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Unified Diff: tests/language/regex/quantified-assertions_test.dart

Issue 539153002: Port and integrate the irregexp engine from V8 (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart
Patch Set: Addressed Ivan's comments. Created 6 years, 2 months ago
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Index: tests/language/regex/quantified-assertions_test.dart
diff --git a/tests/language/regex/quantified-assertions_test.dart b/tests/language/regex/quantified-assertions_test.dart
new file mode 100644
index 0000000000000000000000000000000000000000..a6ba3eab8f79536e2236a632c070364140c47d78
--- /dev/null
+++ b/tests/language/regex/quantified-assertions_test.dart
@@ -0,0 +1,28 @@
+// Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+import 'util.dart';
+import 'package:expect/expect.dart';
+
+void main() {
+ description(
+ "This page tests assertions followed by quantifiers."
+ );
+
+ var regexp;
+
+ regexp = new RegExp(r"(?=a){0}", multiLine: true);
+ shouldBeTrue(regexp.hasMatch('a'));
+
+ regexp = new RegExp(r"(?=a){1}", multiLine: true);
+ shouldBeTrue(regexp.hasMatch('a'));
+
+ regexp = new RegExp(r"(?!a){0}", multiLine: true);
+ shouldBeTrue(regexp.hasMatch('b'));
+
+ regexp = new RegExp(r"(?!a){1}", multiLine: true);
+ shouldBeTrue(regexp.hasMatch('b'));
+
+ shouldBeTrue(new RegExp(r"^(?=a)?b$").hasMatch("b"));
+}
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