From 0ae89ac096f6e5eaee026b578615c93c3ea2851b Mon Sep 17 00:00:00 2001
From: Victor Berchet <victor@suumit.com>
Date: Tue, 19 May 2015 12:02:40 +0200
Subject: [PATCH] feat(CD): add support for === and !==

relates to #1500
---
 .../src/change_detection/change_detection_util.ts        | 4 +++-
 .../src/change_detection/proto_change_detector.ts        | 8 ++++++++
 .../test/change_detection/change_detector_spec.js        | 9 +++++++++
 3 files changed, 20 insertions(+), 1 deletion(-)

diff --git a/modules/angular2/src/change_detection/change_detection_util.ts b/modules/angular2/src/change_detection/change_detection_util.ts
index 71c6508e28..7e1db5ff25 100644
--- a/modules/angular2/src/change_detection/change_detection_util.ts
+++ b/modules/angular2/src/change_detection/change_detection_util.ts
@@ -67,6 +67,8 @@ export class ChangeDetectionUtil {
   static operation_remainder(left, right) { return left % right; }
   static operation_equals(left, right) { return left == right; }
   static operation_not_equals(left, right) { return left != right; }
+  static operation_identical(left, right) { return left === right; }
+  static operation_not_identical(left, right) { return left !== right; }
   static operation_less_then(left, right) { return left < right; }
   static operation_greater_then(left, right) { return left > right; }
   static operation_less_or_equals_then(left, right) { return left <= right; }
@@ -140,4 +142,4 @@ export class ChangeDetectionUtil {
     changes[propertyName] = change;
     return changes;
   }
-}
\ No newline at end of file
+}
diff --git a/modules/angular2/src/change_detection/proto_change_detector.ts b/modules/angular2/src/change_detection/proto_change_detector.ts
index 689bd9b949..0720784ca6 100644
--- a/modules/angular2/src/change_detection/proto_change_detector.ts
+++ b/modules/angular2/src/change_detection/proto_change_detector.ts
@@ -286,6 +286,10 @@ function _operationToPrimitiveName(operation: string): string {
       return "operation_equals";
     case '!=':
       return "operation_not_equals";
+    case '===':
+      return "operation_identical";
+    case '!==':
+      return "operation_not_identical";
     case '<':
       return "operation_less_then";
     case '>':
@@ -319,6 +323,10 @@ function _operationToFunction(operation: string): Function {
       return ChangeDetectionUtil.operation_equals;
     case '!=':
       return ChangeDetectionUtil.operation_not_equals;
+    case '===':
+      return ChangeDetectionUtil.operation_identical;
+    case '!==':
+      return ChangeDetectionUtil.operation_not_identical;
     case '<':
       return ChangeDetectionUtil.operation_less_then;
     case '>':
diff --git a/modules/angular2/test/change_detection/change_detector_spec.js b/modules/angular2/test/change_detection/change_detector_spec.js
index 7a30b82832..cddf1d435d 100644
--- a/modules/angular2/test/change_detection/change_detector_spec.js
+++ b/modules/angular2/test/change_detection/change_detector_spec.js
@@ -168,8 +168,17 @@ export function main() {
             expect(executeWatch('exp', '11 % 2')).toEqual(['exp=1']);
 
             expect(executeWatch('exp', '1 == 1')).toEqual(['exp=true']);
+            if (IS_DARTIUM) {
+              expect(executeWatch('exp', '1 == "1"')).toEqual(['exp=false']);
+            } else {
+              expect(executeWatch('exp', '1 == "1"')).toEqual(['exp=true']);
+            }
             expect(executeWatch('exp', '1 != 1')).toEqual(['exp=false']);
 
+            expect(executeWatch('exp', '1 === 1')).toEqual(['exp=true']);
+            expect(executeWatch('exp', '1 !== 1')).toEqual(['exp=false']);
+            expect(executeWatch('exp', '1 === "1"')).toEqual(['exp=false']);
+
             expect(executeWatch('exp', '1 < 2')).toEqual(['exp=true']);
             expect(executeWatch('exp', '2 < 1')).toEqual(['exp=false']);