tests/standalone_2/io/directory_test.dart - sdk.git - Git at Google

 // 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.
 //
 // Directory listing test.

 // @dart = 2.9

 import "dart:async";
 import "dart:io";

 import "package:async_helper/async_helper.dart";
 import "package:expect/expect.dart";

 class DirectoryTest {
   static void testListing() {
     bool listedDir = false;
     bool listedFile = false;

     Directory directory =
         Directory.systemTemp.createTempSync('dart_directory_test');
     Directory subDirectory = new Directory("${directory.path}/subdir");
     Expect.isTrue('$directory'.contains(directory.path));
     Expect.isFalse(subDirectory.existsSync());
     subDirectory.createSync();
     Expect.isTrue(subDirectory.existsSync());
     File f = new File('${subDirectory.path}/file.txt');
     File fLong = new File('${directory.path}/subdir/../subdir/file.txt');
     Expect.isFalse(f.existsSync());
     f.createSync();

     void testSyncListing(bool recursive) {
       for (var entry in directory.listSync(recursive: recursive)) {
         if (entry is File) {
           Expect.isTrue(entry.path.contains(directory.path));
           Expect.isTrue(entry.path.contains('subdir'));
           Expect.isTrue(entry.path.contains('file.txt'));
           Expect.isFalse(listedFile);
           listedFile = true;
         } else {
           Expect.isTrue(entry is Directory);
           Expect.isTrue(entry.path.contains(directory.path));
           Expect.isTrue(entry.path.contains('subdir'));
           Expect.isFalse(listedDir);
           listedDir = true;
         }
       }
       Expect.equals(listedFile, recursive);
       Expect.isTrue(listedDir);
       listedFile = false;
       listedDir = false;
     }

     testSyncListing(true);
     testSyncListing(false);
     Expect.equals(
         f.resolveSymbolicLinksSync(), fLong.resolveSymbolicLinksSync());

     asyncStart();
     directory.list(recursive: true).listen((FileSystemEntity entity) {
       if (entity is File) {
         var path = entity.path;
         listedFile = true;
         Expect.isTrue(path.contains(directory.path));
         Expect.isTrue(path.contains('subdir'));
         Expect.isTrue(path.contains('file.txt'));
       } else {
         var path = entity.path;
         Expect.isTrue(entity is Directory);
         listedDir = true;
         Expect.isTrue(path.contains(directory.path));
         Expect.isTrue(path.contains('subdir'));
       }
     }, onDone: () {
       Expect.isTrue(listedDir, "directory not found");
       Expect.isTrue(listedFile, "file not found");
       directory.delete(recursive: true).then((ignore) {
         f.exists().then((exists) => Expect.isFalse(exists));
         directory.exists().then((exists) => Expect.isFalse(exists));
         subDirectory.exists().then((exists) => Expect.isFalse(exists));
         asyncEnd();
       });
     });

     // Listing is asynchronous, so nothing should be listed at this
     // point.
     Expect.isFalse(listedDir);
     Expect.isFalse(listedFile);
   }

   static void testListingTailingPaths() {
     Directory directory =
         Directory.systemTemp.createTempSync('dart_directory_test');
     Directory subDirectory = new Directory("${directory.path}/subdir/");
     subDirectory.createSync();
     File f = new File('${subDirectory.path}/file.txt');
     f.createSync();

     void test(entry) {
       Expect.isFalse(entry.path.contains(new RegExp('[\\/][\\/]')));
     }

     subDirectory.listSync().forEach(test);

     subDirectory.list().listen(test, onDone: () {
       directory.deleteSync(recursive: true);
     });
   }

   static void testListNonExistent() {
     setupListerHandlers(Stream<FileSystemEntity> stream) {
       stream.listen(
           (_) => Expect.fail("Listing of non-existing directory should fail"),
           onError: (error) {
         Expect.isTrue(error is FileSystemException);
       });
     }

     Directory.systemTemp.createTemp('dart_directory').then((d) {
       d.delete().then((ignore) {
         setupListerHandlers(d.list());
         setupListerHandlers(d.list(recursive: true));
       });
     });
   }

   static void testListTooLongName() {
     asyncStart();
     Directory.systemTemp.createTemp('dart_directory').then((d) {
       var errors = 0;
       setupListHandlers(Stream<FileSystemEntity> stream) {
         stream.listen(
             (_) => Expect.fail("Listing of non-existing directory should fail"),
             onError: (error) {
           Expect.isTrue(error is FileSystemException);
           if (++errors == 2) {
             d.delete(recursive: true).then((_) {
               asyncEnd();
             });
           }
         });
       }

       var subDirName = 'subdir';
       var subDir = new Directory("${d.path}/$subDirName");
       subDir.create().then((ignore) {
         // Construct a long string of the form
         // 'tempdir/subdir/../subdir/../subdir'.
         var buffer = new StringBuffer();
         buffer.write(subDir.path);
         for (var i = 0; i < 1000; i++) {
           buffer.write("/../${subDirName}");
         }
         var long = new Directory("${buffer.toString()}");
         setupListHandlers(long.list());
         setupListHandlers(long.list(recursive: true));
       });
     });
   }

   static void testDeleteNonExistent() {
     // Test that deleting a non-existing directory fails.
     setupFutureHandlers(future) {
       future.then((ignore) {
         Expect.fail("Deletion of non-existing directory should fail");
       }).catchError((error) {
         Expect.isTrue(error is FileSystemException);
       });
     }

