Revert "Port regexp tests from V8 to Dart."

tests/corelib/regexp/unicode-handling_test.dart

Index: tests/corelib/regexp/unicode-handling_test.dart
diff --git a/tests/corelib/regexp/unicode-handling_test.dart b/tests/corelib/regexp/unicode-handling_test.dart
deleted file mode 100644
index 8874135dd2afd079ee51854c7d7933e3a54d66c3..0000000000000000000000000000000000000000
--- a/tests/corelib/regexp/unicode-handling_test.dart
+++ /dev/null
@@ -1,75 +0,0 @@
-// Copyright (c) 2014, the Dart project authors. All rights reserved.
-// Copyright 2013 the V8 project authors. All rights reserved.
-// Copyright (C) 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions
-// are met:
-// 1.  Redistributions of source code must retain the above copyright
-//     notice, this list of conditions and the following disclaimer.
-// 2.  Redistributions in binary form must reproduce the above copyright
-//     notice, this list of conditions and the following disclaimer in the
-//     documentation and/or other materials provided with the distribution.
-//
-// THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY
-// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
-// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
-// DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
-// DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
-// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
-// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
-// ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
-// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-import 'v8_regexp_utils.dart';
-import 'package:expect/expect.dart';
-
-void main() {
-  description(
-  'Test for proper handling of Unicode RegExps and <a href="http://bugzilla.webkit.org/show_bug.cgi?id=7445">bug 7445</a>: Gmail puts wrong subject in replies.'
-  );
-
-  // Regex to match Re in various languanges straight from Gmail source
-  var I3=new RegExp(r"^\s*(fwd|re|aw|antw|antwort|wg|sv|ang|odp|betreff|betr|transf|reenv\.|reenv|in|res|resp|resp\.|enc|\u8f6c\u53d1|\u56DE\u590D|\u041F\u0435\u0440\u0435\u0441\u043B|\u041E\u0442\u0432\u0435\u0442):\s*(.*)$", caseSensitive: false);
-
-  // Other RegExs from Gmail source
-  var Ci=new RegExp(r"\s+");
-  var BC=new RegExp(r"^ ");
-  var BG=new RegExp(r" $");
-
-  // This function replaces consecutive whitespace with a single space
-  // then removes a leading and trailing space if they exist. (From Gmail)
-  dynamic Gn(a) {
-      return a.replaceAll(Ci, " ").replaceAll(BC, "").replaceAll(BG, "");
-  }
-
-  // Strips leading Re or similar (from Gmail source)
-  dynamic cy(a) {
-      //var b = I3.firstMatch(a);
-      var b = I3.firstMatch(a);
-
-      if (b != null) {
-          a = b.group(2);
-      }
-
-      return Gn(a);
-  }
-
-  assertEquals(cy('Re: Moose'), 'Moose');
-  assertEquals(cy('\u8f6c\u53d1: Moose'), 'Moose');
-
-  // Test handling of \u2820 (skull and crossbones)
-  var sample="sample bm\u2820p cm\\u2820p";
-
-  var inlineRe=new RegExp(r".m\u2820p");
-  assertEquals(inlineRe.firstMatch(sample).group(0), 'bm\u2820p');
-
-
-  // Test handling of \u007c "|"
-  var bsample="sample bm\u007cp cm\\u007cp";
-
-  var binlineRe=new RegExp(r".m\u007cp");
-
-  assertEquals(binlineRe.firstMatch(bsample).group(0), 'bm|p');
-}