1 files changed, 65 insertions, 0 deletions
diff --git a/jstests/core/query/sort/sort1.js b/jstests/core/query/sort/sort1.js
new file mode 100644
index 00000000000..ec713e189e5
--- /dev/null
+++ b/jstests/core/query/sort/sort1.js
@@ -0,0 +1,65 @@
+(function() {
+'use strict';
+
+var coll = db.sort1;
+coll.drop();
+
+coll.save({x: 3, z: 33});
+coll.save({x: 5, z: 33});
+coll.save({x: 2, z: 33});
+coll.save({x: 3, z: 33});
+coll.save({x: 1, z: 33});
+
+for (var pass = 0; pass < 2; pass++) {
+    assert(coll.find().sort({x: 1})[0].x == 1);
+    assert(coll.find().sort({x: 1}).skip(1)[0].x == 2);
+    assert(coll.find().sort({x: -1})[0].x == 5);
+    assert(coll.find().sort({x: -1})[1].x == 3);
+    assert.eq(coll.find().sort({x: -1}).skip(0)[0].x, 5);
+    assert.eq(coll.find().sort({x: -1}).skip(1)[0].x, 3);
+    coll.createIndex({x: 1});
+}
+
+assert(coll.validate().valid);
+
+coll.drop();
+coll.save({x: 'a'});
+coll.save({x: 'aba'});
+coll.save({x: 'zed'});
+coll.save({x: 'foo'});
+
+for (var pass = 0; pass < 2; pass++) {
+    assert.eq("a", coll.find().sort({'x': 1}).limit(1).next().x, "c.1");
+    assert.eq("a", coll.find().sort({'x': 1}).next().x, "c.2");
+    assert.eq("zed", coll.find().sort({'x': -1}).limit(1).next().x, "c.3");
+    assert.eq("zed", coll.find().sort({'x': -1}).next().x, "c.4");
+    coll.createIndex({x: 1});
+}
+
+assert(coll.validate().valid);
+
+// Ensure that sorts with a collation and no index return the correct ordering. Here we use the
+// 'numericOrdering' option which orders number-like strings by their numerical values.
+coll.drop();
+assert.commandWorked(coll.insert({_id: 0, str: '1000'}));
+assert.commandWorked(coll.insert({_id: 1, str: '5'}));
+assert.commandWorked(coll.insert({_id: 2, str: '200'}));
+
+var cursor = coll.find().sort({str: -1}).collation({locale: 'en_US', numericOrdering: true});
+assert.eq(cursor.next(), {_id: 0, str: '1000'});
+assert.eq(cursor.next(), {_id: 2, str: '200'});
+assert.eq(cursor.next(), {_id: 1, str: '5'});
+assert(!cursor.hasNext());
+
+// Ensure that sorting of arrays correctly respects a collation with numeric ordering.
+coll.drop();
+assert.commandWorked(coll.insert({_id: 0, strs: ['1000', '500']}));
+assert.commandWorked(coll.insert({_id: 1, strs: ['2000', '60']}));
+cursor = coll.find({strs: {$lt: '1000'}}).sort({strs: 1}).collation({
+    locale: 'en_US',
+    numericOrdering: true
+});
+assert.eq(cursor.next(), {_id: 1, strs: ['2000', '60']});
+assert.eq(cursor.next(), {_id: 0, strs: ['1000', '500']});
+assert(!cursor.hasNext());
+})();