[highlighting] Another test for boundary chars

core/src/test/java/org/elasticsearch/search/highlight/HighlighterSearchIT.java

@@ -851,6 +851,15 @@ public class HighlighterSearchIT extends ESIntegTestCase {
 
         assertHighlight(searchResponse, 0, "field2", 0, 1, equalTo("The <em>quick</em> brown fox jumps over"));
 
+        logger.info("--> searching with boundary characters on the field");
+        source = searchSource()
+                .query(matchQuery("field2", "quick"))
+                .highlighter(highlight().field(new Field("field2").fragmentSize(30).numOfFragments(1).boundaryChars(new char[] {' '})));
+
+        searchResponse = client().prepareSearch("test").setSource(source).get();
+
+        assertHighlight(searchResponse, 0, "field2", 0, 1, equalTo("The <em>quick</em> brown fox jumps over"));
+
     }
 
     /**