Add support for running tests on Dartium.

test/runner/browser/runner_test.dart

 // Copyright (c) 2015, 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.
 
 @TestOn("vm")
 
 import 'dart:io';
 
 import 'package:path/path.dart' as p;
 import 'package:test/src/util/io.dart';
 import 'package:test/test.dart';
 
 import '../../io.dart';
 
 String _sandbox;
 
 final _success = """
 import 'dart:async';
 
 import 'package:test/test.dart';
 
 void main() {
   test("success", () {});
 }
 """;
 
+final _failure = """
+import 'dart:async';
+
+import 'package:test/test.dart';
+
+void main() {
+  test("failure", () => throw new TestFailure("oh no"));
+}
+""";
+
 void main() {
   setUp(() {
     _sandbox = createTempDir();
   });
 
   tearDown(() {
     new Directory(_sandbox).deleteSync(recursive: true);
   });
 
   group("fails gracefully if", () {
@@ skipping 78 matching lines @@
       var result = _runUnittest(["-p", "chrome", "test.dart"]);
       expect(result.exitCode, equals(0));
     });
 
     test("on Firefox", () {
       new File(p.join(_sandbox, "test.dart")).writeAsStringSync(_success);
       var result = _runUnittest(["-p", "firefox", "test.dart"]);
       expect(result.exitCode, equals(0));
     });
 
+    test("on Dartium", () {
+      new File(p.join(_sandbox, "test.dart")).writeAsStringSync(_success);
+      var result = _runUnittest(["-p", "dartium", "test.dart"]);
+      expect(result.stdout, isNot(contains("Compiling")));
+      expect(result.exitCode, equals(0));
+    });
+
     test("on multiple browsers", () {
       new File(p.join(_sandbox, "test.dart")).writeAsStringSync(_success);
       var result = _runUnittest(["-p", "firefox", "-p", "chrome", "test.dart"]);
       expect("Compiling".allMatches(result.stdout), hasLength(1));
       expect(result.exitCode, equals(0));
     });
 
+    test("on a JS and non-JS browser", () {
+      new File(p.join(_sandbox, "test.dart")).writeAsStringSync(_success);
+      var result = _runUnittest(["-p", "dartium", "-p", "chrome", "test.dart"]);
+      expect("Compiling".allMatches(result.stdout), hasLength(1));
+      expect(result.exitCode, equals(0));
+    });
+
     test("on the browser and the VM", () {
       new File(p.join(_sandbox, "test.dart")).writeAsStringSync(_success);
       var result = _runUnittest(["-p", "chrome", "-p", "vm", "test.dart"]);
       expect(result.exitCode, equals(0));
     });
   });
 
   group("runs failing tests", () {
     test("on Chrome", () {
-      new File(p.join(_sandbox, "test.dart")).writeAsStringSync("""
-import 'dart:async';
-
-import 'package:test/test.dart';
-
-void main() {
-  test("failure", () => throw new TestFailure("oh no"));
-}
-""");
+      new File(p.join(_sandbox, "test.dart")).writeAsStringSync(_failure);
       var result = _runUnittest(["-p", "chrome", "test.dart"]);
       expect(result.exitCode, equals(1));
     });
 
     test("on Firefox", () {
-      new File(p.join(_sandbox, "test.dart")).writeAsStringSync("""
-import 'dart:async';
+      new File(p.join(_sandbox, "test.dart")).writeAsStringSync(_failure);
+      var result = _runUnittest(["-p", "firefox", "test.dart"]);
+      expect(result.exitCode, equals(1));
+    });
 
-import 'package:test/test.dart';
-
-void main() {
-  test("failure", () => throw new TestFailure("oh no"));
-}
-""");
-      var result = _runUnittest(["-p", "firefox", "test.dart"]);
+    test("on Dartium", () {
+      new File(p.join(_sandbox, "test.dart")).writeAsStringSync(_failure);
+      var result = _runUnittest(["-p", "dartium", "test.dart"]);
       expect(result.exitCode, equals(1));
     });
 
     test("that fail only on the browser", () {
       new File(p.join(_sandbox, "test.dart")).writeAsStringSync("""
 import 'dart:async';
 
 import 'package:path/path.dart' as p;
 import 'package:test/test.dart';
 
@@ skipping 40 matching lines @@
 """);
 
     var result = _runUnittest(["-p", "chrome", "test.dart"]);
     expect(result.stdout, contains("Hello,\nworld!\n"));
     expect(result.exitCode, equals(0));
   });
 }
 
 ProcessResult _runUnittest(List<String> args) =>
     runUnittest(args, workingDirectory: _sandbox);