1 files changed, 11 insertions, 0 deletions
diff --git a/jstests/disk/preallocate2.js b/jstests/disk/preallocate2.js
new file mode 100644
index 00000000000..ee9382cfe8d
--- /dev/null
+++ b/jstests/disk/preallocate2.js
@@ -0,0 +1,11 @@
+// check that there is preallocation on insert
+
+port = allocatePorts( 1 )[ 0 ];
+
+var baseName = "jstests_preallocate2";
+
+var m = startMongod( "--port", port, "--dbpath", "/data/db/" + baseName );
+
+m.getDB( baseName )[ baseName ].save( {i:1} );
+
+assert.soon( function() { return m.getDBs().totalSize > 100000000; }, "expected second file to bring total size over 100MB" );
+\ No newline at end of file