1 files changed, 42 insertions, 0 deletions
diff --git a/jstests/noPassthroughWithMongod/memory.js b/jstests/noPassthroughWithMongod/memory.js
new file mode 100644
index 00000000000..48265e77b31
--- /dev/null
+++ b/jstests/noPassthroughWithMongod/memory.js
@@ -0,0 +1,42 @@
+var col = db.memoryTest;
+
+// test creating many collections to make sure no internal cache goes OOM
+for (var i = 0; i < 10000; ++i) {
+    name = "memoryTest" + i;
+    if ((i % 1000) == 0) print("Processing " + name);
+    db.eval(function(col) { for (var i = 0; i < 100; ++i) {db[col + "_" + i].find();} }, name);
+}
+
+// test recovery of JS engine after out of memory
+db.system.js.save( { "_id" : "f1", "value" : function(n) {
+    a = [];
+    b = [];
+    c = [];
+    for (i = 0; i < n; i++) {
+        a.push(Math.random());
+        b.push(Math.random());
+        c.push(Math.random());
+    }
+} })
+
+// do mix of calls to make sure OOM is handled with no permanent damage
+db.eval("f1(10)");
+assert.throws(function() { db.eval("f1(100000000)"); } );
+db.eval("f1(10)");
+assert.throws(function() { db.eval("f1(1000000000)"); } );
+db.eval("f1(1000000)");
+db.eval("f1(1000000)");
+db.eval("f1(1000000)");
+assert.throws(function() { db.eval("f1(100000000)"); } );
+db.eval("f1(10)");
+db.eval("f1(1000000)");
+db.eval("f1(1000000)");
+db.eval("f1(1000000)");
+
+// also test $where
+col.drop();
+col.insert({a: 1});
+col.findOne({$where: "var arr = []; for (var i = 0; i < 1000000; ++i) {arr.push(0);}"});
+assert.throws(function() { col.findOne({$where: "var arr = []; for (var i = 0; i < 1000000000; ++i) {arr.push(0);}"}); });
+col.findOne({$where: "var arr = []; for (var i = 0; i < 1000000; ++i) {arr.push(0);}"});
+