def test6(self):
bv = BitVector(256, val_int=0)
for numbits in xrange(256,0,-1):
other = BitVector(numbits, 1<<(numbits-1))
bv.update_from(other)
self.assert_( bv.is_same_when_extended( other ))
other1 = BitVector(8,val_int=0xff)
for start in xrange(0,256-8):
bv = BitVector( 256, val_int=0 )
bv.update_from(other1, self_max = start+7, self_min = start)
expd = 0xff << start
bvd = bv.get_bin_data()
self.assert_(bvd == expd, "\nexpd=0x%x\nbv =0x%x" % (expd, bvd))
c = 0x12345678abcd112212345678abcd1122
c2 = 0x556611ff
other2 = BitVector(32,c2)
for start in xrange(0,256-32):
bv = BitVector( 256, c )
bv.update_from(other2, self_max = start+31, self_min = start)
expd = c & ~(0xffffffff << start) | ( c2 << start)
bvd = bv.get_bin_data()
self.assert_(bvd == expd, "\nstart=%d\nexpd=0x%x\nbv =0x%x" % (start, expd, bvd))
def test4(self):
bv = BitVector(32, 0x12345678)
for bitlen in xrange(1,32):
mask = ( 1 << bitlen ) - 1
for start in xrange(0,(32-bitlen+1)):
end = start + bitlen - 1
exp_d = ( 0x12345678 >> start ) & mask
bv_d = bv.get_bin_data( self_max=end, self_min=start)
# print "bv.get_bin_data(%d,%d) == 0x%x. Exp=0x%x" % (end, start, bv_d, exp_d)
self.assert_(bv_d == exp_d," exp:0x%x\nsaw:0x%x [%d,%d]" % (exp_d, bv_d, end,start))