JAVA-686: MongoOptions now sets correct WriteConcern when j=true

Author: jyemin

src/main/com/mongodb/MongoOptions.java

@@ -106,8 +106,8 @@ public MongoOptions copy() {
     public WriteConcern getWriteConcern() {
         if (writeConcern != null) {
             return writeConcern;
-        } else if ( w != 0 || wtimeout != 0 || fsync ) {
-            return new WriteConcern( w , wtimeout , fsync );
+        } else if ( w != 0 || wtimeout != 0 || fsync | j) {
+            return new WriteConcern( w , wtimeout , fsync, j );
         } else if (safe) {
             return WriteConcern.SAFE;
         } else {

src/test/com/mongodb/MongoOptionsTest.java

@@ -141,6 +141,10 @@ public void testGetWriteConcern() {
         options.reset();
         options.fsync = true;
         assertEquals(new WriteConcern(0, 0, true), options.getWriteConcern());
+
+        options.reset();
+        options.j = true;
+        assertEquals(new WriteConcern(0, 0, false, true), options.getWriteConcern());
     }
 }