test262/test/language/statements/function/S13_A17_T2.js

// Copyright 2009 the Sputnik authors.  All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.

/*---
info: |
    Function call cannot appear in the program before the FunctionExpression
    appears
es5id: 13_A17_T2
description: >
    Trying to call a function before the FunctionExpression appears
    and then using the FunctionExpression one more time
---*/

//////////////////////////////////////////////////////////////////////////////
//CHECK#1
try{
    var __result = __func();
	throw new Test262Error("#1: var __result = __func() lead to throwing exception");
} catch(e) {
  if ((e instanceof TypeError) !== true) {
    throw new Test262Error('#1.2: func should throw a TypeError  Actual: ' + (e));  
  }
}
//
//////////////////////////////////////////////////////////////////////////////

// now we reach the __func overwriting by new expression
var __func = function __func(){return "ONE";};

//////////////////////////////////////////////////////////////////////////////
//CHECK#2
var __result = __func();
if (__result !== "ONE") {
	throw new Test262Error('#2: __result === "ONE". Actual: __result ==='+__result);
}
//
//////////////////////////////////////////////////////////////////////////////

__func = function __func(){return "TWO";};

//////////////////////////////////////////////////////////////////////////////
//CHECK#3
var __result = __func();
if (__result !== "TWO") {
	throw new Test262Error('#3: __result === "TWO". Actual: __result ==='+__result);
}
//
//////////////////////////////////////////////////////////////////////////////