     Directory.systemTemp.createTemp('dart_directory').then((d) {
       d.delete().then((ignore) {
         setupFutureHandlers(d.delete());
         setupFutureHandlers(d.delete(recursive: true));
       });
     });
   }

   static void testDeleteTooLongName() {
     asyncStart();
     Directory.systemTemp.createTemp('dart_directory').then((d) {
       var subDirName = 'subdir';
       var subDir = new Directory("${d.path}/$subDirName");
       subDir.create().then((ignore) {
         // Construct a long string of the form
         // 'tempdir/subdir/../subdir/../subdir'.
         var buffer = new StringBuffer();
         buffer.write(subDir.path);
         for (var i = 0; i < 1000; i++) {
           buffer.write("/../${subDirName}");
         }
         var long = new Directory("${buffer.toString()}");
         var errors = 0;
         onError(error) {
           Expect.isTrue(error is FileSystemException);
           if (++errors == 2) {
             d.delete(recursive: true).then((_) => asyncEnd());
           }
         }

         long.delete().catchError(onError);
         long.delete(recursive: true).catchError(onError);
       });
     });
   }

   static void testDeleteNonExistentSync() {
     Directory d = Directory.systemTemp.createTempSync('dart_directory_test');
     d.deleteSync();
     Expect.throws(d.deleteSync);
     Expect.throws(() => d.deleteSync(recursive: true));
   }

   static void testDeleteTooLongNameSync() {
     Directory d = Directory.systemTemp.createTempSync('dart_directory_test');
     var subDirName = 'subdir';
     var subDir = new Directory("${d.path}/$subDirName");
     subDir.createSync();
     // Construct a long string of the form
     // 'tempdir/subdir/../subdir/../subdir'.
     var buffer = new StringBuffer();
     buffer.write(subDir.path);
     for (var i = 0; i < 1000; i++) {
       buffer.write("/../${subDirName}");
     }
     var long = new Directory("${buffer.toString()}");
     Expect.throws(long.deleteSync);
     Expect.throws(() => long.deleteSync(recursive: true));
     d.deleteSync(recursive: true);
   }

   static void testExistsCreateDelete() {
     Directory.systemTemp.createTemp('dart_directory').then((d) {
       d.exists().then((bool exists) {
         Expect.isTrue(exists);
         Directory created = new Directory("${d.path}/subdir");
         created.create().then((ignore) {
           created.exists().then((bool exists) {
             Expect.isTrue(exists);
             created.delete().then((ignore) {
               created.exists().then((bool exists) {
                 Expect.isFalse(exists);
                 d.delete().then((ignore) {
                   d.exists().then((bool exists) {
                     Expect.isFalse(exists);
                   });
                 });
               });
             });
           });
         });
       });
     });
   }

   static void testExistsCreateDeleteSync() {
     Directory d = Directory.systemTemp.createTempSync('dart_directory_test');
     Directory d2 = new Directory('${d.path}/');
     Expect.isTrue(d.existsSync());
     Expect.isTrue(d2.existsSync());
     Directory created = new Directory("${d.path}/subdir");
     created.createSync();
     Expect.isTrue(created.existsSync());
     created.deleteSync();
     Expect.isFalse(created.existsSync());
     d.deleteSync();
     Expect.isFalse(d.existsSync());
   }

   static void testDeleteLinkSync() {
     Directory tmp = Directory.systemTemp.createTempSync('dart_directory_test');
     var path = "${tmp.path}${Platform.pathSeparator}";
     Directory d = new Directory("${path}target");
     d.createSync();
     Link l = new Link("${path}symlink");
     l.createSync("${path}target");
     Expect.isTrue(d.existsSync());
     Expect.isTrue(l.existsSync());
     new Directory(l.path).deleteSync(recursive: true);
     Expect.isTrue(d.existsSync());
     Expect.isFalse(l.existsSync());
     d.deleteSync();
     Expect.isFalse(d.existsSync());
     tmp.deleteSync();
   }

