Update charted to 0.4.8 and roll

packages/path/test/posix_test.dart

Index: packages/path/test/posix_test.dart
diff --git a/packages/path/test/posix_test.dart b/packages/path/test/posix_test.dart
index afd6b94f03d0ccb93670705bddee360a1e56ec74..4549ebdfd48e0b835e04f6e31d25288d18466f35 100644
--- a/packages/path/test/posix_test.dart
+++ b/packages/path/test/posix_test.dart
@@ -2,8 +2,6 @@
 // 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 path.test.posix_test;
-
 import 'package:test/test.dart';
 import 'package:path/path.dart' as path;
 
@@ -319,6 +317,12 @@ main() {
       expect(context.normalize(r'a/b\'), r'a/b\');
       expect(context.normalize('a/b///'), 'a/b');
     });
+
+    test('when canonicalizing', () {
+      expect(context.canonicalize('.'), '/root/path');
+      expect(context.canonicalize('foo/bar'), '/root/path/foo/bar');
+      expect(context.canonicalize('FoO'), '/root/path/FoO');
+    });
   });
 
   group('relative', () {
@@ -350,6 +354,11 @@ main() {
         expect(context.relative('a/./b/../c.txt'), 'a/c.txt');
       });
 
+      test('is case-sensitive', () {
+        expect(context.relative('/RoOt'), '../../RoOt');
+        expect(context.relative('/rOoT/pAtH/a'), '../../rOoT/pAtH/a');
+      });
+
       // Regression
       test('from root-only path', () {
         expect(context.relative('/', from: '/'), '.');
@@ -442,6 +451,44 @@ main() {
     });
   });
 
+  group('equals and hash', () {
+    test('simple cases', () {
+      expectEquals(context, 'foo/bar', 'foo/bar');
+      expectNotEquals(context, 'foo/bar', 'foo/bar/baz');
+      expectNotEquals(context, 'foo/bar', 'foo');
+      expectNotEquals(context, 'foo/bar', 'foo/baz');
+      expectEquals(context, 'foo/bar', '../path/foo/bar');
+      expectEquals(context, '/', '/');
+      expectEquals(context, '/', '../..');
+      expectEquals(context, 'baz', '/root/path/baz');
+    });
+
+    test('complex cases', () {
+      expectEquals(context, 'foo/./bar', 'foo/bar');
+      expectEquals(context, 'foo//bar', 'foo/bar');
+      expectEquals(context, 'foo/qux/../bar', 'foo/bar');
+      expectNotEquals(context, 'foo/qux/../bar', 'foo/qux');
+      expectNotEquals(context, 'foo/bar', 'foo/bar/baz/../..');
+      expectEquals(context, 'foo/bar', 'foo/bar///');
+      expectEquals(context, 'foo/.bar', 'foo/.bar');
+      expectNotEquals(context, 'foo/./bar', 'foo/.bar');
+      expectEquals(context, 'foo/..bar', 'foo/..bar');
+      expectNotEquals(context, 'foo/../bar', 'foo/..bar');
+      expectEquals(context, 'foo/bar', 'foo/bar/baz/..');
+      expectNotEquals(context, 'FoO/bAr', 'foo/bar');
+    });
+
+    test('from a relative root', () {
+      var r = new path.Context(style: path.Style.posix, current: 'foo/bar');
+      expectEquals(r, 'a/b', 'a/b');
+      expectNotEquals(r, '.', 'foo/bar');
+      expectNotEquals(r, '.', '../a/b');
+      expectEquals(r, '.', '../bar');
+      expectEquals(r, '/baz/bang', '/baz/bang');
+      expectNotEquals(r, 'baz/bang', '/baz/bang');
+    });
+  });
+
   group('absolute', () {
     test('allows up to seven parts', () {
       expect(context.absolute('a'), '/root/path/a');