1 files changed, 53 insertions, 0 deletions
diff --git a/src/armnn/test/FlowControl.cpp b/src/armnn/test/FlowControl.cpp
new file mode 100644
index 0000000000..3bc993b33b
--- /dev/null
+++ b/src/armnn/test/FlowControl.cpp
@@ -0,0 +1,53 @@
+//
+// Copyright © 2017 Arm Ltd. All rights reserved.
+// SPDX-License-Identifier: MIT
+//
+
+#include <armnn/Descriptors.hpp>
+#include <armnn/IRuntime.hpp>
+#include <armnn/INetwork.hpp>
+
+#include <boost/test/unit_test.hpp>
+
+#include <set>
+
+BOOST_AUTO_TEST_SUITE(FlowControl)
+
+BOOST_AUTO_TEST_CASE(ErrorOnLoadNetwork)
+{
+    using namespace armnn;
+
+    // Create runtime in which test will run
+    IRuntime::CreationOptions options;
+    IRuntimePtr runtime(IRuntime::Create(options));
+
+    // build up the structure of the network
+    // It's equivalent to something like
+    // if (0) {} else {}
+    INetworkPtr net(INetwork::Create());
+
+    std::vector<uint8_t> falseData = {0};
+    ConstTensor falseTensor(armnn::TensorInfo({1}, armnn::DataType::Boolean), falseData);
+    IConnectableLayer* constLayer = net->AddConstantLayer(falseTensor, "const");    
+    constLayer->GetOutputSlot(0).SetTensorInfo(armnn::TensorInfo({1}, armnn::DataType::Boolean));
+
+    IConnectableLayer* input = net->AddInputLayer(0);
+
+    IConnectableLayer* switchLayer = net->AddSwitchLayer("switch");
+    IConnectableLayer* mergeLayer = net->AddMergeLayer("merge");
+
+    IConnectableLayer* output = net->AddOutputLayer(0);
+
+    input->GetOutputSlot(0).Connect(switchLayer->GetInputSlot(0));
+    constLayer->GetOutputSlot(0).Connect(switchLayer->GetInputSlot(1));
+    switchLayer->GetOutputSlot(0).Connect(mergeLayer->GetInputSlot(0));
+    switchLayer->GetOutputSlot(1).Connect(mergeLayer->GetInputSlot(1));
+    mergeLayer->GetOutputSlot(0).Connect(output->GetInputSlot(0));
+
+    // optimize the network
+    std::vector<BackendId> backends = {Compute::CpuRef};
+    IOptimizedNetworkPtr optNet = Optimize(*net, backends, runtime->GetDeviceSpec());
+    BOOST_CHECK(!optNet); // Should have failed to optimise, as flow control is not yet implemented
+}
+
+BOOST_AUTO_TEST_SUITE_END()