Fix tests to pass on devices with floating density

Floor measure sizes

apps/tests/layouts/absolute-layout-tests.ts

@@ -56,10 +56,10 @@ export var testAll = function () {
         var actualValue = viewModule.getViewById(absoluteLayout, "LT")._getCurrentLayoutBounds();
         var width = actualValue.right - actualValue.left;
         var height = actualValue.bottom - actualValue.top;
-        TKUnit.assertEqual(actualValue.left, 10 * density, "ActualLeft");
+        TKUnit.assertEqual(actualValue.left, layoutHelper.dip(10), "ActualLeft");
-        TKUnit.assertEqual(actualValue.top, 10 * density, "ActualTop");
+        TKUnit.assertEqual(actualValue.top, layoutHelper.dip(10), "ActualTop");
-        TKUnit.assertEqual(width, 100 * density, "ActualWidth");
+        TKUnit.assertEqual(width, layoutHelper.dip(100), "ActualWidth");
-        TKUnit.assertEqual(height, 100 * density, "Actualheight");
+        TKUnit.assertEqual(height, layoutHelper.dip(100), "Actualheight");
     });
 }
 

apps/tests/layouts/grid-layout-tests.ts

@@ -9,6 +9,7 @@ import utils = require("utils/utils");
 import builder = require("ui/builder");
 
 var ASYNC = 2;
+var DELTA = 0.1;
 
 export class MyGridLayout extends layout.GridLayout {
     public measureCount: number = 0;
@@ -328,7 +329,7 @@ export function test_GridLayout_desiredSize_isCorrect() {
         for (var c = 0; c < 4; c++) {
             var btn = <helper.MyButton>rootLayout.getChildAt(i++);
             if (cols[c].isAbsolute) {
-                width += cols[c].actualLength * utils.layout.getDisplayDensity();
+                width += helper.dip(cols[c].actualLength);
             }
             else {
                 width += btn.getMeasuredWidth();
@@ -340,15 +341,18 @@ export function test_GridLayout_desiredSize_isCorrect() {
         maxWidth = Math.max(maxWidth, width);
 
         if (rows[r].isAbsolute) {
-            maxHeight += rows[r].actualLength * utils.layout.getDisplayDensity();
+            maxHeight += helper.dip(rows[r].actualLength);
         }
         else {
             maxHeight += height;
         }
     }
 
-    TKUnit.assertEqual(rootLayout.getMeasuredWidth(), Math.round(maxWidth), "GridLayout incorrect measured width");
+    var density = utils.layout.getDisplayDensity();
-    TKUnit.assertEqual(rootLayout.getMeasuredHeight(), Math.round(maxHeight), "GridLayout incorrect measured height");
+    var delta = Math.floor(density) !== density ? 1.1 : DELTA;
+
+    TKUnit.assertAreClose(rootLayout.getMeasuredWidth(), Math.round(maxWidth), delta, "GridLayout incorrect measured width");
+    TKUnit.assertAreClose(rootLayout.getMeasuredHeight(), Math.round(maxHeight), delta, "GridLayout incorrect measured height");
 }
 
 export function test_GridLayout_columnsActualWidth_isCorrect() {
@@ -379,6 +383,7 @@ export function test_GridLayout_Measure_and_Layout_Children_withCorrect_size() {
     var cols = rootLayout.getColumns();
     var i = 0;
     var density = utils.layout.getDisplayDensity();
+    var delta = Math.floor(density) !== density ? 1.1 : DELTA;
 
     for (var r = 0; r < 4; r++) {
 
@@ -394,27 +399,27 @@ export function test_GridLayout_Measure_and_Layout_Children_withCorrect_size() {
             w = Math.round(w * density);
 
