1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/js/src/tests/test262/ch12/12.9/S12.9_A4.js Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,28 @@
1.4 +// Copyright 2009 the Sputnik authors. All rights reserved.
1.5 +// This code is governed by the BSD license found in the LICENSE file.
1.6 +
1.7 +/**
1.8 + * The production ReturnStatement : return Expression; is evaluated as:
1.9 + * i) Evaluate Expression.
1.10 + * ii) Call GetValue(Result(2)).
1.11 + * iii) Return (return, Result(3), empty)
1.12 + *
1.13 + * @path ch12/12.9/S12.9_A4.js
1.14 + * @description Return very sophisticated expression and function
1.15 + */
1.16 +
1.17 +// second derivative
1.18 +function DD_operator(f, delta){return function(x){return (f(x+delta)-2*f(x)+f(x-delta))/(delta*delta)};}
1.19 +
1.20 +DDsin = DD_operator(Math.sin, 0.00001);
1.21 +
1.22 +
1.23 +//////////////////////////////////////////////////////////////////////////////
1.24 +//CHECK#1
1.25 +// ((sin(x))')' = -sin(x)
1.26 +if (DDsin( Math.PI/2 ) + Math.sin( Math.PI/2 ) > 0.00001) {
1.27 + $ERROR('#1: return Expression yields to Return (return, GetValue(Evaluate Expression), empty)');
1.28 +}
1.29 +//
1.30 +//////////////////////////////////////////////////////////////////////////////
1.31 +
