SERVER-38800 add collection count to o2 field of collection drop and rename oplog entries

This applies only to the case where the target collection is dropped during the rename
operation.

1 files changed, 8 insertions, 3 deletions

diff --git a/jstests/noPassthrough/rollback_wt_drop.js b/jstests/noPassthrough/rollback_wt_drop.js
index e98708de58b..1d05e94b3f3 100644
--- a/jstests/noPassthrough/rollback_wt_drop.js
+++ b/jstests/noPassthrough/rollback_wt_drop.js
@@ -109,7 +109,10 @@
         const ops = replTest.dumpOplog(rollbackNode, {ns: 'test.$cmd', 'o.drop': 't'});
         assert.eq(1, ops.length);
         const op = ops[0];
-        assert(!op.hasOwnProperty('o2'), 'unexpected o2 field in drop oplog entry: ' + tojson(op));
+        assert(op.hasOwnProperty('o2'), 'expected o2 field in drop oplog entry: ' + tojson(op));
+        assert(op.o2.hasOwnProperty('numRecords'),
+               'expected count in drop oplog entry: ' + tojson(op));
+        assert.eq(2, op.o2.numRecords, 'incorrect count in drop oplog entry: ' + tojson(op));
     }
 
     // Check collection rename oplog entry.
@@ -119,8 +122,10 @@
             rollbackNode, {ns: 'test.$cmd', 'o.renameCollection': 'test.z', 'o.to': 'test.x'});
         assert.eq(1, ops.length);
         const op = ops[0];
-        assert(!op.hasOwnProperty('o2'),
-               'unexpected o2 field in rename oplog entry: ' + tojson(op));
+        assert(op.hasOwnProperty('o2'), 'expected o2 field in rename oplog entry: ' + tojson(op));
+        assert(op.o2.hasOwnProperty('numRecords'),
+               'expected count in rename oplog entry: ' + tojson(op));
+        assert.eq(4, op.o2.numRecords, 'incorrect count in rename oplog entry: ' + tojson(op));
     }
 
     // Wait for rollback to finish.