             if (row.isAuto) {
-                TKUnit.assertEqual(btn.layoutHeight, btn.getMeasuredHeight(), "Auto rows should layout with measured height");
+                TKUnit.assertAreClose(btn.layoutHeight, btn.getMeasuredHeight(), delta, "Auto rows should layout with measured height");
             }
             else if (row.isAbsolute) {
-                TKUnit.assertEqual(btn.measureHeight, h, "Absolute rows should measure with specific height");
+                TKUnit.assertAreClose(btn.measureHeight, h, delta, "Absolute rows should measure with specific height");
-                TKUnit.assertEqual(btn.layoutHeight, h, "Absolute rows should layout with specific height");
+                TKUnit.assertAreClose(btn.layoutHeight, h, delta, "Absolute rows should layout with specific height");
             }
             else {
-                TKUnit.assertEqual(btn.measureHeight, h, "Auto rows should measure with specific height");
+                TKUnit.assertAreClose(btn.measureHeight, h, delta, "Auto rows should measure with specific height");
-                TKUnit.assertEqual(btn.layoutHeight, h, "Star rows should layout with exact length");
+                TKUnit.assertAreClose(btn.layoutHeight, h, delta, "Star rows should layout with exact length");
             }
 
             if (col.isAuto) {
-                TKUnit.assertEqual(btn.layoutWidth, btn.getMeasuredWidth(), "Auto columns should layout with measured width");
+                TKUnit.assertAreClose(btn.layoutWidth, btn.getMeasuredWidth(), delta, "Auto columns should layout with measured width");
             }
             else if (col.isAbsolute) {
-                TKUnit.assertEqual(btn.measureWidth, w, "Absolute columns should measure with specific width");
+                TKUnit.assertAreClose(btn.measureWidth, w, delta, "Absolute columns should measure with specific width");
-                TKUnit.assertEqual(btn.layoutWidth, w, "Absolute columns should layout with specific width");
+                TKUnit.assertAreClose(btn.layoutWidth, w, delta, "Absolute columns should layout with specific width");
             }
             else {
-                TKUnit.assertEqual(btn.measureWidth, w, "Auto columns should should measure with specific width");
+                TKUnit.assertAreClose(btn.measureWidth, w, delta, "Auto columns should should measure with specific width");
-                TKUnit.assertEqual(btn.layoutWidth, w, "Star columns should layout with exact length");
+                TKUnit.assertAreClose(btn.layoutWidth, w, delta, "Star columns should layout with exact length");
             }
         }
     }
@@ -434,10 +439,13 @@ export function test_GridLayout_ColumnWidth_when_4stars_and_width_110() {
 
     var cols = rootLayout.getColumns();
 
-    TKUnit.assertEqual(cols[0].actualLength, 28, "Column actual length should be 28");
+    var density = utils.layout.getDisplayDensity();
-    TKUnit.assertEqual(cols[1].actualLength, 27, "Column actual length should be 27");
+    var delta = Math.floor(density) !== density ? 1.1 : DELTA;
-    TKUnit.assertEqual(cols[2].actualLength, 28, "Column actual length should be 28");
+
-    TKUnit.assertEqual(cols[3].actualLength, 27, "Column actual length should be 27");
+    TKUnit.assertAreClose(cols[0].actualLength, 28, delta, "Column[0] actual length should be 28");
+    TKUnit.assertAreClose(cols[1].actualLength, 27, delta, "Column[1] actual length should be 27");
+    TKUnit.assertAreClose(cols[2].actualLength, 28, delta, "Column[2] actual length should be 28");
+    TKUnit.assertAreClose(cols[3].actualLength, 27, delta, "Column[3] actual length should be 27");
 }
 
 export function test_GridLayout_set_columns_in_XML() {

apps/tests/layouts/layout-helper.ts

@@ -69,19 +69,26 @@ export class MyButton extends button.Button {
 export function assertMeasure(btn: MyButton, width: number, height: number, name?: string) {
     var density = utils.layout.getDisplayDensity();
 
+    var delta = Math.floor(density) !== density ? 1.1 : DELTA;
     name = name ? "[" + name + "]" : "";
 
-    TKUnit.assertAreClose(btn.measureWidth / density, width, DELTA, name + "width");
+    TKUnit.assertAreClose(Math.round(btn.measureWidth / density), width, delta, name + "width");
-    TKUnit.assertAreClose(btn.measureHeight / density, height, DELTA, name + "height");
+    TKUnit.assertAreClose(Math.round(btn.measureHeight / density), height, delta, name + "height");
 }
 
 export function assertLayout(btn: MyButton, left: number, top: number, width: number, height: number, name?: string): void {
     var density = utils.layout.getDisplayDensity();
 
