diff --git a/test/gtest_observations.cpp b/test/gtest_observations.cpp
index e4003535ecf585bebbee1bed7748e4053197104c..6da3a598a16e74907933d7f5659f0fbf54b01764 100644
--- a/test/gtest_observations.cpp
+++ b/test/gtest_observations.cpp
@@ -38,6 +38,7 @@ TEST(ObservationsTest, AddClearObservation)
   }
 
   ASSERT_TRUE(obs.n == observations.getObservations().size());
+  ASSERT_TRUE(obs.n == observations.size());
 
   // Testing clear
   observations.clearObservations();
@@ -108,6 +109,20 @@ TEST(ObservationsTest, data)
   }
 }
 
+TEST(ObservationsTest, HasSatellite)
+{
+  loadRinex();
+
+  Observations observations;
+  observations.loadFromRinex(rnx_file.c_str(), t_start, t_end, dt, opt);
+
+
+  for (int ii = 0; ii < obs.n; ++ii)
+  {
+    ASSERT_TRUE(observations.hasSatellite(obs.data[ii].sat));
+  }
+}
+
 int main(int argc, char** argv)
 {
   testing::InitGoogleTest(&argc, argv);