def test_long_value():
value_min = FFI.new('volatile long *', MIN)
value_max = FFI.new('volatile long *', MAX)
# print(f"value_min={value_min} value_max={value_max}")
# print(f"value_min={value_min[0]} value_max={value_max[0]}")
assert value_min[0] == MIN
assert value_max[0] == MAX
def test_store_default():
print()
store = FFI.new('sequence_store *')
assert store.entry_count == 0
assert store.producer_sequence == 0
assert store.consumer_count == 0
assert list(store.consumer_sequence_list) == [0 for _ in range(CONSUMER_LIMIT)]
def __init__(self, entry_count:int=16):
sequence_store = FFI.new('sequence_store *',
init=dict(
entry_count=entry_count,
),
)
object.__setattr__(self, 'sequence_store', sequence_store)
def test_long_value_incr_and_mask():
print()
store = FFI.new('volatile long *', MAX - 2)
for _ in range(8):
point = LIB.long_value_incr_and_mask(store, 1, 0x3)
value = hex(store[0])
print(f"point={point} value={value}")
def test_consumer_sequence_gate(cons_seq_list):
store = FFI.new('sequence_store *')
size = len(cons_seq_list)
if size:
store.consumer_count = size
store.consumer_sequence_list = cons_seq_list
source = LIB.consumer_sequence_gate(store)
target = min(cons_seq_list)
assert source == target
def test_producer_sequence_claim():
print()
store = FFI.new('sequence_store *')
store.entry_count = 8
store.producer_sequence = 0
store.consumer_count = 1
store.consumer_sequence_list = [0]
for index in range(10):
sequence = LIB.producer_sequence_claim(store)
error_num = FFI.errno
print(f"index={index} sequence={sequence} error_num={error_num}")
def test_long_value_compare_and_swap():
store = FFI.new('volatile long *', 0)
assert LIB.long_value_compare_and_swap(store, 0, 10) == 0
assert LIB.long_value_compare_and_swap(store, 10, 20) == 10
def test_long_bool_compare_and_swap():
store = FFI.new('volatile long *', 0)
assert LIB.long_bool_compare_and_swap(store, 0, 10) == True
assert LIB.long_bool_compare_and_swap(store, 1, 20) == False
def test_long_sub_and_fetch():
store = FFI.new('volatile long *', 0)
assert LIB.long_sub_and_fetch(store, 1) == -1
assert LIB.long_sub_and_fetch(store, 10) == -11
def long_add_and_fetch():
store = FFI.new('volatile long *', 0)
assert LIB.long_add_and_fetch(store, 1) == 1
assert LIB.long_add_and_fetch(store, 10) == 11