8143896: java.lang.Long is implicitly converted to double

Reviewed-by: lagergren, sundar

src/jdk/nashorn/internal/objects/NativeArray.java

@@ -293,8 +293,8 @@ public final class NativeArray extends ScriptObject implements OptimisticBuiltin
         // Step 3c and 3d - get new length and convert to long
         final long newLen = NativeArray.validLength(newLenDesc.getValue());
 
-        // Step 3e
-        newLenDesc.setValue(newLen);
+        // Step 3e - note that we need to convert to int or double as long is not considered a JS number type anymore
+        newLenDesc.setValue(JSType.isRepresentableAsInt(newLen) ? Integer.valueOf((int) newLen) : Double.valueOf((double) newLen));
 
         // Step 3f
         // increasing array length - just need to set new length value (and attributes if any) and return
@@ -917,21 +917,6 @@ public final class NativeArray extends ScriptObject implements OptimisticBuiltin
         return getContinuousNonEmptyArrayDataCCE(self, IntElements.class).fastPopInt();
     }
 
-    /**
-     * Specialization of pop for ContinuousArrayData
-     *
-     * Primitive specialization, {@link LinkLogic}
-     *
-     * @param self self reference
-     * @return element popped
-     * @throws ClassCastException if array is empty, facilitating Undefined return value
-     */
-    @SpecializedFunction(name="pop", linkLogic=PopLinkLogic.class)
-    public static long popLong(final Object self) {
-        //must be non empty Int or LongArrayData
-        return getContinuousNonEmptyArrayDataCCE(self, IntOrLongElements.class).fastPopLong();
-    }
-
     /**
      * Specialization of pop for ContinuousArrayData
      *
@@ -1006,7 +991,7 @@ public final class NativeArray extends ScriptObject implements OptimisticBuiltin
      * @return array length after push
      */
     @SpecializedFunction(linkLogic=PushLinkLogic.class)
-    public static long push(final Object self, final int arg) {
+    public static double push(final Object self, final int arg) {
         return getContinuousArrayDataCCE(self, Integer.class).fastPush(arg);
     }
 
@@ -1020,7 +1005,7 @@ public final class NativeArray extends ScriptObject implements OptimisticBuiltin
      * @return array length after push
      */
     @SpecializedFunction(linkLogic=PushLinkLogic.class)
-    public static long push(final Object self, final long arg) {
+    public static double push(final Object self, final long arg) {
         return getContinuousArrayDataCCE(self, Long.class).fastPush(arg);
     }
 
@@ -1034,7 +1019,7 @@ public final class NativeArray extends ScriptObject implements OptimisticBuiltin
      * @return array length after push
      */
     @SpecializedFunction(linkLogic=PushLinkLogic.class)
-    public static long push(final Object self, final double arg) {
+    public static double push(final Object self, final double arg) {
         return getContinuousArrayDataCCE(self, Double.class).fastPush(arg);
     }
 
@@ -1048,7 +1033,7 @@ public final class NativeArray extends ScriptObject implements OptimisticBuiltin
      * @return array length after push
      */
     @SpecializedFunction(name="push", linkLogic=PushLinkLogic.class)
-    public static long pushObject(final Object self, final Object arg) {
+    public static double pushObject(final Object self, final Object arg) {
         return getContinuousArrayDataCCE(self, Object.class).fastPush(arg);
     }
 
@@ -1090,7 +1075,7 @@ public final class NativeArray extends ScriptObject implements OptimisticBuiltin
      * @return array after pushes
      */
     @SpecializedFunction
-    public static long push(final Object self, final Object arg) {
+    public static double push(final Object self, final Object arg) {
         try {
             final ScriptObject sobj = (ScriptObject)self;
             final ArrayData arrayData = sobj.getArray();
@@ -1507,7 +1492,7 @@ public final class NativeArray extends ScriptObject implements OptimisticBuiltin
      * @return index of element, or -1 if not found
      */
     @Function(attributes = Attribute.NOT_ENUMERABLE, arity = 1)
-    public static long indexOf(final Object self, final Object searchElement, final Object fromIndex) {
+    public static double indexOf(final Object self, final Object searchElement, final Object fromIndex) {
         try {
             final ScriptObject sobj = (ScriptObject)Global.toObject(self);
             final long         len  = JSType.toUint32(sobj.getLength());
@@ -1543,7 +1528,7 @@ public final class NativeArray extends ScriptObject implements OptimisticBuiltin
      * @return index of element, or -1 if not found
      */
     @Function(attributes = Attribute.NOT_ENUMERABLE, arity = 1)
-    public static long lastIndexOf(final Object self, final Object... args) {
+    public static double lastIndexOf(final Object self, final Object... args) {
         try {
             final ScriptObject sobj = (ScriptObject)Global.toObject(self);
             final long         len  = JSType.toUint32(sobj.getLength());

