jdk8-mips64-public/hotspot: test/compiler/stable/TestStableChar.java@fb9d124d9192 (annotated)

test/compiler/stable/TestStableChar.java@fb9d124d9192 (annotated)

test/compiler/stable/TestStableChar.java

Wed, 21 May 2014 10:56:41 -0700

author: katleman
date: Wed, 21 May 2014 10:56:41 -0700
changeset 6672: fb9d124d9192
parent 6528: 248ff38d2950
child 6747: ee1c924763d2
permissions: -rw-r--r--

Added tag jdk8u20-b15 for changeset 8c785f9bde6f

 /*
  * 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 TestStableChar
  * @summary tests on stable fields and arrays
  * @library /testlibrary
  * @compile -XDignore.symbol.file TestStableChar.java
  * @run main ClassFileInstaller
  *           java/lang/invoke/TestStableChar
  *           java/lang/invoke/TestStableChar$CharStable
  *           java/lang/invoke/TestStableChar$StaticCharStable
  *           java/lang/invoke/TestStableChar$VolatileCharStable
  *           java/lang/invoke/TestStableChar$CharArrayDim1
  *           java/lang/invoke/TestStableChar$CharArrayDim2
  *           java/lang/invoke/TestStableChar$CharArrayDim3
  *           java/lang/invoke/TestStableChar$CharArrayDim4
  *           java/lang/invoke/TestStableChar$ObjectArrayLowerDim0
  *           java/lang/invoke/TestStableChar$ObjectArrayLowerDim1
  *           java/lang/invoke/TestStableChar$NestedStableField
  *           java/lang/invoke/TestStableChar$NestedStableField$A
  *           java/lang/invoke/TestStableChar$NestedStableField1
  *           java/lang/invoke/TestStableChar$NestedStableField1$A
  *           java/lang/invoke/TestStableChar$NestedStableField2
  *           java/lang/invoke/TestStableChar$NestedStableField2$A
  *           java/lang/invoke/TestStableChar$NestedStableField3
  *           java/lang/invoke/TestStableChar$NestedStableField3$A
  *           java/lang/invoke/TestStableChar$DefaultValue
  *           java/lang/invoke/TestStableChar$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.TestStableChar
  *
  * @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.TestStableChar
  *
  * @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.TestStableChar
  *
  * @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.TestStableChar
  */
 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 TestStableChar {
     public static void main(String[] args) throws Exception {
         System.out.println("@Stable enabled: "+isStableEnabled);
         System.out.println();
         run(DefaultValue.class);
         run(CharStable.class);
         run(StaticCharStable.class);
         run(VolatileCharStable.class);
         // @Stable arrays: Dim 1-4
         run(CharArrayDim1.class);
         run(CharArrayDim2.class);
         run(CharArrayDim3.class);
         run(CharArrayDim4.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 char v;
         public static final DefaultValue c = new DefaultValue();
         public static char get() { return c.v; }
         public static void test() throws Exception {
                        char val1 = get();
             c.v = 'a'; char val2 = get();
             assertEquals(val1, 0);
             assertEquals(val2, 'a');
         }
     }
     /* ==================================================== */
     static class CharStable {
         public @Stable char v;
         public static final CharStable c = new CharStable();
         public static char get() { return c.v; }
         public static void test() throws Exception {
             c.v = 'a'; char val1 = get();
             c.v = 'b'; char val2 = get();
             assertEquals(val1, 'a');
             assertEquals(val2, (isStableEnabled ? 'a' : 'b'));
         }
     }
     /* ==================================================== */
     static class StaticCharStable {
         public @Stable char v;
         public static final StaticCharStable c = new StaticCharStable();
         public static char get() { return c.v; }
         public static void test() throws Exception {
             c.v = 'a'; char val1 = get();
             c.v = 'b'; char val2 = get();
             assertEquals(val1, 'a');
             assertEquals(val2, (isStableEnabled ? 'a' : 'b'));
         }
     }
     /* ==================================================== */
     static class VolatileCharStable {
         public @Stable volatile char v;
         public static final VolatileCharStable c = new VolatileCharStable();
         public static char get() { return c.v; }
         public static void test() throws Exception {
             c.v = 'a'; char val1 = get();
             c.v = 'b'; char val2 = get();
             assertEquals(val1, 'a');
             assertEquals(val2, (isStableEnabled ? 'a' : 'b'));
         }
     }
     /* ==================================================== */
     // @Stable array == field && all components are stable
     static class CharArrayDim1 {