   static void testDeleteLinkAsFileSync() {
     Directory tmp = Directory.systemTemp.createTempSync('dart_directory_test');
     var path = "${tmp.path}${Platform.pathSeparator}";
     Directory d = new Directory("${path}target");
     d.createSync();
     Link l = new Link("${path}symlink");
     l.createSync("${path}target");
     Expect.isTrue(d.existsSync());
     Expect.isTrue(l.existsSync());
     new Link(l.path).deleteSync();
     Expect.isTrue(d.existsSync());
     Expect.isFalse(l.existsSync());
     d.deleteSync();
     Expect.isFalse(d.existsSync());
     tmp.deleteSync();
   }

   static void testDeleteBrokenLinkAsFileSync() {
     Directory tmp = Directory.systemTemp.createTempSync('dart_directory_test');
     var path = "${tmp.path}${Platform.pathSeparator}";
     Directory d = new Directory("${path}target");
     d.createSync();
     Link l = new Link("${path}symlink");
     l.createSync("${path}target");
     d.deleteSync();
     Expect.isFalse(d.existsSync());
     Expect.isTrue(l.existsSync());
     new Link(l.path).deleteSync();
     Expect.isFalse(l.existsSync());
     Expect.isFalse(d.existsSync());
     tmp.deleteSync();
   }

   static void testListBrokenLinkSync() {
     Directory tmp = Directory.systemTemp.createTempSync('dart_directory_test');
     var path = "${tmp.path}${Platform.pathSeparator}";
     Directory d = new Directory("${path}target");
     d.createSync();
     Link l = new Link("${path}symlink");
     l.createSync("${path}target");
     d.deleteSync();
     int count = 0;
     tmp.list(followLinks: true).listen((file) {
       count++;
       Expect.isTrue(file is Link);
     }, onDone: () {
       Expect.equals(1, count);
       l.deleteSync();
       tmp.deleteSync();
     });
   }

   static void testListLinkSync() {
     Directory tmp = Directory.systemTemp.createTempSync('dart_directory_test');
     var path = "${tmp.path}${Platform.pathSeparator}";
     Directory d = new Directory("${path}target");
     d.createSync();
     Link l = new Link("${path}symlink");
     l.createSync("${path}target");
     int count = 0;
     tmp.list(followLinks: true).listen((file) {
       count++;
       Expect.isTrue(file is Directory);
     }, onDone: () {
       Expect.equals(2, count);
       l.deleteSync();
       d.deleteSync();
       tmp.deleteSync();
     });
   }

   static void testCreateTemp() {
     Directory base = new Directory('/tmp');
     String template = 'dart_temp_dir';
     if (base.existsSync()) {
       asyncStart();
       Future.wait([base.createTemp(template), base.createTemp(template)])
           .then((tempDirs) {
         Expect.notEquals(tempDirs[0].path, tempDirs[1].path);
         for (Directory t in tempDirs) {
           Expect.isTrue(t.existsSync());
           t.deleteSync();
           Expect.isFalse(t.existsSync());
         }
         asyncEnd();
       });
     }
   }

   static void testCreateSystemTemp() {
     String template = 'dart_system_temp_dir';
     asyncStart();
     Future.wait([
       Directory.systemTemp.createTemp(template),
       Directory.systemTemp.createTemp(template)
     ]).then((tempDirs) {
       Expect.notEquals(tempDirs[0].path, tempDirs[1].path);
       for (Directory t in tempDirs) {
         Expect.isTrue(t.existsSync());
         t.deleteSync();
         Expect.isFalse(t.existsSync());
       }
       asyncEnd();
     });
   }

   static void testCreateDeleteTemp() {
     Directory.systemTemp.createTemp('dart_directory').then((tempDirectory) {
       String filename =
           "${tempDirectory.path}${Platform.pathSeparator}dart_testfile";
       File file = new File(filename);
       Expect.isFalse(file.existsSync());
       file.create().then((ignore) {
         file.exists().then((exists) {
           Expect.isTrue(exists);
           // Try to delete the directory containing the file - should throw.
           Expect.throws(tempDirectory.deleteSync);
           Expect.isTrue(tempDirectory.existsSync());

           // Delete the file, and then delete the directory.
           file.delete().then((ignore) {
             tempDirectory.deleteSync();
             Expect.isFalse(tempDirectory.existsSync());
           });
         });
       });
     });
   }

   static void testCurrent() {
     Directory current = Directory.current;
     if (Platform.operatingSystem != "windows") {
       Expect.equals("/", current.path.substring(0, 1));
     }
   }

   static void testEquals() {
     var name = new File('.').resolveSymbolicLinksSync();
     Directory current1 = new Directory(name);
     Directory current2 = new Directory(name);
     Expect.equals(current1.path, current2.path);
     Expect.isTrue(current1.existsSync());
   }

   static void testMain() {
     testListing();
     testListingTailingPaths();
     testListNonExistent();
     testListTooLongName();
     testDeleteNonExistent();
     testDeleteTooLongName();
     testDeleteNonExistentSync();
     testDeleteTooLongNameSync();
     testExistsCreateDelete();
     testExistsCreateDeleteSync();
     testDeleteLinkSync();
     testDeleteLinkAsFileSync();
     testDeleteBrokenLinkAsFileSync();
     testListBrokenLinkSync();
     testListLinkSync();
     testCreateTemp();
     testCreateSystemTemp();
     testCreateDeleteTemp();
     testCurrent();
     testEquals();
   }
 }

 class NestedTempDirectoryTest {
   List<Directory> createdDirectories;
   Directory current;

