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Unified Diff: tests/corelib/regexp/non-capturing-groups_test.dart

Issue 691473002: Reapply "Port regexp tests from V8 to Dart." (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart
Patch Set: RC and rebase Created 6 years, 2 months ago
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Index: tests/corelib/regexp/non-capturing-groups_test.dart
diff --git a/tests/corelib/regexp/non-capturing-groups_test.dart b/tests/corelib/regexp/non-capturing-groups_test.dart
new file mode 100644
index 0000000000000000000000000000000000000000..a91cdab4895659ccf46d1e5e0f74f2b6e1440ce1
--- /dev/null
+++ b/tests/corelib/regexp/non-capturing-groups_test.dart
@@ -0,0 +1,47 @@
+// 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 behavior of non-capturing groups, as described in <a href="http://blog.stevenlevithan.com/archives/npcg-javascript">' +
+ 'a blog post by Steven Levithan</a> and <a href="http://bugs.webkit.org/show_bug.cgi?id=14931">bug 14931</a>.'
+ );
+
+ shouldBeTrue(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("y".indexOf(new RegExp(r"(x)?\1y")), 0);
+ assertEquals("y".replaceAll(new RegExp(r"(x)?\1y"), "z"), "z");
+ assertEquals("y".replaceAllMapped(new RegExp(r"(x)?y"), (m) => m.group(1)), "null");
+ assertEquals("y".replaceAllMapped(new RegExp(r"(x)?\1y"), (m) => m.group(1)), "null");
+ assertEquals("y".replaceAllMapped(new RegExp(r"(x)?y"), (m) => m.group(1)), "null");
+}
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