package com.insightfullogic.java8.examples.chapter8.lambdabehave.expectations; import java.util.Collection; import static junit.framework.Assert.assertTrue; public class CollectionExpectation extends BoundExpectation { private final Collection<?> objectUnderTest; public CollectionExpectation(Collection<?> objectUnderTest) { super(objectUnderTest); this.objectUnderTest = objectUnderTest; } public void isEmpty() { assertTrue(objectUnderTest.isEmpty()); } }