Add forgotten layout tests

client/tests/client/dom/SVG2Test.dart

Index: client/tests/client/dom/SVG2Test.dart
diff --git a/client/tests/client/dom/SVG2Test.dart b/client/tests/client/dom/SVG2Test.dart
new file mode 100644
index 0000000000000000000000000000000000000000..cf59cf49ab0650ab36d24dc252df302da9ffb14b
--- /dev/null
+++ b/client/tests/client/dom/SVG2Test.dart
@@ -0,0 +1,47 @@
+#library('SVG2Test');
+#import('../../../testing/unittest/unittest.dart');
+#import('dart:dom');
+
+// Test that SVG elements explicitly implement the IDL interfaces (is-checks
+// only, see SVGTest3 for behavioural tests).
+
+main() {
+
+  insertTestDiv() {
+    var element = document.createElement('div');
+    element.innerHTML = @'''
+<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.appendChild(element);
+    return element;
+  }
+
+  forLayoutTests();
+
+  test('rect_isChecks', () {
+      var div = insertTestDiv();
+      var r = document.getElementById('rect1');
+
+      // Direct inheritance chain
+      Expect.isTrue(r is SVGElement);
+      Expect.isTrue(r is Element);
+      Expect.isTrue(r is Node);
+
+      // Other implemented interfaces.
+      Expect.isTrue(r is SVGTests);
+      Expect.isTrue(r is SVGLangSpace);
+      Expect.isTrue(r is SVGExternalResourcesRequired);
+      Expect.isTrue(r is SVGStylable);
+      Expect.isTrue(r is SVGTransformable);
+      Expect.isTrue(r is SVGLocatable);
+
+      // Interfaces not implemented.
+      Expect.isFalse(r is SVGNumber);
+      Expect.isFalse(r is SVGRect);
+      Expect.isFalse(r is SVGSVGElement);
+
+      document.body.removeChild(div);
+    });
+}