Graph unit tests (#656)

* Adding hipGraph unit tests

test/Gather_ManagedMem.cpp

@@ -12,15 +12,17 @@ namespace RcclUnitTesting
     TestBed testBed;
 
     // Configuration
-    std::vector<ncclFunc_t>     const funcTypes      = {ncclCollGather};
-    std::vector<ncclDataType_t> const dataTypes      = {ncclUint8, ncclUint32, ncclUint64};
-    std::vector<ncclRedOp_t>    const redOps         = {ncclSum};
-    std::vector<int>            const roots          = {1};
-    std::vector<int>            const numElements    = {1048576, 53327, 1024};
-    std::vector<bool>           const inPlaceList    = {false};
-    std::vector<bool>           const managedMemList = {true};
+    std::vector<ncclFunc_t>     const funcTypes       = {ncclCollGather};
+    std::vector<ncclDataType_t> const dataTypes       = {ncclUint8, ncclUint32, ncclUint64};
+    std::vector<ncclRedOp_t>    const redOps          = {ncclSum};
+    std::vector<int>            const roots           = {1};
+    std::vector<int>            const numElements     = {1048576, 53327, 1024};
+    std::vector<bool>           const inPlaceList     = {false};
+    std::vector<bool>           const managedMemList  = {true};
+    std::vector<bool>           const useHipGraphList = {false, true};
 
-    testBed.RunSimpleSweep(funcTypes, dataTypes, redOps, roots, numElements, inPlaceList, managedMemList);
+    testBed.RunSimpleSweep(funcTypes, dataTypes, redOps, roots, numElements,
+                           inPlaceList, managedMemList, useHipGraphList);
     testBed.Finalize();
   }
 }