mirror of https://github.com/arendst/Tasmota.git
67 lines
1.6 KiB
Python
67 lines
1.6 KiB
Python
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#- test for bytes with fixed sizes -#
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def assert_attribute_error(f)
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try
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f()
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assert(false, 'unexpected execution flow')
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except .. as e, m
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assert(e == 'attribute_error')
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end
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end
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#- simple initialization -#
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b=bytes(-1)
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assert(str(b) == "bytes('00')")
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b=bytes(-5)
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assert(str(b) == "bytes('0000000000')")
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#- initialization with hex -#
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b=bytes("11", -1)
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assert(str(b) == "bytes('11')")
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b=bytes("11", -5)
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assert(str(b) == "bytes('1100000000')")
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b=bytes("11223344", -4)
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assert(str(b) == "bytes('11223344')")
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assert(str(bytes(-3).fromb64('RFVm')) == "bytes('445566')")
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#- check that get and set still works -#
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b=bytes("11223344",-4)
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assert(b.get(0,2) == 0x2211)
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b.set(0,0x5566,2)
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assert(b.get(0,2) == 0x5566)
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assert(b[0] == 0x66)
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b[0]=12
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assert(b[0] == 12)
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#- resize -#
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b=bytes("11223344",-4)
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assert(b.resize(4) == bytes('11223344'))
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#- check that changing size raises an exception -#
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b=bytes("112233", -3)
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assert_attribute_error(/-> b.add(1))
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assert_attribute_error(/-> b.add(2,2))
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assert_attribute_error(/-> b.resize(4))
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assert_attribute_error(/-> b.fromstring("aaaaa"))
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assert_attribute_error(/-> b.fromb64('RFVmdw=='))
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assert_attribute_error(/-> b.clear())
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assert_attribute_error(/-> b.bytes())
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#- add -#
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b=bytes("112233", -3)
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assert(b+b == bytes("112233112233"))
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#- bytes mapped -#
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b1=bytes("112233445566")
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ptr=b1._buffer()
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b2=bytes(ptr, -4)
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assert(b2 == bytes("11223344"))
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b2=bytes(ptr, 4)
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assert(b2 == bytes("11223344"))
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b2=bytes(ptr, 6)
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assert(b2 == bytes("112233445566"))
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assert(b1 == b2)
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b2.set(0,0xAABB,2)
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assert(b2 == bytes("BBAA33445566"))
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assert(b1 == bytes("BBAA33445566"))
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assert(b1 == b2)
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