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Copy pathStreamUtility.java
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66 lines (44 loc) · 1.73 KB
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import org.junit.Assert;
import java.util.Iterator;
import java.util.stream.DoubleStream;
import java.util.stream.IntStream;
import java.util.stream.LongStream;
import java.util.stream.Stream;
public class StreamUtility {
public static <T> boolean assertStreamEquals(Stream<T> stream1, Stream<T> stream2) {
Iterator<T> iterator1 = stream1.iterator();
Iterator<T> iterator2 = stream2.iterator();
while (iterator1.hasNext()) {
Assert.assertEquals(iterator1.next(), iterator2.next());
}
Assert.assertFalse(iterator2.hasNext());
return true;
}
public static boolean assertStreamEquals(LongStream stream1, LongStream stream2) {
Iterator iterator1 = stream1.iterator();
Iterator iterator2 = stream2.iterator();
while (iterator1.hasNext()) {
Assert.assertEquals(iterator1.next(), iterator2.next());
}
Assert.assertFalse(iterator2.hasNext());
return true;
}
public static boolean assertStreamEquals(DoubleStream stream1, DoubleStream stream2) {
Iterator iterator1 = stream1.iterator();
Iterator iterator2 = stream2.iterator();
while (iterator1.hasNext()) {
Assert.assertEquals(iterator1.next(), iterator2.next());
}
Assert.assertFalse(iterator2.hasNext());
return true;
}
public static boolean assertStreamEquals(IntStream stream1, IntStream stream2) {
Iterator iterator1 = stream1.iterator();
Iterator iterator2 = stream2.iterator();
while (iterator1.hasNext()) {
Assert.assertEquals(iterator1.next(), iterator2.next());
}
Assert.assertFalse(iterator2.hasNext());
return true;
}
}