76 lines
1.8 KiB
Python
76 lines
1.8 KiB
Python
import errno as uerrno
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import os as uos
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try:
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uos.VfsFat
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except AttributeError:
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print("SKIP")
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raise SystemExit
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class RAMFS:
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SEC_SIZE = 512
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def __init__(self, blocks):
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self.data = bytearray(blocks * self.SEC_SIZE)
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def readblocks(self, n, buf):
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# print("readblocks(%s, %x(%d))" % (n, id(buf), len(buf)))
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for i in range(len(buf)):
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buf[i] = self.data[n * self.SEC_SIZE + i]
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return 0
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def writeblocks(self, n, buf):
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# print("writeblocks(%s, %x)" % (n, id(buf)))
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for i in range(len(buf)):
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self.data[n * self.SEC_SIZE + i] = buf[i]
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return 0
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def ioctl(self, op, arg):
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# print("ioctl(%d, %r)" % (op, arg))
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if op == 4: # MP_BLOCKDEV_IOCTL_BLOCK_COUNT
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return len(self.data) // self.SEC_SIZE
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if op == 5: # MP_BLOCKDEV_IOCTL_BLOCK_SIZE
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return self.SEC_SIZE
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try:
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bdev = RAMFS(50)
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except MemoryError:
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print("SKIP")
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raise SystemExit
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uos.VfsFat.mkfs(bdev)
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vfs = uos.VfsFat(bdev)
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uos.mount(vfs, "/ramdisk")
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uos.chdir("/ramdisk")
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vfs.label = "labelæ"
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# This label would normally be LABELÆ but our limited upper casing does "LABELæ"
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print(vfs.label)
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# Check ASCII case-insensitivity
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vfs.mkdir("fooaz")
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print(uos.listdir(""))
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vfs.rmdir("fOOAZ")
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# Check ASCII case-insensitivity for long names (8+ characters)
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vfs.mkdir("123456789fooaz")
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print(uos.listdir(""))
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vfs.rmdir("123456789fOOAZ")
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# Characters outside of a-z are case sensitive.
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vfs.mkdir("extended_æ")
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print(uos.listdir(""))
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# Normally this would work ok. With our limited uppercasing, it won't.
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try:
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vfs.rmdir("extended_Æ")
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except OSError as e:
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print(e.errno == uerrno.ENOENT)
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vfs.rmdir("extended_æ")
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# Emoji test for fun.
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vfs.mkdir("emoji_😀")
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vfs.rmdir("emoji_😀")
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