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package com.baeldung.eclipsecollections;
import org.eclipse.collections.api.LazyIterable;
import org.eclipse.collections.api.list.MutableList;
import org.eclipse.collections.impl.block.factory.Predicates;
import org.eclipse.collections.impl.factory.Lists;
import static org.junit.Assert.assertTrue;
import org.junit.Test;
public class LazyIterationTest {
@Test
public void whenLazyIteration_thenCorrect() {
Student student1 = new Student("John", "Hopkins");
Student student2 = new Student("George", "Adams");
Student student3 = new Student("Jennifer", "Rodriguez");
MutableList<Student> students = Lists.mutable.with(student1, student2, student3);
LazyIterable<Student> lazyStudents = students.asLazy();
LazyIterable<String> lastNames = lazyStudents.collect(Student::getLastName);
assertTrue(lastNames.anySatisfy(Predicates.equal("Hopkins")));
assertTrue(lastNames.anySatisfy(Predicates.equal("Adams")));
assertTrue(lastNames.anySatisfy(Predicates.equal("Rodriguez")));
}
}