src/jdk/nashorn/internal/objects/NativeDate.java

@@ -256,8 +256,9 @@ public final class NativeDate extends ScriptObject {
      * @return a Date that points to the current moment in time
      */
     @Function(attributes = Attribute.NOT_ENUMERABLE, where = Where.CONSTRUCTOR)
-    public static long now(final Object self) {
-        return System.currentTimeMillis();
+    public static double now(final Object self) {
+        // convert to double as long does not represent the primitive JS number type
+        return (double) System.currentTimeMillis();
     }
 
     /**

src/jdk/nashorn/internal/objects/NativeNumber.java

@@ -49,6 +49,7 @@ import jdk.nashorn.internal.runtime.JSType;
 import jdk.nashorn.internal.runtime.PropertyMap;
 import jdk.nashorn.internal.runtime.ScriptObject;
 import jdk.nashorn.internal.runtime.ScriptRuntime;
+import jdk.nashorn.internal.runtime.linker.NashornGuards;
 import jdk.nashorn.internal.runtime.linker.PrimitiveLookup;
 
 /**
@@ -322,7 +323,7 @@ public final class NativeNumber extends ScriptObject {
      * @return Link to be invoked at call site.
      */
     public static GuardedInvocation lookupPrimitive(final LinkRequest request, final Object receiver) {
-        return PrimitiveLookup.lookupPrimitive(request, Number.class, new NativeNumber(((Number)receiver).doubleValue()), WRAPFILTER, PROTOFILTER);
+        return PrimitiveLookup.lookupPrimitive(request, NashornGuards.getNumberGuard(), new NativeNumber(((Number)receiver).doubleValue()), WRAPFILTER, PROTOFILTER);
     }
 
     @SuppressWarnings("unused")

src/jdk/nashorn/internal/objects/NativeRegExpExecResult.java

@@ -74,7 +74,7 @@ public final class NativeRegExpExecResult extends ScriptObject {
     @Getter(attributes = Attribute.NOT_ENUMERABLE | Attribute.NOT_CONFIGURABLE)
     public static Object length(final Object self) {
         if (self instanceof ScriptObject) {
-            return JSType.toUint32(((ScriptObject)self).getArray().length());
+            return (double) JSType.toUint32(((ScriptObject)self).getArray().length());
         }
 
         return 0;

src/jdk/nashorn/internal/objects/NativeString.java

@@ -157,7 +157,7 @@ public final class NativeString extends ScriptObject implements OptimisticBuilti
 
         if (returnType == Object.class && JSType.isString(self)) {
             try {
-                return new GuardedInvocation(MH.findStatic(MethodHandles.lookup(), NativeString.class, "get", desc.getMethodType()), NashornGuards.getInstanceOf2Guard(String.class, ConsString.class));
+                return new GuardedInvocation(MH.findStatic(MethodHandles.lookup(), NativeString.class, "get", desc.getMethodType()), NashornGuards.getStringGuard());
             } catch (final LookupException e) {
                 //empty. Shouldn't happen. Fall back to super
             }
@@ -1241,8 +1241,8 @@ public final class NativeString extends ScriptObject implements OptimisticBuilti
      * @return Link to be invoked at call site.
      */
     public static GuardedInvocation lookupPrimitive(final LinkRequest request, final Object receiver) {
-        final MethodHandle guard = NashornGuards.getInstanceOf2Guard(String.class, ConsString.class);
-        return PrimitiveLookup.lookupPrimitive(request, guard, new NativeString((CharSequence)receiver), WRAPFILTER, PROTOFILTER);
+        return PrimitiveLookup.lookupPrimitive(request, NashornGuards.getStringGuard(),
+                new NativeString((CharSequence)receiver), WRAPFILTER, PROTOFILTER);
     }
 
     @SuppressWarnings("unused")

src/jdk/nashorn/internal/runtime/JSType.java

@@ -174,6 +174,12 @@ public enum JSType {
     /** Method handle for void returns. */
     public static final Call VOID_RETURN = staticCall(JSTYPE_LOOKUP, JSType.class, "voidReturn", void.class);
 
