def test_duplicate_buffers():
@run_to_buffer
def x(data):
t = data.draw_bytes(10)
if not any(t):
data.mark_invalid()
s = data.draw_bytes(10)
if s == t:
data.mark_interesting()
assert x == bytes_from_list([0] * 9 + [1]) * 2
def test_duplicate_buffers():
@run_to_buffer
def x(data):
t = data.draw_bytes(10)
if not any(t):
data.mark_invalid()
s = data.draw_bytes(10)
if s == t:
data.mark_interesting()
assert x == bytes_from_list([0] * 9 + [1]) * 2
def draw_float_bytes(random, n):
assert n == 8
while True:
i = random.randint(1, 10)
if i <= 4:
f = random.choice(NASTY_FLOATS)
elif i == 5:
return bytes_from_list(random.randint(0, 255) for _ in range(8))
elif i == 6:
f = random.random() * (random.randint(0, 1) * 2 - 1)
elif i == 7:
f = random.gauss(0, 1)
elif i == 8:
f = float(random.randint(-2 ** 63, 2 ** 63))
else:
f = random.gauss(random.randint(-2 ** 63, 2 ** 63), 1)
if self.permitted(f):
return struct.pack(b"!d", f)
def draw_float_bytes(random, n):
assert n == 8
while True:
i = random.randint(1, 10)
if i <= 4:
f = random.choice(NASTY_FLOATS)
elif i == 5:
return bytes_from_list(
random.randint(0, 255) for _ in range(8))
elif i == 6:
f = random.random() * (random.randint(0, 1) * 2 - 1)
elif i == 7:
f = random.gauss(0, 1)
elif i == 8:
f = float(random.randint(-2**63, 2**63))
else:
f = random.gauss(random.randint(-2**63, 2**63), 1)
if self.permitted(f):
return struct.pack(b'!d', f)
def draw_constant(data, n):
return bytes_from_list([self.random.randint(0, 255)] * n)
def draw_constant(data, n, distribution):
return bytes_from_list([
self.random.randint(0, 255)
] * n)