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:  * Variables are created when the program is entered. Variables are initialised to "undefined"
michael@0:  * when created. A variable with an Initialiser is assigned the value of its AssignmentExpression when the
michael@0:  * VariableStatement is executed, not when the variable is created
michael@0:  *
michael@0:  * @path ch12/12.2/S12.2_A1.js
michael@0:  * @description Creating variables after entering the execution scope
michael@0:  */
michael@0: 
michael@0: //////////////////////////////////////////////////////////////////////////////
michael@0: //CHECK#1
michael@0: try {
michael@0: 	__x = __x;
michael@0:     __y = __x ? "good fellow" : "liar"; // __y assigned to "liar" since __x undefined
michael@0:     __z = __z === __x ? 1 : 0; // __z assigned to 1 since both __x and __z are undefined
michael@0: } catch (e) {
michael@0: 	$ERROR('#1: Using declarated variable before it declaration is admitted');
michael@0: }
michael@0: //
michael@0: //////////////////////////////////////////////////////////////////////////////
michael@0: 
michael@0: //////////////////////////////////////////////////////////////////////////////
michael@0: //CHECK#2
michael@0: try{
michael@0:     __something__undefined = __something__undefined;
michael@0:     $ERROR('#2: "__something__undefined = __something__undefined" lead to throwing exception');
michael@0: } catch(e){
michael@0:     $PRINT(e.message);
michael@0: }
michael@0: //
michael@0: //////////////////////////////////////////////////////////////////////////////
michael@0: 
michael@0: //////////////////////////////////////////////////////////////////////////////
michael@0: //CHECK#3
michael@0: if ((__y !== "liar")&(__z !== 1)) {
michael@0: 	$ERROR('#3: (__y === "liar") and (__z === 1). Actual:  __y ==='+__y+' and __z ==='+__z  );
michael@0: }
michael@0: //
michael@0: //////////////////////////////////////////////////////////////////////////////
michael@0: 
michael@0: var __x, __y = true, __z = __y ? "smeagol" : "golum";
michael@0: 
michael@0: //////////////////////////////////////////////////////////////////////////////
michael@0: //CHECK#4
michael@0: if (!__y&!(__z = "smeagol")) {
michael@0: 	$ERROR('#4: A variable with an Initialiser is assigned the value of its AssignmentExpression when the VariableStatement is executed');
michael@0: }
michael@0: //
michael@0: //////////////////////////////////////////////////////////////////////////////
michael@0: