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changeset 1057:6de46794603c

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8060011: Concatenating an array and converting it to Java gives wrong result Reviewed-by: lagergren, attila
author hannesw
date Fri, 17 Oct 2014 15:04:25 +0200
parents 1dd26718dbaa
children 42fc6bc42dae
files src/jdk/nashorn/internal/runtime/arrays/DeletedRangeArrayFilter.java src/jdk/nashorn/internal/runtime/arrays/IntArrayData.java src/jdk/nashorn/internal/runtime/arrays/LongArrayData.java src/jdk/nashorn/internal/runtime/arrays/NumberArrayData.java src/jdk/nashorn/internal/runtime/arrays/ObjectArrayData.java src/jdk/nashorn/internal/runtime/arrays/SparseArrayData.java test/script/basic/JDK-8060011.js
diffstat 7 files changed, 81 insertions(+), 22 deletions(-) [+]
line wrap: on
line diff
--- a/src/jdk/nashorn/internal/runtime/arrays/DeletedRangeArrayFilter.java	Thu Oct 16 11:34:31 2014 +0200
+++ b/src/jdk/nashorn/internal/runtime/arrays/DeletedRangeArrayFilter.java	Fri Oct 17 15:04:25 2014 +0200
@@ -66,9 +66,9 @@
     public Object[] asObjectArray() {
         final Object[] value = super.asObjectArray();
 
-        if (lo <= Integer.MAX_VALUE) {
-            final int intHi = (int)Math.min(hi, Integer.MAX_VALUE);
-            for (int i = (int)lo; i <= intHi; i++) {
+        if (lo < Integer.MAX_VALUE) {
+            final int end = (int)Math.min(hi + 1, Integer.MAX_VALUE);
+            for (int i = (int)lo; i < end; i++) {
                 value[i] = ScriptRuntime.UNDEFINED;
             }
         }
@@ -81,9 +81,9 @@
         final Object value = super.asArrayOfType(componentType);
         final Object undefValue = convertUndefinedValue(componentType);
 
-        if (lo <= Integer.MAX_VALUE) {
-            final int intHi = (int)Math.min(hi, Integer.MAX_VALUE);
-            for (int i = (int)lo; i <= intHi; i++) {
+        if (lo < Integer.MAX_VALUE) {
+            final int end = (int)Math.min(hi + 1, Integer.MAX_VALUE);
+            for (int i = (int)lo; i < end; i++) {
                 Array.set(value, i, undefValue);
             }
         }
--- a/src/jdk/nashorn/internal/runtime/arrays/IntArrayData.java	Thu Oct 16 11:34:31 2014 +0200
+++ b/src/jdk/nashorn/internal/runtime/arrays/IntArrayData.java	Fri Oct 17 15:04:25 2014 +0200
@@ -73,7 +73,7 @@
 
     @Override
     public Object[] asObjectArray() {
-        return toObjectArray();
+        return toObjectArray(true);
     }
 
     @SuppressWarnings("unused")
@@ -116,9 +116,9 @@
         return super.asArrayOfType(componentType);
     }
 
-    private Object[] toObjectArray() {
+    private Object[] toObjectArray(final boolean trim) {
         assert length <= array.length : "length exceeds internal array size";
-        final Object[] oarray = new Object[array.length];
+        final Object[] oarray = new Object[trim ? (int)length : array.length];
 
         for (int index = 0; index < length; index++) {
             oarray[index] = Integer.valueOf(array[index]);
@@ -158,7 +158,7 @@
     }
 
     private ObjectArrayData convertToObject() {
-        return new ObjectArrayData(toObjectArray(), (int)length);
+        return new ObjectArrayData(toObjectArray(false), (int)length);
     }
 
     @Override
--- a/src/jdk/nashorn/internal/runtime/arrays/LongArrayData.java	Thu Oct 16 11:34:31 2014 +0200
+++ b/src/jdk/nashorn/internal/runtime/arrays/LongArrayData.java	Fri Oct 17 15:04:25 2014 +0200
@@ -67,12 +67,12 @@
 
     @Override
     public Object[] asObjectArray() {
-        return toObjectArray(array, (int)length);
+        return toObjectArray(true);
     }
 
-    private static Object[] toObjectArray(final long[] array, final int length) {
+    private Object[] toObjectArray(final boolean trim) {
         assert length <= array.length : "length exceeds internal array size";
-        final Object[] oarray = new Object[array.length];
+        final Object[] oarray = new Object[trim ? (int)length : array.length];
 
         for (int index = 0; index < length; index++) {
             oarray[index] = Long.valueOf(array[index]);
@@ -89,7 +89,7 @@
         return super.asArrayOfType(componentType);
     }
 
