SERVER-24963 Fix invalidation of cursors on system.indexes

2 files changed, 23 insertions, 1 deletions

diff --git a/jstests/core/list_indexes_invalidation.js b/jstests/core/list_indexes_invalidation.js
new file mode 100644
index 00000000000..0557cb0e17b
--- /dev/null
+++ b/jstests/core/list_indexes_invalidation.js
@@ -0,0 +1,22 @@
+// SERVER-24963 Missing invalidation for system.indexes write
+(function() {
+    'use strict';
+    let collName = 'system_indexes_invalidations';
+    let coll = db[collName];
+    coll.drop();
+    assert.commandWorked(coll.createIndexes([{a: 1}, {b: 1}, {c: 1}]));
+
+    // Get the first two indexes. Use find on 'system.indexes' on MMAPv1, listIndexes otherwise.
+    let cmd = db.system.indexes.count() ? {find: 'system.indexes'} : {listIndexes: collName};
+    Object.extend(cmd, {batchSize: 2});
+    let res = db.runCommand(cmd);
+    assert.commandWorked(res, 'could not run ' + tojson(cmd));
+    printjson(res);
+
+    // Ensure the cursor has data, drop the collection, and exhaust the cursor.
+    let cursor = new DBCommandCursor(db.getMongo(), res);
+    let errMsg = 'expected more data from command ' + tojson(cmd) + ', with result ' + tojson(res);
+    assert(cursor.hasNext(), errMsg);
+    assert(coll.drop());
+    assert.gt(cursor.itcount(), 0, errMsg);
+}());
diff --git a/jstests/readonly/lib/read_only_test.js b/jstests/readonly/lib/read_only_test.js
index 99d0a1ced92..5b2775e697a 100644
--- a/jstests/readonly/lib/read_only_test.js
+++ b/jstests/readonly/lib/read_only_test.js
@@ -1,7 +1,7 @@
 var StandaloneFixture, ShardedFixture, runReadOnlyTest, zip2, cycleN;
 
 (function() {
-    "use_strict";
+    "use strict";
 
     function makeDirectoryReadOnly(dir) {
         if (_isWindows()) {