test/java/util/stream/test/org/openjdk/tests/java/util/stream/SummaryStatisticsTest.java

rev 7597 : 8015318: Extend Collector with 'finish' operation
Reviewed-by:
Contributed-by: brian.goetz@oracle.com

*** 41,53 ****
   */
  @Test
  public class SummaryStatisticsTest extends OpTestCase {
      public void testIntStatistics() {
          List<IntSummaryStatistics> instances = new ArrayList<>();
!         instances.add(countTo(1000).stream().collect(Collectors.toIntSummaryStatistics(i -> i)));
          instances.add(countTo(1000).stream().mapToInt(i -> i).summaryStatistics());
!         instances.add(countTo(1000).parallelStream().collect(Collectors.toIntSummaryStatistics(i -> i)));
          instances.add(countTo(1000).parallelStream().mapToInt(i -> i).summaryStatistics());
  
          for (IntSummaryStatistics stats : instances) {
              assertEquals(stats.getCount(), 1000);
              assertEquals(stats.getSum(), countTo(1000).stream().mapToInt(i -> i).sum());
--- 41,53 ----
   */
  @Test
  public class SummaryStatisticsTest extends OpTestCase {
      public void testIntStatistics() {
          List<IntSummaryStatistics> instances = new ArrayList<>();
!         instances.add(countTo(1000).stream().collect(Collectors.summarizingInt(i -> i)));
          instances.add(countTo(1000).stream().mapToInt(i -> i).summaryStatistics());
!         instances.add(countTo(1000).parallelStream().collect(Collectors.summarizingInt(i -> i)));
          instances.add(countTo(1000).parallelStream().mapToInt(i -> i).summaryStatistics());
  
          for (IntSummaryStatistics stats : instances) {
              assertEquals(stats.getCount(), 1000);
              assertEquals(stats.getSum(), countTo(1000).stream().mapToInt(i -> i).sum());
*** 56,68 ****
          }
      }
  
      public void testLongStatistics() {
          List<LongSummaryStatistics> instances = new ArrayList<>();
!         instances.add(countTo(1000).stream().collect(Collectors.toLongSummaryStatistics(i -> i)));
          instances.add(countTo(1000).stream().mapToLong(i -> i).summaryStatistics());
!         instances.add(countTo(1000).parallelStream().collect(Collectors.toLongSummaryStatistics(i -> i)));
          instances.add(countTo(1000).parallelStream().mapToLong(i -> i).summaryStatistics());
  
          for (LongSummaryStatistics stats : instances) {
              assertEquals(stats.getCount(), 1000);
              assertEquals(stats.getSum(), (long) countTo(1000).stream().mapToInt(i -> i).sum());
--- 56,68 ----
          }
      }
  
      public void testLongStatistics() {
          List<LongSummaryStatistics> instances = new ArrayList<>();
!         instances.add(countTo(1000).stream().collect(Collectors.summarizingLong(i -> i)));
          instances.add(countTo(1000).stream().mapToLong(i -> i).summaryStatistics());
!         instances.add(countTo(1000).parallelStream().collect(Collectors.summarizingLong(i -> i)));
          instances.add(countTo(1000).parallelStream().mapToLong(i -> i).summaryStatistics());
  
          for (LongSummaryStatistics stats : instances) {
              assertEquals(stats.getCount(), 1000);
              assertEquals(stats.getSum(), (long) countTo(1000).stream().mapToInt(i -> i).sum());
*** 71,83 ****
          }
      }
  
      public void testDoubleStatistics() {
          List<DoubleSummaryStatistics> instances = new ArrayList<>();
!         instances.add(countTo(1000).stream().collect(Collectors.toDoubleSummaryStatistics(i -> i)));
          instances.add(countTo(1000).stream().mapToDouble(i -> i).summaryStatistics());
!         instances.add(countTo(1000).parallelStream().collect(Collectors.toDoubleSummaryStatistics(i -> i)));
          instances.add(countTo(1000).parallelStream().mapToDouble(i -> i).summaryStatistics());
  
          for (DoubleSummaryStatistics stats : instances) {
              assertEquals(stats.getCount(), 1000);
              assertEquals(stats.getSum(), (double) countTo(1000).stream().mapToInt(i -> i).sum());
--- 71,83 ----
          }
      }
  
      public void testDoubleStatistics() {
          List<DoubleSummaryStatistics> instances = new ArrayList<>();
!         instances.add(countTo(1000).stream().collect(Collectors.summarizingDouble(i -> i)));
          instances.add(countTo(1000).stream().mapToDouble(i -> i).summaryStatistics());
!         instances.add(countTo(1000).parallelStream().collect(Collectors.summarizingDouble(i -> i)));
          instances.add(countTo(1000).parallelStream().mapToDouble(i -> i).summaryStatistics());
  
          for (DoubleSummaryStatistics stats : instances) {
              assertEquals(stats.getCount(), 1000);
              assertEquals(stats.getSum(), (double) countTo(1000).stream().mapToInt(i -> i).sum());