+    var delta = Math.floor(density) !== density ? 1.1 : DELTA;
     name = name ? "[" + name + "]" : "";
 
-    TKUnit.assertAreClose(btn.layoutLeft / density, left, DELTA, name + "left");
+    TKUnit.assertAreClose(Math.round(btn.layoutLeft / density), left, delta, name + "left");
-    TKUnit.assertAreClose(btn.layoutTop / density, top, DELTA, name + "top");
+    TKUnit.assertAreClose(Math.round(btn.layoutTop / density), top, delta, name + "top");
-    TKUnit.assertAreClose(btn.layoutWidth / density, width, DELTA, name + "width");
+    TKUnit.assertAreClose(Math.round(btn.layoutWidth / density), width, delta, name + "width");
-    TKUnit.assertAreClose(btn.layoutHeight / density, height, DELTA, name + "height");
+    TKUnit.assertAreClose(Math.round(btn.layoutHeight / density), height, delta, name + "height");
+}
+
+export function dip(value: number): number {
+    var density = utils.layout.getDisplayDensity();
+    return Math.round(value * density);
 }

apps/tests/layouts/stack-layout-tests.ts

@@ -240,4 +240,4 @@ export function test_codesnippets() {
     // ```
 
     // </snippet>
-};
+};

apps/tests/layouts/wrap-layout-tests.ts

@@ -62,22 +62,20 @@ export function testHorizontalOrientation() {
     wrapLayout.orientation = enums.Orientation.horizontal;
     helper.buildUIAndRunTest(wrapLayout, function (views: Array<viewModule.View>) {
         TKUnit.waitUntilReady(function isReady() {
-            return wrapLayout.isLayoutValid;
+            return wrapLayout.getChildAt(wrapLayout.getChildrenCount() - 1).isLayoutValid;
         }, 1);
 
-        var density = utils.layout.getDisplayDensity();
-
         var actualValue = viewModule.getViewById(wrapLayout, "0")._getCurrentLayoutBounds();
         TKUnit.assertEqual(actualValue.left, 0, "ActualLeft");
         TKUnit.assertEqual(actualValue.top, 0, "ActualTop");
-        TKUnit.assertEqual(actualValue.right, 100 * density, "ActualRight");
+        TKUnit.assertEqual(actualValue.right, layoutHelper.dip(100), "ActualRight");
-        TKUnit.assertEqual(actualValue.bottom, 100 * density, "ActualBottom");
+        TKUnit.assertEqual(actualValue.bottom, layoutHelper.dip(100), "ActualBottom");
 
         actualValue = viewModule.getViewById(wrapLayout, "1")._getCurrentLayoutBounds();
-        TKUnit.assertEqual(actualValue.left, 100 * density, "ActualLeft");
+        TKUnit.assertEqual(actualValue.left, layoutHelper.dip(100), "ActualLeft");
         TKUnit.assertEqual(actualValue.top, 0, "ActualTop");
-        TKUnit.assertEqual(actualValue.right, 200 * density, "ActualRight");
+        TKUnit.assertEqual(actualValue.right, layoutHelper.dip(200), "ActualRight");
-        TKUnit.assertEqual(actualValue.bottom, 100 * density, "ActualBottom");
+        TKUnit.assertEqual(actualValue.bottom, layoutHelper.dip(100), "ActualBottom");
     });
 }
 
@@ -91,22 +89,20 @@ export function testVerticalOrientation() {
     // </snippet>
     helper.buildUIAndRunTest(wrapLayout, function (views: Array<viewModule.View>) {
         TKUnit.waitUntilReady(function isReady() {
-            return wrapLayout.isLayoutValid;
+            return wrapLayout.getChildAt(wrapLayout.getChildrenCount() - 1).isLayoutValid;
         }, 1);
 
