SERVER-4940 test

jstests/repl/repl16.js

@@ -0,0 +1,45 @@
+// Test deduping of new documents with, and without, _ids.
+// SERVER-4940
+
+if ( 0 ) {
+
+function doTest( insert ) {
+        
+    rt = new ReplTest( "repl16tests" );
+    master = rt.start( true );
+    master.getDB( 'd' ).createCollection( 'c', { capped:true, size:5*1024 } );
+    mc = master.getDB( 'd' )[ 'c' ];
+
+    insert( {a:1} );
+    insert( {a:2} );
+
+    slave = rt.start( false );
+    sc = slave.getDB( 'd' )[ 'c' ];
+
+    // Wait for the slave to copy the documents.
+    assert.soon( function() { return sc.count() == 2; } );
+    
+    insert( {a:1} );
+    insert( {a:2} );
+    insert( {a:3} );
+    assert.eq( 5, mc.count() );
+    
+    // Wait for the slave to apply the operations.
+    assert.soon( function() { return sc.count() == 5; } );
+
+    rt.stop();
+
+}
+
+function insertWithIds( obj ) {
+    mc.insert( obj );
+}
+
+function insertWithoutIds( obj ) {
+    mc._mongo.insert( mc._fullName, obj );
+}
+
+doTest( insertWithIds );
+doTest( insertWithoutIds );
+
+}