// Copyright 2009 the Sputnik authors. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /** * Only Function objects implement [[HasInstance]] and can be proper ShiftExpression for the "instanceof" operator consequently * * @path ch11/11.8/11.8.6/S11.8.6_A6_T4.js * @description Checking if RelationalExpression is object */ MyFunct = function(){}; __my__funct = new MyFunct; //CHECK#1 if (!(__my__funct instanceof MyFunct)){ $ERROR('#1 Only Function objects implement [[HasInstance]] and consequently can be proper ShiftExpression for The instanceof operator'); } //CHECK#2 if (__my__funct instanceof Function){ $ERROR('#2 Only Function objects implement [[HasInstance]] and consequently can be proper ShiftExpression for The instanceof operator'); } //CHECK#3 if (!(__my__funct instanceof Object)){ $ERROR('#3 Only Function objects implement [[HasInstance]] and consequently can be proper ShiftExpression for The instanceof operator'); } //CHECK#4 try{ __my__funct instanceof __my__funct; $ERROR('#4 Only Function objects implement [[HasInstance]] and consequently can be proper ShiftExpression for The instanceof operator'); } catch(e){ if (e instanceof TypeError !== true) { $ERROR('#4 Only Function objects implement [[HasInstance]] and consequently can be proper ShiftExpression for The instanceof operator'); } }