def test_window(self):
wl = MapWindow(0, 1) # left
wc = MapWindow(1, 1) # center
wc2 = MapWindow(10, 5) # another center
wr = MapWindow(8000, 50) # right
assert wl.ofs_end() == 1
assert wc.ofs_end() == 2
assert wr.ofs_end() == 8050
# extension does nothing if already in place
maxsize = 100
wc.extend_left_to(wl, maxsize)
assert wc.ofs == 1 and wc.size == 1
wl.extend_right_to(wc, maxsize)
wl.extend_right_to(wc, maxsize)
assert wl.ofs == 0 and wl.size == 1
# an actual left extension
pofs_end = wc2.ofs_end()
wc2.extend_left_to(wc, maxsize)
assert wc2.ofs == wc.ofs_end() and pofs_end == wc2.ofs_end()
# respects maxsize
wc.extend_right_to(wr, maxsize)
assert wc.ofs == 1 and wc.size == maxsize
wc.extend_right_to(wr, maxsize)
assert wc.ofs == 1 and wc.size == maxsize
# without maxsize
wc.extend_right_to(wr, sys.maxsize)
assert wc.ofs_end() == wr.ofs and wc.ofs == 1
# extend left
wr.extend_left_to(wc2, maxsize)
wr.extend_left_to(wc2, maxsize)
assert wr.size == maxsize
wr.extend_left_to(wc2, sys.maxsize)
assert wr.ofs == wc2.ofs_end()
wc.align()
assert wc.ofs == 0 and wc.size == align_to_mmap(wc.size, True)
def test_window(self):
wl = MapWindow(0, 1) # left
wc = MapWindow(1, 1) # center
wc2 = MapWindow(10, 5) # another center
wr = MapWindow(8000, 50) # right
assert wl.ofs_end() == 1
assert wc.ofs_end() == 2
assert wr.ofs_end() == 8050
# extension does nothing if already in place
maxsize = 100
wc.extend_left_to(wl, maxsize)
assert wc.ofs == 1 and wc.size == 1
wl.extend_right_to(wc, maxsize)
wl.extend_right_to(wc, maxsize)
assert wl.ofs == 0 and wl.size == 1
# an actual left extension
pofs_end = wc2.ofs_end()
wc2.extend_left_to(wc, maxsize)
assert wc2.ofs == wc.ofs_end() and pofs_end == wc2.ofs_end()
# respects maxsize
wc.extend_right_to(wr, maxsize)
assert wc.ofs == 1 and wc.size == maxsize
wc.extend_right_to(wr, maxsize)
assert wc.ofs == 1 and wc.size == maxsize
# without maxsize
wc.extend_right_to(wr, sys.maxsize)
assert wc.ofs_end() == wr.ofs and wc.ofs == 1
# extend left
wr.extend_left_to(wc2, maxsize)
wr.extend_left_to(wc2, maxsize)
assert wr.size == maxsize
wr.extend_left_to(wc2, sys.maxsize)
assert wr.ofs == wc2.ofs_end()
wc.align()
assert wc.ofs == 0 and wc.size == align_to_mmap(wc.size, True)
