Reapply "Port regexp tests from V8 to Dart."

tests/corelib/regexp/char-insensitive_test.dart

Index: tests/corelib/regexp/char-insensitive_test.dart
diff --git a/tests/corelib/regexp/char-insensitive_test.dart b/tests/corelib/regexp/char-insensitive_test.dart
new file mode 100644
index 0000000000000000000000000000000000000000..95a550e1f99b412c2880095322c88bb44815f9c1
--- /dev/null
+++ b/tests/corelib/regexp/char-insensitive_test.dart
@@ -0,0 +1,53 @@
+// 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(
+  "This test checks the case-insensitive matching of character literals."
+  );
+
+  shouldBeTrue(new RegExp(r"\u00E5", caseSensitive: false).hasMatch('new RegExp(r"\u00E5")'));
+  shouldBeTrue(new RegExp(r"\u00E5", caseSensitive: false).hasMatch('new RegExp(r"\u00C5")'));
+  shouldBeTrue(new RegExp(r"\u00C5", caseSensitive: false).hasMatch('new RegExp(r"\u00E5")'));
+  shouldBeTrue(new RegExp(r"\u00C5", caseSensitive: false).hasMatch('new RegExp(r"\u00C5")'));
+
+  shouldBeFalse(new RegExp(r"\u00E5", caseSensitive: false).hasMatch('P'));
+  shouldBeFalse(new RegExp(r"\u00E5", caseSensitive: false).hasMatch('PASS'));
+  shouldBeFalse(new RegExp(r"\u00C5", caseSensitive: false).hasMatch('P'));
+  shouldBeFalse(new RegExp(r"\u00C5", caseSensitive: false).hasMatch('PASS'));
+
+  shouldBeNull(firstMatch('PASS', new RegExp(r"\u00C5", caseSensitive: false)));
+  shouldBeNull(firstMatch('PASS', new RegExp(r"\u00C5", caseSensitive: false)));
+
+  assertEquals('PAS\u00E5'.replaceAll(new RegExp(r"\u00E5", caseSensitive: false), 'S'), 'PASS');
+  assertEquals('PAS\u00E5'.replaceAll(new RegExp(r"\u00C5", caseSensitive: false), 'S'), 'PASS');
+  assertEquals('PAS\u00C5'.replaceAll(new RegExp(r"\u00E5", caseSensitive: false), 'S'), 'PASS');
+  assertEquals('PAS\u00C5'.replaceAll(new RegExp(r"\u00C5", caseSensitive: false), 'S'), 'PASS');
+
+  assertEquals('PASS'.replaceAll(new RegExp(r"\u00E5", caseSensitive: false), '%C3%A5'), 'PASS');
+  assertEquals('PASS'.replaceAll(new RegExp(r"\u00C5", caseSensitive: false), '%C3%A5'), 'PASS');
+}