From d1e1e69abe721d283c25f491821b2af6308af1b8 Mon Sep 17 00:00:00 2001
From: Cory Lynch <cjl2625@gmail.com>
Date: Wed, 7 Jun 2017 00:30:18 -0400
Subject: [PATCH] message_list: Add tests for message_range.

---
 frontend_tests/node_tests/message_list.js | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/frontend_tests/node_tests/message_list.js b/frontend_tests/node_tests/message_list.js
index b5dbc52e03..6b59c44817 100644
--- a/frontend_tests/node_tests/message_list.js
+++ b/frontend_tests/node_tests/message_list.js
@@ -117,6 +117,20 @@ var MessageList = require('js/message_list').MessageList;
     assert.deepEqual(list.all_messages(), []);
 }());
 
+(function test_message_range() {
+    var table;
+    var filter = {};
+    var list = new MessageList(table, filter);
+
+    var messages = [{id: 30}, {id: 40}, {id: 50}, {id: 60}];
+    list.append(messages, true);
+    assert.deepEqual(list.message_range(2, 30), [{id: 30}]);
+    assert.deepEqual(list.message_range(2, 31), [{id: 30}, {id: 40}]);
+    assert.deepEqual(list.message_range(30, 40), [{id: 30}, {id: 40}]);
+    assert.deepEqual(list.message_range(31, 39), [{id: 40}]);
+    assert.deepEqual(list.message_range(31, 1000), [{id: 40}, {id: 50}, {id: 60}]);
+}());
+
 (function test_nth_most_recent_id() {
     var table;
     var filter = {};