43 lines
674 B
Python
43 lines
674 B
Python
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import sys
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try:
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import uos as os
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except ImportError:
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import os
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if not hasattr(os, "unlink"):
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print("SKIP")
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sys.exit()
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# cleanup in case testfile exists
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try:
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os.unlink("testfile")
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except OSError:
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pass
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try:
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f = open("testfile", "r+b")
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print("Unexpectedly opened non-existing file")
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except OSError:
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print("Expected OSError")
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pass
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f = open("testfile", "w+b")
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f.write(b"1234567890")
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f.seek(0)
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print(f.read())
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f.close()
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# Open with truncation
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f = open("testfile", "w+b")
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f.write(b"abcdefg")
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f.seek(0)
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print(f.read())
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f.close()
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# Open without truncation
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f = open("testfile", "r+b")
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f.write(b"1234")
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f.seek(0)
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print(f.read())
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f.close()
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