+void HeaderCtrlTestCase::Reorder()
+{
+    static const int COL_COUNT = 4;
+
+    int n;
+
+    for ( n = 0; n < COL_COUNT; n++ )
+        m_header->AppendColumn(wxHeaderColumnSimple(wxString::Format("%d", n)));
+
+    wxArrayInt order = m_header->GetColumnsOrder(); // initial order: [0 1 2 3]
+    for ( n = 0; n < COL_COUNT; n++ )
+        CPPUNIT_ASSERT_EQUAL( n, order[n] );
+
+    wxHeaderCtrl::MoveColumnInOrderArray(order, 0, 2);
+    m_header->SetColumnsOrder(order);   // change order to [1 2 0 3]
+
+    order = m_header->GetColumnsOrder();
+    CPPUNIT_ASSERT_EQUAL( 1, order[0] );
+    CPPUNIT_ASSERT_EQUAL( 2, order[1] );
+    CPPUNIT_ASSERT_EQUAL( 0, order[2] );
+    CPPUNIT_ASSERT_EQUAL( 3, order[3] );
+
+    order[2] = 3;
+    order[3] = 0;
+    m_header->SetColumnsOrder(order);   // and now [1 2 3 0]
+    order = m_header->GetColumnsOrder();
+    CPPUNIT_ASSERT_EQUAL( 1, order[0] );
+    CPPUNIT_ASSERT_EQUAL( 2, order[1] );
+    CPPUNIT_ASSERT_EQUAL( 3, order[2] );
+    CPPUNIT_ASSERT_EQUAL( 0, order[3] );
+
+    wxHeaderCtrl::MoveColumnInOrderArray(order, 1, 3);
+    m_header->SetColumnsOrder(order);    // finally [2 3 0 1]
+    order = m_header->GetColumnsOrder();
+    CPPUNIT_ASSERT_EQUAL( 2, order[0] );
+    CPPUNIT_ASSERT_EQUAL( 3, order[1] );
+    CPPUNIT_ASSERT_EQUAL( 0, order[2] );
+    CPPUNIT_ASSERT_EQUAL( 1, order[3] );
+}
+