-    private static double[] toDoubleArray(final long[] array, final int length) {
+    private double[] toDoubleArray() {
         assert length <= array.length : "length exceeds internal array size";
         final double[] darray = new double[array.length];
 
@@ -107,9 +107,9 @@
         }
         final int len = (int)length;
         if (type == Double.class) {
-            return new NumberArrayData(LongArrayData.toDoubleArray(array, len), len);
+            return new NumberArrayData(toDoubleArray(), len);
         }
-        return new ObjectArrayData(LongArrayData.toObjectArray(array, len), len);
+        return new ObjectArrayData(toObjectArray(false), len);
     }
 
     @Override
--- a/src/jdk/nashorn/internal/runtime/arrays/NumberArrayData.java	Thu Oct 16 11:34:31 2014 +0200
+++ b/src/jdk/nashorn/internal/runtime/arrays/NumberArrayData.java	Fri Oct 17 15:04:25 2014 +0200
@@ -66,12 +66,12 @@
 
     @Override
     public Object[] asObjectArray() {
-        return toObjectArray(array, (int)length);
+        return toObjectArray(true);
     }
 
-    private static Object[] toObjectArray(final double[] array, final int length) {
+    private Object[] toObjectArray(final boolean trim) {
         assert length <= array.length : "length exceeds internal array size";
-        final Object[] oarray = new Object[array.length];
+        final Object[] oarray = new Object[trim ? (int)length : array.length];
 
         for (int index = 0; index < length; index++) {
             oarray[index] = Double.valueOf(array[index]);
@@ -91,7 +91,7 @@
     public ArrayData convert(final Class<?> type) {
         if (type != Double.class && type != Integer.class && type != Long.class) {
             final int len = (int)length;
-            return new ObjectArrayData(NumberArrayData.toObjectArray(array, len), len);
+            return new ObjectArrayData(toObjectArray(false), len);
         }
         return this;
     }
--- a/src/jdk/nashorn/internal/runtime/arrays/ObjectArrayData.java	Thu Oct 16 11:34:31 2014 +0200
+++ b/src/jdk/nashorn/internal/runtime/arrays/ObjectArrayData.java	Fri Oct 17 15:04:25 2014 +0200
@@ -155,7 +155,8 @@
 
     @Override
     public ArrayData setEmpty(final long lo, final long hi) {
-        Arrays.fill(array, (int)Math.max(lo, 0L), (int)Math.min(hi, Integer.MAX_VALUE), ScriptRuntime.EMPTY);
+        // hi parameter is inclusive, but Arrays.fill toIndex parameter is exclusive
+        Arrays.fill(array, (int)Math.max(lo, 0L), (int)Math.min(hi + 1, Integer.MAX_VALUE), ScriptRuntime.EMPTY);
         return this;
     }
 
--- a/src/jdk/nashorn/internal/runtime/arrays/SparseArrayData.java	Thu Oct 16 11:34:31 2014 +0200
+++ b/src/jdk/nashorn/internal/runtime/arrays/SparseArrayData.java	Fri Oct 17 15:04:25 2014 +0200
@@ -78,7 +78,7 @@
 
         for (final Map.Entry<Long, Object> entry : sparseMap.entrySet()) {
             final long key = entry.getKey();
-            if (key <= Integer.MAX_VALUE) {
+            if (key < Integer.MAX_VALUE) {
                 objArray[(int)key] = entry.getValue();
             } else {
                 break; // ascending key order
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/script/basic/JDK-8060011.js	Fri Oct 17 15:04:25 2014 +0200
@@ -0,0 +1,58 @@
+/*
+ * 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.
+ * 
+ * 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.
+ */
+
+/**
+ * JDK-8060011: Concatenating an array and converting it to Java gives wrong result
+ *
+ * @test
+ * @run
+ */
+
+
+function compareAsJavaArrays(a1, a2) {
+    var ja1 = Java.to(a1);
+    var ja2 = Java.to(a2);
+    if (ja1.length !== ja2.length) {
+        throw "different length";
+    }
+    for (var i = 0; i < ja1.length; i++) {
+        if (ja1[i] !== ja2[i]) {
+            throw "different element at " + i;
+        }
+    }
+    if (java.util.Arrays.toString(ja1) !== java.util.Arrays.toString(ja2)) {
+        throw "different string representation";
+    }
+}
+
+compareAsJavaArrays([0, 1, 2, 3],
+                    [0].concat([1, 2, 3]));
+compareAsJavaArrays([1000000000, 2000000000, 3000000000, 4000000000],
+                    [1000000000].concat([2000000000, 3000000000, 4000000000]));
+compareAsJavaArrays([0.5, 1.5, 2.5, 3.5],
+                    [0.5].concat([1.5, 2.5, 3.5]));
+compareAsJavaArrays(["0", "1", "2", "3"],
+                    ["0"].concat(["1", "2", "3"]));
+
+
+