IVGCVSW-3561 Test the DynamicBackend class

 * Added unit test for valid dynamic backends
 * Added unit tests for various cases of invalid dynamic backends
   (invalid handle, malformed backends, incompatible version, etc.)

Signed-off-by: Matteo Martincigh <matteo.martincigh@arm.com>
Change-Id: I4c3b33702bb0faac2bbebe224f69908639b4fc54

1 files changed, 7 insertions, 1 deletions

diff --git a/src/backends/backendsCommon/DynamicBackend.cpp b/src/backends/backendsCommon/DynamicBackend.cpp
index 410265eb38..06d819b9a7 100644
--- a/src/backends/backendsCommon/DynamicBackend.cpp
+++ b/src/backends/backendsCommon/DynamicBackend.cpp
@@ -45,7 +45,13 @@ BackendId DynamicBackend::GetBackendId()
         throw RuntimeException("GetBackendId error: invalid function pointer");
     }
 
-    return BackendId(m_BackendIdFunction());
+    const char* backendId = m_BackendIdFunction();
+    if (backendId == nullptr)
+    {
+        throw RuntimeException("GetBackendId error: invalid backend id");
+    }
+
+    return BackendId(backendId);
 }
 
 BackendVersion DynamicBackend::GetBackendVersion()