IVGCVSW-3307 Add RefMemoryManager

Simple pool memory manager for use in the reference backend,
in order to make the backend usable for testing large networks.

Change-Id: I5694da29052c60f95b57da595c64cc114d75b8ba
Signed-off-by: Matthew Bentham <Matthew.Bentham@arm.com>

1 files changed, 48 insertions, 0 deletions

diff --git a/src/backends/reference/test/RefTensorHandleTests.cpp b/src/backends/reference/test/RefTensorHandleTests.cpp
new file mode 100644
index 0000000000..accf900975
--- /dev/null
+++ b/src/backends/reference/test/RefTensorHandleTests.cpp
@@ -0,0 +1,48 @@
+//
+// Copyright © 2017 Arm Ltd. All rights reserved.
+// SPDX-License-Identifier: MIT
+//
+#include <reference/RefTensorHandle.hpp>
+
+#include <boost/test/unit_test.hpp>
+
+BOOST_AUTO_TEST_SUITE(RefTensorHandleTests)
+using namespace armnn;
+
+BOOST_AUTO_TEST_CASE(AcquireAndRelease)
+{
+    std::shared_ptr<RefMemoryManager> memoryManager = std::make_shared<RefMemoryManager>();
+
+    TensorInfo info({1,1,1,1}, DataType::Float32);
+    RefTensorHandle handle(info, memoryManager);
+
+    handle.Manage();
+    handle.Allocate();
+
+    memoryManager->Acquire();
+    {
+        float *buffer = reinterpret_cast<float *>(handle.Map());
+
+        BOOST_CHECK(buffer != nullptr); // Yields a valid pointer
+
+        buffer[0] = 2.5f;
+
+        BOOST_CHECK(buffer[0] == 2.5f); // Memory is writable and readable
+
+    }
+    memoryManager->Release();
+
+    memoryManager->Acquire();
+    {
+        float *buffer = reinterpret_cast<float *>(handle.Map());
+
+        BOOST_CHECK(buffer != nullptr); // Yields a valid pointer
+
+        buffer[0] = 3.5f;
+
+        BOOST_CHECK(buffer[0] == 3.5f); // Memory is writable and readable
+    }
+    memoryManager->Release();
+}
+
+BOOST_AUTO_TEST_SUITE_END()
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