# 2011 March 15
#
# The author disclaims copyright to this source code. In place of
# a legal notice, here is a blessing:
#
# May you do good and not evil.
# May you find forgiveness for yourself and forgive others.
# May you share freely, never taking more than you give.
#
#***********************************************************************
# This file implements regression tests for SQLite library.
#
# This file checks to make sure SQLite is able to gracEFully
# handle malformed UTF-8.
#
set testdir [file dirname $argv0]
source $testdir/tester.tcl
proc utf8_to_ustr2 {s} {
set r ""
foreach i [split $s ""] {
scan $i %c c
append r [format \\u%04.4X $c]
}
set r
}
proc utf8_to_hstr {in} {
regsub -all -- {(..)} $in {%[format "%s" \1]} out
subst $out
}
proc utf8_to_xstr {in} {
regsub -all -- {(..)} $in {\\\\x[format "%s" \1]} out
subst $out
}
proc utf8_to_ustr {in} {
regsub -all -- {(..)} $in {\\\\u[format "%04.4X" 0x\1]} out
subst $out
}
do_test badutf2-1.0 {
db close
forcedelete test.db
sqlite3 db test.db
db eval "PRAGMA encoding = 'UTF-8'"
} {}
do_test badutf2-4.0 {
set S [sqlite3_prepare_v2 db "SELECT ?" -1 dummy]
sqlite3_expired $S
} {0}
foreach { i len uval xstr ustr u2u } {
1 1 00 \x00 {} {}
2 1 01 \x01 "\\u0001" 01
3 1 3F \x3F "\\u003F" 3F
4 1 7F \x7F "\\u007F" 7F
5 1 80 \x80 "\\u0080" C280
6 1 C3BF \xFF "\\u00FF" C3BF
7 3 EFBFBD \xEF\xBF\xBD "\\uFFFD" {}
} {
set hstr [ utf8_to_hstr $uval ]
ifcapable bloblit {
if {$hstr != "%00"} {
do_test badutf2-2.1.$i {
set sql "SELECT '$hstr'=CAST(x'$uval' AS text) AS x;"
set res [ sqlite3_exec db $sql ]
lindex [ lindex $res 1] 1
} {1}
do_test badutf2-2.2.$i {
set sql "SELECT CAST('$hstr' AS blob)=x'$uval' AS x;"
set res [ sqlite3_exec db $sql ]
lindex [ lindex $res 1] 1
} {1}
}
do_test badutf2-2.3.$i {
set sql "SELECT hex(CAST(x'$uval' AS text)) AS x;"
set res [ sqlite3_exec db $sql ]
lindex [ lindex $res 1] 1
} $uval
do_test badutf2-2.4.$i {
set sql "SELECT hex(CAST(x'$uval' AS text)) AS x;"
set res [ sqlite3_exec db $sql ]
lindex [ lindex $res 1] 1
} $uval
}
if {$hstr != "%00"} {
do_test badutf2-3.1.$i {
set sql "SELECT hex('$hstr') AS x;"
set res [ sqlite3_exec db $sql ]
lindex [ lindex $res 1] 1
} $uval
}
do_test badutf2-4.1.$i {
sqlite3_reset $S
sqlite3_bind_text $S 1 $xstr $len
sqlite3_step $S
utf8_to_ustr2 [ sqlite3_column_text $S 0 ]
} $ustr
ifcapable debug {
do_test badutf2-5.1.$i {
utf8_to_utf8 $uval
} $u2u
}
}
do_test badutf2-4.2 {
sqlite3_finalize $S
} {SQLITE_OK}
finish_test