[BAEL-8434] - Moved java stream articles to java-streams module
This commit is contained in:
@@ -0,0 +1,47 @@
|
||||
package com.baeldung.stream;
|
||||
|
||||
|
||||
import org.junit.Test;
|
||||
|
||||
import java.util.Arrays;
|
||||
import java.util.List;
|
||||
import java.util.UUID;
|
||||
import java.util.function.Supplier;
|
||||
import java.util.stream.Collectors;
|
||||
import java.util.stream.Stream;
|
||||
|
||||
import static org.junit.Assert.assertEquals;
|
||||
|
||||
public class InfiniteStreamUnitTest {
|
||||
|
||||
@Test
|
||||
public void givenInfiniteStream_whenUseIntermediateLimitMethod_thenShouldTerminateInFiniteTime() {
|
||||
//given
|
||||
Stream<Integer> infiniteStream = Stream.iterate(0, i -> i + 2);
|
||||
|
||||
//when
|
||||
List<Integer> collect = infiniteStream
|
||||
.limit(10)
|
||||
.collect(Collectors.toList());
|
||||
|
||||
//then
|
||||
assertEquals(collect, Arrays.asList(0, 2, 4, 6, 8, 10, 12, 14, 16, 18));
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenInfiniteStreamOfRandomInts_whenUseLimit_shouldTerminateInFiniteTime() {
|
||||
//given
|
||||
Supplier<UUID> randomUUIDSupplier = UUID::randomUUID;
|
||||
Stream<UUID> infiniteStreamOfRandomUUID = Stream.generate(randomUUIDSupplier);
|
||||
|
||||
//when
|
||||
List<UUID> randomInts = infiniteStreamOfRandomUUID
|
||||
.skip(10)
|
||||
.limit(10)
|
||||
.collect(Collectors.toList());
|
||||
|
||||
//then
|
||||
assertEquals(randomInts.size(), 10);
|
||||
}
|
||||
|
||||
}
|
||||
Reference in New Issue
Block a user