v8/test/mjsunit/regress/regress-2470.js
jwolfe ea96fdec68 Enable --harmony-trailing-commas
Also updated some tests due to the change. The general pattern is when a
trailing comma is expected to cause a SyntaxError, an additional comma was
added.

BUG=v8:5051
CQ_INCLUDE_TRYBOTS=master.tryserver.blink:linux_trusty_blink_rel

Review-Url: https://codereview.chromium.org/2638513002
Cr-Commit-Position: refs/heads/master@{#42826}
2017-01-31 23:30:57 +00:00

50 lines
2.6 KiB
JavaScript

// Copyright 2013 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 whether the opening parenthesis can be eaten up by a comment.
assertThrows('Function("/*", "*/){");', SyntaxError);
// Test whether the function literal can be closed prematurely.
assertThrows('Function("});(function(){");', SyntaxError);
// Test whether block comments are handled correctly.
assertDoesNotThrow('Function("/*", "*/", "/**/");');
assertDoesNotThrow('Function("/*", "a", "*/", "/**/");');
assertDoesNotThrow('Function("a", "/*", "*/", "/**/");');
assertThrows('Function("a", "/*", "*/", "b", "/*", "*/", "/**/");', SyntaxError);
// Test whether line comments are handled correctly.
assertDoesNotThrow('Function("//", "//")');
assertDoesNotThrow('Function("//", "//", "//")');
assertDoesNotThrow('Function("a", "//", "//")');
assertThrows('Function("a", "", "//", "//")', SyntaxError);
// Some embedders rely on the string representation of the resulting
// function in cases where no formal parameters are specified.
var asString = Function("return 23").toString();
assertSame("function anonymous() {\nreturn 23\n}", asString);