The Tor Browser: js/src/tests/ecma_5/misc/function-definition-evaluate.js@6474c204b198 (annotated)

js/src/tests/ecma_5/misc/function-definition-evaluate.js@6474c204b198 (annotated)

js/src/tests/ecma_5/misc/function-definition-evaluate.js

Wed, 31 Dec 2014 06:09:35 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Wed, 31 Dec 2014 06:09:35 +0100
changeset 0: 6474c204b198
permissions: -rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

 // |reftest| skip-if(!xulRuntime.shell) -- needs evaluate()
 /*
  * Any copyright is dedicated to the Public Domain.
  * http://creativecommons.org/licenses/publicdomain/
  */
 //-----------------------------------------------------------------------------
 var BUGNUMBER = 577325;
 var summary = 'Implement the ES5 algorithm for processing function statements';
 print(BUGNUMBER + ": " + summary);
 /**************
  * BEGIN TEST *
  **************/
 var outer, desc;
 ///////////////////////////////////////////////////
 // Function definitions over accessor properties //
 ///////////////////////////////////////////////////
 var getCalled, setCalled;
 // configurable properties get blown away
 getCalled = false, setCalled = false;
 Object.defineProperty(this, "acc1",
                       {
                         get: function() { getCalled = true; throw "FAIL get 1"; },
                         set: function(v) { setCalled = true; throw "FAIL set 1 " + v; },
                         configurable: true,
                         enumerable: false
                       });
 // does not throw
 outer = undefined;
 evaluate("function acc1() { throw 'FAIL redefined 1'; } outer = acc1;");
 assertEq(getCalled, false);
 assertEq(setCalled, false);
 assertEq(typeof acc1, "function");
 assertEq(acc1, outer);
 desc = Object.getOwnPropertyDescriptor(this, "acc1");
 assertEq(desc.value, acc1);
 assertEq(desc.writable, true);
 assertEq(desc.enumerable, true);
 assertEq(desc.configurable, false);
 getCalled = false, setCalled = false;
 Object.defineProperty(this, "acc2",
                       {
                         get: function() { getCalled = true; throw "FAIL get 2"; },
                         set: function(v) { setCalled = true; throw "FAIL set 2 " + v; },
                         configurable: true,
                         enumerable: true
                       });
 // does not throw
 outer = undefined;
 evaluate("function acc2() { throw 'FAIL redefined 2'; } outer = acc2;");
 assertEq(getCalled, false);
 assertEq(setCalled, false);
 assertEq(typeof acc2, "function");
 assertEq(acc2, outer);
 desc = Object.getOwnPropertyDescriptor(this, "acc2");
 assertEq(desc.value, acc2);
 assertEq(desc.writable, true);
 assertEq(desc.enumerable, true);
 assertEq(desc.configurable, false);
 // non-configurable properties produce a TypeError
 getCalled = false, setCalled = false;
 Object.defineProperty(this, "acc3",
                       {
                         get: function() { getCalled = true; throw "FAIL get 3"; },
                         set: function(v) { setCalled = true; throw "FAIL set 3 " + v; },
                         configurable: false,
                         enumerable: true
                       });
 outer = undefined;
 try
 {
   evaluate("function acc3() { throw 'FAIL redefined 3'; }; outer = acc3");
   throw new Error("should have thrown trying to redefine global function " +
                   "over a non-configurable, enumerable accessor");
 }
 catch (e)
 {
   assertEq(e instanceof TypeError, true,
            "global function definition, when that function would overwrite " +
            "a non-configurable, enumerable accessor, must throw a TypeError " +
            "per ES5+errata: " + e);
   desc = Object.getOwnPropertyDescriptor(this, "acc3");
   assertEq(typeof desc.get, "function");
   assertEq(typeof desc.set, "function");
   assertEq(desc.enumerable, true);
   assertEq(desc.configurable, false);
   assertEq(outer, undefined);
   assertEq(getCalled, false);
   assertEq(setCalled, false);
 }
 getCalled = false, setCalled = false;
 Object.defineProperty(this, "acc4",
                       {
                         get: function() { getCalled = true; throw "FAIL get 4"; },
                         set: function(v) { setCalled = true; throw "FAIL set 4 " + v; },
                         configurable: false,
                         enumerable: false
                       });
 outer = undefined;
 try
 {
   evaluate("function acc4() { throw 'FAIL redefined 4'; }; outer = acc4");
   throw new Error("should have thrown trying to redefine global function " +
                   "over a non-configurable, non-enumerable accessor");
 }
 catch (e)
 {
   assertEq(e instanceof TypeError, true,
            "global function definition, when that function would overwrite " +
            "a non-configurable, non-enumerable accessor, must throw a " +
            "TypeError per ES5+errata: " + e);
   desc = Object.getOwnPropertyDescriptor(this, "acc4");
   assertEq(typeof desc.get, "function");
   assertEq(typeof desc.set, "function");
   assertEq(desc.enumerable, false);
   assertEq(desc.configurable, false);
   assertEq(outer, undefined);
   assertEq(getCalled, false);
   assertEq(setCalled, false);
 }
 ///////////////////////////////////////////////
 // Function definitions over data properties //
 ///////////////////////////////////////////////
 // configurable properties, regardless of other attributes, get blown away
 Object.defineProperty(this, "data1",
                       {
                         configurable: true,
                         enumerable: true,
                         writable: true,
                         value: "data1"
                       });
 outer = undefined;
 evaluate("function data1() { return 'data1 function'; } outer = data1;");
 assertEq(typeof data1, "function");
 assertEq(data1, outer);
 desc = Object.getOwnPropertyDescriptor(this, "data1");
 assertEq(desc.configurable, false);
 assertEq(desc.enumerable, true);