+    /** Method handle for isString method */
+    public static final Call IS_STRING = staticCall(JSTYPE_LOOKUP, JSType.class, "isString", boolean.class, Object.class);
+
+    /** Method handle for isNumber method */
+    public static final Call IS_NUMBER = staticCall(JSTYPE_LOOKUP, JSType.class, "isNumber", boolean.class, Object.class);
+
     /**
      * The list of available accessor types in width order. This order is used for type guesses narrow{@literal ->} wide
      *  in the dual--fields world
@@ -276,7 +282,7 @@ public enum JSType {
             return JSType.STRING;
         }
 
-        if (obj instanceof Number) {
+        if (isNumber(obj)) {
             return JSType.NUMBER;
         }
 
@@ -314,7 +320,7 @@ public enum JSType {
             return JSType.STRING;
         }
 
-        if (obj instanceof Number) {
+        if (isNumber(obj)) {
             return JSType.NUMBER;
         }
 
@@ -421,9 +427,9 @@ public enum JSType {
     public static boolean isPrimitive(final Object obj) {
         return obj == null ||
                obj == ScriptRuntime.UNDEFINED ||
-               obj instanceof Boolean ||
-               obj instanceof Number ||
-               isString(obj);
+               isString(obj) ||
+               isNumber(obj) ||
+               obj instanceof Boolean;
     }
 
    /**
@@ -587,6 +593,24 @@ public enum JSType {
         return obj instanceof String || obj instanceof ConsString;
     }
 
+    /**
+     * Returns true if object represents a primitive JavaScript number value. Note that we only
+     * treat wrapper objects of Java primitive number types as objects that can be fully represented
+     * as JavaScript numbers (doubles). This means we exclude {@code long} and special purpose Number
+     * instances such as {@link java.util.concurrent.atomic.AtomicInteger}, as well as arbitrary precision
+     * numbers such as {@link java.math.BigInteger}.
+     *
+     * @param obj the object
+     * @return true if the object represents a primitive JavaScript number value.
+     */
+    public static boolean isNumber(final Object obj) {
+        if (obj != null) {
+            final Class<?> c = obj.getClass();
+            return c == Integer.class || c == Double.class || c == Float.class || c == Short.class || c == Byte.class;
+        }
+        return false;
+    }
+
     /**
      * JavaScript compliant conversion of integer to String
      *
@@ -737,7 +761,7 @@ public enum JSType {
         if (obj instanceof Double) {
             return (Double)obj;
         }
-        if (obj instanceof Number) {
+        if (isNumber(obj)) {
             return ((Number)obj).doubleValue();
         }
         return Double.NaN;
@@ -1313,7 +1337,7 @@ public enum JSType {
             return obj.toString();
         }
 
-        if (obj instanceof Number) {
+        if (isNumber(obj)) {
             return toString(((Number)obj).doubleValue());
         }
 

src/jdk/nashorn/internal/runtime/arrays/ContinuousArrayData.java

@@ -290,7 +290,7 @@ public abstract class ContinuousArrayData extends ArrayData {
      * @param arg argument
      * @return new array length
      */
-    public long fastPush(final int arg) {
+    public double fastPush(final int arg) {
         throw new ClassCastException(String.valueOf(getClass())); //type is wrong, relink
     }
 
@@ -299,7 +299,7 @@ public abstract class ContinuousArrayData extends ArrayData {
      * @param arg argument
      * @return new array length
      */
-    public long fastPush(final long arg) {
+    public double fastPush(final long arg) {
         throw new ClassCastException(String.valueOf(getClass())); //type is wrong, relink
     }
 
@@ -308,7 +308,7 @@ public abstract class ContinuousArrayData extends ArrayData {
      * @param arg argument
      * @return new array length
      */
-    public long fastPush(final double arg) {
+    public double fastPush(final double arg) {
         throw new ClassCastException(String.valueOf(getClass())); //type is wrong, relink
     }
 
@@ -317,7 +317,7 @@ public abstract class ContinuousArrayData extends ArrayData {
      * @param arg argument
      * @return new array length
      */
-    public long fastPush(final Object arg) {
+    public double fastPush(final Object arg) {
         throw new ClassCastException(String.valueOf(getClass())); //type is wrong, relink
     }
 
@@ -329,14 +329,6 @@ public abstract class ContinuousArrayData extends ArrayData {
         throw new ClassCastException(String.valueOf(getClass())); //type is wrong, relink
     }
 
