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- class Foo {
- #foo = 0;
- test(other) {
- return [
- this.#foo++,
- this.#foo,
- ++this.#foo,
- this.#foo,
- other.obj.#foo++,
- other.obj.#foo,
- ++other.obj.#foo,
- other.obj.#foo,
- ];
- }
- }
- const f = new Foo;
- const results = f.test({ obj: f });
- expect(results[0]).toBe(0);
- expect(results[1]).toBe(1);
- expect(results[2]).toBe(2);
- expect(results[3]).toBe(2);
- expect(results[4]).toBe(2);
- expect(results[5]).toBe(3);
- expect(results[6]).toBe(4);
- expect(results[7]).toBe(4);
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