From 63f3bafed685b5d0f723e75559da07bd530aece9 Mon Sep 17 00:00:00 2001
From: Paul van Brenk <paul.van.brenk@microsoft.com>
Date: Thu, 30 Apr 2015 15:41:14 -0700
Subject: [PATCH] Fixes Aggressive completion makes it difficult to type
 function types. #2494  + test case

---
 src/services/services.ts                             |  4 +++-
 ...completionListNewIdentifierFunctionDeclaration.ts | 12 ++++++++++++
 2 files changed, 15 insertions(+), 1 deletion(-)
 create mode 100644 tests/cases/fourslash/completionListNewIdentifierFunctionDeclaration.ts

diff --git a/src/services/services.ts b/src/services/services.ts
index 06da4859274..7af601c7e30 100644
--- a/src/services/services.ts
+++ b/src/services/services.ts
@@ -2986,7 +2986,9 @@ module ts {
                             return containingNodeKind === SyntaxKind.CallExpression               // func( |
                                 || containingNodeKind === SyntaxKind.Constructor                  // constructor( |
                                 || containingNodeKind === SyntaxKind.NewExpression                // new C(a|
-                                || containingNodeKind === SyntaxKind.ParenthesizedExpression;     // let x = (a|
+                                || containingNodeKind === SyntaxKind.ParenthesizedExpression      // let x = (a|
+                                || containingNodeKind === SyntaxKind.ParenthesizedType            // function F(pred: (a|
+                                || containingNodeKind === SyntaxKind.Parameter;                   // function F(pred: a|
 
                         case SyntaxKind.OpenBracketToken:
                             return containingNodeKind === SyntaxKind.ArrayLiteralExpression;                 // [ |
diff --git a/tests/cases/fourslash/completionListNewIdentifierFunctionDeclaration.ts b/tests/cases/fourslash/completionListNewIdentifierFunctionDeclaration.ts
new file mode 100644
index 00000000000..3180f8fd820
--- /dev/null
+++ b/tests/cases/fourslash/completionListNewIdentifierFunctionDeclaration.ts
@@ -0,0 +1,12 @@
+/// <reference path='fourslash.ts' />
+
+////function F(pref: (a/*1*/
+////
+////function F(pref: a/*2*/
+////
+
+test.markers().forEach((m) => {
+    goTo.position(m.position, m.fileName);
+    verify.not.completionListIsEmpty();
+    verify.completionListAllowsNewIdentifier();
+});