Port dart:io Path tests to package:path.

pkg/path/test/url_test.dart

Index: pkg/path/test/url_test.dart
diff --git a/pkg/path/test/url_test.dart b/pkg/path/test/url_test.dart
index d040a59840c5cca1ad924704981308a4687c0cf5..9cf10648f136f1b4306e29522c76a2799d9b8961 100644
--- a/pkg/path/test/url_test.dart
+++ b/pkg/path/test/url_test.dart
@@ -235,6 +235,16 @@ main() {
       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('a/b/./c/..//', 'd/.././..//e/f//'),
+             'a/b/./c/..//d/.././..//e/f//');
+      expect(builder.join('a/b', 'c/../../../..'), 'a/b/c/../../../..');
+      expect(builder.join('', ''), '');
+      expect(builder.join('a/b/c/', '/d'), '/d');
+      expect(builder.join('a', 'b${builder.separator}'), 'a/b/');
+    });
   });
 
   group('joinAll', () {
@@ -305,7 +315,7 @@ main() {
 
   group('normalize', () {
     test('simple cases', () {
-      expect(builder.normalize(''), '');
+      expect(builder.normalize(''), '.');
       expect(builder.normalize('.'), '.');
       expect(builder.normalize('..'), '..');
       expect(builder.normalize('a'), 'a');
@@ -315,6 +325,9 @@ main() {
       expect(builder.normalize('file:///'), 'file://');
       expect(builder.normalize('/'), '/');
       expect(builder.normalize(r'\'), r'\');
+      expect(builder.normalize('C:/'), 'C:');
+      expect(builder.normalize(r'C:\'), r'C:\');
+      expect(builder.normalize(r'\\'), r'\\');
     });
 
     test('collapses redundant separators', () {
@@ -360,12 +373,16 @@ main() {
           'http://dartlang.org/a');
       expect(builder.normalize('file:///../../../a'), 'file:///a');
       expect(builder.normalize('/../../../a'), '/a');
+      expect(builder.normalize('c:/..'), '.');
+      expect(builder.normalize('A:/../../..'), '../..');
       expect(builder.normalize('a/..'), '.');
       expect(builder.normalize('a/b/..'), 'a');
       expect(builder.normalize('a/../b'), 'b');
       expect(builder.normalize('a/./../b'), 'b');
       expect(builder.normalize('a/b/c/../../d/e/..'), 'a/d');
       expect(builder.normalize('a/b/../../../../c'), '../../c');
+      expect(builder.normalize('z/a/b/../../..\../c'), 'z/..\../c');
+      expect(builder.normalize('a/b\c/../d'), 'a/d');
     });
 
     test('does not walk before root on absolute paths', () {
@@ -373,14 +390,23 @@ main() {
       expect(builder.normalize('../'), '..');
       expect(builder.normalize('http://dartlang.org/..'),
           'http://dartlang.org');
+      expect(builder.normalize('http://dartlang.org/../a'),
+             'http://dartlang.org/a');
       expect(builder.normalize('file:///..'), 'file://');
+      expect(builder.normalize('file:///../a'), 'file:///a');
       expect(builder.normalize('/..'), '/');
       expect(builder.normalize('a/..'), '.');
+      expect(builder.normalize('../a'), '../a');
+      expect(builder.normalize('/../a'), '/a');
+      expect(builder.normalize('c:/../a'), 'a');
+      expect(builder.normalize('/../a'), '/a');
       expect(builder.normalize('a/b/..'), 'a');
+      expect(builder.normalize('../a/b/..'), '../a');
       expect(builder.normalize('a/../b'), 'b');
       expect(builder.normalize('a/./../b'), 'b');
       expect(builder.normalize('a/b/c/../../d/e/..'), 'a/d');
       expect(builder.normalize('a/b/../../../../c'), '../../c');
+      expect(builder.normalize('a/b/c/../../..d/./.e/f././'), 'a/..d/.e/f.');
     });
 
