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test("normal methods named get and set", () => {
let o = {
get() {
return 5;
},
set() {
return 10;
},
};
expect(o.get()).toBe(5);
expect(o.set()).toBe(10);
});
test("basic get and set", () => {
let o = {
get x() {
return 5;
},
set x(_) {},
};
expect(o.x).toBe(5);
o.x = 10;
expect(o.x).toBe(5);
});
test("get and set with 'this'", () => {
let o = {
get x() {
return this._x + 1;
},
set x(value) {
this._x = value + 1;
},
};
expect(o.x).toBeNaN();
o.x = 10;
expect(o.x).toBe(12);
o.x = 20;
expect(o.x).toBe(22);
});
test("multiple getters", () => {
let o = {
get x() {
return 5;
},
get x() {
return 10;
},
};
expect(o.x).toBe(10);
});
test("setter return value", () => {
o = {
set x(value) {
return 10;
},
};
expect((o.x = 20)).toBe(20);
});
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