diff --git a/test/classes/gis/PMA_GIS_Multilinestring_test.php b/test/classes/gis/PMA_GIS_Multilinestring_test.php
index a0ab50f040..e41b4b364a 100644
--- a/test/classes/gis/PMA_GIS_Multilinestring_test.php
+++ b/test/classes/gis/PMA_GIS_Multilinestring_test.php
@@ -198,5 +198,39 @@ class PMA_GIS_MultilinestringTest extends PMA_GIS_GeomTest
             )
         );
     }
+
+    /**
+     * test scaleRow method
+     *
+     * @param string $spatial spatial data of a row
+     * @param array  $min_max expected results
+     *
+     * @dataProvider providerForTestScaleRow
+     * @return nothing
+     */
+    public function testScaleRow($spatial, $min_max)
+    {
+        $this->assertEquals($this->object->scaleRow($spatial), $min_max);
+    }
+
+    /**
+     * data provider for testScaleRow
+     *
+     * @return data for testScaleRow
+     */
+    public function providerForTestScaleRow()
+    {
+        return array(
+            array(
+                'MULTILINESTRING((36 14,47 23,62 75),(36 10,17 23,178 53))',
+                array(
+                    'minX' => 17,
+                    'maxX' => 178,
+                    'minY' => 10,
+                    'maxY' => 75
+                )
+            )
+        );
+    }
 }
 ?>
\ No newline at end of file
diff --git a/test/classes/gis/PMA_GIS_Multipoint_test.php b/test/classes/gis/PMA_GIS_Multipoint_test.php
index 1d5fcdfe53..f3ba91e01e 100644
--- a/test/classes/gis/PMA_GIS_Multipoint_test.php
+++ b/test/classes/gis/PMA_GIS_Multipoint_test.php
@@ -142,5 +142,39 @@ class PMA_GIS_MultipointTest extends PMA_GIS_GeomTest
             )
         );
     }
+
+    /**
+     * test scaleRow method
+     *
+     * @param string $spatial spatial data of a row
+     * @param array  $min_max expected results
+     *
+     * @dataProvider providerForTestScaleRow
+     * @return nothing
+     */
+    public function testScaleRow($spatial, $min_max)
+    {
+        $this->assertEquals($this->object->scaleRow($spatial), $min_max);
+    }
+
+    /**
+     * data provider for testScaleRow
+     *
+     * @return data for testScaleRow
+     */
+    public function providerForTestScaleRow()
+    {
+        return array(
+            array(
+                'MULTIPOINT(12 35,48 75,69 23,25 45,14 53,35 78)',
+                array(
+                    'minX' => 12,
+                    'maxX' => 69,
+                    'minY' => 23,
+                    'maxY' => 78
+                )
+            )
+        );
+    }
 }
 ?>
\ No newline at end of file
diff --git a/test/classes/gis/PMA_GIS_Point_test.php b/test/classes/gis/PMA_GIS_Point_test.php
index 9f9ef21a10..7ab89bc827 100644
--- a/test/classes/gis/PMA_GIS_Point_test.php
+++ b/test/classes/gis/PMA_GIS_Point_test.php
@@ -144,5 +144,39 @@ class PMA_GIS_PointTest extends PMA_GIS_GeomTest
             )
         );
     }
+
+    /**
+     * test scaleRow method
+     *
+     * @param string $spatial spatial data of a row
+     * @param array  $min_max expected results
+     *
+     * @dataProvider providerForTestScaleRow
+     * @return nothing
+     */
+    public function testScaleRow($spatial, $min_max)
+    {
+        $this->assertEquals($this->object->scaleRow($spatial), $min_max);
+    }
+
+    /**
+     * data provider for testScaleRow
+     *
+     * @return data for testScaleRow
+     */
+    public function providerForTestScaleRow()
+    {
+        return array(
+            array(
+                'POINT(12 35)',
+                array(
+                    'minX' => 12,
+                    'maxX' => 12,
+                    'minY' => 35,
+                    'maxY' => 35,
+                )
+            )
+        );
+    }
 }
 ?>
\ No newline at end of file