Don't create new primitive wrapper instances for predefined values

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/jxpath/trunk@1716255 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/src/test/java/org/apache/commons/jxpath/ri/compiler/CoreFunctionTest.java b/src/test/java/org/apache/commons/jxpath/ri/compiler/CoreFunctionTest.java
index ba7f704..d8576a9 100644
--- a/src/test/java/org/apache/commons/jxpath/ri/compiler/CoreFunctionTest.java
+++ b/src/test/java/org/apache/commons/jxpath/ri/compiler/CoreFunctionTest.java
@@ -44,9 +44,9 @@
         if (context == null) {
             context = JXPathContext.newContext(new TestMixedModelBean());
             Variables vars = context.getVariables();
-            vars.declareVariable("nan", new Double(Double.NaN));
-            vars.declareVariable("bool_true", new Boolean("true"));
-            vars.declareVariable("bool_false", new Boolean("false"));
+            vars.declareVariable("nan", Double.NaN);
+            vars.declareVariable("bool_true", Boolean.TRUE);
+            vars.declareVariable("bool_false", Boolean.FALSE);
         }
     }