make objectid serialize to something parseable

2 files changed, 4 insertions, 1 deletions

diff --git a/jstests/objid1.js b/jstests/objid1.js
index f0b62ef5d0c..dea31eed0d8 100644
--- a/jstests/objid1.js
+++ b/jstests/objid1.js
@@ -11,3 +11,6 @@ t.save( { a : a } )
 assert( t.findOne().a.isObjectId , "C" );
 assert.eq( a.str , t.findOne().a.str , "D" );
 
+x = { a : new ObjectId() };
+eval( " y = " + tojson( x ) );
+assert.eq( x.a.str , y.a.str , "E" );
diff --git a/shell/utils.js b/shell/utils.js
index 204ddec5919..ef2889fc867 100644
--- a/shell/utils.js
+++ b/shell/utils.js
@@ -188,7 +188,7 @@ ObjectId.prototype.toString = function(){
 }
 
 ObjectId.prototype.tojson = function(){
-    return "\"" + this.str + "\"";
+    return " ObjectId( \"" + this.str + "\") ";
 }
 
 ObjectId.prototype.isObjectId = true;