 assertEq(desc.writable, true);
 assertEq(desc.value, data1);
 Object.defineProperty(this, "data2",
                       {
                         configurable: true,
                         enumerable: true,
                         writable: false,
                         value: "data2"
                       });
 outer = undefined;
 evaluate("function data2() { return 'data2 function'; } outer = data2;");
 assertEq(typeof data2, "function");
 assertEq(data2, outer);
 desc = Object.getOwnPropertyDescriptor(this, "data2");
 assertEq(desc.configurable, false);
 assertEq(desc.enumerable, true);
 assertEq(desc.writable, true);
 assertEq(desc.value, data2);
 Object.defineProperty(this, "data3",
                       {
                         configurable: true,
                         enumerable: false,
                         writable: true,
                         value: "data3"
                       });
 outer = undefined;
 evaluate("function data3() { return 'data3 function'; } outer = data3;");
 assertEq(typeof data3, "function");
 assertEq(data3, outer);
 desc = Object.getOwnPropertyDescriptor(this, "data3");
 assertEq(desc.configurable, false);
 assertEq(desc.enumerable, true);
 assertEq(desc.writable, true);
 assertEq(desc.value, data3);
 Object.defineProperty(this, "data4",
                       {
                         configurable: true,
                         enumerable: false,
                         writable: false,
                         value: "data4"
                       });
 outer = undefined;
 evaluate("function data4() { return 'data4 function'; } outer = data4;");
 assertEq(typeof data4, "function");
 assertEq(data4, outer);
 desc = Object.getOwnPropertyDescriptor(this, "data4");
 assertEq(desc.value, data4);
 assertEq(desc.writable, true);
 assertEq(desc.enumerable, true);
 assertEq(desc.configurable, false);
 // non-configurable data properties are trickier
 Object.defineProperty(this, "data5",
                       {
                         configurable: false,
                         enumerable: true,
                         writable: true,
                         value: "data5"
                       });
 outer = undefined;
 evaluate("function data5() { return 'data5 function'; } outer = data5;");
 assertEq(typeof data5, "function");
 assertEq(data5, outer);
 desc = Object.getOwnPropertyDescriptor(this, "data5");
 assertEq(desc.configurable, false);
 assertEq(desc.enumerable, true);
 assertEq(desc.writable, true);
 assertEq(desc.value, data5);
 Object.defineProperty(this, "data6",
                       {
                         configurable: false,
                         enumerable: true,
                         writable: false,
                         value: "data6"
                       });
 outer = undefined;
 try
 {
   evaluate("function data6() { return 'data6 function'; } outer = data6;");
   throw new Error("should have thrown trying to redefine global function " +
                   "over a non-configurable, enumerable, non-writable accessor");
 }
 catch (e)
 {
   assertEq(e instanceof TypeError, true,
            "global function definition, when that function would overwrite " +
            "a non-configurable, enumerable, non-writable data property, must " +
            "throw a TypeError per ES5+errata: " + e);
   assertEq(data6, "data6");
   assertEq(outer, undefined);
   desc = Object.getOwnPropertyDescriptor(this, "data6");
   assertEq(desc.configurable, false);
   assertEq(desc.enumerable, true);
   assertEq(desc.writable, false);
   assertEq(desc.value, "data6");
 }
 Object.defineProperty(this, "data7",
                       {
                         configurable: false,
                         enumerable: false,
                         writable: true,
                         value: "data7"
                       });
 outer = undefined;
 try
 {
   evaluate("function data7() { return 'data7 function'; } outer = data7;");
   throw new Error("should have thrown trying to redefine global function " +
                   "over a non-configurable, non-enumerable, writable data" +
                   "property");
 }
 catch (e)
 {
   assertEq(e instanceof TypeError, true,
            "global function definition, when that function would overwrite " +
            "a non-configurable, non-enumerable, writable data property, must " +
            "throw a TypeError per ES5+errata: " + e);
   assertEq(data7, "data7");
   assertEq(outer, undefined);
   desc = Object.getOwnPropertyDescriptor(this, "data7");
   assertEq(desc.configurable, false);
   assertEq(desc.enumerable, false);
   assertEq(desc.writable, true);
   assertEq(desc.value, "data7");
 }
 Object.defineProperty(this, "data8",
                       {
                         configurable: false,
                         enumerable: false,
                         writable: false,
                         value: "data8"
                       });
 outer = undefined;
 try
 {
   evaluate("function data8() { return 'data8 function'; } outer = data8;");
   throw new Error("should have thrown trying to redefine global function " +
                   "over a non-configurable, non-enumerable, non-writable data" +
                   "property");
 }
 catch (e)
 {
   assertEq(e instanceof TypeError, true,
            "global function definition, when that function would overwrite " +
            "a non-configurable, non-enumerable, non-writable data property, " +
            "must throw a TypeError per ES5+errata: " + e);
   assertEq(data8, "data8");
   assertEq(outer, undefined);
   desc = Object.getOwnPropertyDescriptor(this, "data8");
   assertEq(desc.configurable, false);
   assertEq(desc.enumerable, false);
   assertEq(desc.writable, false);
   assertEq(desc.value, "data8");
 }
 /******************************************************************************/
 if (typeof reportCompare === "function")
   reportCompare(true, true);
 print("All tests passed!");