diff --git a/tests/CartesianTest.php b/tests/CartesianTest.php
index 693a7ecf2..649cd08b5 100644
--- a/tests/CartesianTest.php
+++ b/tests/CartesianTest.php
@@ -22,6 +22,20 @@ public function testHelmertOSWorkedExample()
         self::assertEquals(3909460.068, round($c->getX(), 3));
         self::assertEquals(-146987.302, round($c->getY(), 3));
         self::assertEquals(5019888.070, round($c->getZ(), 3));
-   }
+    }
+
+    public function testToString() {
+        $c = new Cartesian(1,2,3, RefEll::wgs84());
+
+        self::assertEquals('(1, 2, 3)', $c->__toString());
+    }
+
+    public function testGetters() {
+        $c = new Cartesian(1,2,3, RefEll::wgs84());
+        self::assertEquals(1, $c->getX());
+        self::assertEquals(2, $c->getY());
+        self::assertEquals(3, $c->getZ());
+        self::assertEquals(RefEll::wgs84(), $c->getRefEll());
+    }
 
 }
diff --git a/tests/LatLngTest.php b/tests/LatLngTest.php
index fa53a892c..ac3c9e07d 100644
--- a/tests/LatLngTest.php
+++ b/tests/LatLngTest.php
@@ -90,10 +90,30 @@ public function testWGS84ToNAD27()
     public function testNAD27ToWGS84()
     {
 
-        $LatLng = new LatLng(12.3, 12.3, 0, RefEll::clarke1866());
+        $LatLng = new LatLng(12.29939, 12.29855, 0, RefEll::clarke1866());
         $LatLng->toWGS84();
 
-        $expected = "(12.30061, 12.30145)";
+        $expected = "(12.3, 12.3)";
+        self::assertEquals($expected, $LatLng->__toString());
+    }
+
+    public function testWGS84ToIreland75()
+    {
+
+        $LatLng = new LatLng(12.3, 12.3, 0, RefEll::wgs84());
+        $LatLng->toIreland1975();
+
+        $expected = "(12.29557, 12.30201)";
+        self::assertEquals($expected, $LatLng->__toString());
+    }
+
+    public function testIreland75ToWGS84()
+    {
+
+        $LatLng = new LatLng(12.29557, 12.30201, 0, RefEll::airyModified());
+        $LatLng->toWGS84();
+
+        $expected = "(12.3, 12.3)";
         self::assertEquals($expected, $LatLng->__toString());
     }
 
diff --git a/tests/OSRefTest.php b/tests/OSRefTest.php
index f9ca236dd..8a4bd44e9 100644
--- a/tests/OSRefTest.php
+++ b/tests/OSRefTest.php
@@ -132,8 +132,14 @@ public function testIssue7() {
 
         self::assertEquals(52.06186, $osLatLng->getLat());
         self::assertEquals(-3.13916, $osLatLng->getLng());
+    }
 
-
+    public function testGetters() {
+        $osRef = new OSRef(100000, 200000, 123);
+        self::assertEquals(100000, $osRef->getX());
+        self::assertEquals(200000, $osRef->getY());
+        self::assertEquals(123, $osRef->getH());
+        self::assertEquals(RefEll::airy1830(), $osRef->getRefEll());
     }
 
 }