   NestedTempDirectoryTest.run() : createdDirectories = new List<Directory>() {
     Directory.systemTemp.createTemp('dart_directory').then(createPhaseCallback);
   }

   void createPhaseCallback(temp) {
     createdDirectories.add(temp);
     int nestingDepth = 6;
     var os = Platform.operatingSystem;
     if (os == "windows") nestingDepth = 2;
     if (createdDirectories.length < nestingDepth) {
       temp
           .createTemp('nested_temp_dir_${createdDirectories.length}_')
           .then(createPhaseCallback);
     } else {
       deletePhaseCallback();
     }
   }

   void deletePhaseCallback() {
     if (!createdDirectories.isEmpty) {
       current = createdDirectories.removeLast();
       current.deleteSync();
       deletePhaseCallback();
     }
   }

   static void testMain() {
     new NestedTempDirectoryTest.run();
     new NestedTempDirectoryTest.run();
   }
 }

 String illegalTempDirectoryLocation() {
   // Determine a platform specific illegal location for a temporary directory.
   var os = Platform.operatingSystem;
   if (os == "linux" || os == "macos") {
     return "/dev/zero/";
   }
   if (os == "windows") {
     return "*";
   }
   return null;
 }

 testCreateTempErrorSync() {
   var location = illegalTempDirectoryLocation();
   if (location != null) {
     Expect.throws(() => new Directory(location).createTempSync('dart_tempdir'),
         (e) => e is FileSystemException);
   }
 }

 testCreateTempError() {
   var location = illegalTempDirectoryLocation();
   if (location == null) return;

   asyncStart();
   var future = new Directory(location).createTemp('dart_tempdir');
   future.catchError((_) => asyncEnd());
 }

 testCreateExistingSync() {
   // Test that creating an existing directory succeeds.
   var temp = Directory.systemTemp.createTempSync('directory_test');
   var subDir = new Directory('${temp.path}/flaf');
   Expect.isFalse(subDir.existsSync());
   subDir.createSync();
   Expect.isTrue(subDir.existsSync());
   subDir.createSync();
   Expect.isTrue(subDir.existsSync());
   temp.deleteSync(recursive: true);
 }

 testCreateExisting() {
   // Test that creating an existing directory succeeds.
   asyncStart();
   Directory.systemTemp.createTemp('dart_directory').then((temp) {
     var subDir = new Directory('${temp.path}/flaf');
     subDir.exists().then((dirExists) {
       Expect.isFalse(dirExists);
       subDir.create().then((_) {
         subDir.exists().then((dirExists) {
           Expect.isTrue(dirExists);
           subDir.create().then((_) {
             subDir.exists().then((dirExists) {
               Expect.isTrue(dirExists);
               temp.delete(recursive: true).then((_) {
                 asyncEnd();
               });
             });
           });
         });
       });
     });
   });
 }

 testCreateDirExistingFileSync() {
   // Test that creating an existing directory succeeds.
   var temp = Directory.systemTemp.createTempSync('directory_test');
   var path = '${temp.path}/flaf';
   var file = new File(path);
   file.createSync();
   Expect.isTrue(file.existsSync());
   Expect.throws(
       new Directory(path).createSync, (e) => e is FileSystemException);
   temp.deleteSync(recursive: true);
 }

 testCreateDirExistingFile() {
   // Test that creating an existing directory succeeds.
   asyncStart();
   Directory.systemTemp.createTemp('dart_directory').then((temp) {
     var path = '${temp.path}/flaf';
     var file = new File(path);
     var subDir = new Directory(path);
     file.create().then((_) {
       subDir.create().then((_) {
         Expect.fail("dir create should fail on existing file");
       }).catchError((error) {
         Expect.isTrue(error is FileSystemException);
         temp.delete(recursive: true).then((_) {
           asyncEnd();
         });
       });
     });
   });
 }

 main() {
   DirectoryTest.testMain();
   NestedTempDirectoryTest.testMain();
   testCreateTempErrorSync();
   testCreateTempError();
   testCreateExistingSync();
   testCreateExisting();
   testCreateDirExistingFileSync();
   testCreateDirExistingFile();
 }
	// 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.
	//
	// Directory listing test.

