IntIntHashMap: Reduce temp. ArrayList<Entry> instances in clone

4 files changed, 13 insertions, 6 deletions

diff --git a/src/java/com/jogamp/common/util/IntIntHashMap.java b/src/java/com/jogamp/common/util/IntIntHashMap.java
index 954b379..f78b1e0 100644
--- a/src/java/com/jogamp/common/util/IntIntHashMap.java
+++ b/src/java/com/jogamp/common/util/IntIntHashMap.java
@@ -162,18 +162,19 @@ public class /*name*/IntIntHashMap/*name*/ implements Cloneable,
                                                   mask, capacity, threshold,
                                                   keyNotFoundValue);
 
+        final ArrayList<Entry> entries = new ArrayList<Entry>();
         for(int i=table.length-1; i>=0; i--) {
             // single linked list -> ArrayList
-            final ArrayList<Entry> entries = new ArrayList<Entry>();
             Entry se = table[i];
             while(null != se) {
                 entries.add(se);
                 se = se.next;
             }
             // clone ArrayList -> single linked list (bwd)
+            final int count = entries.size();
             Entry de_next = null;
-            for(int j=entries.size()-1; j>=0; j--) {
-                se = entries.get(j);
+            for(int j=count-1; j>=0; j--) {
+                se = entries.remove(j);
                 if( isPrimitive ) {
                     de_next = new Entry(se.key, se.value, de_next);
                 } else {
diff --git a/src/junit/com/jogamp/common/util/IntIntHashMapTest.java b/src/junit/com/jogamp/common/util/IntIntHashMapTest.java
index ac009cb..75524ac 100644
--- a/src/junit/com/jogamp/common/util/IntIntHashMapTest.java
+++ b/src/junit/com/jogamp/common/util/IntIntHashMapTest.java
@@ -35,10 +35,12 @@ import java.io.IOException;
 import java.util.HashMap;
 import java.util.Iterator;
 import java.util.Map.Entry;
+
 import org.junit.BeforeClass;
 import org.junit.Test;
 
 import com.jogamp.common.os.Platform;
+import com.jogamp.junit.util.JunitTracer;
 
 import static org.junit.Assert.*;
 import static java.lang.System.*;
@@ -52,7 +54,7 @@ import org.junit.FixMethodOrder;
 import org.junit.runners.MethodSorters;
 
 @FixMethodOrder(MethodSorters.NAME_ASCENDING)
-public class IntIntHashMapTest {
+public class IntIntHashMapTest extends JunitTracer {
 
     private static int iterations;
     private static IntIntUniqueRndValues pairs;
diff --git a/src/junit/com/jogamp/common/util/IntObjectHashMapTest.java b/src/junit/com/jogamp/common/util/IntObjectHashMapTest.java
index 11bf765..3207683 100644
--- a/src/junit/com/jogamp/common/util/IntObjectHashMapTest.java
+++ b/src/junit/com/jogamp/common/util/IntObjectHashMapTest.java
@@ -35,10 +35,12 @@ import java.io.IOException;
 import java.util.HashMap;
 import java.util.Iterator;
 import java.util.Map.Entry;
+
 import org.junit.BeforeClass;
 import org.junit.Test;
 
 import com.jogamp.common.os.Platform;
+import com.jogamp.junit.util.JunitTracer;
 
 import static org.junit.Assert.*;
 
@@ -51,7 +53,7 @@ import org.junit.FixMethodOrder;
 import org.junit.runners.MethodSorters;
 
 @FixMethodOrder(MethodSorters.NAME_ASCENDING)
-public class IntObjectHashMapTest {
+public class IntObjectHashMapTest extends JunitTracer {
 
     private static int iterations;
     private static IntIntObjUniqueRndValues pairs;
diff --git a/src/junit/com/jogamp/common/util/LongIntHashMapTest.java b/src/junit/com/jogamp/common/util/LongIntHashMapTest.java
index f6ec4bc..90e54b9 100644
--- a/src/junit/com/jogamp/common/util/LongIntHashMapTest.java
+++ b/src/junit/com/jogamp/common/util/LongIntHashMapTest.java
@@ -35,10 +35,12 @@ import java.io.IOException;
 import java.util.Iterator;
 import java.util.HashMap;
 import java.util.Map.Entry;
+
 import org.junit.BeforeClass;
 import org.junit.Test;
 
 import com.jogamp.common.os.Platform;
+import com.jogamp.junit.util.JunitTracer;
 
 import static org.junit.Assert.*;
 import static java.lang.System.*;
@@ -52,7 +54,7 @@ import org.junit.FixMethodOrder;
 import org.junit.runners.MethodSorters;
 
 @FixMethodOrder(MethodSorters.NAME_ASCENDING)
-public class LongIntHashMapTest {
+public class LongIntHashMapTest extends JunitTracer {
 
     private static int iterations;
     private static LongIntUniqueRndValues pairs;