kopia lustrzana https://github.com/micropython/micropython
49 wiersze
1.1 KiB
Python
49 wiersze
1.1 KiB
Python
# Test that errno's propagate correctly through btree module.
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try:
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import btree, io, errno
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io.IOBase
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except (ImportError, AttributeError):
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print("SKIP")
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raise SystemExit
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class Device(io.IOBase):
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def __init__(self, read_ret=0, ioctl_ret=0):
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self.read_ret = read_ret
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self.ioctl_ret = ioctl_ret
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def readinto(self, buf):
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print("read", len(buf))
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return self.read_ret
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def ioctl(self, cmd, arg):
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print("ioctl", cmd)
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return self.ioctl_ret
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# Invalid pagesize; errno comes from btree library
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try:
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import btree, io, errno
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db = btree.open(Device(), pagesize=511)
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except OSError as er:
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print("OSError", er.errno == errno.EINVAL)
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# Valid pagesize, device returns error on read; errno comes from Device.readinto
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try:
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import btree, io, errno
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db = btree.open(Device(-1000), pagesize=512)
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except OSError as er:
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print(repr(er))
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# Valid pagesize, device returns error on seek; errno comes from Device.ioctl
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try:
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import btree, io, errno
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db = btree.open(Device(0, -1001), pagesize=512)
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except OSError as er:
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print(repr(er))
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