-    /**
-     * Specialization - fast pop implementation
-     * @return element value
-     */
-    public long fastPopLong() {
-        throw new ClassCastException(String.valueOf(getClass())); //type is wrong, relink
-    }
-
     /**
      * Specialization - fast pop implementation
      * @return element value

src/jdk/nashorn/internal/runtime/arrays/IntArrayData.java

@@ -340,7 +340,7 @@ final class IntArrayData extends ContinuousArrayData implements IntElements {
     }
 
     @Override
-    public long fastPush(final int arg) {
+    public double fastPush(final int arg) {
         final int len = (int)length();
         if (len == array.length) {
             array = Arrays.copyOf(array, nextSize(len));
@@ -361,11 +361,6 @@ final class IntArrayData extends ContinuousArrayData implements IntElements {
         return elem;
     }
 
-    @Override
-    public long fastPopLong() {
-        return fastPopInt();
-    }
-
     @Override
     public double fastPopDouble() {
         return fastPopInt();

src/jdk/nashorn/internal/runtime/arrays/NumberArrayData.java

@@ -303,17 +303,17 @@ final class NumberArrayData extends ContinuousArrayData implements NumericElemen
     }
 
     @Override
-    public long fastPush(final int arg) {
+    public double fastPush(final int arg) {
         return fastPush((double)arg);
     }
 
     @Override
-    public long fastPush(final long arg) {
+    public double fastPush(final long arg) {
         return fastPush((double)arg);
     }
 
     @Override
-    public long fastPush(final double arg) {
+    public double fastPush(final double arg) {
         final int len = (int)length();
         if (len == array.length) {
            //note that fastpush never creates spares arrays, there is nothing to gain by that - it will just use even more memory

src/jdk/nashorn/internal/runtime/arrays/ObjectArrayData.java

@@ -236,22 +236,22 @@ final class ObjectArrayData extends ContinuousArrayData implements AnyElements {
     }
 
     @Override
-    public long fastPush(final int arg) {
+    public double fastPush(final int arg) {
         return fastPush((Object)arg);
     }
 
     @Override
-    public long fastPush(final long arg) {
+    public double fastPush(final long arg) {
         return fastPush((Object)arg);
     }
 
     @Override
-    public long fastPush(final double arg) {
+    public double fastPush(final double arg) {
         return fastPush((Object)arg);
     }
 
     @Override
-    public long fastPush(final Object arg) {
+    public double fastPush(final Object arg) {
         final int len = (int)length();
         if (len == array.length) {
             array = Arrays.copyOf(array, nextSize(len));

src/jdk/nashorn/internal/runtime/linker/NashornGuards.java

@@ -34,6 +34,7 @@ import jdk.internal.dynalink.CallSiteDescriptor;
 import jdk.internal.dynalink.linker.LinkRequest;
 import jdk.nashorn.api.scripting.JSObject;
 import jdk.nashorn.internal.objects.Global;
+import jdk.nashorn.internal.runtime.JSType;
 import jdk.nashorn.internal.runtime.Property;
 import jdk.nashorn.internal.runtime.PropertyMap;
 import jdk.nashorn.internal.runtime.ScriptFunction;
@@ -46,10 +47,9 @@ import jdk.nashorn.internal.runtime.options.Options;
 public final class NashornGuards {
     private static final MethodHandle IS_MAP              = findOwnMH("isMap", boolean.class, ScriptObject.class, PropertyMap.class);
     private static final MethodHandle IS_MAP_SCRIPTOBJECT = findOwnMH("isMap", boolean.class, Object.class, PropertyMap.class);
-    private static final MethodHandle IS_INSTANCEOF_2     = findOwnMH("isInstanceOf2", boolean.class, Object.class, Class.class, Class.class);
     private static final MethodHandle IS_SCRIPTOBJECT     = findOwnMH("isScriptObject", boolean.class, Object.class);
     private static final MethodHandle IS_NOT_JSOBJECT     = findOwnMH("isNotJSObject", boolean.class, Object.class);
-    private static final MethodHandle SAME_OBJECT       = findOwnMH("sameObject", boolean.class, Object.class, WeakReference.class);
+    private static final MethodHandle SAME_OBJECT         = findOwnMH("sameObject", boolean.class, Object.class, WeakReference.class);
     //TODO - maybe put this back in ScriptFunction instead of the ClassCastException.class relinkage
     //private static final MethodHandle IS_SCRIPTFUNCTION = findOwnMH("isScriptFunction", boolean.class, Object.class);
 
