// SPDX-FileCopyrightText: 2015 Samsung Electronics Co., Ltd.
// SPDX-FileCopyrightText: 2015 University of Szeged.
// SPDX-License-Identifier: Apache-2.0

// Test array
var arr = ['a', 'b', 'c'];
var props = Object.getOwnPropertyNames(arr);
// props should contain: 0,1,2,length and the order is not defined!
assert (props.indexOf("0") !== -1);
assert (props.indexOf("1") !== -1);
assert (props.indexOf("2") !== -1);
assert (props.indexOf("length") !== -1);
assert (props.length === 4);

// Test object
var obj = {key1: 'a', key3: 'b', key2: 'c', key4: 'c', key5: ''};
props = Object.getOwnPropertyNames(obj);
// props should contain: key1,key2,key3,key4,key5 and the order is not defined!
assert (props.indexOf("key1") !== -1);
assert (props.indexOf("key2") !== -1);
assert (props.indexOf("key3") !== -1);
assert (props.indexOf("key4") !== -1);
assert (props.indexOf("key5") !== -1);
assert (props.length === 5);

var obj2 = {};
Object.defineProperties(obj2, {
    key_one: {enumerable: true, value: 'one'},
    key_two: {enumerable: false, value: 'two'},
});

props = Object.getOwnPropertyNames(obj2);
// props should contain: key_one,key_two and the order is not defined!
assert (props.indexOf("key_one") !== -1);
assert (props.indexOf("key_two") !== -1);
assert (props.length === 2);

// Test prototype chain
function Parent() {}
Parent.prototype.inheritedMethod = function() {};

function Child() {
  this.prop = 5;
  this.method = function() {};
}
Child.prototype = new Parent;
Child.prototype.prototypeMethod = function() {};

props = Object.getOwnPropertyNames (new Child());
// props should contain: prop,method and the order is not defined!
assert (props.indexOf("prop") !== -1);
assert (props.indexOf("method") !== -1);

assert (props.length === 2);

// Test non-object argument
try {
  Object.getOwnPrototypeNames("hello");
  assert (false);
} catch (e) {
  assert (e instanceof TypeError);
}
