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Code Issues Projects Releases Packages Wiki Activity Actions 10

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
Notes: sideshowbarker 2024-07-18 23:53:55 +09:00
1857 changed files with 266 additions and 274 deletions
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133
Libraries/LibJS/Tests/classes/class-inheritance.js
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@ -1,133 +0,0 @@
test("method inheritance", () => {
class Parent {
method() {
return 3;
}
}
class Child extends Parent {}
const p = new Parent();
const c = new Child();
expect(p.method()).toBe(3);
expect(c.method()).toBe(3);
});
test("method overriding", () => {
class Parent {
method() {
return 3;
}
}
class Child extends Parent {
method() {
return 10;
}
}
const p = new Parent();
const c = new Child();
expect(p.method()).toBe(3);
expect(c.method()).toBe(10);
});
test("parent method reference with super", () => {
class Parent {
method() {
return 3;
}
}
class Child extends Parent {
method() {
return super.method() * 2;
}
}
const p = new Parent();
const c = new Child();
expect(p.method()).toBe(3);
expect(c.method()).toBe(6);
});
test("child class access to parent class initialized properties", () => {
class Parent {
constructor() {
this.x = 3;
}
}
class Child extends Parent {}
const p = new Parent();
const c = new Child();
expect(p.x).toBe(3);
expect(c.x).toBe(3);
});
test("child class modification of parent class properties", () => {
class Parent {
constructor() {
this.x = 3;
}
}
class Child extends Parent {
change() {
this.x = 10;
}
}
const p = new Parent();
const c = new Child();
expect(p.x).toBe(3);
expect(c.x).toBe(3);
c.change();
expect(c.x).toBe(10);
});
test("inheritance and hasOwnProperty", () => {
class Parent {
constructor() {
this.x = 3;
}
}
class Child extends Parent {
method() {
this.y = 10;
}
}
const p = new Parent();
const c = new Child();
expect(p.hasOwnProperty("x")).toBeTrue();
expect(p.hasOwnProperty("y")).toBeFalse();
expect(c.hasOwnProperty("x")).toBeTrue();
expect(c.hasOwnProperty("y")).toBeFalse();
c.method();
expect(c.hasOwnProperty("x")).toBeTrue();
expect(c.hasOwnProperty("y")).toBeTrue();
});
test("super constructor call from child class with argument", () => {
class Parent {
constructor(x) {
this.x = x;
}
}
class Child extends Parent {
constructor() {
super(10);
}
}
const p = new Parent(3);
const c = new Child(3);
expect(p.x).toBe(3);
expect(c.x).toBe(10);
});