         public @Stable char[] v;
         public static final CharArrayDim1 c = new CharArrayDim1();
         public static char get() { return c.v[0]; }
         public static char get1() { return c.v[10]; }
         public static char[] get2() { return c.v; }
         public static void test() throws Exception {
             {
                 c.v = new char[1]; c.v[0] = 'a'; char val1 = get();
                                    c.v[0] = 'b'; char val2 = get();
                 assertEquals(val1, 'a');
                 assertEquals(val2, (isStableEnabled ? 'a' : 'b'));
                 c.v = new char[1]; c.v[0] = 'c'; char val3 = get();
                 assertEquals(val3, (isStableEnabled ? 'a' : 'c'));
             }
             {
                 c.v = new char[20]; c.v[10] = 'a'; char val1 = get1();
                                     c.v[10] = 'b'; char val2 = get1();
                 assertEquals(val1, 'a');
                 assertEquals(val2, (isStableEnabled ? 'a' : 'b'));
                 c.v = new char[20]; c.v[10] = 'c'; char val3 = get1();
                 assertEquals(val3, (isStableEnabled ? 'a' : 'c'));
             }
             {
                 c.v = new char[1]; char[] val1 = get2();
                 c.v = new char[1]; char[] val2 = get2();
                 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
             }
         }
     }
     /* ==================================================== */
     static class CharArrayDim2 {
         public @Stable char[][] v;
         public static final CharArrayDim2 c = new CharArrayDim2();
         public static char get() { return c.v[0][0]; }
         public static char[] get1() { return c.v[0]; }
         public static char[][] get2() { return c.v; }
         public static void test() throws Exception {
             {
                 c.v = new char[1][1]; c.v[0][0] = 'a'; char val1 = get();
                                       c.v[0][0] = 'b'; char val2 = get();
                 assertEquals(val1, 'a');
                 assertEquals(val2, (isStableEnabled ? 'a' : 'b'));
                 c.v = new char[1][1]; c.v[0][0] = 'c'; char val3 = get();
                 assertEquals(val3, (isStableEnabled ? 'a' : 'c'));
                 c.v[0] = new char[1]; c.v[0][0] = 'd'; char val4 = get();
                 assertEquals(val4, (isStableEnabled ? 'a' : 'd'));
             }
             {
                 c.v = new char[1][1]; char[] val1 = get1();
                 c.v[0] = new char[1]; char[] val2 = get1();
                 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
             }
             {
                 c.v = new char[1][1]; char[][] val1 = get2();
                 c.v = new char[1][1]; char[][] val2 = get2();
                 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
             }
         }
     }
     /* ==================================================== */
     static class CharArrayDim3 {
         public @Stable char[][][] v;
         public static final CharArrayDim3 c = new CharArrayDim3();
         public static char get() { return c.v[0][0][0]; }
         public static char[] get1() { return c.v[0][0]; }
         public static char[][] get2() { return c.v[0]; }
         public static char[][][] get3() { return c.v; }
         public static void test() throws Exception {
             {
                 c.v = new char[1][1][1]; c.v[0][0][0] = 'a'; char val1 = get();
                                          c.v[0][0][0] = 'b'; char val2 = get();
                 assertEquals(val1, 'a');
                 assertEquals(val2, (isStableEnabled ? 'a' : 'b'));
                 c.v = new char[1][1][1]; c.v[0][0][0] = 'c'; char val3 = get();
                 assertEquals(val3, (isStableEnabled ? 'a' : 'c'));
                 c.v[0] = new char[1][1]; c.v[0][0][0] = 'd'; char val4 = get();
                 assertEquals(val4, (isStableEnabled ? 'a' : 'd'));
                 c.v[0][0] = new char[1]; c.v[0][0][0] = 'e'; char val5 = get();
                 assertEquals(val5, (isStableEnabled ? 'a' : 'e'));
             }
             {
                 c.v = new char[1][1][1]; char[] val1 = get1();
                 c.v[0][0] = new char[1]; char[] val2 = get1();
                 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
             }
             {
                 c.v = new char[1][1][1]; char[][] val1 = get2();
                 c.v[0] = new char[1][1]; char[][] val2 = get2();
                 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
             }
             {
                 c.v = new char[1][1][1]; char[][][] val1 = get3();
                 c.v = new char[1][1][1]; char[][][] val2 = get3();
                 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
             }
         }
     }
     /* ==================================================== */
