Reapply Box Model convenience classes

tests/html/element_dimensions_test.dart

+// Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file
+
+library element_dimensions_test;
+import 'package:unittest/unittest.dart';
+import 'package:unittest/html_config.dart';
+import 'dart:html';
+
+main() {
+  useHtmlConfiguration();
+
+  var isElement = predicate((x) => x is Element, 'is an Element');
+  var isCanvasElement =
+      predicate((x) => x is CanvasElement, 'is a CanvasElement');
+  var isDivElement = predicate((x) => x is DivElement, 'is a isDivElement');
+
+  var div = new DivElement();
+  div.id = 'test';
+  document.body.nodes.add(div);
+
+  void initDiv() {
+    var style = div.style;
+    style..padding = '4px'
+         ..border = '0px solid #fff'
+         ..margin = '6px'
+         ..height = '10px'
+         ..width = '11px'
+         ..boxSizing = 'content-box'
+         ..overflow = 'visible';
+  }
+
+  div.nodes.addAll([
+      new DivElement(),
+      new CanvasElement(),
+      new DivElement(),
+      new Text('Hello'),
+      new DivElement(),
+      new Text('World'),
+      new CanvasElement()]);
+
+  group('dimensions', () {
+    setUp(initDiv);
+
+    test('contentEdge.height', () {
+      var all1 = queryAll('#test');
+
+      expect(all1.contentEdge.height, 10);
+      expect(all1[0].getComputedStyle().getPropertyValue('height'), '10px');
+
+      all1.contentEdge.height = new Dimension.px(600);
+      all1.contentEdge.height = 600;
+      expect(all1.contentEdge.height, 600);
+      expect(all1[0].getComputedStyle().getPropertyValue('height'), '600px');
+      all1[0].style.visibility = 'hidden';
+      expect(all1.contentEdge.height, 600);
+      all1[0].style.visibility = 'visible';
+
+      // If user passes in a negative number, set height to 0.
+      all1.contentEdge.height = new Dimension.px(-1);
+      expect(all1.contentEdge.height, 0);
+
+      // Adding padding or border shouldn't affect the height for
+      // non-box-sizing.
+      div.style.padding = '20pc';
+      expect(all1.contentEdge.height, 0);
+      div.style.border = '2px solid #fff';
+      expect(all1.contentEdge.height, 0);
+    });
+
+    test('contentEdge.height with border-box', () {
+      var all1 = queryAll('#test');
+      div.style.boxSizing = 'border-box';
+      expect(all1.contentEdge.height, 2);
+      div.style.padding = '20pc';
+      expect(all1.contentEdge.height, 0);
+      div.style.border = '2px solid #fff';
+      expect(all1.contentEdge.height, 0);
+    });
+
+    test('contentEdge.width', () {
+      var all1 = queryAll('#test');
+      expect(all1.contentEdge.width, 11);
+      expect(all1[0].getComputedStyle().getPropertyValue('width'), '11px');
+
+      all1.contentEdge.width = new Dimension.px(600);
+      expect(all1.contentEdge.width, 600);
+      expect(all1[0].getComputedStyle().getPropertyValue('width'), '600px');
+      all1[0].style.visibility = 'hidden';
+      expect(all1.contentEdge.width, 600);
+      all1[0].style.visibility = 'visible';
+
+      // If user passes in a negative number, set width to 0.
+      all1.contentEdge.width = new Dimension.px(-1);
+      expect(all1.contentEdge.width, 0);
+
+      // Adding padding or border shouldn't affect the width.
+      div.style.padding = '20pc';
+      expect(all1.contentEdge.width, 0);
+      div.style.border = '2px solid #fff';
+      expect(all1.contentEdge.width, 0);
+    });
+
+    test('contentEdge.width with border-box', () {
+      var all1 = queryAll('#test');
+      div.style.boxSizing = 'border-box';
+      expect(all1.contentEdge.width, 3);
+      div.style.padding = '20pc';
+      expect(all1.contentEdge.width, 0);
+      div.style.border = '2px solid #fff';
+      expect(all1.contentEdge.width, 0);
+
+    });
+
+    test('paddingEdge.height', () {
+      var all1 = queryAll('#test');
+      expect(all1.paddingEdge.height, 18);
+      all1[0].style.visibility = 'hidden';
+      expect(all1.paddingEdge.height, 18);
+      all1[0].style.visibility = 'visible';
+
+      // Adding border shouldn't affect the paddingEdge.height.
+      div.style.border = '2px solid #fff';
+      expect(all1.paddingEdge.height, 18);
+      // Adding padding should affect the paddingEdge.height.
+      div.style.padding = '20pc';
+      expect(all1.paddingEdge.height, 650);
+    });
+
+    test('paddingEdge.height with border-box', () {
+      var all1 = queryAll('#test');
+      div.style.boxSizing = 'border-box';
+      expect(all1.paddingEdge.height, 10);
+      div.style.padding = '20pc';
+      expect(all1.paddingEdge.height, 640);
+      div.style.border = '2px solid #fff';
+      expect(all1.paddingEdge.height, 640);
+    });
+
+    test('paddingEdge.width', () {
+      var all1 = queryAll('#test');
+      expect(all1.paddingEdge.width, 19);
+      all1[0].style.visibility = 'hidden';
+      expect(all1.paddingEdge.width, 19);
+      all1[0].style.visibility = 'visible';
+
+      // Adding border shouldn't affect the width.
