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Code Issues Projects Releases Packages Wiki Activity Actions 9

Libraries: Move to Userland/Libraries/

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This commit is contained in:
Andreas Kling 2021-01-12 12:17:30 +01:00
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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35
Libraries/LibJS/Tests/classes/class-advanced-extends.js
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@ -1,35 +0,0 @@
test("extending function", () => {
class A extends function () {
this.foo = 10;
} {}
expect(new A().foo).toBe(10);
});
test("extending null", () => {
class A extends null {}
expect(Object.getPrototypeOf(A.prototype)).toBeNull();
expect(() => {
new A();
}).toThrowWithMessage(ReferenceError, "|this| has not been initialized");
});
test("extending String", () => {
class MyString extends String {}
const ms = new MyString("abc");
expect(ms).toBeInstanceOf(MyString);
expect(ms).toBeInstanceOf(String);
expect(ms.charAt(1)).toBe("b");
class MyString2 extends MyString {
charAt(i) {
return `#${super.charAt(i)}`;
}
}
const ms2 = new MyString2("abc");
expect(ms2.charAt(1)).toBe("#b");
});