	// @dart = 2.9

	import "dart:async";
	import "dart:io";

	import "package:async_helper/async_helper.dart";
	import "package:expect/expect.dart";

	class DirectoryTest {
	static void testListing() {
	bool listedDir = false;
	bool listedFile = false;

	Directory directory =
	Directory.systemTemp.createTempSync('dart_directory_test');
	Directory subDirectory = new Directory("${directory.path}/subdir");
	Expect.isTrue('$directory'.contains(directory.path));
	Expect.isFalse(subDirectory.existsSync());
	subDirectory.createSync();
	Expect.isTrue(subDirectory.existsSync());
	File f = new File('${subDirectory.path}/file.txt');
	File fLong = new File('${directory.path}/subdir/../subdir/file.txt');
	Expect.isFalse(f.existsSync());
	f.createSync();

	void testSyncListing(bool recursive) {
	for (var entry in directory.listSync(recursive: recursive)) {
	if (entry is File) {
	Expect.isTrue(entry.path.contains(directory.path));
	Expect.isTrue(entry.path.contains('subdir'));
	Expect.isTrue(entry.path.contains('file.txt'));
	Expect.isFalse(listedFile);
	listedFile = true;
	} else {
	Expect.isTrue(entry is Directory);
	Expect.isTrue(entry.path.contains(directory.path));
	Expect.isTrue(entry.path.contains('subdir'));
	Expect.isFalse(listedDir);
	listedDir = true;
	}
	}
	Expect.equals(listedFile, recursive);
	Expect.isTrue(listedDir);
	listedFile = false;
	listedDir = false;
	}

	testSyncListing(true);
	testSyncListing(false);
	Expect.equals(
	f.resolveSymbolicLinksSync(), fLong.resolveSymbolicLinksSync());

	asyncStart();
	directory.list(recursive: true).listen((FileSystemEntity entity) {
	if (entity is File) {
	var path = entity.path;
	listedFile = true;
	Expect.isTrue(path.contains(directory.path));
	Expect.isTrue(path.contains('subdir'));
	Expect.isTrue(path.contains('file.txt'));
	} else {
	var path = entity.path;
	Expect.isTrue(entity is Directory);
	listedDir = true;
	Expect.isTrue(path.contains(directory.path));
	Expect.isTrue(path.contains('subdir'));
	}
	}, onDone: () {
	Expect.isTrue(listedDir, "directory not found");
	Expect.isTrue(listedFile, "file not found");
	directory.delete(recursive: true).then((ignore) {
	f.exists().then((exists) => Expect.isFalse(exists));
	directory.exists().then((exists) => Expect.isFalse(exists));
	subDirectory.exists().then((exists) => Expect.isFalse(exists));
	asyncEnd();
	});
	});

	// Listing is asynchronous, so nothing should be listed at this
	// point.
	Expect.isFalse(listedDir);
	Expect.isFalse(listedFile);
	}

	static void testListingTailingPaths() {
	Directory directory =
	Directory.systemTemp.createTempSync('dart_directory_test');
	Directory subDirectory = new Directory("${directory.path}/subdir/");
	subDirectory.createSync();
	File f = new File('${subDirectory.path}/file.txt');
	f.createSync();

	void test(entry) {
	Expect.isFalse(entry.path.contains(new RegExp('[\\/][\\/]')));
	}

	subDirectory.listSync().forEach(test);

	subDirectory.list().listen(test, onDone: () {
	directory.deleteSync(recursive: true);
	});
	}

	static void testListNonExistent() {
	setupListerHandlers(Stream<FileSystemEntity> stream) {
	stream.listen(
	(_) => Expect.fail("Listing of non-existing directory should fail"),
	onError: (error) {
	Expect.isTrue(error is FileSystemException);
	});
	}

	Directory.systemTemp.createTemp('dart_directory').then((d) {
	d.delete().then((ignore) {
	setupListerHandlers(d.list());
	setupListerHandlers(d.list(recursive: true));
	});
	});
	}

	static void testListTooLongName() {
	asyncStart();
	Directory.systemTemp.createTemp('dart_directory').then((d) {
	var errors = 0;
	setupListHandlers(Stream<FileSystemEntity> stream) {
	stream.listen(
	(_) => Expect.fail("Listing of non-existing directory should fail"),
	onError: (error) {
	Expect.isTrue(error is FileSystemException);
	if (++errors == 2) {
	d.delete(recursive: true).then((_) {
	asyncEnd();
	});
	}
	});
	}

	var subDirName = 'subdir';
	var subDir = new Directory("${d.path}/$subDirName");
	subDir.create().then((ignore) {
	// Construct a long string of the form
	// 'tempdir/subdir/../subdir/../subdir'.
	var buffer = new StringBuffer();
	buffer.write(subDir.path);
	for (var i = 0; i < 1000; i++) {
	buffer.write("/../${subDirName}");
	}
	var long = new Directory("${buffer.toString()}");
	setupListHandlers(long.list());
	setupListHandlers(long.list(recursive: true));
	});
	});
	}

	static void testDeleteNonExistent() {
	// Test that deleting a non-existing directory fails.
	setupFutureHandlers(future) {
	future.then((ignore) {
	Expect.fail("Deletion of non-existing directory should fail");
	}).catchError((error) {
	Expect.isTrue(error is FileSystemException);
	});
	}

