Add property test for XMLLoader.load(_: InputSource)

Author: ashawley

Diff for: src/test/scala/scala/xml/factory/XMLLoaderSpec.scala

@@ -118,6 +118,9 @@ object XMLLoaderSpec extends PropertiesFor("factory.XMLLoader")
     builder.toString
   }
 
+  implicit def prettyInputSource(is: InputSource) = 
+    prettyInputStream(is.getByteStream)
+
   // FIXME: xerces.internal.impl.io.MalformedByteSequenceException:
   // Invalid byte 1 of 1-byte UTF-8 sequence.
   // property("load(_: java.io.InputStream)") = {
@@ -127,6 +130,15 @@ object XMLLoaderSpec extends PropertiesFor("factory.XMLLoader")
   //   }
   // }
 
+  // FIXME: xerces.internal.impl.io.MalformedByteSequenceException:
+  // Invalid byte 1 of 1-byte UTF-8 sequence.
+  // property("load(_: InputSource)") = {
+  //   Prop.forAll { is: InputSource =>
+  //     loader.load(is)
+  //     Prop.passed
+  //   }
+  // }
+
   property("loadString(_: String)") = {
     // Use forAllNoShrink since Scalacheck's shrinking strategy for a
     // string, removing characters byte-by-byte, won't improve the