From f1bdd8b3df95459dca6824cea3b8cfd65d2eb9d4 Mon Sep 17 00:00:00 2001
From: basarat <basaratali@gmail.com>
Date: Mon, 26 Aug 2013 22:12:06 +1000
Subject: [PATCH] added tests for angular promise chain

---
 angularjs/angular-tests.ts | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/angularjs/angular-tests.ts b/angularjs/angular-tests.ts
index b171da9c14..24d38aa63e 100644
--- a/angularjs/angular-tests.ts
+++ b/angularjs/angular-tests.ts
@@ -181,3 +181,26 @@ mod.constant(My.Namespace);
 mod.value('name', 23);
 mod.value('name', "23");
 mod.value(My.Namespace);
+
+// Promise signature tests
+var foo: ng.IPromise<number>;
+foo.then((x) => {
+    // x is infered to be a number. Expected
+    return "asdf";
+}).then((x) => {
+    // x is inferred to be string. Awesome
+    x.length;
+    return 123;
+}).then((x) => {
+    // x is infered to be a number. Awesomer
+    x.toFixed();
+    return;
+}).then((x) => {
+    // x is infered to be void. Sounds good. 
+    // Of course you cannot use x here (typescript will prevent you)
+    // Try object:
+    return { a: 123 };
+}).then((x) => {
+    // Still works
+    x.a = 123;
+});