@@ -165,14 +165,21 @@ public final class NashornGuards {
     }
 
     /**
-     * Get a guard that checks if in item is an instance of either of two classes.
+     * Get a guard that checks if in item is a JS string.
      *
-     * @param class1 the first class
-     * @param class2 the second class
      * @return method handle for guard
      */
-    public static MethodHandle getInstanceOf2Guard(final Class<?> class1, final Class<?> class2) {
-        return MH.insertArguments(IS_INSTANCEOF_2, 1, class1, class2);
+    public static MethodHandle getStringGuard() {
+        return JSType.IS_STRING.methodHandle();
+    }
+
+    /**
+     * Get a guard that checks if in item is a JS number.
+     *
+     * @return method handle for guard
+     */
+    public static MethodHandle getNumberGuard() {
+        return JSType.IS_NUMBER.methodHandle();
     }
 
     /**
@@ -223,11 +230,6 @@ public final class NashornGuards {
         return self == ref.get();
     }
 
-    @SuppressWarnings("unused")
-    private static boolean isInstanceOf2(final Object self, final Class<?> class1, final Class<?> class2) {
-        return class1.isInstance(self) || class2.isInstance(self);
-    }
-
     @SuppressWarnings("unused")
     private static boolean isScriptFunction(final Object self) {
         return self instanceof ScriptFunction;

src/jdk/nashorn/internal/runtime/linker/NashornPrimitiveLinker.java

@@ -57,7 +57,8 @@ final class NashornPrimitiveLinker implements TypeBasedGuardingDynamicLinker, Gu
     }
 
     private static boolean canLinkTypeStatic(final Class<?> type) {
-        return type == String.class || type == Boolean.class || type == ConsString.class || Number.class.isAssignableFrom(type);
+        return type == String.class || type == Boolean.class || type == ConsString.class || type == Integer.class
+                || type == Double.class || type == Float.class || type == Short.class || type == Byte.class;
     }
 
     @Override
@@ -171,7 +172,7 @@ final class NashornPrimitiveLinker implements TypeBasedGuardingDynamicLinker, Gu
 
     @SuppressWarnings("unused")
     private static boolean isJavaScriptPrimitive(final Object o) {
-        return JSType.isString(o) || o instanceof Boolean || o instanceof Number || o == null;
+        return JSType.isString(o) || o instanceof Boolean || JSType.isNumber(o) || o == null;
     }
 
     private static final MethodHandle GUARD_PRIMITIVE = findOwnMH("isJavaScriptPrimitive", boolean.class, Object.class);

test/script/basic/JDK-8030200.js

@@ -33,4 +33,4 @@ print(n);
 var s = n.toString(5);
 var m = parseInt(s, 5);
 print(m === n);
-print(n);
+print(m);

test/script/basic/JDK-8079145.js.EXPECTED

@@ -5,8 +5,8 @@ int array: check widen for false [class java.lang.Boolean]
 int array: check widen for true [class java.lang.Boolean]
 int array: check widen for 34 [class java.lang.Byte]
 int array: check widen for 344454 [class java.lang.Integer]
-int array: check widen for 454545 [class java.lang.Long]
-int array: check widen for 2147483648 [class java.lang.Long]
+int array: check widen for 454545
+int array: check widen for 2147483648
 int array: check widen for 34.29999923706055 [class java.lang.Float]
 int array: check widen for 3.141592653589793 [class java.lang.Double]
 int array: check widen for s
@@ -17,8 +17,8 @@ long array: check widen for false [class java.lang.Boolean]
 long array: check widen for true [class java.lang.Boolean]
 long array: check widen for 34 [class java.lang.Byte]
 long array: check widen for 344454 [class java.lang.Integer]
-long array: check widen for 454545 [class java.lang.Long]
-long array: check widen for 2147483648 [class java.lang.Long]
+long array: check widen for 454545
+long array: check widen for 2147483648
 long array: check widen for 34.29999923706055 [class java.lang.Float]
 long array: check widen for 3.141592653589793 [class java.lang.Double]
 long array: check widen for s
@@ -29,8 +29,8 @@ number array: check widen for false [class java.lang.Boolean]
 number array: check widen for true [class java.lang.Boolean]
 number array: check widen for 34 [class java.lang.Byte]
 number array: check widen for 344454 [class java.lang.Integer]
-number array: check widen for 454545 [class java.lang.Long]
-number array: check widen for 2147483648 [class java.lang.Long]
+number array: check widen for 454545
+number array: check widen for 2147483648
 number array: check widen for 34.29999923706055 [class java.lang.Float]
 number array: check widen for 3.141592653589793 [class java.lang.Double]
 number array: check widen for s
@@ -41,8 +41,8 @@ object array: check widen for false [class java.lang.Boolean]
 object array: check widen for true [class java.lang.Boolean]
 object array: check widen for 34 [class java.lang.Byte]
 object array: check widen for 344454 [class java.lang.Integer]
-object array: check widen for 454545 [class java.lang.Long]
-object array: check widen for 2147483648 [class java.lang.Long]
+object array: check widen for 454545
+object array: check widen for 2147483648
 object array: check widen for 34.29999923706055 [class java.lang.Float]
 object array: check widen for 3.141592653589793 [class java.lang.Double]
 object array: check widen for s

