mirror of
https://github.com/dart-lang/sdk
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c28419bce0
I had to weaken file system createDirectory() to avoid conflicts when we re-create SDK, and attempt to re-recreate its directory. R=ahe@google.com, paulberry@google.com, sigmund@google.com BUG= Review-Url: https://codereview.chromium.org/2993093003 .
310 lines
9 KiB
Dart
310 lines
9 KiB
Dart
// Copyright (c) 2016, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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// SharedOptions=--supermixin
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library front_end.test.memory_file_system_test;
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import 'dart:convert';
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import 'dart:io' as io;
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import 'package:front_end/file_system.dart' show FileSystemException;
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import 'package:front_end/memory_file_system.dart';
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import 'package:path/path.dart' as pathos;
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import 'package:test/test.dart';
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import 'package:test_reflective_loader/test_reflective_loader.dart';
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main() {
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defineReflectiveSuite(() {
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defineReflectiveTests(MemoryFileSystemTestNative);
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defineReflectiveTests(MemoryFileSystemTestPosix);
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defineReflectiveTests(MemoryFileSystemTestWindows);
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defineReflectiveTests(FileTest);
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});
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}
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const Matcher _throwsFileSystemException =
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const Throws(const isInstanceOf<FileSystemException>());
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@reflectiveTest
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class FileTest extends _BaseTestNative {
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String path;
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MemoryFileSystemEntity file;
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setUp() {
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super.setUp();
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path = join(tempPath, 'file.txt');
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file = entityForPath(path);
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}
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test_createDirectory_doesNotExist() async {
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file.createDirectory();
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expect(await file.exists(), true);
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}
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test_createDirectory_exists_asDirectory() async {
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file.createDirectory();
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file.createDirectory();
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expect(await file.exists(), true);
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}
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test_createDirectory_exists_asFile() async {
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file.writeAsStringSync('');
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expect(() => file.createDirectory(), _throwsFileSystemException);
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}
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test_equals_differentPaths() {
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expect(file == entityForPath(join(tempPath, 'file2.txt')), isFalse);
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}
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test_equals_samePath() {
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expect(file == entityForPath(join(tempPath, 'file.txt')), isTrue);
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}
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test_exists_directory_exists() async {
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file.createDirectory();
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expect(await file.exists(), true);
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}
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test_exists_doesNotExist() async {
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expect(await file.exists(), false);
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}
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test_exists_file_exists() async {
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file.writeAsStringSync('x');
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expect(await file.exists(), true);
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}
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test_hashCode_samePath() {
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expect(file.hashCode, entityForPath(join(tempPath, 'file.txt')).hashCode);
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}
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test_path() {
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expect(file.uri, context.toUri(path));
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}
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test_readAsBytes_badUtf8() async {
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// A file containing invalid UTF-8 can still be read as raw bytes.
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List<int> bytes = [0xc0, 0x40]; // Invalid UTF-8
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file.writeAsBytesSync(bytes);
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expect(await file.readAsBytes(), bytes);
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}
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test_readAsBytes_doesNotExist() {
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expect(file.readAsBytes(), _throwsFileSystemException);
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}
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test_readAsBytes_exists() async {
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var s = 'contents';
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file.writeAsStringSync(s);
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expect(await file.readAsBytes(), UTF8.encode(s));
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}
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test_readAsString_badUtf8() {
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file.writeAsBytesSync([0xc0, 0x40]); // Invalid UTF-8
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expect(file.readAsString(), _throwsFileSystemException);
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}
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test_readAsString_doesNotExist() {
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expect(file.readAsString(), _throwsFileSystemException);
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}
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test_readAsString_exists() async {
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var s = 'contents';
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file.writeAsStringSync(s);
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expect(await file.readAsString(), s);
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}
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test_readAsString_utf8() async {
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file.writeAsBytesSync([0xe2, 0x82, 0xac]); // Unicode € symbol, in UTF-8
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expect(await file.readAsString(), '\u20ac');
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}
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test_writeAsBytesSync_directory() async {
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file.createDirectory();
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expect(() => file.writeAsBytesSync([0]), _throwsFileSystemException);
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}
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test_writeAsBytesSync_modifyAfterRead() async {
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file.writeAsBytesSync([1]);
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(await file.readAsBytes())[0] = 2;
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expect(await file.readAsBytes(), [1]);
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}
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test_writeAsBytesSync_modifyAfterWrite() async {
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var bytes = [1];
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file.writeAsBytesSync(bytes);
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bytes[0] = 2;
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expect(await file.readAsBytes(), [1]);
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}
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test_writeAsBytesSync_overwrite() async {
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file.writeAsBytesSync([1]);
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file.writeAsBytesSync([2]);
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expect(await file.readAsBytes(), [2]);
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}
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test_writeAsStringSync_directory() async {
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file.createDirectory();
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expect(() => file.writeAsStringSync(''), _throwsFileSystemException);
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}
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test_writeAsStringSync_overwrite() async {
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file.writeAsStringSync('first');
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file.writeAsStringSync('second');
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expect(await file.readAsString(), 'second');
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}
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test_writeAsStringSync_utf8() async {
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file.writeAsStringSync('\u20ac'); // Unicode € symbol
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expect(await file.readAsBytes(), [0xe2, 0x82, 0xac]);
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}
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}
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abstract class MemoryFileSystemTestMixin extends _BaseTest {
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Uri tempUri;
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setUp() {
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super.setUp();
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tempUri = context.toUri(tempPath);
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}
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test_currentDirectory_trailingSlash() {
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// The currentDirectory should already end in a trailing slash.
