1 files changed, 48 insertions, 0 deletions
diff --git a/jstests/core/sort10.js b/jstests/core/sort10.js
new file mode 100644
index 00000000000..e9663f4a55d
--- /dev/null
+++ b/jstests/core/sort10.js
@@ -0,0 +1,48 @@
+// signed dates check
+t = db.sort10;
+
+function checkSorting1(opts) {
+    t.drop();
+    t.insert({ x: new Date(50000) });
+    t.insert({ x: new Date(-50) });
+    var d = new Date(-50);
+    for (var pass = 0; pass < 2; pass++) {
+        assert(t.find().sort({x:1})[0].x.valueOf() == d.valueOf());
+        t.ensureIndex({ x: 1 }, opts);
+        t.insert({ x: new Date() });
+    }
+}
+
+checkSorting1({})
+checkSorting1({"background":true})
+
+
+
+function checkSorting2(dates, sortOrder) {
+    cur = t.find().sort({x:sortOrder});
+    assert.eq(dates.length, cur.count(), "Incorrect number of results returned");
+    index = 0;
+    while (cur.hasNext()) {
+        date = cur.next().x;
+        assert.eq(dates[index].valueOf(), date.valueOf());
+        index++;
+    }
+}
+
+t.drop();
+dates = [new Date(-5000000000000), new Date(5000000000000), new Date(0), new Date(5), new Date(-5)];
+for (var i = 0; i < dates.length; i++) {
+    t.insert({x:dates[i]});
+}
+dates.sort(function(a,b){return a - b});
+reverseDates = dates.slice(0).reverse()
+
+checkSorting2(dates, 1)
+checkSorting2(reverseDates, -1)
+t.ensureIndex({x:1})
+checkSorting2(dates, 1)
+checkSorting2(reverseDates, -1)
+t.dropIndexes()
+t.ensureIndex({x:-1})
+checkSorting2(dates, 1)
+checkSorting2(reverseDates, -1)