test/script/basic/JDK-8143896.js

+/*
+ * Copyright (c) 2016, 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-8143896: java.lang.Long is implicitly converted to double
+ *
+ * @test
+ * @run
+ */
+
+Assert.assertTrue(java.lang.Long.valueOf("301077366599181567").toString() === "301077366599181567");
+Assert.assertTrue(java.lang.Long.valueOf("-301077366599181567").toString() === "-301077366599181567");
+Assert.assertTrue(java.lang.Long.valueOf("301077366599181567") == 301077366599181567);
+Assert.assertFalse(java.lang.Long.valueOf("301077366599181567") === 301077366599181567);
+
+Assert.assertTrue(new java.math.BigInteger("301077366599181567").toString() === "301077366599181567");
+Assert.assertTrue(new java.math.BigInteger("-301077366599181567").toString() === "-301077366599181567");
+Assert.assertTrue(new java.math.BigInteger("301077366599181567") == 301077366599181567);
+Assert.assertFalse(new java.math.BigInteger("301077366599181567") === 301077366599181567);
+
+
+var n = new java.lang.Byte("123");
+Assert.assertTrue(typeof n === "number");
+Assert.assertTrue(n + 1 === 124);
+Assert.assertTrue(n == 123);
+Assert.assertTrue(n === 123);
+
+n = new java.lang.Short("123");
+Assert.assertTrue(typeof n === "number");
+Assert.assertTrue(n + 1 === 124);
+Assert.assertTrue(n == 123);
+Assert.assertTrue(n === 123);
+
+n = new java.lang.Integer("123");
+Assert.assertTrue(typeof n === "number");
+Assert.assertTrue(n + 1 === 124);
+Assert.assertTrue(n == 123);
+Assert.assertTrue(n === 123);
+
+n = new java.lang.Float("123");
+Assert.assertTrue(typeof n === "number");
+Assert.assertTrue(n + 1 === 124);
+Assert.assertTrue(n == 123);
+Assert.assertTrue(n === 123);
+
+n = new java.lang.Double("123");
+Assert.assertTrue(typeof n === "number");
+Assert.assertTrue(n + 1 === 124);
+Assert.assertTrue(n == 123);
+Assert.assertTrue(n === 123);
+
+n = new java.lang.Long("123");
+Assert.assertTrue(typeof n === "object");
+Assert.assertTrue(n + 1 === 124);
+Assert.assertTrue(n == 123);
+Assert.assertFalse(n === 123);
+
+n = new java.util.concurrent.atomic.DoubleAdder();
+n.add("123");
+Assert.assertTrue(typeof n === "object");
+Assert.assertTrue(n + 1 === 124);
+Assert.assertTrue(n == 123);
+Assert.assertFalse(n === 123);
+
+n = new java.util.concurrent.atomic.AtomicInteger(123);
+Assert.assertTrue(typeof n === "object");
+Assert.assertTrue(n + 1 === 124);
+Assert.assertTrue(n == 123);
+Assert.assertFalse(n === 123);
+
+n = new java.util.concurrent.atomic.AtomicLong(123);
+Assert.assertTrue(typeof n === "object");
+Assert.assertTrue(n + 1 === 124);
+Assert.assertTrue(n == 123);
+Assert.assertFalse(n === 123);
+
+n = new java.math.BigInteger("123");
+Assert.assertTrue(typeof n === "object");
+Assert.assertTrue(n + 1 === 124);
+Assert.assertTrue(n == 123);
+Assert.assertFalse(n === 123);
+
+n = new java.math.BigDecimal("123");
+Assert.assertTrue(typeof n === "object");
+Assert.assertTrue(n + 1 === 124);
+Assert.assertTrue(n == 123);
+Assert.assertFalse(n === 123);