def test_front(self):
cb = CircularBuffer()
assert cb.peek() is None
cb.enqueue('A')
assert cb.peek() == 'A'
cb.enqueue('B')
assert cb.peek() == 'A'
cb.dequeue()
assert cb.peek() == 'B'
cb.dequeue()
assert cb.peek() is None
def test_enqueue(self):
cb = CircularBuffer()
cb.enqueue('A')
assert cb.peek() == 'A'
assert cb.size == 1
cb.enqueue('B')
assert cb.peek() == 'A'
assert cb.size == 2
cb.enqueue('C')
assert cb.peek() == 'A'
assert cb.size == 3
assert cb.is_empty() is False
import sys
sys.path.append("../build/lib.linux-x86_64-3.6")
import time
from circularbuffer import CircularBuffer
ba = bytearray(10)
b = CircularBuffer(48)
print(b)
print(b.write(b"Hello"))
print(b)
print(b.peek(3))
print(b.drop(2))
print(b)
print(b.peek(4))
print(b)
print(b.read(4))
print(b)
print(b.read(4))
print(b)
print(b.write(b"Hello"))
print(b)
print(b.clear())
print(b)
print("writemsg", b.writemsg(b"Hello"))
print(b)
print(b.peek(10))
print("peekmsg", b.peekmsg())
print(b)
print("readmsg", b.readmsg())