Unit test for scala#46

Author: ashawley

src/test/scala/scala/xml/XMLTest.scala

@@ -836,4 +836,16 @@ expected closing tag of foo
     assertEquals("""<x:foo xmlns:x="gaga"/>""", pp.format(x))
   }
 
+  @UnitTest
+  def issue46: Unit = {
+    // val x = <node/>
+    val x = <node></node>
+    // val x = Elem(null, "node", e, sc)
+    val pp = new xml.PrettyPrinter(80, 2)
+    // This assertion passed
+    assertEquals("<node></node>", x.toString)
+    // This was the bug, producing <node></node>
+    assertEquals("<node/>", pp.format(x.copy(minimizeEmpty = true)))
+  }
+
 }