keith_miller@apple.com | bcc77f2 | 2016-07-15 06:03:25 +0000 | [diff] [blame] | 1 | // Copyright 2009 the Sputnik authors. All rights reserved. |
| 2 | // This code is governed by the BSD license found in the LICENSE file. |
| 3 | |
| 4 | /*--- |
| 5 | info: > |
| 6 | Variables are created when the program is entered. Variables are initialised to "undefined" |
| 7 | when created. A variable with an Initialiser is assigned the value of its AssignmentExpression when the |
| 8 | VariableStatement is executed, not when the variable is created |
| 9 | es5id: 12.2_A1 |
| 10 | description: Creating variables after entering the execution scope |
| 11 | ---*/ |
| 12 | |
| 13 | ////////////////////////////////////////////////////////////////////////////// |
| 14 | //CHECK#1 |
| 15 | try { |
| 16 | __x = __x; |
| 17 | __y = __x ? "good fellow" : "liar"; // __y assigned to "liar" since __x undefined |
| 18 | __z = __z === __x ? 1 : 0; // __z assigned to 1 since both __x and __z are undefined |
| 19 | } catch (e) { |
| 20 | $ERROR('#1: Using declarated variable before it declaration is admitted'); |
| 21 | } |
| 22 | // |
| 23 | ////////////////////////////////////////////////////////////////////////////// |
| 24 | |
| 25 | ////////////////////////////////////////////////////////////////////////////// |
| 26 | //CHECK#2 |
| 27 | assert.throws(ReferenceError, function() { |
| 28 | __something__undefined = __something__undefined; |
| 29 | }); |
| 30 | // |
| 31 | ////////////////////////////////////////////////////////////////////////////// |
| 32 | |
| 33 | ////////////////////////////////////////////////////////////////////////////// |
| 34 | //CHECK#3 |
| 35 | if ((__y !== "liar")&(__z !== 1)) { |
| 36 | $ERROR('#3: (__y === "liar") and (__z === 1). Actual: __y ==='+__y+' and __z ==='+__z ); |
| 37 | } |
| 38 | // |
| 39 | ////////////////////////////////////////////////////////////////////////////// |
| 40 | |
| 41 | var __x, __y = true, __z = __y ? "smeagol" : "golum"; |
| 42 | |
| 43 | ////////////////////////////////////////////////////////////////////////////// |
| 44 | //CHECK#4 |
| 45 | if (!__y&!(__z = "smeagol")) { |
| 46 | $ERROR('#4: A variable with an Initialiser is assigned the value of its AssignmentExpression when the VariableStatement is executed'); |
| 47 | } |
| 48 | // |
| 49 | ////////////////////////////////////////////////////////////////////////////// |