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Diffstat (limited to 'tests/fstar/hashmap_on_disk/HashmapMain.Properties.fst')
-rw-r--r-- | tests/fstar/hashmap_on_disk/HashmapMain.Properties.fst | 48 |
1 files changed, 0 insertions, 48 deletions
diff --git a/tests/fstar/hashmap_on_disk/HashmapMain.Properties.fst b/tests/fstar/hashmap_on_disk/HashmapMain.Properties.fst deleted file mode 100644 index beb3dc2c..00000000 --- a/tests/fstar/hashmap_on_disk/HashmapMain.Properties.fst +++ /dev/null @@ -1,48 +0,0 @@ -(** Properties about the hashmap written on disk *) -module HashmapMain.Properties -open Primitives -open HashmapMain.Funs - -#set-options "--z3rlimit 50 --fuel 0 --ifuel 1" - -/// Below, we focus on the functions to read from disk/write to disk to showcase -/// how such reasoning which mixes opaque functions together with a state-error -/// monad can be performed. - -(*** Hypotheses *) - -/// [state_v] gives us the hash map currently stored on disk -assume -val state_v : state -> hashmap_HashMap_t u64 - -/// [serialize] updates the hash map stored on disk -assume -val serialize_lem (hm : hashmap_HashMap_t u64) (st : state) : Lemma ( - match hashmap_utils_serialize hm st with - | Fail _ -> True - | Ok (st', ()) -> state_v st' == hm) - [SMTPat (hashmap_utils_serialize hm st)] - -/// [deserialize] gives us the hash map stored on disk, without updating it -assume -val deserialize_lem (st : state) : Lemma ( - match hashmap_utils_deserialize st with - | Fail _ -> True - | Ok (st', hm) -> hm == state_v st /\ st' == st) - [SMTPat (hashmap_utils_deserialize st)] - -(*** Lemmas *) - -/// The obvious lemma about [insert_on_disk]: the updated hash map stored on disk -/// is exactly the hash map produced from inserting the binding ([key], [value]) -/// in the hash map previously stored on disk. -val insert_on_disk_lem (key : usize) (value : u64) (st : state) : Lemma ( - match insert_on_disk key value st with - | Fail _ -> True - | Ok (st', ()) -> - let hm = state_v st in - match hashmap_HashMap_insert u64 hm key value with - | Fail _ -> False - | Ok hm' -> hm' == state_v st') - -let insert_on_disk_lem key value st = () |