Function mustSucceed

test/common/index.js:470–476

(fn, exact)

}

function mustSucceed(fn, exact) {
  return mustCall(function(err, ...args) {
    assert.ifError(err);
    if (typeof fn === 'function')
      return fn.apply(this, args);
  }, exact);
}

function mustCallAtLeast(fn, minimum) {
  return _mustCallInner(fn, minimum, 'minimum');