Adding supported checks and flags to FormData

tests/html/form_data_test.dart

Index: tests/html/form_data_test.dart
diff --git a/tests/html/form_data_test.dart b/tests/html/form_data_test.dart
index 0ddd97db2b6b8712e8ed01a92628d0bd64c9c355..75dedcee0a3b0c4b80f76a61eb0acb9c504e7db8 100644
--- a/tests/html/form_data_test.dart
+++ b/tests/html/form_data_test.dart
@@ -5,8 +5,9 @@
 library FormDataTest;
 
 import '../../pkg/unittest/lib/unittest.dart';
-import '../../pkg/unittest/lib/html_config.dart';
+import '../../pkg/unittest/lib/html_individual_config.dart';
 import 'dart:html';
+import 'dart:uri';
 
 void fail(message) {
   guardAsync(() {
@@ -17,56 +18,75 @@ void fail(message) {
 void main() {
   // TODO(efortuna): This is a bad test. Revisit when we have tests that can run
   // both a server and fire up a browser.
-  useHtmlConfiguration();
+  useHtmlIndividualConfiguration();
 
-  var isFormData = predicate((x) => x is FormData, 'is a FormData');
-
-  test('constructorTest1', () {
-    var form = new FormData();
-    expect(form, isNotNull);
-    expect(form, isFormData);
+  group('supported', () {
+    test('supported', () {
+      expect(FormData.supported, isTrue);
+    });
   });
 
-  test('constructorTest2', () {
-    var form = new FormData(new FormElement());
-    expect(form, isNotNull);
-    expect(form, isFormData);
-  });
+  group('functional', () {
+    test('unsupported throws', () {
+      var expectation = FormData.supported ? returnsNormally : throws;
+      expect(() {
+        new FormData();
+      }, expectation);
+    });
 
-  test('appendTest', () {
-    var form = new FormData();
-    form.append('test', '1');
-    form.append('username', 'Elmo');
-    form.append('address', '1 Sesame Street');
-    form.append('password', '123456', 'foo');
-    expect(form, isNotNull);
-  });
+    var isFormData = predicate((x) => x is FormData, 'is a FormData');
 
-  test('appendBlob', () {
-    var form = new FormData();
-    var blob = new Blob(
-        ['Indescribable... Indestructible! Nothing can stop it!'],
-        'text/plain');
-    form.append('theBlob', blob, 'theBlob.txt');
-  });
+    if (FormData.supported) {
+      test('constructorTest1', () {
+        var form = new FormData();
+        expect(form, isNotNull);
+        expect(form, isFormData);
+      });
 
-  test('send', () {
-    var form = new FormData();
-    var blobString = 'Indescribable... Indestructible! Nothing can stop it!';
-    var blob = new Blob(
-        [blobString],
-        'text/plain');
-    form.append('theBlob', blob, 'theBlob.txt');
+      test('constructorTest2', () {
+        var form = new FormData(new FormElement());
+        expect(form, isNotNull);
+        expect(form, isFormData);
+      });
 
-    var xhr = new HttpRequest();
-    xhr.open("POST", "http://localhost:${window.location.port}/echo");
+      test('appendTest', () {
+        var form = new FormData();
+        form.append('test', '1');
+        form.append('username', 'Elmo');
+        form.append('address', '1 Sesame Street');
+        form.append('password', '123456', 'foo');
+        expect(form, isNotNull);
+      });
 
-    xhr.onLoad.listen(expectAsync1((e) {
-      expect(xhr.responseText.contains(blobString), true);
-    }));
-    xhr.onError.listen((e) {
-      fail('$e');
-    });
-    xhr.send(form);
+      test('appendBlob', () {
+        var form = new FormData();
+        var blob = new Blob(
+            ['Indescribable... Indestructible! Nothing can stop it!'],
+            'text/plain');
+        form.append('theBlob', blob, 'theBlob.txt');
+      });
+
+      test('send', () {
+        var form = new FormData();
+        var blobString =
+            'Indescribable... Indestructible! Nothing can stop it!';
+        var blob = new Blob(
+            [blobString],
+            'text/plain');
+        form.append('theBlob', blob, 'theBlob.txt');
+
+        var xhr = new HttpRequest();
+        xhr.open('POST',
+            '${window.location.protocol}//${window.location.host}/echo');
+
+        xhr.onLoad.listen(expectAsync1((e) {
+          expect(xhr.responseText.contains(blobString), true);
+        }));
+        xhr.onError.listen((e) {
+          fail('$e');
+        });
+        xhr.send(form);
+      });
+    }
   });
 }