js/src/tests/test262/built-ins/String/prototype/concat/S15.5.4.6_A1_T4.js


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19

// Copyright 2009 the Sputnik authors.  All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.

/*---
info: String.prototype.concat([,[...]])
es5id: 15.5.4.6_A1_T4
description: Call concat([,[...]]) function without argument of string object
---*/

//////////////////////////////////////////////////////////////////////////////
//CHECK#1
//since ToString() evaluates to "" concat() evaluates to concat("")
if ("lego".concat() !== "lego") {
  throw new Test262Error('#1: "lego".concat() === "lego". Actual: ' + ("lego".concat()));
}
//
//////////////////////////////////////////////////////////////////////////////

reportCompare(0, 0);