Fix label ellipsis issue on zoomed iPhone 6 Plus.

Fix Image.imageSource propertyMetadata to affects layout.

apps/tests/ui/image/image-tests.ts

@@ -249,3 +249,8 @@ export var test_SettingStretch_none = function () {
 
     helper.buildUIAndRunTest(image, testFunc);
 }
+
+export var test_src_property_affects_layout = function () {
+    var sourceProperty = ImageModule.Image.imageSourceProperty;
+    TKUnit.assertEqual(sourceProperty.metadata.affectsLayout, true, "sourceProperty should invalidate layout");
+}

apps/tests/ui/label/label-tests.ts

@@ -87,6 +87,24 @@ export var test_Set_Text_Native = function () {
     helper.buildUIAndRunTest(label, test);
 }
 
+export var test_measuredWidth_is_not_clipped = function () {
+    var label = new LabelModule.Label();
+    label.horizontalAlignment = "left";
+    label.text = "i";
+    label.fontSize = 9;
+
+    var test = function (views: Array<view.View>) {
+
+        TKUnit.waitUntilReady(() => { return label.isLayoutValid; });
+
+        var expectedValue = 3;
+        var measuredWidth = label.getMeasuredWidth();
+        TKUnit.assertEqual(measuredWidth, expectedValue, "measuredWidth should not be rounded down.");
+    }
+
+    helper.buildUIAndRunTest(label, test);
+}
+
 export var test_Set_TextWrap_TNS = function () {
     // <snippet module="ui/label" title="Label">
     // ### How to turn on text wrapping for a label

ui/core/view-common.ts

@@ -476,7 +476,7 @@ export class View extends proxy.ProxyObject implements definition.View {
 
             case utils.layout.AT_MOST:
                 if (specSize < size) {
-                    result = Math.round(specSize) | utils.layout.MEASURED_STATE_TOO_SMALL;
+                    result = Math.round(specSize + 0.499) | utils.layout.MEASURED_STATE_TOO_SMALL;
                 }
                 break;
 
@@ -485,7 +485,7 @@ export class View extends proxy.ProxyObject implements definition.View {
                 break;
         }
 
-        return Math.round(result) | (childMeasuredState & utils.layout.MEASURED_STATE_MASK);
+        return Math.round(result + 0.499) | (childMeasuredState & utils.layout.MEASURED_STATE_MASK);
     }
 
     public static layoutChild(parent: View, child: View, left: number, top: number, right: number, bottom: number): void {

ui/image/image-common.ts

@@ -65,7 +65,7 @@ export class Image extends view.View implements definition.Image {
         IMAGE,
         new proxy.PropertyMetadata(
             undefined,
-            dependencyObservable.PropertyMetadataSettings.None
+            dependencyObservable.PropertyMetadataSettings.AffectsLayout
             )
         );
 

ui/image/image.d.ts

@@ -10,8 +10,8 @@ declare module "ui/image" {
      * Represents a class that provides functionality for loading and streching image(s).
      */
     export class Image extends view.View {
-        public static urlProperty: dependencyObservable.Property;
+        public static srcProperty: dependencyObservable.Property;
-        public static sourceProperty: dependencyObservable.Property;
+        public static imageSourceProperty: dependencyObservable.Property;
         public static isLoadingProperty: dependencyObservable.Property;
         public static stretchProperty: dependencyObservable.Property;
 
@@ -53,12 +53,12 @@ declare module "ui/image" {
         /**
          * Gets or sets the image source of the image.
          */
-        source: imageSource.ImageSource;
+        imageSource: imageSource.ImageSource;
 
         /**
          * Gets or sets the URL of the image.
          */
-        url: string;
+        src: string;
 
         /**
          * Gets or sets the image stretch mode. Possible values are contained in the [Stretch enumeration](../enums/Stretch/README.md).