diff --git a/tests/test.cpp b/tests/test.cpp
new file mode 100644
--- /dev/null
+++ b/tests/test.cpp
@@ -0,0 +1,79 @@
+/*
+  Copyright © 2017 Hasan Yavuz Özderya
+
+  This file is part of serialplot.
+
+  serialplot is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  serialplot is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with serialplot.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#define CATCH_CONFIG_MAIN  // This tells Catch to provide a main() - only do this in one cpp file
+#include "catch.hpp"
+
+#include "datachunk.h"
+
+TEST_CASE("DataChunk created empty", "[memory]")
+{
+    DataChunk c(0, 1000);
+    REQUIRE(c.size() == 0);
+    REQUIRE(c.capacity() == 1000);
+    REQUIRE(c.start() == 0);
+    REQUIRE(c.end() == 0);
+    REQUIRE_FALSE(c.isFull());
+    REQUIRE(c.left() == 1000);
+}
+
+TEST_CASE("adding data to DataChunk", "[memory]")
+{
+    DataChunk c(0, 1000);
+    double samples[10] = {1,2,3,4,5,6,7,8,9,10};
+    c.addSamples(samples, 10);
+
+    REQUIRE(c.size() == 10);
+    REQUIRE(c.capacity() == 1000);
+    REQUIRE(c.start() == 0);
+    REQUIRE(c.end() == 10);
+    REQUIRE(c.left() == 990);
+
+    for (int i = 0; i < 10; i++)
+    {
+        REQUIRE(c.sample(i) == samples[i]);
+    }
+
+    REQUIRE(c.min() == 1);
+    REQUIRE(c.max() == 10);
+    REQUIRE(c.avg() == Approx(5.5));
+    REQUIRE(c.meanSquare() == Approx(38.5));
+}
+
+TEST_CASE("filling data chunk", "[memory]")
+{
+    DataChunk c(0, 1000);
+
+    for (int i = 0; i < 1000; i++)
+    {
+        double sample = i + 1;
+        c.addSamples(&sample, 1);
+    }
+
+    REQUIRE(c.size() == 1000);
+    REQUIRE(c.capacity() == 1000);
+    REQUIRE(c.start() == 0);
+    REQUIRE(c.end() == 1000);
+    REQUIRE(c.left() == 0);
+
+    REQUIRE(c.min() == 1);
+    REQUIRE(c.max() == 1000);
+    REQUIRE(c.avg() == Approx(500.5));
+    REQUIRE(c.meanSquare() == Approx(333833.5));
+}