Include source map URLs in the generated JS.

sdk/lib/_internal/pub/test/transformer/dart2js/includes_source_map_urls_test.dart

Index: sdk/lib/_internal/pub/test/transformer/dart2js/includes_source_map_urls_test.dart
diff --git a/sdk/lib/_internal/pub/test/transformer/dart2js/includes_source_map_urls_test.dart b/sdk/lib/_internal/pub/test/transformer/dart2js/includes_source_map_urls_test.dart
new file mode 100644
index 0000000000000000000000000000000000000000..ee5587a21376abe18c856ba39d121f8588193d2f
--- /dev/null
+++ b/sdk/lib/_internal/pub/test/transformer/dart2js/includes_source_map_urls_test.dart
@@ -0,0 +1,38 @@
+// Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS d.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.
+
+library pub_tests;
+
+import 'package:scheduled_test/scheduled_test.dart';
+
+import '../../descriptor.dart' as d;
+import '../../test_pub.dart';
+
+main() {
+  initConfig();
+  integration("includes proper URLs in generated JS and source map", () {
+    d.dir(appPath, [
+      d.appPubspec(),
+      d.dir("web", [
+        d.file("main.dart", "void main() => print('hello');")
+      ])
+    ]).create();
+
+    schedulePub(args: ["build"],
+        output: new RegExp(r'Built 3 files to "build".'),
+        exitCode: 0);
+
+    d.dir(appPath, [
+      d.dir('build', [
+        d.dir('web', [
+          d.matcherFile('main.dart.js', allOf([
+            contains("# sourceMappingURL=main.dart.js.map"),
+            contains("@ sourceMappingURL=main.dart.js.map")

[floitsch, 2014/03/11 12:51:01]

Don't look for this line.
There is an open bug (issue 11914) to remove it. I expect it to be gone soon.

[Bob Nystrom, 2014/04/03 21:36:07]

Thanks, I'll take this out in a separate patch.

+          ])),
+          d.matcherFile('main.dart.js.map', contains('"file": "main.dart.js"'))
+        ])
+      ])
+    ]).validate();
+  });
+}