Fixing ArrayBuffer et al on IE.

tests/html/typed_arrays_1_test.dart

Index: tests/html/typed_arrays_1_test.dart
diff --git a/tests/html/typed_arrays_1_test.dart b/tests/html/typed_arrays_1_test.dart
index ccd13d0f611490e8abd16843a33b38214ed434c5..12bd9f6aae58b8b94972154365b747829e975c69 100644
--- a/tests/html/typed_arrays_1_test.dart
+++ b/tests/html/typed_arrays_1_test.dart
@@ -4,45 +4,65 @@
 
 library TypedArrays1Test;
 import '../../pkg/unittest/lib/unittest.dart';
-import '../../pkg/unittest/lib/html_config.dart';
+import '../../pkg/unittest/lib/html_individual_config.dart';
 import 'dart:html';
 
 main() {
-  useHtmlConfiguration();
+  useHtmlIndividualConfiguration();
 
   var isnumList = predicate((x) => x is List<num>, 'is a List<num>');
   var isStringList = predicate((x) => x is List<String>, 'is a List<String>');
+  var expectation = ArrayBuffer.supported ? returnsNormally : throws;
 
-  test('createByLengthTest', () {
-      var a = new Float32Array(10);
-      expect(a.length, 10);
-      expect(a[4], 0);
+  group('supported', () {
+    test('supported', () {
+      expect(ArrayBuffer.supported, true);
+    });
   });
 
-  test('aliasTest', () {
-      var a1 = new Uint8Array.fromList([0,0,1,0x45]);
-      var a2 = new Float32Array.fromBuffer(a1.buffer);
-
-      expect(a2.length, 1);
+  group('arrays', () {
+    test('createByLengthTest', () {
+      expect(() {
+        var a = new Float32Array(10);
+        expect(a.length, 10);
+        expect(a[4], 0);
+      }, expectation);
+    });
 
-      // 0x45010000 = 2048+16
-      expect(a2[0], 2048 + 16);
+    test('aliasTest', () {
+      expect(() {
+        var a1 = new Uint8Array.fromList([0,0,1,0x45]);
+        var a2 = new Float32Array.fromBuffer(a1.buffer);
 
-      a1[2] = 0;
-      // 0x45000000 = 2048
-      expect(a2[0], 2048);
+        expect(a2.length, 1);
 
-      a1[3]--;
-      a1[2] += 128;
-      // 0x44800000 = 1024
-      expect(a2[0], 1024);
+        // 0x45010000 = 2048+16
+        expect(a2[0], 2048 + 16);
 
-  });
+        a1[2] = 0;
+        // 0x45000000 = 2048
+        expect(a2[0], 2048);
 
-  test('typeTests', () {
-      var a = new Float32Array(10);
-      expect(a, isList);
-      expect(a, isnumList);
-      expect(a, isNot(isStringList));
+        a1[3]--;
+        a1[2] += 128;
+        // 0x44800000 = 1024
+        expect(a2[0], 1024);
+      }, expectation);
     });
+
+    // Generic type checking is not available in dart2js, so use this check to
+    // see if we should check for it.
+    var supportsTypeTest = !(new List<String>() is List<int>);
+
+    if (supportsTypeTest) {
+      test('typeTests', () {
+        expect(() {
+          var a = new Float32Array(10);
+          expect(a, isList);
+          expect(a, isnumList);
+          expect(a, isNot(isStringList));
+        }, expectation);
+      });
+    }
+  });
 }