Add a new MIME-type package 'mime', with implementation for handling mime-type lookup by path (fine…

pkg/mime/test/mime_type_test.dart

Index: pkg/mime/test/mime_type_test.dart
diff --git a/pkg/mime/test/mime_type_test.dart b/pkg/mime/test/mime_type_test.dart
new file mode 100644
index 0000000000000000000000000000000000000000..29c8b572a4a385d0b845b560d28cb12a6fbf1411
--- /dev/null
+++ b/pkg/mime/test/mime_type_test.dart
@@ -0,0 +1,52 @@
+// Copyright (c) 2013, 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.
+
+import 'package:mime/mime.dart';
+
+
+void test(String path, String expectedMimeType, [List<int> headerBytes]) {
+  String mimeType = lookupMimeType(
+      path,
+      headerBytes: headerBytes);
+
+  if (mimeType != expectedMimeType) {
+    throw "Expect '$expectedMimeType' but got '$mimeType'";
+  }
+}
+
+void main() {
+  test('file.dart', 'application/dart');
+  test('file.DaRT', 'application/dart');
+  test('file.html', 'text/html');
+  test('file.xhtml', 'application/xhtml+xml');
+  test('file.jpeg', 'image/jpeg');
+  test('file.jpg', 'image/jpeg');
+  test('file.png', 'image/png');
+  test('file.gif', 'image/gif');
+  test('file.cc', 'text/x-c');
+  test('file.c', 'text/x-c');
+  test('file.css', 'text/css');
+  test('file.js', 'application/javascript');
+  test('file.ps', 'application/postscript');
+  test('file.pdf', 'application/pdf');
+  test('file.tiff', 'image/tiff');
+
+  test('file.jpg',
+       'image/png',
+       [0x89, 0x50, 0x4E, 0x47, 0x0D, 0x0A, 0x1A, 0x0A]);
+
+  test('file.jpg',
+       'image/gif',
+       [0x47, 0x49, 0x46, 0x38, 0x39, 0x61, 0x0D, 0x0A, 0x1A, 0x0A]);
+
+  test('file.gif',
+       'image/jpeg',
+       [0xFF, 0xD8, 0x46, 0x38, 0x39, 0x61, 0x0D, 0x0A, 0x1A, 0x0A]);
+
+  test('file.mp4',
+       lookupMimeType('file.mp4'),
+       [0x00, 0x00, 0x00, 0x04, 0x66, 0x74,
+        0x79, 0x70, 0x33, 0x67, 0x70, 0x35]);
+}
+