SWDEV-400119 - Added Unit_hipMemGetInfo_FreeLessThanTotal (#329)

Change-Id: Ia023d41ce4f941a03bccb8bf7dd59021e19d83b8

catch/unit/memory/hipMemGetInfo.cc

@@ -574,3 +574,18 @@ TEST_CASE("Unit_hipMemGetInfo_Negative") {
 
   HIP_CHECK(hipFree(A_mem));
 }
+
+TEST_CASE("Unit_hipMemGetInfo_FreeLessThanTotal") {
+  unsigned int *A_mem{nullptr};
+  size_t freeMemInit, totalMemInit;
+  size_t freeMem, totalMem;
+
+  HIP_CHECK(hipMemGetInfo(&freeMemInit, &totalMemInit));
+  REQUIRE(freeMemInit <= totalMemInit);
+  HIP_CHECK(hipMalloc(&A_mem, 1024));
+  HIP_CHECK(hipMemGetInfo(&freeMem, &totalMem));
+  REQUIRE(freeMem < totalMem);
+  REQUIRE(totalMem == totalMemInit);
+
+  HIP_CHECK(hipFree(A_mem));
+}