     static class CharArrayDim4 {
         public @Stable char[][][][] v;
         public static final CharArrayDim4 c = new CharArrayDim4();
         public static char get() { return c.v[0][0][0][0]; }
         public static char[] get1() { return c.v[0][0][0]; }
         public static char[][] get2() { return c.v[0][0]; }
         public static char[][][] get3() { return c.v[0]; }
         public static char[][][][] get4() { return c.v; }
         public static void test() throws Exception {
             {
                 c.v = new char[1][1][1][1]; c.v[0][0][0][0] = 'a'; char val1 = get();
                                             c.v[0][0][0][0] = 'b'; char val2 = get();
                 assertEquals(val1, 'a');
                 assertEquals(val2, (isStableEnabled ? 'a' : 'b'));
                 c.v = new char[1][1][1][1]; c.v[0][0][0][0] = 'c'; char val3 = get();
                 assertEquals(val3, (isStableEnabled ? 'a' : 'c'));
                 c.v[0] = new char[1][1][1]; c.v[0][0][0][0] = 'd'; char val4 = get();
                 assertEquals(val4, (isStableEnabled ? 'a' : 'd'));
                 c.v[0][0] = new char[1][1]; c.v[0][0][0][0] = 'e'; char val5 = get();
                 assertEquals(val5, (isStableEnabled ? 'a' : 'e'));
                 c.v[0][0][0] = new char[1]; c.v[0][0][0][0] = 'f'; char val6 = get();
                 assertEquals(val6, (isStableEnabled ? 'a' : 'f'));
             }
             {
                 c.v = new char[1][1][1][1]; char[] val1 = get1();
                 c.v[0][0][0] = new char[1]; char[] val2 = get1();
                 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
             }
             {
                 c.v = new char[1][1][1][1]; char[][] val1 = get2();
                 c.v[0][0] = new char[1][1]; char[][] val2 = get2();
                 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
             }
             {
                 c.v = new char[1][1][1][1]; char[][][] val1 = get3();
                 c.v[0] = new char[1][1][1]; char[][][] val2 = get3();
                 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
             }
             {
                 c.v = new char[1][1][1][1]; char[][][][] val1 = get4();
                 c.v = new char[1][1][1][1]; char[][][][] 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 char get() { return ((char[])c.v)[0]; }
         public static char[] get1() { return (char[])c.v; }
         public static void test() throws Exception {
             {
                 c.v = new char[1]; ((char[])c.v)[0] = 'a'; char val1 = get();
                                    ((char[])c.v)[0] = 'b'; char val2 = get();
                 assertEquals(val1, 'a');
                 assertEquals(val2, 'b');
             }
             {
                 c.v = new char[1]; char[] val1 = get1();
                 c.v = new char[1]; char[] val2 = get1();
                 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
             }
         }
     }
     /* ==================================================== */
     static class ObjectArrayLowerDim1 {
         public @Stable Object[] v;
         public static final ObjectArrayLowerDim1 c = new ObjectArrayLowerDim1();
         public static char get() { return ((char[][])c.v)[0][0]; }
         public static char[] get1() { return (char[])(c.v[0]); }
         public static Object[] get2() { return c.v; }
         public static void test() throws Exception {
             {
                 c.v = new char[1][1]; ((char[][])c.v)[0][0] = 'a'; char val1 = get();
                                       ((char[][])c.v)[0][0] = 'b'; char val2 = get();
                 assertEquals(val1, 'a');
                 assertEquals(val2, 'b');
             }
             {
                 c.v = new char[1][1]; c.v[0] = new char[0]; char[] val1 = get1();
                                       c.v[0] = new char[0]; char[] val2 = get1();
                 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
             }
             {
                 c.v = new char[0][0]; Object[] val1 = get2();
                 c.v = new char[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 char get() { return ((char[][][])c.v)[0][0][0]; }
         public static char[] get1() { return (char[])(c.v[0][0]); }
         public static char[][] get2() { return (char[][])(c.v[0]); }
         public static Object[][] get3() { return c.v; }
         public static void test() throws Exception {
             {
                 c.v = new char[1][1][1]; ((char[][][])c.v)[0][0][0] = 'a';  char val1 = get();
                                          ((char[][][])c.v)[0][0][0] = 'b'; char val2 = get();
                 assertEquals(val1, 'a');
                 assertEquals(val2, 'b');
             }
             {
                 c.v = new char[1][1][1]; c.v[0][0] = new char[0]; char[] val1 = get1();
