when uncomment those code blocks - they need to run successfully:

test('a', () = {
expect(1).toBe(1);
})

test('b', () = {
expect(1).toBe(2);
})

Question

when uncomment those code blocks - they need to run successfully:

test('a', () => {
  expect(1).toBe(1);
})

test('b', () => {
 expect(1).toBe(2);
})

Sigiloso · Accepted Answer

function test(name, fn){
  try {
    fn();
    console.log(`test ${name} has passed!`)
  } catch (e) {
    console.log(`test ${name} has failed!`)
  }
}

function expect(val) {
  return {
    toBe: function(val2){
      if(val === val2) return true;
      throw new Error()
    }
  }
}

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