-        var density = utils.layout.getDisplayDensity();
-
         var actualValue = viewModule.getViewById(wrapLayout, "0")._getCurrentLayoutBounds();
         TKUnit.assertEqual(actualValue.left, 0, "ActualLeft");
         TKUnit.assertEqual(actualValue.top, 0, "ActualTop");
-        TKUnit.assertEqual(actualValue.right, 100 * density, "ActualRight");
+        TKUnit.assertEqual(actualValue.right, layoutHelper.dip(100), "ActualRight");
-        TKUnit.assertEqual(actualValue.bottom, 100 * density, "ActualBottom");
+        TKUnit.assertEqual(actualValue.bottom, layoutHelper.dip(100), "ActualBottom");
 
         actualValue = viewModule.getViewById(wrapLayout, "1")._getCurrentLayoutBounds();
         TKUnit.assertEqual(actualValue.left, 0, "ActualLeft");
-        TKUnit.assertEqual(actualValue.top, 100 * density, "ActualTop");
+        TKUnit.assertEqual(actualValue.top, layoutHelper.dip(100), "ActualTop");
-        TKUnit.assertEqual(actualValue.right, 100 * density, "ActualRight");
+        TKUnit.assertEqual(actualValue.right, layoutHelper.dip(100), "ActualRight");
-        TKUnit.assertEqual(actualValue.bottom, 200 * density, "ActualBottom");
+        TKUnit.assertEqual(actualValue.bottom, layoutHelper.dip(200), "ActualBottom");
     });
 }
 
@@ -117,22 +113,20 @@ export function testChangeOrientation() {
         wrapLayout.orientation = enums.Orientation.vertical;
 
         TKUnit.waitUntilReady(() => {
-            return wrapLayout.isLayoutValid;
+            return wrapLayout.getChildAt(wrapLayout.getChildrenCount() - 1).isLayoutValid;
         });
 
-        var density = utils.layout.getDisplayDensity();
-
         var actualValue = viewModule.getViewById(wrapLayout, "0")._getCurrentLayoutBounds();
         TKUnit.assertEqual(actualValue.left, 0, "ActualLeft");
         TKUnit.assertEqual(actualValue.top, 0, "ActualTop");
-        TKUnit.assertEqual(actualValue.right, 100 * density, "ActualRight");
+        TKUnit.assertEqual(actualValue.right, layoutHelper.dip(100), "ActualRight");
-        TKUnit.assertEqual(actualValue.bottom, 100 * density, "ActualBottom");
+        TKUnit.assertEqual(actualValue.bottom, layoutHelper.dip(100), "ActualBottom");
 
         actualValue = viewModule.getViewById(wrapLayout, "1")._getCurrentLayoutBounds();
         TKUnit.assertEqual(actualValue.left, 0, "ActualLeft");
-        TKUnit.assertEqual(actualValue.top, 100 * density, "ActualTop");
+        TKUnit.assertEqual(actualValue.top, layoutHelper.dip(100), "ActualTop");
-        TKUnit.assertEqual(actualValue.right, 100 * density, "ActualRight");
+        TKUnit.assertEqual(actualValue.right, layoutHelper.dip(100), "ActualRight");
-        TKUnit.assertEqual(actualValue.bottom, 200 * density, "ActualBottom");
+        TKUnit.assertEqual(actualValue.bottom, layoutHelper.dip(200), "ActualBottom");
     });
 }
 
@@ -141,12 +135,11 @@ export function testItemWidth() {
     wrapLayout.itemWidth = 50;
     helper.buildUIAndRunTest(wrapLayout, function (views: Array<viewModule.View>) {
         TKUnit.waitUntilReady(function isReady() {
-            return wrapLayout.isLayoutValid;
+            return wrapLayout.getChildAt(wrapLayout.getChildrenCount() - 1).isLayoutValid;
         }, 1);
 
-        var density = utils.layout.getDisplayDensity();
         var actualValue = viewModule.getViewById(wrapLayout, "1")._getCurrentLayoutBounds().left;
-        TKUnit.assertEqual(actualValue, 50 * density, "ActualLeft");
+        TKUnit.assertEqual(actualValue, layoutHelper.dip(50), "ActualLeft");
     });
 }
 
@@ -154,18 +147,17 @@ export function testChangeItemWidth() {
     var wrapLayout = _createWrapLayoutFunc(2);
     helper.buildUIAndRunTest(wrapLayout, function (views: Array<viewModule.View>) {
         TKUnit.waitUntilReady(() => {
-            return wrapLayout.isLayoutValid;
+            return wrapLayout.getChildAt(wrapLayout.getChildrenCount() - 1).isLayoutValid;
         });
 
         wrapLayout.itemWidth = 50;
 
