diff --git a/cpp/testBinaryBayesNet.cpp b/cpp/testBinaryBayesNet.cpp
new file mode 100644
index 000000000..4717cac72
--- /dev/null
+++ b/cpp/testBinaryBayesNet.cpp
@@ -0,0 +1,27 @@
+/**
+ * @file    testBinaryBayesNet.cpp
+ * @brief   Unit tests for Bayes Tree
+ * @author  Frank Dellaert
+ */
+
+#include <CppUnitLite/TestHarness.h>
+
+using namespace gtsam;
+
+/* ************************************************************************* */
+TEST( BinaryBayesNet, constructor )
+{
+	map<string,BinaryCPT> tables;
+	BinaryCPT pA(0.01);tables.insert("A",pA);
+	BinaryCPT pB("S",0.6,0.3);
+	BinaryBayesNet binaryBayesNet(tables);
+	BinaryConfig allFalse(false,false,false,...);
+	DOUBLES_EQUAL(0.12,binaryBayesNet.probability(allFalse));
+}
+
+/* ************************************************************************* */
+int main() {
+	TestResult tr;
+	return TestRegistry::runAllTests(tr);
+}
+/* ************************************************************************* */