Last minor tweaks

Author: cowtowncoder

jr-objects/src/main/java/com/fasterxml/jackson/jr/ob/impl/SimpleValueReader.java

@@ -152,9 +152,15 @@ public Object read(JSONReader reader, JsonParser p) throws IOException
             return p.getValueAsLong();
 
         case SER_NUMBER_BIG_DECIMAL:
+            if (p.hasToken(JsonToken.VALUE_NULL)) {
+                return null;
+            }
             return p.getDecimalValue();
 
         case SER_NUMBER_BIG_INTEGER:
+            if (p.hasToken(JsonToken.VALUE_NULL)) {
+                return null;
+            }
             return p.getBigIntegerValue();
 
         // Other scalar types:

jr-objects/src/test/java/com/fasterxml/jackson/jr/ob/ReadSimpleTest.java

@@ -208,9 +208,6 @@ public void testMiscScalarFail() throws Exception {
     /**********************************************************************
      */
 
-    // 07-Jul-2020, tatu: Should be able to check but as of 2.11 same reader used
-    //    for wrapper and primitives.
-    /*
     public void testNullForMiscNumbers() throws Exception {
         assertNull(JSON.std.beanFrom(Integer.class," null "));
         assertNull(JSON.std.beanFrom(Long.class," null "));
@@ -219,7 +216,6 @@ public void testNullForMiscNumbers() throws Exception {
         assertNull(JSON.std.beanFrom(BigInteger.class," null "));
         assertNull(JSON.std.beanFrom(BigDecimal.class," null "));
     }
-    */
 
     public void testNullForMiscScalars() throws Exception {
         assertNull(JSON.std.beanFrom(Date.class," null "));