                                          c.v[0][0] = new char[0]; char[] val2 = get1();
                 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
             }
             {
                 c.v = new char[1][1][1]; c.v[0] = new char[0][0]; char[][] val1 = get2();
                                          c.v[0] = new char[0][0]; char[][] val2 = get2();
                 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
             }
             {
                 c.v = new char[0][0][0]; Object[][] val1 = get3();
                 c.v = new char[0][0][0]; Object[][] val2 = get3();
                 assertTrue((isStableEnabled ? (val1 == val2) : (val1 != val2)));
             }
         }
     }
     /* ==================================================== */
     static class NestedStableField {
         static class A {
             public @Stable char a;
         }
         public @Stable A v;
         public static final NestedStableField c = new NestedStableField();
         public static A get() { return c.v; }
         public static char get1() { return get().a; }
         public static void test() throws Exception {
             {
                 c.v = new A(); c.v.a = 'a'; A val1 = get();
                                c.v.a = 'b'; A val2 = get();
                 assertEquals(val1.a, 'b');
                 assertEquals(val2.a, 'b');
             }
             {
                 c.v = new A(); c.v.a = 'a'; char val1 = get1();
                                c.v.a = 'b'; char val2 = get1();
                 c.v = new A(); c.v.a = 'c'; char val3 = get1();
                 assertEquals(val1, 'a');
                 assertEquals(val2, (isStableEnabled ? 'a' : 'b'));
                 assertEquals(val3, (isStableEnabled ? 'a' : 'c'));
             }
         }
     }
     /* ==================================================== */
     static class NestedStableField1 {
         static class A {
             public @Stable char 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 char 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 = 'a'; c.v.next.a = 'a'; A val1 = get();
                                c.v.a = 'b'; c.v.next.a = 'b'; A val2 = get();
                 assertEquals(val1.a, 'b');
                 assertEquals(val2.a, 'b');
             }
             {
                 c.v = new A(); c.v.next = c.v;
                                c.v.a = 'a'; char val1 = get1();
                                c.v.a = 'b'; char val2 = get1();
                 c.v = new A(); c.v.next = c.v;
                                c.v.a = 'c'; char val3 = get1();
                 assertEquals(val1, 'a');
                 assertEquals(val2, (isStableEnabled ? 'a' : 'b'));
                 assertEquals(val3, (isStableEnabled ? 'a' : 'c'));
             }
         }
     }
    /* ==================================================== */
     static class NestedStableField2 {
         static class A {
             public @Stable char a;
             public @Stable A left;
             public         A right;
         }
         public @Stable A v;
         public static final NestedStableField2 c = new NestedStableField2();
         public static char get() { return c.v.left.left.left.a; }
         public static char 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 = 'a'; char val1 = get(); char val2 = get1();
                                c.v.a = 'b'; char val3 = get(); char val4 = get1();
                 assertEquals(val1, 'a');
                 assertEquals(val3, (isStableEnabled ? 'a' : 'b'));
                 assertEquals(val2, 'a');
                 assertEquals(val4, 'b');
             }
         }
     }
     /* ==================================================== */
     static class NestedStableField3 {
         static class A {
             public @Stable char a;
             public @Stable A[] left;
             public         A[] right;
         }
         public @Stable A[] v;
         public static final NestedStableField3 c = new NestedStableField3();
         public static char get() { return c.v[0].left[1].left[0].left[1].a; }
         public static char 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 = 'a'; char val1 = get(); char val2 = get1();
                                elem.a = 'b'; char val3 = get(); char val4 = get1();
                 assertEquals(val1, 'a');
                 assertEquals(val3, (isStableEnabled ? 'a' : 'b'));
                 assertEquals(val2, 'a');
                 assertEquals(val4, 'b');
             }
         }
     }
     /* ==================================================== */
     // 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()));
     }
 }

Mercurial > jdk8-mips64-public > hotspot / annotate

test/compiler/stable/TestStableChar.java@fb9d124d9192 (annotated)

test/compiler/stable/TestStableChar.java