def run_tests():
# type: () -> None
stdout = mylib.Stdout()
out = TextOutput(stdout)
out.write('foo\n')
out.write('bar\n')
log('Wrote %d bytes', out.num_chars)
#b = Base()
d = Derived()
#log(b.method())
log(d.method())
log(f(d))
def run_tests():
# type: () -> None
f = mylib.BufWriter()
for i in xrange(30):
f.write(chr(i + 65))
contents = f.getvalue()
log('Wrote %d bytes to StringIO', len(contents))
log('contents = %s ... %s', contents[:10], contents[-10:])
f2 = mylib.Stdout()
f2.write('stdout\n')