	Directory.systemTemp.createTemp('dart_directory').then((d) {
	d.delete().then((ignore) {
	setupFutureHandlers(d.delete());
	setupFutureHandlers(d.delete(recursive: true));
	});
	});
	}

	static void testDeleteTooLongName() {
	asyncStart();
	Directory.systemTemp.createTemp('dart_directory').then((d) {
	var subDirName = 'subdir';
	var subDir = new Directory("${d.path}/$subDirName");
	subDir.create().then((ignore) {
	// Construct a long string of the form
	// 'tempdir/subdir/../subdir/../subdir'.
	var buffer = new StringBuffer();
	buffer.write(subDir.path);
	for (var i = 0; i < 1000; i++) {
	buffer.write("/../${subDirName}");
	}
	var long = new Directory("${buffer.toString()}");
	var errors = 0;
	onError(error) {
	Expect.isTrue(error is FileSystemException);
	if (++errors == 2) {
	d.delete(recursive: true).then((_) => asyncEnd());
	}
	}

	long.delete().catchError(onError);
	long.delete(recursive: true).catchError(onError);
	});
	});
	}

	static void testDeleteNonExistentSync() {
	Directory d = Directory.systemTemp.createTempSync('dart_directory_test');
	d.deleteSync();
	Expect.throws(d.deleteSync);
	Expect.throws(() => d.deleteSync(recursive: true));
	}

	static void testDeleteTooLongNameSync() {
	Directory d = Directory.systemTemp.createTempSync('dart_directory_test');
	var subDirName = 'subdir';
	var subDir = new Directory("${d.path}/$subDirName");
	subDir.createSync();
	// Construct a long string of the form
	// 'tempdir/subdir/../subdir/../subdir'.
	var buffer = new StringBuffer();
	buffer.write(subDir.path);
	for (var i = 0; i < 1000; i++) {
	buffer.write("/../${subDirName}");
	}
	var long = new Directory("${buffer.toString()}");
	Expect.throws(long.deleteSync);
	Expect.throws(() => long.deleteSync(recursive: true));
	d.deleteSync(recursive: true);
	}

	static void testExistsCreateDelete() {
	Directory.systemTemp.createTemp('dart_directory').then((d) {
	d.exists().then((bool exists) {
	Expect.isTrue(exists);
	Directory created = new Directory("${d.path}/subdir");
	created.create().then((ignore) {
	created.exists().then((bool exists) {
	Expect.isTrue(exists);
	created.delete().then((ignore) {
	created.exists().then((bool exists) {
	Expect.isFalse(exists);
	d.delete().then((ignore) {
	d.exists().then((bool exists) {
	Expect.isFalse(exists);
	});
	});
	});
	});
	});
	});
	});
	});
	}

	static void testExistsCreateDeleteSync() {
	Directory d = Directory.systemTemp.createTempSync('dart_directory_test');
	Directory d2 = new Directory('${d.path}/');
	Expect.isTrue(d.existsSync());
	Expect.isTrue(d2.existsSync());
	Directory created = new Directory("${d.path}/subdir");
	created.createSync();
	Expect.isTrue(created.existsSync());
	created.deleteSync();
	Expect.isFalse(created.existsSync());
	d.deleteSync();
	Expect.isFalse(d.existsSync());
	}

	static void testDeleteLinkSync() {
	Directory tmp = Directory.systemTemp.createTempSync('dart_directory_test');
	var path = "${tmp.path}${Platform.pathSeparator}";
	Directory d = new Directory("${path}target");
	d.createSync();
	Link l = new Link("${path}symlink");
	l.createSync("${path}target");
	Expect.isTrue(d.existsSync());
	Expect.isTrue(l.existsSync());
	new Directory(l.path).deleteSync(recursive: true);
	Expect.isTrue(d.existsSync());
	Expect.isFalse(l.existsSync());
	d.deleteSync();
	Expect.isFalse(d.existsSync());
	tmp.deleteSync();
	}

