Port OpenJDK8 java.util.*SummaryStatistics & add tests

Ported OpenJDK8 java.util.DoubleSummaryStatistics,
java.util.IntSummaryStatistics, java.util.LongSummaryStatistics.

Based on openJdk 8u40 source & iam@ stream change in
ag/872080

Bug: 27426738
Change-Id: I54f3fba1142327f990c0a71acbbef0b7bb0e0a27

diff --git a/api/current.txt b/api/current.txt
index c1f2623..77e7a00 100644 (file)
--- a/api/current.txt
+++ b/api/current.txt
@@ -55426,6 +55426,17 @@ package java.util {
     method public abstract int size();
   }
 
+  public class DoubleSummaryStatistics implements java.util.function.DoubleConsumer {
+    ctor public DoubleSummaryStatistics();
+    method public void accept(double);
+    method public void combine(java.util.DoubleSummaryStatistics);
+    method public final double getAverage();
+    method public final long getCount();
+    method public final double getMax();
+    method public final double getMin();
+    method public final double getSum();
+  }
+
   public class DuplicateFormatFlagsException extends java.util.IllegalFormatException {
     ctor public DuplicateFormatFlagsException(java.lang.String);
     method public java.lang.String getFlags();
@@ -55648,6 +55659,17 @@ package java.util {
     ctor public InputMismatchException(java.lang.String);
   }
 
+  public class IntSummaryStatistics implements java.util.function.IntConsumer {
+    ctor public IntSummaryStatistics();
+    method public void accept(int);
+    method public void combine(java.util.IntSummaryStatistics);
+    method public final double getAverage();
+    method public final long getCount();
+    method public final int getMax();
+    method public final int getMin();
+    method public final long getSum();
+  }
+
   public class InvalidPropertiesFormatException extends java.io.IOException {
     ctor public InvalidPropertiesFormatException(java.lang.Throwable);
     ctor public InvalidPropertiesFormatException(java.lang.String);
@@ -55839,6 +55861,18 @@ package java.util {
     enum_constant public static final java.util.Locale.Category FORMAT;
   }
 
+  public class LongSummaryStatistics implements java.util.function.IntConsumer java.util.function.LongConsumer {
+    ctor public LongSummaryStatistics();
+    method public void accept(int);
+    method public void accept(long);
+    method public void combine(java.util.LongSummaryStatistics);
+    method public final double getAverage();
+    method public final long getCount();
+    method public final long getMax();
+    method public final long getMin();
+    method public final long getSum();
+  }
+
   public abstract interface Map {
     method public abstract void clear();
     method public abstract boolean containsKey(java.lang.Object);
@@ -63236,4 +63270,3 @@ package org.xmlpull.v1.sax2 {
   }
 
 }
-

diff --git a/api/system-current.txt b/api/system-current.txt
index 14edbcb..86892d0 100644 (file)
--- a/api/system-current.txt
+++ b/api/system-current.txt
@@ -58044,6 +58044,17 @@ package java.util {
     method public abstract int size();
   }
 
+  public class DoubleSummaryStatistics implements java.util.function.DoubleConsumer {
+    ctor public DoubleSummaryStatistics();
+    method public void accept(double);
+    method public void combine(java.util.DoubleSummaryStatistics);
+    method public final double getAverage();
+    method public final long getCount();
+    method public final double getMax();
+    method public final double getMin();
+    method public final double getSum();
+  }
+
   public class DuplicateFormatFlagsException extends java.util.IllegalFormatException {
     ctor public DuplicateFormatFlagsException(java.lang.String);
     method public java.lang.String getFlags();
@@ -58266,6 +58277,17 @@ package java.util {
     ctor public InputMismatchException(java.lang.String);
   }
 
+  public class IntSummaryStatistics implements java.util.function.IntConsumer {
+    ctor public IntSummaryStatistics();
+    method public void accept(int);
+    method public void combine(java.util.IntSummaryStatistics);
+    method public final double getAverage();
+    method public final long getCount();
+    method public final int getMax();
+    method public final int getMin();
+    method public final long getSum();
+  }
+
   public class InvalidPropertiesFormatException extends java.io.IOException {
     ctor public InvalidPropertiesFormatException(java.lang.Throwable);
     ctor public InvalidPropertiesFormatException(java.lang.String);
@@ -58457,6 +58479,18 @@ package java.util {
     enum_constant public static final java.util.Locale.Category FORMAT;
   }
 
+  public class LongSummaryStatistics implements java.util.function.IntConsumer java.util.function.LongConsumer {
+    ctor public LongSummaryStatistics();
+    method public void accept(int);
+    method public void accept(long);
+    method public void combine(java.util.LongSummaryStatistics);
+    method public final double getAverage();
+    method public final long getCount();
+    method public final long getMax();
+    method public final long getMin();
+    method public final long getSum();
+  }
+
   public abstract interface Map {
     method public abstract void clear();
     method public abstract boolean containsKey(java.lang.Object);
@@ -65854,4 +65888,3 @@ package org.xmlpull.v1.sax2 {
   }
 
 }
-