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Diffstat (limited to 'tcllib/modules/crc/crc32.test')
| -rw-r--r-- | tcllib/modules/crc/crc32.test | 222 |
1 files changed, 222 insertions, 0 deletions
diff --git a/tcllib/modules/crc/crc32.test b/tcllib/modules/crc/crc32.test new file mode 100644 index 0000000..f2366eb --- /dev/null +++ b/tcllib/modules/crc/crc32.test @@ -0,0 +1,222 @@ +# crc32.test - Copyright (C) 2002 Pat Thoyts <patthoyts@users.sourceforge.net> +# +# Tests for the crc32 commands +# +# ------------------------------------------------------------------------- +# See the file "license.terms" for information on usage and redistribution +# of this file, and for a DISCLAIMER OF ALL WARRANTIES. +# ------------------------------------------------------------------------- +# RCS: @(#) $Id: crc32.test,v 1.12 2009/03/04 01:01:42 patthoyts Exp $ + +# ------------------------------------------------------------------------- + +source [file join \ + [file dirname [file dirname [file join [pwd] [info script]]]] \ + devtools testutilities.tcl] + +testsNeedTcl 8.2 +testsNeedTcltest 1.0 + +testing { + useLocal crc32.tcl crc32 ::crc +} + +# ------------------------------------------------------------------------- + +if {[::crc::LoadAccelerator critcl]} { + puts "> critcl based" +} +if {[::crc::LoadAccelerator trf]} { + puts "> Trf based" +} +puts "> pure Tcl" + +# ------------------------------------------------------------------------- +# Handle multiple implementation testing +# + +array set preserve [array get ::crc::accel] + +proc implementations {} { + variable ::crc::accel + foreach {a v} [array get accel] {if {$v} {lappend r $a}} + lappend r tcl; set r +} + +proc select_implementation {impl} { + variable ::crc::accel + foreach e [array names accel] { set accel($e) 0 } + if {[string compare "tcl" $impl] != 0} { + set accel($impl) 1 + } +} + +proc reset_implementation {} { + variable ::crc::accel + array set accel [array get ::preserve] +} + +# ------------------------------------------------------------------------- + +test crc32-1.0 {crc32 with no parameters } { + catch {::crc::crc32} result + string match "wrong # args: *" $result +} {1} + +# ------------------------------------------------------------------------- + +set tests { + 1 "" + "0" + 2 "a" + "3904355907" + 3 "abc" + "891568578" + 4 "message digest" + "538287487" + 5 "abcdefghijklmnopqrstuvwxyz" + "1277644989" + 6 "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789" + "532866770" + 7 "12345678901234567890123456789012345678901234567890123456789012345678901234567890" + "2091469426" + 8 "\uFFFE\u0000\u0001\u0002" + "2968055525" + 9 "-" + "2547889144" + 10 "--" + "606868581" +} +foreach impl [implementations] { + select_implementation $impl + foreach {n msg expected} $tests { + test crc32-$impl-2.$n "crc32 as unsigned integer ($impl)" { + list [catch {::crc::crc32 $msg} err] $err + } [list 0 $expected] + } + reset_implementation +} + +# ------------------------------------------------------------------------- + +set tests { + 1 "" + "0x0" + 2 "a" + "0xE8B7BE43" + 3 "abc" + "0x352441C2" + 4 "message digest" + "0x20159D7F" + 5 "abcdefghijklmnopqrstuvwxyz" + "0x4C2750BD" + 6 "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789" + "0x1FC2E6D2" + 7 "12345678901234567890123456789012345678901234567890123456789012345678901234567890" + "0x7CA94A72" + 8 "\uFFFE\u0000\u0001\u0002" + "0xB0E8EEE5" + 9 "-" + "0x97DDB3F8" + 10 "--" + "0x242C1465" +} + +foreach impl [implementations] { + select_implementation $impl + foreach {n msg expected} $tests { + test crc32-$impl-3.$n "crc32 as hexadecimal string ($impl)" { + list [catch {::crc::crc32 -format 0x%X $msg} err] $err + } [list 0 $expected] + } + reset_implementation +} + +# ------------------------------------------------------------------------- + +set crc::testfile [info script] + +proc crc::loaddata {filename} { + set f [open $filename r] + fconfigure $f -translation binary + set data [read $f] + close $f + return $data +} + +foreach impl [implementations] { + select_implementation $impl + test crc32-$impl-4.0 "crc32 file option ($impl)" { + set r1 [::crc::crc32 -file $crc::testfile] + set r2 [::crc::crc32 [crc::loaddata $crc::testfile]] + if {$r1 != $r2} { + set r "differing results: $r1 != $r2" + } else { + set r ok + } + } {ok} + reset_implementation +} + +# ------------------------------------------------------------------------- + +set tests { + 1 0 "" + "4294967295" + 2 1 "" + "4294967294" + 3 0 "Hello, World!" + "482441901" + 4 1 "Hello, World!" + "3243746088" + 5 0 "-" + "3122701194" +} +foreach impl [implementations] { + select_implementation $impl + foreach {n seed msg expected} $tests { + test crc32-$impl-5.$n "crc32 initial seed option ($impl)" { + list [catch {::crc::crc32 -seed $seed $msg} err] $err + } [list 0 $expected] + } + reset_implementation +} + +# ------------------------------------------------------------------------- + +set tests { + 1 "a" "bc" + "891568578" + 2 "message" " digest" + "538287487" + 3 "abcdefghijkl" "mnopqrstuvwxyz" + "1277644989" + 4 "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz012345678" "9" + "532866770" + 5 "1234567890" + "1234567890123456789012345678901234567890123456789012345678901234567890" + "2091469426" + 6 "\uFFFE\u0000" "\u0001\u0002" + "2968055525" +} +foreach impl [implementations] { + select_implementation $impl + foreach {n msgA msgB expected} $tests { + test crc32-$impl-6.$n "crc32 using -seed ($impl)" { + list [catch { + ::crc::crc32 -seed [expr {[::crc::crc32 $msgA] ^ 0xffffffff}] $msgB + } err] $err + } [list 0 $expected] + } + reset_implementation +} + +# ------------------------------------------------------------------------- + +catch {unset crc::filename} +testsuiteCleanup + +# Local Variables: +# mode: tcl +# indent-tabs-mode: nil +# End: |