add convertToCapped command

1 files changed, 16 insertions, 1 deletions

diff --git a/jstests/capped3.js b/jstests/capped3.js
index 7dc48559af2..4bb6dcc4ea5 100644
--- a/jstests/capped3.js
+++ b/jstests/capped3.js
@@ -24,4 +24,19 @@ i = 999;
 while( c.hasNext() ) {
     assert.eq( i--, c.next().i );
 }
-assert( i < 990 );
\ No newline at end of file
+assert( i < 990 );
+
+t.drop();
+t2.drop();
+
+for( i = 0; i < 1000; ++i ) {
+    t.save( {i:i} );
+}
+assert.commandWorked( db.runCommand( { convertToCapped:"jstests_capped3", size:1000 } ) );
+c = t.find().sort( {$natural:-1} );
+i = 999;
+while( c.hasNext() ) {
+    assert.eq( i--, c.next().i );
+}
+assert( i < 990 );
+assert( i > 900 );
\ No newline at end of file