();
assertEquals(val1, 1.0F);
assertEquals(val2, 2.0F);
}
{
c.v = new float[1]; float[] val1 = get1();
c.v = new float[1]; float[] val2 = get1();
assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
}
}
}
/* ==================================================== */
static class ObjectArrayLowerDim1 {
public @Stable Object[] v;
public static final ObjectArrayLowerDim1 c = new ObjectArrayLowerDim1();
public static float get() { return ((float[][])c.v)[0][0]; }
public static float[] get1() { return (float[])(c.v[0]); }
public static Object[] get2() { return c.v; }
public static void test() throws Exception {
{
c.v = new float[1][1]; ((float[][])c.v)[0][0] = 1.0F; float val1 = get();
((float[][])c.v)[0][0] = 2.0F; float val2 = get();
assertEquals(val1, 1.0F);
assertEquals(val2, 2.0F);
}
{
c.v = new float[1][1]; c.v[0] = new float[0]; float[] val1 = get1();
c.v[0] = new float[0]; float[] val2 = get1();
assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
}
{
c.v = new float[0][0]; Object[] val1 = get2();
c.v = new float[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 float get() { return ((float[][][])c.v)[0][0][0]; }
public static float[] get1() { return (float[])(c.v[0][0]); }
public static float[][] get2() { return (float[][])(c.v[0]); }
public static Object[][] get3() { return c.v; }
public static void test() throws Exception {
{
c.v = new float[1][1][1]; ((float[][][])c.v)[0][0][0] = 1.0F; float val1 = get();
((float[][][])c.v)[0][0][0] = 2.0F; float val2 = get();
assertEquals(val1, 1.0F);
assertEquals(val2, 2.0F);
}
{
c.v = new float[1][1][1]; c.v[0][0] = new float[0]; float[] val1 = get1();
c.v[0][0] = new float[0]; float[] val2 = get1();
assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
}
{
c.v = new float[1][1][1]; c.v[0] = new float[0][0]; float[][] val1 = get2();
c.v[0] = new float[0][0]; float[][] val2 = get2();
assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
}
{
c.v = new float[0][0][0]; Object[][] val1 = get3();
c.v = new float[0][0][0]; Object[][] val2 = get3();
assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
}
}
}
/* ==================================================== */
static class NestedStableField {
static class A {
public @Stable float a;
}
public @Stable A v;
public static final NestedStableField c = new NestedStableField();
public static A get() { return c.v; }
public static float get1() { return get().a; }
public static void test() throws Exception {
{
c.v = new A(); c.v.a = 1.0F; A val1 = get();
c.v.a = 2.0F; A val2 = get();
assertEquals(val1.a, 2.0F);
assertEquals(val2.a, 2.0F);
}
{
c.v = new A(); c.v.a = 1.0F; float val1 = get1();
c.v.a = 2.0F; float val2 = get1();
c.v = new A(); c.v.a = 3.0F; float val3 = get1();
assertEquals(val1, 1.0F);
assertEquals(val2, (isStableEnabled ? 1.0F : 2.0F));
assertEquals(val3, (isStableEnabled ? 1.0F : 3.0F));
}
}
}
/* ==================================================== */
static class NestedStableField1 {
static class A {
public @Stable float 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 float 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 = 1.0F; c.v.next.a = 1.0F; A val1 = get();
c.v.a = 2.0F; c.v.next.a = 2.0F; A val2 = get();
assertEquals(val1.a, 2.0F);
assertEquals(val2.a, 2.0F);
}
{
c.v = new A(); c.v.next = c.v;
c.v.a = 1.0F; float val1 = get1();
c.v.a = 2.0F; float val2 = get1();
c.v = new A(); c.v.next = c.v;
c.v.a = 3.0F; float val3 = get1();
assertEquals(val1, 1.0F);
assertEquals(val2, (isStableEnabled ? 1.0F : 2.0F));
assertEquals(val3, (isStableEnabled ? 1.0F : 3.0F));
}
}
}
/* ==================================================== */
static class NestedStableField2 {
static class A {
public @Stable float a;
public @Stable A left;
public A right;
}
public @Stable A v;
public static final NestedStableField2 c = new NestedStableField2();
public static float get() { return c.v.left.left.left.a; }
public static float 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 = 1.0F; float val1 = get(); float val2 = get1();
c.v.a = 2.0F; float val3 = get(); float val4 = get1();
assertEquals(val1, 1.0F);
assertEquals(val3, (isStableEnabled ? 1.0F : 2.0F));
assertEquals(val2, 1.0F);
assertEquals(val4, 2.0F);
}
}
}
/* ==================================================== */
static class NestedStableField3 {
static class A {
public @Stable float a;
public @Stable A[] left;
public A[] right;
}
public @Stable A[] v;
public static final NestedStableField3 c = new NestedStableField3();
public static float get() { return c.v[0].left[1].left[0].left[1].a; }
public static float 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 = 1.0F; float val1 = get(); float val2 = get1();
elem.a = 2.0F; float val3 = get(); float val4 = get1();
assertEquals(val1, 1.0F);
assertEquals(val3, (isStableEnabled ? 1.0F : 2.0F));
assertEquals(val2, 1.0F);
assertEquals(val4, 2.0F);
}
}
}
/* ==================================================== */
// Auxiliary methods
static void assertEquals(float i, float 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);
}
}
}
}