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package com.technologyconversations.java8exercises.streams;
import org.junit.Test;
import java.util.List;
import static com.technologyconversations.java8exercises.streams.ToUpperCase.*;
import static java.util.Arrays.asList;
import static org.assertj.core.api.Assertions.assertThat;
/*
Convert elements of a collection to upper case.
*/
public class ToUpperCaseSpec {
@Test
public void transformShouldConvertCollectionElementsToUpperCase() {
List<String> collection = asList("My", "name", "is", "John", "Doe");
List<String> expected = asList("MY", "NAME", "IS", "JOHN", "DOE");
assertThat(transform(collection)).hasSameElementsAs(expected);
}
}
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