Fix a normalization bug.

CHANGELOG.md

@@ -1,3 +1,7 @@
+## 1.4.2
+
+* Normalize `c:\foo\.` to `c:\foo`.
+
 ## 1.4.1
 
 * Root-relative URLs like `/foo` are now resolved relative to the drive letter

lib/src/context.dart

@@ -397,7 +397,7 @@ class Context {
     // Single dots and double dots are normalized to directory traversals.
     if (previous == chars.PERIOD &&
         (previousPrevious == null ||
-         previousPrevious == chars.SLASH ||
+         style.isSeparator(previousPrevious) ||
          previousPrevious == chars.PERIOD)) {
       return true;
     }

pubspec.yaml

@@ -1,5 +1,5 @@
 name: path
-version: 1.4.1
+version: 1.4.2-dev
 author: Dart Team <misc@dartlang.org>
 description: >
  A string-based path manipulation library. All of the path operations you know

test/windows_test.dart

@@ -330,6 +330,7 @@ main() {
     test('eliminates "." parts', () {
       expect(context.normalize(r'.\'), '.');
       expect(context.normalize(r'c:\.'), r'c:\');
+      expect(context.normalize(r'c:\foo\.'), r'c:\foo');
       expect(context.normalize(r'B:\.\'), r'B:\');
       expect(context.normalize(r'\\server\share\.'), r'\\server\share');
       expect(context.normalize(r'.\.'), '.');
@@ -351,6 +352,7 @@ main() {
       expect(
           context.normalize(r'\\server\share\..\../..\a'), r'\\server\share\a');
       expect(context.normalize(r'c:\..'), r'c:\');
+      expect(context.normalize(r'c:\foo\..'), r'c:\');
       expect(context.normalize(r'A:/..\..\..'), r'A:\');
       expect(context.normalize(r'b:\..\..\..\a'), r'b:\a');
       expect(context.normalize(r'b:\r\..\..\..\a\c\.\..'), r'b:\a');