ladybird/Libraries/LibJS/Tests/builtins/Object/Object.getOwnPropertyDescriptor.js
2020-07-06 23:40:35 +02:00

49 lines
1.4 KiB
JavaScript

test("plain property", () => {
let o = { foo: "bar" };
expect(o).toHaveConfigurableProperty("foo");
expect(o).toHaveEnumerableProperty("foo");
expect(o).toHaveWritableProperty("foo");
expect(o).toHaveValueProperty("foo", "bar");
expect(o).not.toHaveGetterProperty("foo");
expect(o).not.toHaveSetterProperty("foo");
});
test("getter property", () => {
let o = { get foo() {} };
expect(o).toHaveConfigurableProperty("foo");
expect(o).toHaveEnumerableProperty("foo");
expect(o).not.toHaveWritableProperty("foo");
expect(o).not.toHaveValueProperty("foo");
expect(o).toHaveGetterProperty("foo");
expect(o).not.toHaveSetterProperty("foo");
});
test("setter property", () => {
let o = { set foo(_) {} };
expect(o).toHaveConfigurableProperty("foo");
expect(o).toHaveEnumerableProperty("foo");
expect(o).not.toHaveWritableProperty("foo");
expect(o).not.toHaveValueProperty("foo");
expect(o).not.toHaveGetterProperty("foo");
expect(o).toHaveSetterProperty("foo");
});
test("defined property", () => {
let o = {};
Object.defineProperty(o, "foo", {
enumerable: false,
writable: true,
value: 10,
});
expect(o).not.toHaveConfigurableProperty("foo");
expect(o).not.toHaveEnumerableProperty("foo");
expect(o).toHaveWritableProperty("foo");
expect(o).toHaveValueProperty("foo", 10);
expect(o).not.toHaveGetterProperty("foo");
expect(o).not.toHaveSetterProperty("foo");
});