ladybird/Userland/Libraries/LibJS/Tests/classes/class-static.js
2021-01-12 12:17:46 +01:00

72 lines
1.3 KiB
JavaScript

test("basic functionality", () => {
class A {
static method() {
return 10;
}
}
expect(A.method()).toBe(10);
expect(new A().method).toBeUndefined();
});
test("extended name syntax", () => {
class A {
static method() {
return 1;
}
static 12() {
return 2;
}
static [`he${"llo"}`]() {
return 3;
}
}
expect(A.method()).toBe(1);
expect(A[12]()).toBe(2);
expect(A.hello()).toBe(3);
});
test("bound |this|", () => {
class A {
static method() {
expect(this).toBe(A);
}
}
A.method();
});
test("inherited static methods", () => {
class Parent {
static method() {
return 3;
}
}
class Child extends Parent {}
expect(Parent.method()).toBe(3);
expect(Child.method()).toBe(3);
expect(new Parent()).not.toHaveProperty("method");
expect(new Child()).not.toHaveProperty("method");
});
test("static method overriding", () => {
class Parent {
static method() {
return 3;
}
}
class Child extends Parent {
static method() {
return 10;
}
}
expect(Parent.method()).toBe(3);
expect(Child.method()).toBe(10);
});