__tests__/EventPluginHub-test.js

EventPluginHub-test.js

it('should prevent non-function listeners, at dispatch', () => {
  var node = ReactTestUtils.renderIntoDocument(
    <div onClick="not a function" />,
  );
  expect(function() {
    ReactTestUtils.SimulateNative.click(node);
  }).toThrowError(
    'Expected onClick listener to be a function, instead got type string',
  );
});