Added swap to array.

2 files changed, 25 insertions, 0 deletions

diff --git a/src/stable/array.h b/src/stable/array.h
index 86b57d9..885594b 100644
--- a/src/stable/array.h
+++ b/src/stable/array.h
@@ -103,6 +103,13 @@ namespace Bu
             iSize--;
         }
 
+        void swap( int iPos1, int iPos2 )
+        {
+            value tmp = pData[iPos1];
+            pData[iPos1] = pData[iPos2];
+            pData[iPos2] = tmp;
+        }
+
         valuealloc va;
         value *pData;
         long iSize;
@@ -732,6 +739,12 @@ namespace Bu
             core->swapErase( i.iPos );
         }
 
+        void swap( int iPos1, int iPos2 )
+        {
+            _hardCopy();
+            core->swap( iPos1, iPos2 );
+        }
+
     protected:
         virtual Core *_copyCore( Core *src )
         {
diff --git a/src/unit/array.unit b/src/unit/array.unit
index e9f2bdf..e2c08eb 100644
--- a/src/unit/array.unit
+++ b/src/unit/array.unit
@@ -109,4 +109,16 @@ suite Array
         aStr[1] = "Hello";
         aStr[0] = aStr[1].clone();
     }
+
+    test swap
+    {
+        Bu::Array<Bu::String> aStr( 3 );
+        aStr.append("One");
+        aStr.append("Three");
+        aStr.append("Two");
+
+        aStr.swap( 1, 2 );
+        unitTest( aStr[1] == "Two" );
+        unitTest( aStr[2] == "Three");
+    }
 }