| // 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() { |
| dynamic testForwardSlash(pattern, _string) { |
| var string = _string; |
| |
| var re1 = new RegExp(pattern); |
| |
| return re1.hasMatch(string); |
| } |
| |
| dynamic testLineTerminator(pattern) { |
| var re1 = new RegExp(pattern); |
| |
| return new RegExp(r"\n|\r|\u2028|\u2029").hasMatch(re1.toString()); |
| } |
| |
| // These strings are equivalent, since the '\' is identity escaping the '/' at the string level. |
| shouldBeTrue(testForwardSlash("^/\$", "/")); |
| shouldBeTrue(testForwardSlash("^\/\$", "/")); |
| // This string passes "^\/$" to the RegExp, so the '/' is escaped in the re! |
| shouldBeTrue(testForwardSlash("^\\/\$", "/")); |
| // These strings pass "^\\/$" and "^\\\/$" respectively to the RegExp, giving one '\' to match. |
| shouldBeTrue(testForwardSlash("^\\\\/\$", "\\/")); |
| shouldBeTrue(testForwardSlash("^\\\\\\/\$", "\\/")); |
| // These strings match two backslashes (the second with the '/' escaped). |
| shouldBeTrue(testForwardSlash("^\\\\\\\\/\$", "\\\\/")); |
| shouldBeTrue(testForwardSlash("^\\\\\\\\\\/\$", "\\\\/")); |
| // Test that nothing goes wrongif there are multiple forward slashes! |
| shouldBeTrue(testForwardSlash("x/x/x", "x/x/x")); |
| shouldBeTrue(testForwardSlash("x\\/x/x", "x/x/x")); |
| shouldBeTrue(testForwardSlash("x/x\\/x", "x/x/x")); |
| shouldBeTrue(testForwardSlash("x\\/x\\/x", "x/x/x")); |
| |
| shouldBeFalse(testLineTerminator("\\n")); |
| shouldBeFalse(testLineTerminator("\\\\n")); |
| shouldBeFalse(testLineTerminator("\\r")); |
| shouldBeFalse(testLineTerminator("\\\\r")); |
| shouldBeFalse(testLineTerminator("\\u2028")); |
| shouldBeFalse(testLineTerminator("\\\\u2028")); |
| shouldBeFalse(testLineTerminator("\\u2029")); |
| shouldBeFalse(testLineTerminator("\\\\u2029")); |
| } |