diff --git a/gtsam/inference/tests/testFactorGraph.cpp b/gtsam/inference/tests/testFactorGraph.cpp
new file mode 100644
index 000000000..a3a69e72d
--- /dev/null
+++ b/gtsam/inference/tests/testFactorGraph.cpp
@@ -0,0 +1,44 @@
+/* ----------------------------------------------------------------------------
+
+ * GTSAM Copyright 2010, Georgia Tech Research Corporation,
+ * Atlanta, Georgia 30332-0415
+ * All Rights Reserved
+ * Authors: Frank Dellaert, et al. (see THANKS for the full author list)
+
+ * See LICENSE for the license information
+
+ * -------------------------------------------------------------------------- */
+
+/**
+ * @file    testFactorGraph.cpp
+ * @author  Yao Chen
+ */
+
+#include <gtsam/nonlinear/NonlinearFactorGraph.h>
+#include <gtsam/slam/ProjectionFactor.h>
+#include <gtsam/inference/Symbol.h>
+
+#include <gtsam/base/TestableAssertions.h>
+#include <CppUnitLite/TestHarness.h>
+
+using namespace std;
+using namespace gtsam;
+
+
+TEST(FactorGraph, testEmplaceShared) {
+    Cal3_S2::shared_ptr K(new Cal3_S2(50.0, 50.0, 0.0, 50.0, 50.0));
+    noiseModel::Isotropic::shared_ptr measurementNoise = noiseModel::Isotropic::Sigma(2, 1.0);
+    Point2 measurement(10.0, 10.0);
+
+    NonlinearFactorGraph graph;
+    graph.push_back(GenericProjectionFactor<Pose3, Point3, Cal3_S2>(measurement, measurementNoise, Symbol('x', 0), Symbol('l', 0), K));
+    graph.emplace_shared<GenericProjectionFactor<Pose3, Point3, Cal3_S2> >(measurement, measurementNoise, Symbol('x', 0), Symbol('l', 0), K);
+
+    EXPECT_LONGS_EQUAL(2, graph.size());
+    EXPECT(graph[0]->equals(*(graph[1])));
+}
+
+
+/* ************************************************************************* */
+int main() { TestResult tr; return TestRegistry::runAllTests(tr); }
+/* ************************************************************************* */