+      div.style.border = '2px solid #fff';
+      expect(all1.paddingEdge.width, 19);
+
+      // Adding padding should affect the paddingEdge.width.
+      div.style.padding = '20pc';
+      expect(all1.paddingEdge.width, 651);
+    });
+
+    test('paddingEdge.width with border-box', () {
+      var all1 = queryAll('#test');
+      div.style.boxSizing = 'border-box';
+      expect(all1.paddingEdge.width, 11);
+      div.style.padding = '20pc';
+      expect(all1.paddingEdge.width, 640);
+      div.style.border = '2px solid #fff';
+      expect(all1.paddingEdge.width, 640);
+    });
+
+    test('borderEdge.height and marginEdge.height', () {
+      var all1 = queryAll('#test');
+      expect(div.borderEdge.height, 18);
+      expect(div.marginEdge.height, 30);
+      expect(all1.borderEdge.height, 18);
+      expect(all1.marginEdge.height, 30);
+      all1[0].style.visibility = 'hidden';
+      expect(all1.borderEdge.height, 18);
+      all1[0].style.visibility = 'visible';
+
+      // Adding border should affect the borderEdge.height.
+      div.style.border = '2px solid #fff';
+      expect(all1.borderEdge.height, 22);
+      // Adding padding should affect the borderEdge.height.
+      div.style.padding = '20pc';
+      expect(all1.borderEdge.height, 654);
+      expect(all1.marginEdge.height, 666);
+    });
+
+
+    test('borderEdge.height and marginEdge.height with border-box', () {
+      var all1 = queryAll('#test');
+      div.style.boxSizing = 'border-box';
+      expect(all1.borderEdge.height, 10);
+      expect(all1.marginEdge.height, 22);
+      div.style.padding = '20pc';
+      expect(all1.borderEdge.height, 640);
+      expect(all1.marginEdge.height, 652);
+      div.style.border = '2px solid #fff';
+      expect(all1.borderEdge.height, 644);
+      expect(all1.marginEdge.height, 656);
+    });
+
+    test('borderEdge.width and marginEdge.width', () {
+      var all1 = queryAll('#test');
+      expect(all1.borderEdge.width, 19);
+      expect(all1.marginEdge.width, 31);
+
+      // Adding border should affect the width.
+      div.style.border = '2px solid #fff';
+      expect(all1.borderEdge.width, 23);
+
+      // Adding padding should affect the borderEdge.width.
+      div.style.padding = '20pc';
+      expect(all1.borderEdge.width, 655);
+      expect(all1.marginEdge.width, 667);
+    });
+
+    test('borderEdge.width and marginEdge.width with border-box', () {
+      var all1 = queryAll('#test');
+      div.style.boxSizing = 'border-box';
+      expect(all1.borderEdge.width, 11);
+      expect(all1.marginEdge.width, 23);
+      div.style.padding = '20pc';
+      expect(all1.borderEdge.width, 640);
+      expect(all1.marginEdge.width, 652);
+      div.style.border = '2px solid #fff';
+      expect(all1.borderEdge.width, 644);
+      expect(all1.marginEdge.width, 656);
+    });
+
+    test('left and top', () {
+      div.style.border = '1px solid #fff';
+      div.style.margin = '6px 7px';
+      div.style.padding = '4px 5px';
+      var all1 = queryAll('#test');
+
+      expect(all1.borderEdge.left, all1[0].getBoundingClientRect().left);
+      expect(all1.borderEdge.top, all1[0].getBoundingClientRect().top);
+
+      expect(all1.contentEdge.left,
+          all1[0].getBoundingClientRect().left + 1 + 5);
+      expect(all1.contentEdge.top, all1[0].getBoundingClientRect().top + 1 + 4);
+
+      expect(all1.marginEdge.left, all1[0].getBoundingClientRect().left - 7);
+      expect(all1.marginEdge.top, all1[0].getBoundingClientRect().top - 6);
+
+      expect(all1.paddingEdge.left, all1[0].getBoundingClientRect().left + 1);
+      expect(all1.paddingEdge.top, all1[0].getBoundingClientRect().top + 1);
+    });
+
+    test('setHeight ElementList', () {
+      div.style.border = '1px solid #fff';
+      div.style.margin = '6px 7px';
+      div.style.padding = '4px 5px';
+      var all1 = queryAll('div');
+      all1.contentEdge.height = new Dimension.px(200);
+      all1.contentEdge.height = 200;
+      for (Element elem in all1) {
+        expect(elem.contentEdge.height, 200);
+      }
+      all1.contentEdge.height = new Dimension.px(10);
+      for (Element elem in all1) {
+        expect(elem.contentEdge.height, 10);
+      }
+    });
+  });
+}