toStrictEqual.spec.ts

class Vec3 {
  constructor(
    public x: f64,
    public y: f64,
    public z: f64,
  ) {}
}

let a = new Vec3(1.0, 2.0, 3.0);

describe("toStrictEqual", (): void => {
  test("two references", (): void => {
    expect<Vec3>(a)
      .toStrictEqual(new Vec(1.0, 2.0, 3.0), "1, 2, 3 vectors should strictly equal each other");
  });
});