jerryscript/tests/jerry/es2015/function-param-init2.js
Zoltan Herczeg e1fc90db0e Delay the variable construction in the function body. (#3289)
Local variables inside the function body should be constructed after the
parameters are initialized. Furthermore arguments should be available
during parameter initialization.

JerryScript-DCO-1.0-Signed-off-by: Zoltan Herczeg zherczeg.u-szeged@partner.samsung.com
2019-11-08 12:18:23 +01:00

66 lines
1.3 KiB
JavaScript

// Copyright JS Foundation and other contributors, http://js.foundation
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
function f(a, b = a)
{
function a() { return 2; }
assert(a() === 2);
assert(b === 1)
}
f(1);
function g(a, b = a)
{
function a() { return 2; }
eval("assert(a() === 2)");
eval("assert(b === 1)");
}
g(1);
var x = 1;
function h(a = x) {
assert(x === undefined);
var x = 2;
assert(a === 1);
assert(x === 2);
}
h();
x = function() { return 4; }
let y = 6;
function i(a = x() / 2, b = (y) + 2, c = typeof z) {
let y = 10;
let z = 11;
function x() { return 5; }
assert(a === 2);
assert(x() === 5);
assert(b === 8);
assert(c === "undefined");
assert(y === 10);
assert(z === 11);
}
i();
var arguments = 10;
function j(a = arguments[1])
{
assert(a === 2);
}
j(undefined,2);