"Reverting 17940"

tests/html/svg_2_test.dart

Index: tests/html/svg_2_test.dart
diff --git a/tests/html/svg_2_test.dart b/tests/html/svg_2_test.dart
new file mode 100644
index 0000000000000000000000000000000000000000..b2c4547ad4dae536af53ac46d2f157a4c2139a2f
--- /dev/null
+++ b/tests/html/svg_2_test.dart
@@ -0,0 +1,65 @@
+library SVG2Test;
+import '../../pkg/unittest/lib/unittest.dart';
+import '../../pkg/unittest/lib/html_config.dart';
+import 'dart:html';
+import 'dart:svg' as svg;
+
+// Test that SVG elements explicitly implement the IDL interfaces (is-checks
+// only, see SVGTest3 for behavioural tests).
+
+main() {
+
+  insertTestDiv() {
+    var element = new Element.tag('div');
+    element.innerHtml = r'''
+<svg id='svg1' width='200' height='100'>
+<rect id='rect1' x='10' y='20' width='130' height='40' rx='5'fill='blue'></rect>
+</svg>
+''';
+    document.body.nodes.add(element);
+    return element;
+  }
+
+  useHtmlConfiguration();
+
+  var isElement = predicate((x) => x is Element, 'is an Element');
+  var isSvgElement = predicate((x) => x is svg.SvgElement, 'is a SvgElement');
+  var isSvgSvgElement =
+      predicate((x) => x is svg.SvgSvgElement, 'is a SvgSvgElement');
+  var isNode = predicate((x) => x is Node, 'is a Node');
+  var isSvgTests = predicate((x) => x is svg.Tests, 'is a svg.Tests');
+  var isSvgLangSpace = predicate((x) => x is svg.LangSpace, 'is a svg.LangSpace');
+  var isSvgExternalResourcesRequired =
+      predicate((x) => x is svg.ExternalResourcesRequired,
+          'is a svg.ExternalResourcesRequired');
+  var isSvgTransformable =
+      predicate((x) => x is svg.Transformable, 'is a svg.Transformable');
+  var isSvgLocatable =
+      predicate((x) => x is svg.Locatable, 'is a svg.Locatable');
+  var isSvgNumber = predicate((x) => x is svg.Number, 'is a svg.Number');
+  var isSvgRect = predicate((x) => x is svg.Rect, 'is a svg.Rect');
+
+  test('rect_isChecks', () {
+      var div = insertTestDiv();
+      var r = document.query('#rect1');
+
+      // Direct inheritance chain
+      expect(r, isSvgElement);
+      expect(r, isElement);
+      expect(r, isNode);
+
+      // Other implemented interfaces.
+      expect(r, isSvgTests);
+      expect(r, isSvgLangSpace);
+      expect(r, isSvgExternalResourcesRequired);
+      expect(r, isSvgTransformable);
+      expect(r, isSvgLocatable);
+
+      // Interfaces not implemented.
+      expect(r, isNot(isSvgNumber));
+      expect(r, isNot(isSvgRect));
+      expect(r, isNot(isSvgSvgElement));
+
+      div.remove();
+    });
+}