Merge pull request #10788 from grails/GRAILS-10767

Grails 10767

Author: jameskleeh

grails-bootstrap/src/main/groovy/grails/util/GrailsNameUtils.java

@@ -247,6 +247,10 @@ public static String getPropertyNameRepresentation(String name) {
             name = name.substring(pos + 1);
         }
 
+        if (name.isEmpty()) {
+            return name;
+        }
+
         // Check whether the name begins with two upper case letters.
         if (name.length() > 1 && Character.isUpperCase(name.charAt(0)) &&
                 Character.isUpperCase(name.charAt(1))) {

grails-bootstrap/src/test/groovy/grails/util/GrailsNameUtilsTests.java

@@ -42,6 +42,14 @@ public void testGetClassNameRepresentation() {
         assertEquals("AlphaBakerCharlie", GrailsNameUtils.getClassNameRepresentation(".alpha.baker.charlie"));
     }
 
+    public void testGetPropertyNameRepresentation() {
+        assertEquals("bar", GrailsNameUtils.getPropertyNameRepresentation("bar"));
+        assertEquals("f", GrailsNameUtils.getPropertyNameRepresentation(".f"));
+        assertEquals("b", GrailsNameUtils.getPropertyNameRepresentation(".a.b"));
+        assertEquals("charlie", GrailsNameUtils.getPropertyNameRepresentation(".alpha.baker.charlie"));
+        assertEquals("", GrailsNameUtils.getPropertyNameRepresentation(".a.b."));
+    }
+
     public void testGetNaturalName() {
         assertEquals("First Name", GrailsNameUtils.getNaturalName("firstName"));
         assertEquals("URL", GrailsNameUtils.getNaturalName("URL"));