content: package com.annimon.stream.longstreamtests;
  
  import com.annimon.stream.Functions;
  import com.annimon.stream.LongStream;
  import org.junit.Test;
  import static com.annimon.stream.test.hamcrest.LongStreamMatcher.assertElements;
  import static com.annimon.stream.test.hamcrest.LongStreamMatcher.assertIsEmpty;
  import static org.hamcrest.Matchers.arrayContaining;
  
  public final class DropWhileTest {
  
      @Test
      public void testDropWhile() {
          LongStream.of(12, 32, 22, 9, 30, 41, 42)
                  .dropWhile(Functions.remainderLong(2))
                  .custom(assertElements(arrayContaining(
                          9L, 30L, 41L, 42L
                  )));
      }
      @Test
      public void testDropWhileNonFirstMatch() {
          LongStream.of(5, 32, 22, 9)
                  .dropWhile(Functions.remainderLong(2))
                  .custom(assertElements(arrayContaining(
                          5L, 32L, 22L, 9L
                  )));
      }
  
      @Test
      public void testDropWhileAllMatch() {
          LongStream.of(10, 20, 30)
                  .dropWhile(Functions.remainderLong(2))
                  .custom(assertIsEmpty());
      }
  }
  