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Libraries: Move to Userland/Libraries/

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This commit is contained in:
Andreas Kling 2021-01-12 12:17:30 +01:00
parent dc28c07fa5
commit 13d7c09125
1857 changed files with 266 additions and 274 deletions
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64
Userland/Libraries/LibJS/Tests/builtins/Object/Object.entries.js Normal file
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describe("basic functionality", () => {
test("length", () => {
expect(Object.entries).toHaveLength(1);
expect(Object.entries(true)).toHaveLength(0);
expect(Object.entries(45)).toHaveLength(0);
expect(Object.entries(-998)).toHaveLength(0);
expect(Object.entries("abcd")).toHaveLength(4);
expect(Object.entries([1, 2, 3])).toHaveLength(3);
expect(Object.entries({ a: 1, b: 2, c: 3 })).toHaveLength(3);
});
test("entries with object", () => {
let entries = Object.entries({ foo: 1, bar: 2, baz: 3 });
expect(entries).toEqual([
["foo", 1],
["bar", 2],
["baz", 3],
]);
});
test("entries with objects with symbol keys", () => {
let entries = Object.entries({ foo: 1, [Symbol("bar")]: 2, baz: 3 });
expect(entries).toEqual([
["foo", 1],
["baz", 3],
]);
});
test("entries with array", () => {
entries = Object.entries(["a", "b", "c"]);
expect(entries).toEqual([
["0", "a"],
["1", "b"],
["2", "c"],
]);
});
test("ignores non-enumerable properties", () => {
let obj = { foo: 1 };
Object.defineProperty(obj, "getFoo", {
value: function () {
return this.foo;
},
});
let entries = Object.entries(obj);
expect(entries).toEqual([["foo", 1]]);
});
});
describe("errors", () => {
test("null argument", () => {
expect(() => {
Object.entries(null);
}).toThrowWithMessage(TypeError, "ToObject on null or undefined");
});
test("undefined argument", () => {
expect(() => {
Object.entries(undefined);
}).toThrowWithMessage(TypeError, "ToObject on null or undefined");
});
});