constructor-basic.js 235 B

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  1. test("basic functionality", () => {
  2. function Foo() {
  3. this.x = 123;
  4. }
  5. expect(Foo.prototype.constructor).toBe(Foo);
  6. const foo = new Foo();
  7. expect(foo.constructor).toBe(Foo);
  8. expect(foo.x).toBe(123);
  9. });