Robert Nystrom
4eda30c5c2
Change-Id: I5bacd28d806661b9190d4b097955263a56f19a4d Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/128110 Auto-Submit: Bob Nystrom <rnystrom@google.com> Reviewed-by: Lasse R.H. Nielsen <lrn@google.com> Commit-Queue: Bob Nystrom <rnystrom@google.com>
69 lines
3.2 KiB
Dart
69 lines
3.2 KiB
Dart
// Copyright (c) 2014, the Dart project authors. All rights reserved.
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// Copyright 2013 the V8 project authors. All rights reserved.
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// Copyright (C) 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions
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// are met:
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// 1. Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// 2. Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the distribution.
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//
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// THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY
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// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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// DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
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// DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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// ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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import 'v8_regexp_utils.dart';
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import 'package:expect/expect.dart';
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void main() {
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dynamic testForwardSlash(pattern, _string) {
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var string = _string;
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var re1 = new RegExp(pattern);
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return re1.hasMatch(string);
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}
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dynamic testLineTerminator(pattern) {
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var re1 = new RegExp(pattern);
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return new RegExp(r"\n|\r|\u2028|\u2029").hasMatch(re1.toString());
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}
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// These strings are equivalent, since the '\' is identity escaping the '/' at the string level.
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shouldBeTrue(testForwardSlash("^/\$", "/"));
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shouldBeTrue(testForwardSlash("^\/\$", "/"));
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// This string passes "^\/$" to the RegExp, so the '/' is escaped in the re!
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shouldBeTrue(testForwardSlash("^\\/\$", "/"));
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// These strings pass "^\\/$" and "^\\\/$" respectively to the RegExp, giving one '\' to match.
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shouldBeTrue(testForwardSlash("^\\\\/\$", "\\/"));
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shouldBeTrue(testForwardSlash("^\\\\\\/\$", "\\/"));
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// These strings match two backslashes (the second with the '/' escaped).
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shouldBeTrue(testForwardSlash("^\\\\\\\\/\$", "\\\\/"));
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shouldBeTrue(testForwardSlash("^\\\\\\\\\\/\$", "\\\\/"));
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// Test that nothing goes wrongif there are multiple forward slashes!
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shouldBeTrue(testForwardSlash("x/x/x", "x/x/x"));
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shouldBeTrue(testForwardSlash("x\\/x/x", "x/x/x"));
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shouldBeTrue(testForwardSlash("x/x\\/x", "x/x/x"));
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shouldBeTrue(testForwardSlash("x\\/x\\/x", "x/x/x"));
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shouldBeFalse(testLineTerminator("\\n"));
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shouldBeFalse(testLineTerminator("\\\\n"));
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shouldBeFalse(testLineTerminator("\\r"));
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shouldBeFalse(testLineTerminator("\\\\r"));
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shouldBeFalse(testLineTerminator("\\u2028"));
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shouldBeFalse(testLineTerminator("\\\\u2028"));
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shouldBeFalse(testLineTerminator("\\u2029"));
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shouldBeFalse(testLineTerminator("\\\\u2029"));
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}
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