import time, codecs, cStringIO as StringIO

count = 1000000

def test(uni, enc, err):
	luni = uni*count
	try:
		t1 = time.time()
		str = luni.encode(enc, err)
		t2 = time.time()
		note = ""
	except UnicodeError:
		t2 = time.time()
		note = "(exc)"
	except ValueError:
		if err=="xmlcharrefreplace":
			t1 = time.time()
			v = StringIO.StringIO()
			writer = codecs.getwriter(enc)(v)
			for c in luni:
				try:
					writer.write(c)
				except UnicodeError:
					writer.write(u"&#%d;" % ord(c))
			str = v.getvalue()
			t2 = time.time()
		elif err=="backslashreplace":
			t1 = time.time()
			v = StringIO.StringIO()
			writer = codecs.getwriter(enc)(v)
			for c in luni:
				try:
					writer.write(c)
				except UnicodeError:
					if ord(c)<=0xff:
						writer.write(u"\\x%02x" % ord(c))
					elif ord(c)<=0xffff:
						writer.write(u"\\u%04x" % ord(c))
					else:
						writer.write(u"\\U%08x" % ord(c))
			str = v.getvalue()
			t2 = time.time()
		else:
			raise
		note = "(emu)"
	print "%-15r %-15s %-18s %7.03f %s" % (uni, enc, err, t2-t1, note)

for uni in (u"x", u"\xe4", u"\u3042", u"a\xe4", u"a\xe4\u3042"):
	for enc in ("ascii", "latin-1", "iso-8859-15", "utf-8", "utf-7", "utf-16"):
		for err in ("strict", "ignore", "replace", "xmlcharrefreplace", "backslashreplace"):
			test(uni, enc, err)