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package sasl
import (
"bufio"
"strings"
"golang.org/x/text/transform"
. "gopkg.in/check.v1"
)
func (s *SASLSuite) TestScramNormalizesPassword(c *C) {
// From: libidn-1.9/tests/tst_stringprep.c
// See RFC 4013, section 3
testCases := []struct {
raw string
normalized string
}{
{"I\xC2\xADX", "IX"},
{"user", "user"},
{"USER", "USER"},
{"user\u200B", "user "},
{"user\u2002", "user "},
{"\xC2\xAA", "a"},
{"x\xC2\xADy", "xy"},
{"\xE2\x85\xA3", "IV"},
{"\xE2\x85\xA8", "IX"},
{"\u034F\u1806\u180Bb\u180C\u180Dy\u200Ct\u200D\u2060\uFE00e\uFE01\uFE02\uFE03\uFE04\uFE05\uFE06\uFE07\uFE08\uFE09\uFE0A\uFE0B\uFE0C\uFE0D\uFE0E\uFE0F\uFEFF", "byte"},
//They should error because they have forbidden chars
//{"\x07", ""}, //should error
//{"\xD8\xA71", ""}, //shold error
}
for _, test := range testCases {
t := transform.NewReader(strings.NewReader(test.raw), Stringprep)
r := bufio.NewReader(t)
normalized, _, err := r.ReadLine()
c.Check(err, IsNil)
c.Check(string(normalized), DeepEquals, test.normalized)
}
}
func identity(r rune) rune {
return r
}
func (s *SASLSuite) Test_replaceTransformed_Transform_doesntDealWithTooShortDestination(c *C) {
_, _, err := replaceTransformer(identity).Transform([]byte{}, []byte("user"), true)
c.Assert(err, Equals, transform.ErrShortDst)
}
func (s *SASLSuite) Test_replaceTransformed_Transform_doesntDealWithIncompleteRune(c *C) {
var dst [4]byte
_, _, err := replaceTransformer(identity).Transform(dst[:], []byte("\xE2\x85"), false)
c.Assert(err, Equals, transform.ErrShortSrc)
}
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