1 files changed, 21 insertions, 0 deletions
diff --git a/jstests/core/query/number/numberlong4.js b/jstests/core/query/number/numberlong4.js
new file mode 100644
index 00000000000..d7d73898b34
--- /dev/null
+++ b/jstests/core/query/number/numberlong4.js
@@ -0,0 +1,21 @@
+// Test handling of comparison between long longs and their double approximations in btrees -
+// SERVER-3719.
+
+t = db.jstests_numberlong4;
+t.drop();
+
+if (0) {  // SERVER-3719
+
+    t.createIndex({x: 1});
+
+    Random.setRandomSeed();
+
+    s = "11235399833116571";
+    for (i = 0; i < 10000; ++i) {
+        n = NumberLong(s + Random.randInt(10));
+        t.insert({x: (Random.randInt(2) ? n : n.floatApprox)});
+    }
+
+    // If this does not return, there is a problem with index structure.
+    t.find().hint({x: 1}).itcount();
+}