fix for issue #1023

Better error for core size mismatch during activation/load

adding pyocf test for new error code

Signed-off-by: Piotr Debski <piotr.debski@intel.com>

tests/functional/pyocf/types/shared.py

@@ -53,6 +53,7 @@ class OcfErrorCode(IntEnum):
     OCF_ERR_METADATA_LAYOUT_MISMATCH = auto()
     OCF_ERR_CACHE_LINE_SIZE_MISMATCH = auto()
     OCF_ERR_CACHE_STANDBY = auto()
+    OCF_ERR_CORE_SIZE_MISMATCH = auto()
     OCF_ERR_STANDBY_ATTACHED = auto()
 
 

tests/functional/pyocf/types/volume.py

@@ -256,6 +256,12 @@ class Volume(Structure):
     def get_length(self):
         return self.size
 
+    def resize(self, size):
+        self.size = size
+        self.data = create_string_buffer(int(self.size))
+        memset(self.data, self.VOLUME_POISON, self.size)
+        self._storage = cast(self.data, c_void_p)
+
     def get_max_io_size(self):
         return S.from_KiB(128)