diff --git a/src/axis.cpp b/src/axis.cpp
index 4cb9d12..a145ef0 100644
--- a/src/axis.cpp
+++ b/src/axis.cpp
@@ -14,7 +14,9 @@ AxisTickLabels *Axis::tickLabels() { return &tickLabels_; }
 
 bool Axis::direction() const { return direction_; }
 double Axis::minimum() const { return minimum_; }
+void Axis::setMinimum(const double value) { minimum_ = value; }
 double Axis::maximum() const { return maximum_; }
+void Axis::setMaximum(const double value) { maximum_ = value; }
 
 int Axis::tickCount() const { return tics_.size(); }
 
diff --git a/src/axis.h b/src/axis.h
index 401097c..51d99d2 100644
--- a/src/axis.h
+++ b/src/axis.h
@@ -3,14 +3,15 @@
 #include "axisTickLabels.h"
 #include <QQuick3DGeometry>
 #include <QVector3D>
+#include <gtest/gtest.h>
 
 class Axis : public QQuick3DGeometry
 {
     Q_OBJECT
     QML_NAMED_ELEMENT(Axis)
     Q_PROPERTY(double thickness MEMBER thickness_ NOTIFY dataChanged)
-    Q_PROPERTY(double minimum MEMBER minimum_ NOTIFY dataChanged)
-    Q_PROPERTY(double maximum MEMBER maximum_ NOTIFY dataChanged)
+    Q_PROPERTY(double minimum READ minimum WRITE setMinimum NOTIFY dataChanged)
+    Q_PROPERTY(double maximum READ maximum WRITE setMaximum NOTIFY dataChanged)
     Q_PROPERTY(bool direction MEMBER direction_ NOTIFY dataChanged)
     Q_PROPERTY(AxisTickLabels *tickLabels READ tickLabels NOTIFY dataChanged)
     Q_PROPERTY(int tickCount READ tickCount NOTIFY dataChanged)
@@ -21,7 +22,9 @@ class Axis : public QQuick3DGeometry
     AxisTickLabels *tickLabels();
     bool direction() const;
     double minimum() const;
+    void setMinimum(const double value);
     double maximum() const;
+    void setMaximum(const double value);
     int tickCount() const;
     double tick(int index) const;
     virtual double tickCoord(int index) const;
diff --git a/tests/axis.cpp b/tests/axis.cpp
index 4a57da9..343f349 100644
--- a/tests/axis.cpp
+++ b/tests/axis.cpp
@@ -1,8 +1,41 @@
 #include "axis.h"
+#include "logAxis.h"
 #include <gtest/gtest.h>
 
 namespace UnitTest
 {
 
-TEST(AxisTest, TickMarks) { EXPECT_EQ(1, 2); }
+void matchAxes(Axis &axis, std::vector<double> &points)
+{
+    axis.dataChanged();
+    ASSERT_EQ(axis.tickCount(), points.size());
+
+    for (int i = 0; i < axis.tickCount(); i++)
+    {
+        EXPECT_DOUBLE_EQ(points[i], axis.tick(i));
+    }
+}
+
+TEST(AxisTest, LinearMarks)
+{
+    Axis axis;
+    axis.setMinimum(-11.0);
+    axis.setMaximum(11.0);
+
+    std::vector<double> points = {-10, -5, 0, 5, 10};
+
+    matchAxes(axis, points);
+}
+
+TEST(AxisTest, LogMarks)
+{
+    LogAxis axis;
+    axis.setMinimum(0.1);
+    axis.setMaximum(10.0);
+
+    std::vector<double> points = {0.1, 0.2, 0.3, 0.5, 0.8, 1.0, 2.0, 3.0, 5.0, 8.0, 10.0};
+
+    matchAxes(axis, points);
+}
+
 } // namespace UnitTest