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/*
* Any copyright is dedicated to the Public Domain.
* http://creativecommons.org/licenses/publicdomain/
*/
if ("entries" in Object) {
assertEq(Object.entries.length, 1);
var o, entries;
o = { a: 3, b: 2 };
entries = Object.entries(o);
assertDeepEq(entries, [["a", 3], ["b", 2]]);
o = { get a() { return 17; }, b: 2 };
entries = Object.entries(o),
assertDeepEq(entries, [["a", 17], ["b", 2]]);
o = { __iterator__: function() { throw new Error("non-standard __iterator__ called?"); } };
entries = Object.entries(o);
assertDeepEq(entries, [["__iterator__", o.__iterator__]]);
o = { a: 1, b: 2 };
delete o.a;
o.a = 3;
entries = Object.entries(o);
assertDeepEq(entries, [["b", 2], ["a", 3]]);
o = [0, 1, 2];
entries = Object.entries(o);
assertDeepEq(entries, [["0", 0], ["1", 1], ["2", 2]]);
o = /./.exec("abc");
entries = Object.entries(o);
assertDeepEq(entries, [["0", "a"], ["index", 0], ["input", "abc"], ["groups", undefined]]);
o = { a: 1, b: 2, c: 3 };
delete o.b;
o.b = 5;
entries = Object.entries(o);
assertDeepEq(entries, [["a", 1], ["c", 3], ["b", 5]]);
function f() { }
f.prototype.p = 1;
o = new f();
o.g = 1;
entries = Object.entries(o);
assertDeepEq(entries, [["g", 1]]);
var o = {get a() {delete this.b; return 1}, b: 2, c: 3};
entries = Object.entries(o);
assertDeepEq(entries, [["a", 1], ["c", 3]]);
assertThrowsInstanceOf(() => Object.entries(), TypeError);
assertThrowsInstanceOf(() => Object.entries(undefined), TypeError);
assertThrowsInstanceOf(() => Object.entries(null), TypeError);
assertDeepEq(Object.entries(1), []);
assertDeepEq(Object.entries(true), []);
if (typeof Symbol === "function")
assertDeepEq(Object.entries(Symbol("foo")), []);
assertDeepEq(Object.entries("foo"), [["0", "f"], ["1", "o"], ["2", "o"]]);
entries = Object.entries({
get a(){
Object.defineProperty(this, "b", {enumerable: false});
return "A";
},
b: "B"
});
assertDeepEq(entries, [["a", "A"]]);
let ownKeysCallCount = 0;
let getOwnPropertyDescriptorCalls = [];
let target = { a: 1, b: 2, c: 3 };
o = new Proxy(target, {
ownKeys() {
ownKeysCallCount++;
return ["c", "a"];
},
getOwnPropertyDescriptor(target, key) {
getOwnPropertyDescriptorCalls.push(key);
return Object.getOwnPropertyDescriptor(target, key);
}
});
entries = Object.entries(o);
assertEq(ownKeysCallCount, 1);
assertDeepEq(entries, [["c", 3], ["a", 1]]);
assertDeepEq(getOwnPropertyDescriptorCalls, ["c", "a"]);
}
if (typeof reportCompare === "function")
reportCompare(true, true);
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