Revert "Port regexp tests from V8 to Dart."

tests/corelib/regexp/no-extensions_test.dart

Index: tests/corelib/regexp/no-extensions_test.dart
diff --git a/tests/corelib/regexp/no-extensions_test.dart b/tests/corelib/regexp/no-extensions_test.dart
deleted file mode 100644
index 8d2564b6cbec825353dc5fcdbfed4d2e98f7619e..0000000000000000000000000000000000000000
--- a/tests/corelib/regexp/no-extensions_test.dart
+++ /dev/null
@@ -1,69 +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(
-  'Tests that regular expressions do not have extensions that diverge from the JavaScript specification. '
-  + 'Because WebKit originally used a copy of PCRE, various non-JavaScript regular expression features were historically present. '
-  + 'Also tests various related edge cases.'
-  );
-
-  shouldBeNull(new RegExp(r"\\x{41}").firstMatch("yA1"));
-  assertEquals(new RegExp(r"[\x{41}]").firstMatch("yA1").group(0), "1");
-  assertEquals(new RegExp(r"\x1g").firstMatch("x1g").group(0), "x1g");
-  assertEquals(new RegExp(r"[\x1g]").firstMatch("x").group(0), "x");
-  assertEquals(new RegExp(r"[\x1g]").firstMatch("1").group(0), "1");
-  assertEquals(new RegExp(r"\2147483648").firstMatch(new String.fromCharCode(140) + "7483648").group(0), new String.fromCharCode(140) + "7483648");
-  assertEquals(new RegExp(r"\4294967296").firstMatch("\"94967296").group(0), "\"94967296");
-  assertEquals(new RegExp(r"\8589934592").firstMatch("\8589934592").group(0), "\8589934592");
-  assertEquals("\nAbc\n".replaceAllMapped(new RegExp(r"(\n)[^\n]+$"), (m) => m.group(1)), "\nAbc\n");
-  shouldBeNull(new RegExp(r"x$").firstMatch("x\n"));
-  assertThrows(() => new RegExp(r"x++"));
-  shouldBeNull(new RegExp(r"[]]").firstMatch("]"));
-
-  assertEquals(new RegExp(r"\060").firstMatch("y01").group(0), "0");
-  assertEquals(new RegExp(r"[\060]").firstMatch("y01").group(0), "0");
-  assertEquals(new RegExp(r"\606").firstMatch("y06").group(0), "06");
-  assertEquals(new RegExp(r"[\606]").firstMatch("y06").group(0), "0");
-  assertEquals(new RegExp(r"[\606]").firstMatch("y6").group(0), "6");
-  assertEquals(new RegExp(r"\101").firstMatch("yA1").group(0), "A");
-  assertEquals(new RegExp(r"[\101]").firstMatch("yA1").group(0), "A");
-  assertEquals(new RegExp(r"\1011").firstMatch("yA1").group(0), "A1");
-  assertEquals(new RegExp(r"[\1011]").firstMatch("yA1").group(0), "A");
-  assertEquals(new RegExp(r"[\1011]").firstMatch("y1").group(0), "1");
-  assertEquals(new RegExp(r"\10q").firstMatch("y" + new String.fromCharCode(8) + "q").group(0), new String.fromCharCode(8) + "q");
-  assertEquals(new RegExp(r"[\10q]").firstMatch("y" + new String.fromCharCode(8) + "q").group(0), new String.fromCharCode(8));
-  assertEquals(new RegExp(r"\1q").firstMatch("y" + new String.fromCharCode(1) + "q").group(0), new String.fromCharCode(1) + "q");
-  assertEquals(new RegExp(r"[\1q]").firstMatch("y" + new String.fromCharCode(1) + "q").group(0), new String.fromCharCode(1));
-  assertEquals(new RegExp(r"[\1q]").firstMatch("yq").group(0), "q");
-  assertEquals(new RegExp(r"\8q").firstMatch("\8q").group(0), "\8q");
-  assertEquals(new RegExp(r"[\8q]").firstMatch("y8q").group(0), "8");
-  assertEquals(new RegExp(r"[\8q]").firstMatch("yq").group(0), "q");
-  shouldBe(new RegExp(r"(x)\1q").firstMatch("xxq"), ["xxq", "x"]);
-  shouldBe(new RegExp(r"(x)[\1q]").firstMatch("xxq"), ["xq", "x"]);
-  shouldBe(new RegExp(r"(x)[\1q]").firstMatch("xx" + new String.fromCharCode(1)), ["x" + new String.fromCharCode(1), "x"]);
-}