v8/test/mjsunit/newline-in-string.js
Daniel Vogelheim 07b958fae5 [parser] Fix parsing of escaped line terminator sequences.
R=marja@chromium.org
CC=adamk@chromium.org
Bug=v8:6401

Change-Id: Iac47c149d8c9136f4d0f5ef9844d2eaa95c2e497
Reviewed-on: https://chromium-review.googlesource.com/508696
Commit-Queue: Daniel Vogelheim <vogelheim@chromium.org>
Reviewed-by: Marja Hölttä <marja@chromium.org>
Cr-Commit-Position: refs/heads/master@{#45741}
2017-06-06 17:07:52 +00:00

49 lines
2.2 KiB
JavaScript

// Copyright 2008 the V8 project authors. All rights reserved.
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * 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.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
// OWNER OR 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.
// Test multiline string literal.
var str = 'asdf\
\nasdf\
\rasdf\
\tasdf\
\\\
\
';
assertEquals('asdf\nasdf\rasdf\tasdf\\', str);
// Allow escaped CR+LF in multiline string literals.
var code = "'asdf\\" + String.fromCharCode(0xD) + String.fromCharCode(0xA) + "asdf'";
assertEquals("asdfasdf", eval(code));
// Allow individually escaped LF+CR in multiline string literals.
code = "'asdf\\" + String.fromCharCode(0xA) + "\\" + String.fromCharCode(0xD) + "asdf'";
assertEquals("asdfasdf", eval(code));
// Do not allow LF+CR in multiline string literals. (crbug.com/v8/6401)
code = "'asdf\\" + String.fromCharCode(0xA) + String.fromCharCode(0xD) + "asdf'";
assertThrows(code);