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// Copyright (c) 2012 Ecma International. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-function.prototype.bind
description: >
"length" value of a bound function is set to remaining number
of arguments expected by target function. Extra arguments are ignored.
info: |
Function.prototype.bind ( thisArg, ...args )
[...]
5. Let targetHasLength be ? HasOwnProperty(Target, "length").
6. If targetHasLength is true, then
a. Let targetLen be ? Get(Target, "length").
b. If Type(targetLen) is not Number, let L be 0.
c. Else,
i. Set targetLen to ! ToInteger(targetLen).
ii. Let L be the larger of 0 and the result of targetLen minus the number of elements of args.
7. Else, let L be 0.
8. Perform ! SetFunctionLength(F, L).
[...]
---*/
function foo() {}
assert.sameValue(foo.bind(null).length, 0, '0/0');
assert.sameValue(foo.bind(null, 1).length, 0, '1/0');
function bar(x, y) {}
assert.sameValue(bar.bind(null).length, 2, '0/2');
assert.sameValue(bar.bind(null, 1).length, 1, '1/2');
assert.sameValue(bar.bind(null, 1, 2).length, 0, '2/2');
assert.sameValue(bar.bind(null, 1, 2, 3).length, 0, '3/2');
reportCompare(0, 0);
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