	static void testDeleteLinkAsFileSync() {
	Directory tmp = Directory.systemTemp.createTempSync('dart_directory_test');
	var path = "${tmp.path}${Platform.pathSeparator}";
	Directory d = new Directory("${path}target");
	d.createSync();
	Link l = new Link("${path}symlink");
	l.createSync("${path}target");
	Expect.isTrue(d.existsSync());
	Expect.isTrue(l.existsSync());
	new Link(l.path).deleteSync();
	Expect.isTrue(d.existsSync());
	Expect.isFalse(l.existsSync());
	d.deleteSync();
	Expect.isFalse(d.existsSync());
	tmp.deleteSync();
	}

	static void testDeleteBrokenLinkAsFileSync() {
	Directory tmp = Directory.systemTemp.createTempSync('dart_directory_test');
	var path = "${tmp.path}${Platform.pathSeparator}";
	Directory d = new Directory("${path}target");
	d.createSync();
	Link l = new Link("${path}symlink");
	l.createSync("${path}target");
	d.deleteSync();
	Expect.isFalse(d.existsSync());
	Expect.isTrue(l.existsSync());
	new Link(l.path).deleteSync();
	Expect.isFalse(l.existsSync());
	Expect.isFalse(d.existsSync());
	tmp.deleteSync();
	}

	static void testListBrokenLinkSync() {
	Directory tmp = Directory.systemTemp.createTempSync('dart_directory_test');
	var path = "${tmp.path}${Platform.pathSeparator}";
	Directory d = new Directory("${path}target");
	d.createSync();
	Link l = new Link("${path}symlink");
	l.createSync("${path}target");
	d.deleteSync();
	int count = 0;
	tmp.list(followLinks: true).listen((file) {
	count++;
	Expect.isTrue(file is Link);
	}, onDone: () {
	Expect.equals(1, count);
	l.deleteSync();
	tmp.deleteSync();
	});
	}

	static void testListLinkSync() {
	Directory tmp = Directory.systemTemp.createTempSync('dart_directory_test');
	var path = "${tmp.path}${Platform.pathSeparator}";
	Directory d = new Directory("${path}target");
	d.createSync();
	Link l = new Link("${path}symlink");
	l.createSync("${path}target");
	int count = 0;
	tmp.list(followLinks: true).listen((file) {
	count++;
	Expect.isTrue(file is Directory);
	}, onDone: () {
	Expect.equals(2, count);
	l.deleteSync();
	d.deleteSync();
	tmp.deleteSync();
	});
	}

	static void testCreateTemp() {
	Directory base = new Directory('/tmp');
	String template = 'dart_temp_dir';
	if (base.existsSync()) {
	asyncStart();
	Future.wait([base.createTemp(template), base.createTemp(template)])
	.then((tempDirs) {
	Expect.notEquals(tempDirs[0].path, tempDirs[1].path);
	for (Directory t in tempDirs) {
	Expect.isTrue(t.existsSync());
	t.deleteSync();
	Expect.isFalse(t.existsSync());
	}
	asyncEnd();
	});
	}
	}

	static void testCreateSystemTemp() {
	String template = 'dart_system_temp_dir';
	asyncStart();
	Future.wait([
	Directory.systemTemp.createTemp(template),
	Directory.systemTemp.createTemp(template)
	]).then((tempDirs) {
	Expect.notEquals(tempDirs[0].path, tempDirs[1].path);
	for (Directory t in tempDirs) {
	Expect.isTrue(t.existsSync());
	t.deleteSync();
	Expect.isFalse(t.existsSync());
	}
	asyncEnd();
	});
	}

	static void testCreateDeleteTemp() {
	Directory.systemTemp.createTemp('dart_directory').then((tempDirectory) {
	String filename =
	"${tempDirectory.path}${Platform.pathSeparator}dart_testfile";
	File file = new File(filename);
	Expect.isFalse(file.existsSync());
	file.create().then((ignore) {
	file.exists().then((exists) {
	Expect.isTrue(exists);
	// Try to delete the directory containing the file - should throw.
	Expect.throws(tempDirectory.deleteSync);
	Expect.isTrue(tempDirectory.existsSync());

	// Delete the file, and then delete the directory.
	file.delete().then((ignore) {
	tempDirectory.deleteSync();
	Expect.isFalse(tempDirectory.existsSync());
	});
	});
	});
	});
	}

	static void testCurrent() {
	Directory current = Directory.current;
	if (Platform.operatingSystem != "windows") {
	Expect.equals("/", current.path.substring(0, 1));
	}
	}

	static void testEquals() {
	var name = new File('.').resolveSymbolicLinksSync();
	Directory current1 = new Directory(name);
	Directory current2 = new Directory(name);
	Expect.equals(current1.path, current2.path);
	Expect.isTrue(current1.existsSync());
	}

	static void testMain() {
	testListing();
	testListingTailingPaths();
	testListNonExistent();
	testListTooLongName();
	testDeleteNonExistent();
	testDeleteTooLongName();
	testDeleteNonExistentSync();
	testDeleteTooLongNameSync();
	testExistsCreateDelete();
	testExistsCreateDeleteSync();
	testDeleteLinkSync();
	testDeleteLinkAsFileSync();
	testDeleteBrokenLinkAsFileSync();
	testListBrokenLinkSync();
	testListLinkSync();
	testCreateTemp();
	testCreateSystemTemp();
	testCreateDeleteTemp();
	testCurrent();
	testEquals();
	}
	}

	class NestedTempDirectoryTest {
	List<Directory> createdDirectories;
	Directory current;

