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import { resolveAfter } from './resolve_after';
describe('Resolve After', () => {
test('it should throw if given 0', () => {
expect(() => {
resolveAfter(0);
}).toThrow();
});
test('it should throw if given a negative number', () => {
expect(() => {
resolveAfter(-1);
}).toThrow();
});
test('it should throw if given a negative number', () => {
expect(() => {
resolveAfter('lol');
}).toThrow();
});
test('it should resolve after the specified number of times', () => {
expect(() => {
const { counter, resolveAfterThree } = resolveAfter(3);
let resolved = false;
resolveAfterThree.then(() => (resolved = true));
counter();
expect(resolved).toBe(false);
counter();
expect(resolved).toBe(false);
counter();
expect(resolved).toBe(true);
}).toThrow();
});
});
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