diff -r 25eba32a96cd -r cc3871bdd83c emul/compact/src/test/java/org/apidesign/bck2brwsr/compact/tck/JFXIssuesTest.java
--- a/emul/compact/src/test/java/org/apidesign/bck2brwsr/compact/tck/JFXIssuesTest.java	Thu Feb 14 13:17:19 2013 +0100
+++ b/emul/compact/src/test/java/org/apidesign/bck2brwsr/compact/tck/JFXIssuesTest.java	Tue Feb 19 15:33:32 2013 +0100
@@ -39,7 +39,15 @@
     @Compare public boolean isClassAssignable() {
         return Application.class.isAssignableFrom(MyApplication.class);
     }
-    
+
+    @Compare public boolean isNaN() {
+        return Double.isNaN(Double.NaN);
+    }
+
+    @Compare public boolean isInfinite() {
+        return Float.isInfinite(Float.NEGATIVE_INFINITY);
+    }
+
     @Factory public static Object[] create() {
         return VMTest.create(JFXIssuesTest.class);
     }