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/*
* Any copyright is dedicated to the Public Domain.
* http://creativecommons.org/licenses/publicdomain/
* Contributor:
* Jeff Walden <jwalden+code@mit.edu>
*/
//-----------------------------------------------------------------------------
var BUGNUMBER = 575535;
var summary = 'Function.prototype.call';
print(BUGNUMBER + ": " + summary);
/**************
* BEGIN TEST *
**************/
function expectTypeError(fun, msg)
{
try
{
fun();
assertEq(true, false, "should have thrown a TypeError");
}
catch (e)
{
assertEq(e instanceof TypeError, true, msg + "; instead threw " + e);
}
}
function fun() { }
var global = this;
assertEq(Function.prototype.call.length, 1);
/* Step 1. */
var nonfuns = [null, 1, -1, 2.5, "[[Call]]", undefined, true, false, {}];
for (var i = 0, sz = nonfuns.length; i < sz; i++)
{
var f = function()
{
Function.prototype.call.apply(nonfuns[i]);
};
var msg =
"expected TypeError calling Function.prototype.call with uncallable this";
expectTypeError(f, msg);
}
/* Steps 2-4. */
function none()
{
assertEq(this, global, "bad this");
assertEq(arguments.length, 0, "wrong arguments");
}
none.call();
none.call(undefined);
none.call(null);
var seenThis;
function strictNone()
{
"use strict";
assertEq(this, seenThis, "bad this");
assertEq(arguments.length, 0, "wrong arguments");
}
seenThis = undefined;
strictNone.call();
strictNone.call(undefined);
seenThis = null;
strictNone.call(null);
seenThis = 17;
strictNone.call(17);
var seenThisBox, args;
function some()
{
assertEq(this instanceof seenThisBox, true,
"this not instanceof " + seenThisBox);
assertEq(this.valueOf(), seenThis,
"wrong this valueOf()");
assertEq(arguments.length, args.length, "wrong arguments count");
for (var i = 0; i < args.length; i++)
assertEq(arguments[i], args[i], "wrong argument " + i);
}
seenThis = false;
seenThisBox = Boolean;
args = [8, 6, 7, NaN, undefined, 0.3];
some.call(false, 8, 6, 7, NaN, undefined, 0.3);
var obj = {};
seenThis = "foo";
seenThisBox = String;
args = [obj];
some.call("foo", obj);
seenThis = obj;
seenThisBox = Object;
some.call(obj, obj);
function strictSome()
{
"use strict";
assertEq(this, seenThis, "wrong this");
assertEq(arguments.length, args.length, "wrong arguments count");
for (var i = 0; i < args.length; i++)
assertEq(arguments[i], args[i], "wrong argument " + i);
}
seenThis = NaN;
args = [8, 6, 7, NaN, undefined, 0.3];
strictSome.call(NaN, 8, 6, 7, NaN, undefined, 0.3);
seenThis = "foo";
args = [obj];
strictSome.call("foo", obj);
seenThis = obj;
strictSome.call(obj, obj);
/******************************************************************************/
if (typeof reportCompare === "function")
reportCompare(true, true);
print("All tests passed!");
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