Port dart:io Path tests to package:path.

pkg/path/test/windows_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.
 

[Bob Nystrom, 2013/07/18 20:45:08]

And here.

 library path.test.windows_test;
 
 import 'package:unittest/unittest.dart';
 import 'package:path/path.dart' as path;
 
 main() {
   var builder = new path.Builder(style: path.Style.windows,
                                  root: r'C:\root\path');
 
   if (new path.Builder().style == path.Style.windows) {
@@ skipping 162 matching lines @@
       expect(builder.join('', ''), '');
       expect(builder.join('', 'a'), 'a');
       expect(builder.join('a', '', 'b', '', '', '', 'c'), r'a\b\c');
       expect(builder.join('a', 'b', ''), r'a\b');
     });
 
     test('disallows intermediate nulls', () {
       expect(() => builder.join('a', null, 'b'), throwsArgumentError);
       expect(() => builder.join(null, 'a'), throwsArgumentError);
     });
+    test('misc join tests ported from Path class', () {
+      expect(builder.join('a/', 'b/c/'), 'a/b/c/');
+      expect(builder.join(r'a\b\./c\..\\', r'd\..\.\..\\e\f\\'),
+             r'a\b\./c\..\\d\..\.\..\\e\f\\');
+      expect(builder.join(r'a\b', r'c\..\..\..\..'), r'a\b\c\..\..\..\..');
+      expect(builder.join('', ''), '');
+      expect(builder.join(r'a', 'b${builder.separator}'), r'a\b\');
+    });
   });
 
   group('joinAll', () {
     test('allows more than eight parts', () {
       expect(builder.joinAll(['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i']),
           r'a\b\c\d\e\f\g\h\i');
     });
 
     test('does not add separator if a part ends or begins in one', () {
       expect(builder.joinAll([r'a\', 'b', r'c\', 'd']), r'a\b\c\d');
@@ skipping 34 matching lines @@
 
       // TODO(nweiz): enable these once issue 7323 is fixed.
       // expect(builder.split(r'\\server\foo\bar\baz'),
       //     equals([r'\\server\', 'foo', 'bar', 'baz']));
       // expect(builder.split(r'\\server\'), equals([r'\\server\']));
     });
   });
 
   group('normalize', () {
     test('simple cases', () {
-      expect(builder.normalize(''), '');
+      expect(builder.normalize(''), '.');
       expect(builder.normalize('.'), '.');
       expect(builder.normalize('..'), '..');
       expect(builder.normalize('a'), 'a');
+      expect(builder.normalize(r'\'), '.');
+      expect(builder.normalize('/'), r'.');
       expect(builder.normalize('C:/'), r'C:\');
       expect(builder.normalize(r'C:\'), r'C:\');
       expect(builder.normalize(r'\\'), r'\\');
     });
 
     test('collapses redundant separators', () {
       expect(builder.normalize(r'a\b\c'), r'a\b\c');
       expect(builder.normalize(r'a\\b\\\c\\\\d'), r'a\b\c\d');
     });
 
@@ skipping 16 matching lines @@
       expect(builder.normalize(r'..\'), '..');
       expect(builder.normalize(r'..\..\..'), r'..\..\..');
       expect(builder.normalize(r'../..\..\'), r'..\..\..');
       // TODO(rnystrom): Is this how Python handles absolute paths on Windows?
       expect(builder.normalize(r'\\..'), r'\\');
       expect(builder.normalize(r'\\..\..\..'), r'\\');
       expect(builder.normalize(r'\\..\../..\a'), r'\\a');
       expect(builder.normalize(r'c:\..'), r'c:\');
       expect(builder.normalize(r'A:/..\..\..'), r'A:\');
       expect(builder.normalize(r'b:\..\..\..\a'), r'b:\a');
+      expect(builder.normalize(r'b:\r\..\..\..\a\c\.\..'), r'b:\a');
       expect(builder.normalize(r'a\..'), '.');
+      expect(builder.normalize(r'..\a'), r'..\a');
+      expect(builder.normalize(r'c:\..\a'), r'c:\a');
+      // A path starting with '\' is not an absolute path on Windows.
+      expect(builder.normalize(r'\..\a'), r'..\a');
       expect(builder.normalize(r'a\b\..'), 'a');
+      expect(builder.normalize(r'..\a\b\..'), r'..\a');
       expect(builder.normalize(r'a\..\b'), 'b');
       expect(builder.normalize(r'a\.\..\b'), 'b');
       expect(builder.normalize(r'a\b\c\..\..\d\e\..'), r'a\d');
       expect(builder.normalize(r'a\b\..\..\..\..\c'), r'..\..\c');
+      expect(builder.normalize(r'a/b/c/../../..d/./.e/f././'), r'a\..d\.e\f.');
     });
 
     test('removes trailing separators', () {
       expect(builder.normalize(r'.\'), '.');
       expect(builder.normalize(r'.\\'), '.');
       expect(builder.normalize(r'a/'), 'a');
       expect(builder.normalize(r'a\b\'), r'a\b');
       expect(builder.normalize(r'a\b\\\'), r'a\b');
     });
 
@@ skipping 180 matching lines @@
         Uri.parse('file:///C:/path/to/foo/'));
     expect(builder.toUri(r'C:\'), Uri.parse('file:///C:/'));
     expect(builder.toUri(r'\\hostname\'), Uri.parse('file://hostname/'));
     expect(builder.toUri(r'foo\bar'), Uri.parse('foo/bar'));
     expect(builder.toUri(r'C:\path\to\foo#bar'),
         Uri.parse('file:///C:/path/to/foo%23bar'));
     expect(builder.toUri(r'\\hostname\path\to\foo#bar'),
         Uri.parse('file://hostname/path/to/foo%23bar'));
   });
 }