         TKUnit.waitUntilReady(() => {
-            return wrapLayout.isLayoutValid;
+            return wrapLayout.getChildAt(wrapLayout.getChildrenCount() - 1).isLayoutValid;
         });
 
-        var density = utils.layout.getDisplayDensity();
         var actualValue = viewModule.getViewById(wrapLayout, "1")._getCurrentLayoutBounds().left;
-        TKUnit.assertEqual(actualValue, 50 * density, "ActualLeft");
+        TKUnit.assertEqual(actualValue, layoutHelper.dip(50), "ActualLeft");
     });
 }
 
@@ -175,12 +167,11 @@ export function testItemHeight() {
     wrapLayout.orientation = enums.Orientation.vertical;
     helper.buildUIAndRunTest(wrapLayout, function (views: Array<viewModule.View>) {
         TKUnit.waitUntilReady(function isReady() {
-            return wrapLayout.isLayoutValid;
+            return wrapLayout.getChildAt(wrapLayout.getChildrenCount() - 1).isLayoutValid;
         }, 1);
 
-        var density = utils.layout.getDisplayDensity();
         var actualValue = viewModule.getViewById(wrapLayout, "1")._getCurrentLayoutBounds().top;
-        TKUnit.assertEqual(actualValue, 50 * density, "ActualTop");
+        TKUnit.assertEqual(actualValue, layoutHelper.dip(50), "ActualTop");
     });
 }
 
@@ -189,18 +180,17 @@ export function testChangeItemHeight() {
     wrapLayout.orientation = enums.Orientation.vertical;
     helper.buildUIAndRunTest(wrapLayout, function (views: Array<viewModule.View>) {
         TKUnit.waitUntilReady(() => {
-            return wrapLayout.isLayoutValid;
+            return wrapLayout.getChildAt(wrapLayout.getChildrenCount() - 1).isLayoutValid;
         });
 
         wrapLayout.itemHeight = 50;
 
         TKUnit.waitUntilReady(() => {
-            return wrapLayout.isLayoutValid;
+            return wrapLayout.getChildAt(wrapLayout.getChildrenCount() - 1).isLayoutValid;
         });
 
-        var density = utils.layout.getDisplayDensity();
         var actualValue = viewModule.getViewById(wrapLayout, "1")._getCurrentLayoutBounds().top;
-        TKUnit.assertEqual(actualValue, 50 * density, "ActualTop");
+        TKUnit.assertEqual(actualValue, layoutHelper.dip(50), "ActualTop");
     });
 }
 
@@ -216,7 +206,7 @@ export function testPaddingLeftAndTop() {
 
     helper.buildUIAndRunTest(wrapLayout, function (views: Array<viewModule.View>) {
         TKUnit.waitUntilReady(() => {
-            return wrapLayout.isLayoutValid;
+            return wrapLayout.getChildAt(wrapLayout.getChildrenCount() - 1).isLayoutValid;
         });
 
         layoutHelper.assertLayout(btn, 20, 30, 50, 50);
@@ -240,7 +230,7 @@ export function testPaddingRight() {
 
     helper.buildUIAndRunTest(wrapLayout, function (views: Array<viewModule.View>) {
         TKUnit.waitUntilReady(() => {
-            return wrapLayout.isLayoutValid;
+            return wrapLayout.getChildAt(wrapLayout.getChildrenCount() - 1).isLayoutValid;
         });
 
         layoutHelper.assertMeasure(btn1, 100, 50);
@@ -271,14 +261,14 @@ export function testPaddingBottom() {
 
     helper.buildUIAndRunTest(wrapLayout, function (views: Array<viewModule.View>) {
         TKUnit.waitUntilReady(() => {
-            return wrapLayout.isLayoutValid;
+            return wrapLayout.getChildAt(wrapLayout.getChildrenCount() - 1).isLayoutValid;
         });
 
         layoutHelper.assertMeasure(btn1, 50, 100);
         layoutHelper.assertMeasure(btn2, 50, 80);
 
