IVGCVSW-1863 Unit tests for NHWC L2Normalization

 * Added NHWC unit test implementation
 * Programmatically selected the channel dimension when creating
   the ACL Normalization layer info
 * Set the input/output data layout in the constructor of the L2Normalization
   workload

Change-Id: Ie69f1a360022c29d1a3a3808c1f26b69243fa8f9

1 files changed, 15 insertions, 2 deletions

diff --git a/src/backends/test/ClContextControlFixture.hpp b/src/backends/test/ClContextControlFixture.hpp
index c81428ff82..fd53e3fcf3 100644
--- a/src/backends/test/ClContextControlFixture.hpp
+++ b/src/backends/test/ClContextControlFixture.hpp
@@ -10,9 +10,22 @@
 template<bool ProfilingEnabled>
 struct ClContextControlFixtureBase
 {
+    static ClContextControlFixtureBase*& Instance()
+    {
+        static ClContextControlFixtureBase* s_Instance = nullptr;
+        return s_Instance;
+    }
+
     // Initialising ClContextControl to ensure OpenCL is loaded correctly for each test case
-    ClContextControlFixtureBase() : m_ClContextControl(nullptr, ProfilingEnabled) {}
-    ~ClContextControlFixtureBase() {}
+    ClContextControlFixtureBase()
+        : m_ClContextControl(nullptr, ProfilingEnabled)
+    {
+        Instance() = this;
+    }
+    ~ClContextControlFixtureBase()
+    {
+        Instance() = nullptr;
+    }
 
     armnn::ClContextControl m_ClContextControl;
 };