Add corelib tests

test/codegen/corelib/regexp/capture_test.dart

Index: test/codegen/corelib/regexp/capture_test.dart
diff --git a/test/codegen/corelib/regexp/capture_test.dart b/test/codegen/corelib/regexp/capture_test.dart
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+++ b/test/codegen/corelib/regexp/capture_test.dart
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+// Copyright (c) 2014, the Dart project authors. All rights reserved.
+// Copyright 2009 the V8 project authors. All rights reserved.
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+//       notice, this list of conditions and the following disclaimer.
+//     * 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.
+//     * Neither the name of Google Inc. nor the names of its
+//       contributors may be used to endorse or promote products derived
+//       from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
+// OWNER OR 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() {
+  // Tests from http://blog.stevenlevithan.com/archives/npcg-javascript
+
+  assertEquals(true, new RegExp(r"(x)?\1y").hasMatch("y"));
+  shouldBe(new RegExp(r"(x)?\1y").firstMatch("y"), ["y", null]);
+  shouldBe(new RegExp(r"(x)?y").firstMatch("y"), ["y", null]);
+  shouldBe(firstMatch("y", new RegExp(r"(x)?\1y")), ["y", null]);
+  shouldBe(firstMatch("y", new RegExp(r"(x)?y")), ["y", null]);
+  shouldBe(firstMatch("y", new RegExp(r"(x)?\1y")), ["y", null]);
+  Expect.listEquals(["", ""], "y".split(new RegExp(r"(x)?\1y")));
+  Expect.listEquals(["", ""], "y".split(new RegExp(r"(x)?y")));
+  assertEquals(0, "y".indexOf(new RegExp(r"(x)?\1y")));
+  assertEquals("z", "y".replaceAll(new RegExp(r"(x)?\1y"), "z"));
+
+  // See https://bugzilla.mozilla.org/show_bug.cgi?id=476146
+  shouldBe(new RegExp(r"^(b+|a){1,2}?bc").firstMatch("bbc"), ["bbc", "b"]);
+  shouldBe(new RegExp(r"((\3|b)\2(a)){2,}").firstMatch("bbaababbabaaaaabbaaaabba"),
+      ["bbaa", "a", "", "a"]);
+
+  // From crbug.com/128821 - don't hang:
+  firstMatch("", new RegExp(r"((a|i|A|I|u|o|U|O)(s|c|b|c|d|f|g|h|j|k|l|m|n|p|q|r|s|t|v|w|x|y|z|B|C|D|F|G|H|J|K|L|M|N|P|Q|R|S|T|V|W|X|Y|Z)*) de\/da([.,!?\s]|$)"));
+}