         // There should be no space left for the button on the first row,
-        // because fo the padding (200 - 100 - 30) = 70 button wants 80  
+        // because of the padding (200 - 100 - 30) = 70 button wants 80  
         layoutHelper.assertLayout(btn1, 0, 0, 50, 100, "button1");
         layoutHelper.assertLayout(btn2, 50, 0, 50, 80, "button2");
     });

apps/tests/testRunner.ts

@@ -71,6 +71,12 @@ if (!isRunningOnEmulator()) {
     allTests["LOCATION"] = require("./location-tests");
 }
 
+import utils = require("utils/utils");
+var density = utils.layout.getDisplayDensity();
+utils.layout.getDisplayDensity = function () {
+    return Math.round(density * 100) / 100;
+}
+
 var testsWithLongDelay = {
     testLocation: 10000,
     testLocationOnce: 10000,

apps/tests/ui/button/button-tests.ts

@@ -194,7 +194,7 @@ var _testNativeFontSizeFromCss = function (views: Array<viewModule.View>) {
     page.css = "button { font-size: " + expectedFontSize + "; }";
 
     var actualResult = buttonTestsNative.getNativeFontSize(button);
-    TKUnit.assert(actualResult === expectedFontSize, "Actual: " + actualResult + "; Expected: " + expectedFontSize);
+    helper.assertAreClose(actualResult, expectedFontSize, "FontSizeFromCss");
 }
 
 var _testNativeFontSizeFromLocal = function (views: Array<viewModule.View>) {
@@ -202,7 +202,7 @@ var _testNativeFontSizeFromLocal = function (views: Array<viewModule.View>) {
     button.style.fontSize = expectedFontSize;
 
     var actualResult = buttonTestsNative.getNativeFontSize(button);
-    TKUnit.assert(actualResult === expectedFontSize, "Actual: " + actualResult + "; Expected: " + expectedFontSize);
+    helper.assertAreClose(actualResult, expectedFontSize, "FontSizeFromLocal");
 }
 
 var expectedColorHex = "#ffff0000";

apps/tests/ui/helper.ts

@@ -8,6 +8,8 @@ import utils = require("utils/utils");
 import types = require("utils/types");
 import styling = require("ui/styling");
 
+var DELTA = 0.1;
+
 export var ASYNC = 0.2;
 
 export function do_PageTest(test: (views: Array<view.View>) => void, content: view.View, secondView: view.View, thirdView: view.View) {
@@ -203,3 +205,10 @@ export function goBack(): void {
     TKUnit.assert(frame.topmost().currentPage.isLoaded, "Current page should be loaded!");
     TKUnit.assert(!currentPage.isLoaded, "Previous page should be unloaded!");
 }
+
+export function assertAreClose(actual: number, expected: number, message: string): void {
+    var density = utils.layout.getDisplayDensity();
+    var delta = Math.floor(density) !== density ? 1.1 : DELTA;
+
+    TKUnit.assertAreClose(actual, expected, delta, message);
+}

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

@@ -234,10 +234,8 @@ export var test_SetStyleProperties_via_css_class_Native = function () {
         
         if (testLabel.android) {
             actualTextSize = testLabel.android.getTextSize();
-            //expSize = helper.convertSizeToDeviceIndependentPixels(testLabel.android.getContext(), fontSize);
+            expSize = android.util.TypedValue.applyDimension(android.util.TypedValue.COMPLEX_UNIT_DIP, fontSize, testLabel.android.getContext().getResources().getDisplayMetrics());
-            var density = utils.layout.getDisplayDensity();
+            TKUnit.assertEqual(actualTextSize, expSize, "Wrong native FontSize");
-            expSize = fontSize * density;
-            TKUnit.assert(actualTextSize === expSize, "Expected: " + expSize + ", Actual: " + actualTextSize);
 
             actualColors = testLabel.android.getTextColors();
             expColor = android.graphics.Color.parseColor(color);
@@ -251,7 +249,7 @@ export var test_SetStyleProperties_via_css_class_Native = function () {
         else {
             // iOS
             actualTextSize = testLabel.ios.font.pointSize;
-            TKUnit.assert(actualTextSize === fontSize, "Expected: " + fontSize + ", Actual: " + actualTextSize);
+            TKUnit.assertEqual(actualTextSize, fontSize, "Wrong native FontSize");
 
             normalColor = utils.ios.getColor(testLabel.ios.textColor);
             expColor = new colorModule.Color(color);

apps/tests/ui/text-field/text-field-tests.ts

@@ -296,7 +296,7 @@ export var testNativeFontSizeFromCss = function () {
         page.css = "textfield { font-size: " + expectedFontSize + "; }";
 
         var actualResult = textFieldTestsNative.getNativeFontSize(textField);
-        TKUnit.assert(actualResult === expectedFontSize, "Actual: " + actualResult + "; Expected: " + expectedFontSize);
+        helper.assertAreClose(actualResult, expectedFontSize, "FontSizeFromCss");
     });
 }
 
