Cautionary tale about optimizing path manipulation.

sdk/lib/_internal/pub/test/build/ignores_existing_compiled_js_files_test.dart

Index: sdk/lib/_internal/pub/test/build/ignores_existing_compiled_js_files_test.dart
diff --git a/sdk/lib/_internal/pub/test/build/ignores_existing_compiled_js_files_test.dart b/sdk/lib/_internal/pub/test/build/ignores_existing_compiled_js_files_test.dart
deleted file mode 100644
index 56d544a55d111ab0d89194a2a4bf0bdf0920b063..0000000000000000000000000000000000000000
--- a/sdk/lib/_internal/pub/test/build/ignores_existing_compiled_js_files_test.dart
+++ /dev/null
@@ -1,54 +0,0 @@
-// Copyright (c) 2013, 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.
-
-import 'package:scheduled_test/scheduled_test.dart';
-
-import '../descriptor.dart' as d;
-import '../test_pub.dart';
-
-main() {
-  initConfig();
-
-  integration("ignores existing JS files that were compiled to Dart", () {
-    // Dart2js can take a long time to compile dart code, so we increase the
-    // timeout to cope with that.
-    currentSchedule.timeout *= 3;
-
-    d.dir(appPath, [
-      d.appPubspec(),
-      d.dir('web', [
-        d.file('file.dart', 'void main() => print("hello");'),
-        d.file('file.dart.js', 'some js code'),
-        d.file('file.dart.js.map', 'source map'),
-        d.file('file.dart.precompiled.js', 'some js code'),
-        d.dir('subdir', [
-          d.file('subfile.dart', 'void main() => print("ping");'),
-          d.file('subfile.dart.js', 'some js code'),
-          d.file('subfile.dart.js.map', 'source map'),
-          d.file('subfile.dart.precompiled.js', 'some js code')
-        ])
-      ])
-    ]).create();
-
-    schedulePub(args: ["build", "--mode", "debug"],
-        output: new RegExp(r'Built \d+ files to "build".'));
-
-    d.dir(appPath, [
-      d.dir('build', [
-        d.dir('web', [
-          d.matcherFile('file.dart.js', isNot(equals('some js code'))),
-          d.matcherFile('file.dart.js.map', isNot(equals('source map'))),
-          d.matcherFile('file.dart.precompiled.js',
-                        isNot(equals('some js code'))),
-          d.dir('subdir', [
-            d.matcherFile('subfile.dart.js', isNot(equals('some js code'))),
-            d.matcherFile('subfile.dart.js.map', isNot(equals('source map'))),
-            d.matcherFile('subfile.dart.precompiled.js',
-                          isNot(equals('some js code')))
-          ])
-        ])
-      ])
-    ]).validate();
-  });
-}