1 import math, tempfile, subprocess
3 import bup._helpers as _helpers
8 WVPASSEQ(xstat.timespec_to_nsecs((0, 0)), 0)
9 WVPASSEQ(xstat.timespec_to_nsecs((1, 0)), 10**9)
10 WVPASSEQ(xstat.timespec_to_nsecs((0, 10**9 / 2)), 500000000)
11 WVPASSEQ(xstat.timespec_to_nsecs((1, 10**9 / 2)), 1500000000)
12 WVPASSEQ(xstat.timespec_to_nsecs((-1, 0)), -10**9)
13 WVPASSEQ(xstat.timespec_to_nsecs((-1, 10**9 / 2)), -500000000)
14 WVPASSEQ(xstat.timespec_to_nsecs((-2, 10**9 / 2)), -1500000000)
15 WVEXCEPT(Exception, xstat.timespec_to_nsecs, (0, -1))
16 WVPASSEQ(type(xstat.timespec_to_nsecs((2, 22222222))), type(0))
17 WVPASSEQ(type(xstat.timespec_to_nsecs((-2, 22222222))), type(0))
19 WVPASSEQ(xstat.nsecs_to_timespec(0), (0, 0))
20 WVPASSEQ(xstat.nsecs_to_timespec(10**9), (1, 0))
21 WVPASSEQ(xstat.nsecs_to_timespec(500000000), (0, 10**9 / 2))
22 WVPASSEQ(xstat.nsecs_to_timespec(1500000000), (1, 10**9 / 2))
23 WVPASSEQ(xstat.nsecs_to_timespec(-10**9), (-1, 0))
24 WVPASSEQ(xstat.nsecs_to_timespec(-500000000), (-1, 10**9 / 2))
25 WVPASSEQ(xstat.nsecs_to_timespec(-1500000000), (-2, 10**9 / 2))
26 x = xstat.nsecs_to_timespec(1977777778)
27 WVPASSEQ(type(x[0]), type(0))
28 WVPASSEQ(type(x[1]), type(0))
29 x = xstat.nsecs_to_timespec(-1977777778)
30 WVPASSEQ(type(x[0]), type(0))
31 WVPASSEQ(type(x[1]), type(0))
33 WVPASSEQ(xstat.fstime_floor_secs(0), 0)
34 WVPASSEQ(xstat.fstime_floor_secs(10**9 / 2), 0)
35 WVPASSEQ(xstat.fstime_floor_secs(10**9), 1)
36 WVPASSEQ(xstat.fstime_floor_secs(-10**9 / 2), -1)
37 WVPASSEQ(xstat.fstime_floor_secs(-10**9), -1)
38 WVPASSEQ(type(xstat.fstime_floor_secs(10**9 / 2)), type(0))
39 WVPASSEQ(type(xstat.fstime_floor_secs(-10**9 / 2)), type(0))
43 _have_bup_utime_ns = _helpers.bup_utime_ns
44 except AttributeError, e:
45 _have_bup_utime_ns = False
48 def test_timespec_behavior():
49 if not _have_bup_utime_ns:
51 tmpdir = tempfile.mkdtemp(prefix='bup-tmetadata-')
53 path = tmpdir + '/foo'
54 open(path, 'w').close()
55 frac_ts = (0, 10**9 / 2)
56 _helpers.bup_utime_ns(path, (frac_ts, frac_ts))
57 st = _helpers.stat(path)
60 WVPASSEQ(atime_ts[0], 0)
61 WVPASS(atime_ts[1] == 0 or atime_ts[1] == frac_ts[1])
62 WVPASSEQ(mtime_ts[0], 0)
63 WVPASS(mtime_ts[1] == 0 or mtime_ts[1] == frac_ts[1])
64 if(mtime_ts[1] == frac_ts[1]):
65 # Sub-second resolution -- check behavior of negative timespecs.
66 neg_ts = (-43, 10**9 / 2)
67 _helpers.bup_utime_ns(path, (neg_ts, neg_ts))
68 st = _helpers.stat(path)
71 WVPASSEQ(atime_ts, neg_ts)
72 WVPASSEQ(mtime_ts, neg_ts)
74 subprocess.call(['rm', '-rf', tmpdir])