	NestedTempDirectoryTest.run() : createdDirectories = new List<Directory>() {
	Directory.systemTemp.createTemp('dart_directory').then(createPhaseCallback);
	}

	void createPhaseCallback(temp) {
	createdDirectories.add(temp);
	int nestingDepth = 6;
	var os = Platform.operatingSystem;
	if (os == "windows") nestingDepth = 2;
	if (createdDirectories.length < nestingDepth) {
	temp
	.createTemp('nested_temp_dir_${createdDirectories.length}_')
	.then(createPhaseCallback);
	} else {
	deletePhaseCallback();
	}
	}

	void deletePhaseCallback() {
	if (!createdDirectories.isEmpty) {
	current = createdDirectories.removeLast();
	current.deleteSync();
	deletePhaseCallback();
	}
	}

	static void testMain() {
	new NestedTempDirectoryTest.run();
	new NestedTempDirectoryTest.run();
	}
	}

	String illegalTempDirectoryLocation() {
	// Determine a platform specific illegal location for a temporary directory.
	var os = Platform.operatingSystem;
	if (os == "linux" \|\| os == "macos") {
	return "/dev/zero/";
	}
	if (os == "windows") {
	return "*";
	}
	return null;
	}

	testCreateTempErrorSync() {
	var location = illegalTempDirectoryLocation();
	if (location != null) {
	Expect.throws(() => new Directory(location).createTempSync('dart_tempdir'),
	(e) => e is FileSystemException);
	}
	}

	testCreateTempError() {
	var location = illegalTempDirectoryLocation();
	if (location == null) return;

	asyncStart();
	var future = new Directory(location).createTemp('dart_tempdir');
	future.catchError((_) => asyncEnd());
	}

	testCreateExistingSync() {
	// Test that creating an existing directory succeeds.
	var temp = Directory.systemTemp.createTempSync('directory_test');
	var subDir = new Directory('${temp.path}/flaf');
	Expect.isFalse(subDir.existsSync());
	subDir.createSync();
	Expect.isTrue(subDir.existsSync());
	subDir.createSync();
	Expect.isTrue(subDir.existsSync());
	temp.deleteSync(recursive: true);
	}

	testCreateExisting() {
	// Test that creating an existing directory succeeds.
	asyncStart();
	Directory.systemTemp.createTemp('dart_directory').then((temp) {
	var subDir = new Directory('${temp.path}/flaf');
	subDir.exists().then((dirExists) {
	Expect.isFalse(dirExists);
	subDir.create().then((_) {
	subDir.exists().then((dirExists) {
	Expect.isTrue(dirExists);
	subDir.create().then((_) {
	subDir.exists().then((dirExists) {
	Expect.isTrue(dirExists);
	temp.delete(recursive: true).then((_) {
	asyncEnd();
	});
	});
	});
	});
	});
	});
	});
	}

	testCreateDirExistingFileSync() {
	// Test that creating an existing directory succeeds.
	var temp = Directory.systemTemp.createTempSync('directory_test');
	var path = '${temp.path}/flaf';
	var file = new File(path);
	file.createSync();
	Expect.isTrue(file.existsSync());
	Expect.throws(
	new Directory(path).createSync, (e) => e is FileSystemException);
	temp.deleteSync(recursive: true);
	}

	testCreateDirExistingFile() {
	// Test that creating an existing directory succeeds.
	asyncStart();
	Directory.systemTemp.createTemp('dart_directory').then((temp) {
	var path = '${temp.path}/flaf';
	var file = new File(path);
	var subDir = new Directory(path);
	file.create().then((_) {
	subDir.create().then((_) {
	Expect.fail("dir create should fail on existing file");
	}).catchError((error) {
	Expect.isTrue(error is FileSystemException);
	temp.delete(recursive: true).then((_) {
	asyncEnd();
	});
	});
	});
	});
	}

	main() {
	DirectoryTest.testMain();
	NestedTempDirectoryTest.testMain();
	testCreateTempErrorSync();
	testCreateTempError();
	testCreateExistingSync();
	testCreateExisting();
	testCreateDirExistingFileSync();
	testCreateDirExistingFile();
	}