     test('removes trailing separators', () {
@@ -388,6 +414,7 @@ main() {
       expect(builder.normalize('.//'), '.');
       expect(builder.normalize('a/'), 'a');
       expect(builder.normalize('a/b/'), 'a/b');
+      expect(builder.normalize(r'a/b\'), r'a/b\');
       expect(builder.normalize('a/b///'), 'a/b');
     });
   });
@@ -658,4 +685,101 @@ main() {
     expect(builder.toUri('http://dartlang.org/path/to/foo%23bar'),
         Uri.parse('http://dartlang.org/path/to/foo%23bar'));
   });
+
+
+  void testGetters(String p, List components, String properties) {
+    final int DIRNAME = 0;
+    final int FILENAME = 1;
+    final int FILENAME_NO_EXTENSION = 2;
+    final int WITHOUT_EXTENSION = 3;
+    final int EXTENSION = 4;
+    final int ROOT_PREFIX = 5;
+    expect(components[DIRNAME], builder.dirname(p));
+    expect(components[FILENAME], builder.basename(p));
+    expect(components[FILENAME_NO_EXTENSION],
+           builder.basenameWithoutExtension(p));
+    expect(components[WITHOUT_EXTENSION],
+           builder.withoutExtension(p));
+    expect(components[EXTENSION], builder.extension(p));
+    expect(builder.isAbsolute(p), properties.contains('absolute'));
+    expect(components[ROOT_PREFIX], builder.rootPrefix(p));
+    if (properties.contains('normalized')) {
+      expect(p, builder.normalize(p));
+    } else {
+      expect(p, isNot(equals(builder.normalize(p))));
+    }
+  }
+
+  test('getters', () {
+    testGetters("/foo/bar/fisk.hest",
+                ['/foo/bar', 'fisk.hest', 'fisk', '/foo/bar/fisk',
+                 '.hest', '/'],
+                'absolute normalized');
+    testGetters('',
+                ['.', '', '', '', '', ''],
+                '');  // Issue with normalize('') == '.' change.
+    // This corner case leaves a trailing slash for the root.
+    testGetters('/',
+                ['/', '/', '/', '/', '', '/'],
+                'absolute normalized');
+    testGetters('.',
+                ['.', '.', '.', '.', '', ''],
+                'normalized');
+    testGetters('..',
+                ['.', '..', '..', '..', '', ''],
+                'normalized');
+    testGetters('/ab,;- .c.d',
+                ['/', 'ab,;- .c.d', 'ab,;- .c', '/ab,;- .c', '.d', '/'],
+                'absolute normalized');
+
+    // Normalized and non-normalized cases
+    testGetters("a/b/../c/./d/e",
+                ['a/b/../c/./d', 'e', 'e', 'a/b/../c/./d/e', '', ''],
+                '');
+    testGetters("a./b../..c/.d/e",
+                ['a./b../..c/.d', 'e', 'e', 'a./b../..c/.d/e', '', ''],
+                'normalized');
+    testGetters("a/b/",
+                ['a', 'b', 'b', 'a/b/', '', ''],
+                '');
+    // .. is allowed at the beginning of a normalized relative path.
+    testGetters("../../a/b/c/d",
+                ['../../a/b/c', 'd', 'd', '../../a/b/c/d', '', ''],
+                'normalized');
+
+    // '.' at the end of a path is not considered an extension.
+    testGetters("a/b.c/.",
+                ['a/b.c', '.', '.', 'a/b.c/.', '', ''],
+                '');
+    // '..' at the end of a path is not considered an extension.
+    testGetters("a/bc/../..",
+        ['a/bc/..', '..', '..', 'a/bc/../..', '', ''],
+                '');
+    // '.foo' at the end of a path is not considered an extension.
+    testGetters("a/bc/../.foo",
+        ['a/bc/..', '.foo', '.foo', 'a/bc/../.foo', '', ''],
+                '');
+    // '.foo.bar' at the end of a path is has extension '.bar'.
+    testGetters("a/bc/../.foo.bar",
+        ['a/bc/..', '.foo.bar', '.foo', 'a/bc/../.foo', '.bar', ''],
+                '');
+
+    // Make sure that backslashes are uninterpreted on other platforms.
+    testGetters(r"c:\foo\bar\fisk.hest",
+                ['.', r'c:\foo\bar\fisk.hest', r'c:\foo\bar\fisk',
+                 r'c:\foo\bar\fisk', '.hest', ''],
+                'normalized');
+    testGetters(r"/foo\bar/bif/fisk.hest",
+                [r'/foo\bar/bif', 'fisk.hest', 'fisk', r'/foo\bar/bif/fisk',
+                 '.hest', '/'],
+                'absolute normalized');
+    testGetters(r"//foo\bar///bif////fisk.hest",
+                [r'//foo\bar///bif', 'fisk.hest', 'fisk',
+                 r'//foo\bar///bif////fisk', '.hest', '/'],
+                'absolute');
+    testGetters(r"/foo\ bar/bif/gule\ fisk.hest",
+                [r'/foo\ bar/bif', r'gule\ fisk.hest', r'gule\ fisk',
+                 r'/foo\ bar/bif/gule\ fisk', '.hest', '/'],
+                'absolute normalized');
+  });
 }