@@ -306,7 +306,7 @@ export var testNativeFontSizeFromLocal = function () {
         textField.style.fontSize = expectedFontSize;
 
         var actualResult = textFieldTestsNative.getNativeFontSize(textField);
-        TKUnit.assert(actualResult === expectedFontSize, "Actual: " + actualResult + "; Expected: " + expectedFontSize);
+        helper.assertAreClose(actualResult, expectedFontSize, "FontSizeFromLocal");
     });
 }
 

apps/tests/ui/text-view/text-view-tests.ts

@@ -65,7 +65,7 @@ export var testSetText = function () {
         var expectedValue = "Hello, world!";
         var actualValue = textViewTestsNative.getNativeText(textView);
         TKUnit.assert(actualValue === expectedValue, "Actual: " + actualValue + "; Expected: " + expectedValue);
-    });    
+    });
 }
 
 export var testBindTextDirectlyToModel = function () {
@@ -225,7 +225,7 @@ export var testNativeFontSizeFromCss = function () {
         page.css = "textview { font-size: " + expectedFontSize + "; }";
 
         var actualResult = textViewTestsNative.getNativeFontSize(textView);
-        TKUnit.assert(actualResult === expectedFontSize, "Actual: " + actualResult + "; Expected: " + expectedFontSize);
+        helper.assertAreClose(actualResult, expectedFontSize, "FontSizeFromCss");
     });
 }
 
@@ -235,7 +235,7 @@ export var testNativeFontSizeFromLocal = function () {
         textView.style.fontSize = expectedFontSize;
 
         var actualResult = textViewTestsNative.getNativeFontSize(textView);
-        TKUnit.assert(actualResult === expectedFontSize, "Actual: " + actualResult + "; Expected: " + expectedFontSize);
+        helper.assertAreClose(actualResult, expectedFontSize, "FontSizeFromLocal");
     });
 }
 

ui/core/view-common.ts

@@ -600,7 +600,7 @@ export class View extends proxy.ProxyObject implements definition.View {
 
         var density = utils.layout.getDisplayDensity();
         var margins = horizontal ? view.marginLeft + view.marginRight : view.marginTop + view.marginBottom;
-        margins = Math.round(margins * density);
+        margins = Math.floor(margins * density);
 
         var resultSize = 0;
         var resultMode = 0;
@@ -608,7 +608,7 @@ export class View extends proxy.ProxyObject implements definition.View {
         var measureLength = Math.max(0, parentLength - margins);
 
         // Convert to pixels.
-        var childLength = Math.round((horizontal ? view.width : view.height) * density);
+        var childLength = Math.floor((horizontal ? view.width : view.height) * density);
 
         // We want a specific size... let be it.
         if (!isNaN(childLength)) {

ui/core/view.android.ts

@@ -236,6 +236,27 @@ export class View extends viewCommon.View {
 
         return false;
     }
+
+    public static resolveSizeAndState(size: number, specSize: number, specMode: number, childMeasuredState: number): number {
+        var result = size;
+        switch (specMode) {
+            case utils.layout.UNSPECIFIED:
+                result = size;
+                break;
+
+            case utils.layout.AT_MOST:
+                if (specSize < size) {
+                    result = specSize | utils.layout.MEASURED_STATE_TOO_SMALL;
+                }
+                break;
+
+            case utils.layout.EXACTLY:
+                result = specSize;
+                break;
+        }
+
+        return result | (childMeasuredState & utils.layout.MEASURED_STATE_MASK);
+    }
 }
 
 export class CustomLayoutView extends View implements viewDefinition.CustomLayoutView {