package testsupport.traits;

import com.jnape.palatable.lambda.functions.Fn1;

import com.jnape.palatable.traitor.traits.Trait;

import static org.junit.Assert.assertThat;

import static testsupport.Mocking.mockIterable;

import static testsupport.matchers.ZeroInvocationsMatcher.wasNeverInteractedWith;

public class Laziness implements Trait<Fn1<Iterable<?>, Iterable<?>>> {

@Override

public void test(Fn1<Iterable<?>, Iterable<?>> testSubject) {

Iterable<?> iterable = mockIterable();

testSubject.apply(iterable);

assertThat(iterable, wasNeverInteractedWith());

assertThat(iterable.iterator(), wasNeverInteractedWith());

}

}