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expect(fileSystem.currentDirectory.path, endsWith('/'));
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// A trailing slash should automatically be appended when creating a
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// MemoryFileSystem.
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var path = fileSystem.currentDirectory.path;
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var currentDirectoryWithoutSlash = fileSystem.currentDirectory
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.replace(path: path.substring(0, path.length - 1));
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expect(new MemoryFileSystem(currentDirectoryWithoutSlash).currentDirectory,
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fileSystem.currentDirectory);
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// If the currentDirectory supplied to the MemoryFileSystem constructor
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// already has a trailing slash, no further trailing slash should be added.
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expect(new MemoryFileSystem(fileSystem.currentDirectory).currentDirectory,
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fileSystem.currentDirectory);
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}
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test_entityForPath_absolutize() {
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expect(entityForPath('file.txt').uri,
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fileSystem.currentDirectory.resolve('file.txt'));
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}
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test_entityForPath_normalize_dot() {
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expect(entityForPath(join(tempPath, '.', 'file.txt')).uri,
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Uri.parse('$tempUri/file.txt'));
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}
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test_entityForPath_normalize_dotDot() {
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expect(entityForPath(join(tempPath, 'foo', '..', 'file.txt')).uri,
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Uri.parse('$tempUri/file.txt'));
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}
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test_entityForUri() {
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expect(fileSystem.entityForUri(Uri.parse('$tempUri/file.txt')).uri,
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Uri.parse('$tempUri/file.txt'));
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}
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test_entityForUri_fileUri_relative() {
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// A weird quirk of the Uri class is that it doesn't seem possible to create
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// a `file:` uri with a relative path, no matter how many slashes you use or
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// if you populate the fields directly. But just to be certain, try to do
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// so, and make that `file:` uris with relative paths are rejected.
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for (var uri in <Uri>[
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new Uri(scheme: 'file', path: 'file.txt'),
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Uri.parse('file:file.txt'),
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Uri.parse('file:/file.txt'),
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Uri.parse('file://file.txt'),
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Uri.parse('file:///file.txt')
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]) {
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if (!uri.path.startsWith('/')) {
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expect(() => fileSystem.entityForUri(uri),
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throwsA(new isInstanceOf<Error>()));
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}
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}
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}
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test_entityForUri_nonFileUri() {
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var uri = Uri.parse('package:foo/bar.dart');
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expect(fileSystem.entityForUri(uri).uri, uri);
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}
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test_entityForUri_normalize_dot() {
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expect(fileSystem.entityForUri(Uri.parse('$tempUri/./file.txt')).uri,
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Uri.parse('$tempUri/file.txt'));
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}
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test_entityForUri_normalize_dotDot() {
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expect(fileSystem.entityForUri(Uri.parse('$tempUri/foo/../file.txt')).uri,
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Uri.parse('$tempUri/file.txt'));
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}
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}
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@reflectiveTest
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class MemoryFileSystemTestNative extends _BaseTestNative
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with MemoryFileSystemTestMixin {}
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@reflectiveTest
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class MemoryFileSystemTestPosix extends _BaseTestPosix
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with MemoryFileSystemTestMixin {}
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@reflectiveTest
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class MemoryFileSystemTestWindows extends _BaseTestWindows
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with MemoryFileSystemTestMixin {}
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abstract class _BaseTest {
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pathos.Context get context;
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MemoryFileSystem get fileSystem;
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String get tempPath;
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MemoryFileSystemEntity entityForPath(String path) =>
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fileSystem.entityForUri(context.toUri(path));
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String join(String path1, String path2, [String path3, String path4]);
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void setUp();
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}
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class _BaseTestNative extends _BaseTest {
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final pathos.Context context = pathos.context;
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MemoryFileSystem fileSystem;
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String tempPath;
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String join(String path1, String path2, [String path3, String path4]) =>
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pathos.join(path1, path2, path3, path4);
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setUp() {
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tempPath = pathos.join(io.Directory.systemTemp.path, 'test_file_system');
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fileSystem = new MemoryFileSystem(pathos.toUri(io.Directory.current.path));
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}
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}
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class _BaseTestPosix extends _BaseTest {
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final pathos.Context context = pathos.posix;
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MemoryFileSystem fileSystem;
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String tempPath;
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String join(String path1, String path2, [String path3, String path4]) =>
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pathos.posix.join(path1, path2, path3, path4);
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void setUp() {
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tempPath = '/test_file_system';
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fileSystem = new MemoryFileSystem(Uri.parse('file:///cwd'));
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}
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}
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class _BaseTestWindows extends _BaseTest {
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final pathos.Context context = pathos.windows;
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MemoryFileSystem fileSystem;
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String tempPath;
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String join(String path1, String path2, [String path3, String path4]) =>
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pathos.windows.join(path1, path2, path3, path4);
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void setUp() {
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tempPath = r'c:\test_file_system';
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fileSystem = new MemoryFileSystem(Uri.parse('file:///c:/cwd'));
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}
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}
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