michael@0: // Copyright 2009 the Sputnik authors.  All rights reserved.
michael@0: // This code is governed by the BSD license found in the LICENSE file.
michael@0: 
michael@0: /**
michael@0:  * 0, null, undefined, false, empty string, NaN in expression is evaluated to false
michael@0:  *
michael@0:  * @path ch12/12.5/S12.5_A1.1_T2.js
michael@0:  * @description Using "if/else" construction
michael@0:  */
michael@0: 
michael@0: var c=0;
michael@0: //////////////////////////////////////////////////////////////////////////////
michael@0: //CHECK#1
michael@0: if(0)
michael@0: 	$ERROR('#1.1: 0 in expression is evaluated to false ');
michael@0: else
michael@0:   c++;
michael@0: if (c!=1) $ERROR('#1.2: else branch don`t execute');
michael@0: //
michael@0: //////////////////////////////////////////////////////////////////////////////
michael@0: 
michael@0: //////////////////////////////////////////////////////////////////////////////
michael@0: //CHECK#2
michael@0: if(false)
michael@0:     $ERROR('#2.1: false in expression is evaluated to false ');
michael@0: else
michael@0:   c++;
michael@0: if (c!=2) $ERROR('#2.2: else branch don`t execute');
michael@0: //
michael@0: //////////////////////////////////////////////////////////////////////////////
michael@0: 
michael@0: //////////////////////////////////////////////////////////////////////////////
michael@0: //CHECK#3
michael@0: if(null)
michael@0: 	$ERROR('#3.1: null in expression is evaluated to false ');
michael@0: else
michael@0:   c++;
michael@0: if (c!=3) $ERROR('#3.2: else branch don`t execute');
michael@0: //
michael@0: //////////////////////////////////////////////////////////////////////////////
michael@0: 
michael@0: //////////////////////////////////////////////////////////////////////////////
michael@0: //CHECK#4
michael@0: if(undefined)
michael@0: 	$ERROR('#4.1: undefined in expression is evaluated to false ');
michael@0: else
michael@0:   c++;
michael@0: if (c!=4) $ERROR('#4.2: else branch don`t execute');
michael@0: //
michael@0: //////////////////////////////////////////////////////////////////////////////
michael@0: 
michael@0: //////////////////////////////////////////////////////////////////////////////
michael@0: //CHECK#5
michael@0: if("")
michael@0:     $ERROR('#5.1: empty string in expression is evaluated to false ');
michael@0: else
michael@0:   c++;
michael@0: if (c!=5) $ERROR('#5.2: else branch don`t execute');
michael@0: //
michael@0: //////////////////////////////////////////////////////////////////////////////
michael@0: 
michael@0: //////////////////////////////////////////////////////////////////////////////
michael@0: //CHECK#6
michael@0: if(NaN)
michael@0:     $ERROR('#6.1: NaN in expression is evaluated to false ');
michael@0: else
michael@0:   c++;
michael@0: if (c!=6) $ERROR('#6.2: else branch don`t execute');
michael@0: //
michael@0: //////////////////////////////////////////////////////////////////////////////
michael@0: