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package io.github.bculkin2442.data;
import java.util.Arrays;
import java.util.List;
import org.junit.Test;
import bjc.data.CircularIterator;
import static io.github.bculkin2442.TestUtils.*;
/**
* Test for circular iterators.,
*
* @author bjculkin
*
*/
public class CircularIteratorTest {
/**
* Test regular repetition of the entire iterator.
*/
@Test
public void testRegular() {
List<String> lst = Arrays.asList("a", "b", "c");
CircularIterator<String> itr = new CircularIterator<>(lst);
// Check we get initial values correctly, and have more remaining
assertIteratorEquals(true, itr, "a", "b", "c");
// Check we repeat correctly, and can still repeat
assertIteratorEquals(true, itr, "a", "b", "c");
}
/**
* Test that the last element repeats correctly.
*/
@Test
public void testRepLast() {
List<String> lst = Arrays.asList("a", "b", "c");
CircularIterator<String> itr = new CircularIterator<>(lst, false);
// Check we get initial values correctly, and have more remaining
assertIteratorEquals(true, itr, "a", "b", "c");
// Check we repeat correctly, and can still repeat
assertIteratorEquals(true, itr, "c", "c", "c");
}
}
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