Update charted to 0.4.8 and roll

packages/path/test/posix_test.dart

 // Copyright (c) 2012, 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.
 
-library path.test.posix_test;
-
 import 'package:test/test.dart';
 import 'package:path/path.dart' as path;
 
 import 'utils.dart';
 
 main() {
   var context =
       new path.Context(style: path.Style.posix, current: '/root/path');
 
   test('separator', () {
@@ skipping 295 matching lines @@
     });
 
     test('removes trailing separators', () {
       expect(context.normalize('./'), '.');
       expect(context.normalize('.//'), '.');
       expect(context.normalize('a/'), 'a');
       expect(context.normalize('a/b/'), 'a/b');
       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', () {
     group('from absolute root', () {
       test('given absolute path in root', () {
         expect(context.relative('/'), '../..');
         expect(context.relative('/root'), '..');
         expect(context.relative('/root/path'), '.');
         expect(context.relative('/root/path/a'), 'a');
         expect(context.relative('/root/path/a/b.txt'), 'a/b.txt');
@@ skipping 11 matching lines @@
         // The path is considered relative to the root, so it basically just
         // normalizes.
         expect(context.relative(''), '.');
         expect(context.relative('.'), '.');
         expect(context.relative('a'), 'a');
         expect(context.relative('a/b.txt'), 'a/b.txt');
         expect(context.relative('../a/b.txt'), '../a/b.txt');
         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: '/'), '.');
         expect(context.relative('/root/path', from: '/'), 'root/path');
       });
     });
 
     group('from relative root', () {
       var r = new path.Context(style: path.Style.posix, current: 'foo/bar');
 
@@ skipping 72 matching lines @@
     test('from a relative root', () {
       var r = new path.Context(style: path.Style.posix, current: 'foo/bar');
       expect(r.isWithin('.', 'a/b/c'), isTrue);
       expect(r.isWithin('.', '../a/b/c'), isFalse);
       expect(r.isWithin('.', '../../a/foo/b/c'), isFalse);
       expect(r.isWithin('/', '/baz/bang'), isTrue);
       expect(r.isWithin('.', '/baz/bang'), isFalse);
     });
   });
 
+  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');
       expect(context.absolute('a', 'b'), '/root/path/a/b');
       expect(context.absolute('a', 'b', 'c'), '/root/path/a/b/c');
       expect(context.absolute('a', 'b', 'c', 'd'), '/root/path/a/b/c/d');
       expect(context.absolute('a', 'b', 'c', 'd', 'e'), '/root/path/a/b/c/d/e');
       expect(context.absolute('a', 'b', 'c', 'd', 'e', 'f'),
           '/root/path/a/b/c/d/e/f');
       expect(context.absolute('a', 'b', 'c', 'd', 'e', 'f', 'g'),
@@ skipping 87 matching lines @@
 
     test('with a root-relative URI', () {
       expect(context.prettyUri('/a/b'), '/a/b');
     });
 
     test('with a Uri object', () {
       expect(context.prettyUri(Uri.parse('a/b')), 'a/b');
     });
   });
 }