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package bjc;
import java.util.Iterator;
import java.util.List;
import static org.junit.Assert.*;
public class TestUtils {
/**
* Assert an iterator provides a particular sequence of values.
*
* @param src
* The iterator to pull values from.
* @param vals
* The values to expect from the iterator.
*/
@SafeVarargs
public static <T> void assertIteratorEquals(Iterator<T> src, T... vals) {
for (T val : vals) {
assertEquals(val, src.next());
}
}
/**
* Assert an iterator provides a particular sequence of values.
*
* @param src
* The iterator to pull values from.
* @param hasMore
* The expected value of hasNext for the iterator.
* @param vals
* The values to expect from the iterator.
*/
@SafeVarargs
public static <T> void assertIteratorEquals(boolean hasMore, Iterator<T> src, T... vals) {
/*
* @NOTE
*
* Even though it's awkward, the boolean has to come first.
* Otherwise, there are cases where the compiler will get
* confused as to what the right value for T is, and be unable
* to pick an overload.
*/
assertIteratorEquals(src, vals);
assertEquals("iterator not exhausted", hasMore, src.hasNext());
}
@SafeVarargs
public static <T> void assertListEquals(List<T> src, T... exps) {
assertEquals(exps.length, src.size());
int i = 0;
for (T act : src) {
T exp = exps[i++];
assertEquals(exp, act);
}
}
}
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