var subject = TO_STRING_INLINE(this);
limit = (IS_UNDEFINED(limit)) ? 0xffffffff : TO_UINT32(limit);
- // ECMA-262 says that if separator is undefined, the result should
- // be an array of size 1 containing the entire string.
- if (IS_UNDEFINED(separator)) {
- return [subject];
- }
-
var length = subject.length;
if (!IS_REGEXP(separator)) {
- separator = TO_STRING_INLINE(separator);
+ var separator_string = TO_STRING_INLINE(separator);
if (limit === 0) return [];
- var separator_length = separator.length;
+ // ECMA-262 says that if separator is undefined, the result should
+ // be an array of size 1 containing the entire string.
+ if (IS_UNDEFINED(separator)) return [subject];
+
+ var separator_length = separator_string.length;
// If the separator string is empty then return the elements in the subject.
if (separator_length === 0) return %StringToArray(subject, limit);
- var result = %StringSplit(subject, separator, limit);
+ var result = %StringSplit(subject, separator_string, limit);
return result;
}
--- /dev/null
+// 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.
+
+assertEquals([], "abc".split(undefined, 0));
assertEquals(1, split_chars[i].length);
assertEquals(i, split_chars[i].charCodeAt(0));
}
+
+// Check that the separator is converted to string before returning due to
+// limit == 0.
+var counter = 0;
+var separator = { toString: function() { counter++; return "b"; }};
+assertEquals([], "abc".split(separator, 0));
+assertEquals(1, counter);
+
+// Check that the subject is converted to string before the separator.
+counter = 0;
+var subject = { toString: function() { assertEquals(0, counter);
+ counter++;
+ return "abc"; }};
+separator = { toString: function() { assertEquals(1, counter);
+ counter++;
+ return "b"; }};
+
+assertEquals(["a", "c"], String.prototype.split.call(subject, separator));
+assertEquals(2, counter);