# The file tests the tclZlib.c file.
#
# This file contains a collection of tests for one or more of the Tcl built-in
# commands. Sourcing this file into Tcl runs the tests and generates output
# for errors. No output means no errors were found.
#
# Copyright (c) 1996-1998 by Sun Microsystems, Inc.
# Copyright (c) 1998-1999 by Scriptics Corporation.
#
# See the file "license.terms" for information on usage and redistribution of
# this file, and for a DISCLAIMER OF ALL WARRANTIES.
#
# RCS: @(#) $Id: zlib.test,v 1.8 2009/07/05 16:05:59 dkf Exp $

if {[lsearch [namespace children] ::tcltest] == -1} {
    package require tcltest 2.1
    namespace import -force ::tcltest::*
}

testConstraint zlib [llength [info commands zlib]]

test zlib-1.1 {zlib basics} -constraints zlib -returnCodes error -body {
    zlib
} -result {wrong # args: should be "zlib command arg ?...?"}
test zlib-1.2 {zlib basics} -constraints zlib -returnCodes error -body {
    zlib ? {}
} -result {bad command "?": must be adler32, compress, crc32, decompress, deflate, gunzip, gzip, inflate, push, or stream}

test zlib-2.1 {zlib compress/decompress} zlib {
    zlib decompress [zlib compress abcdefghijklm]
} abcdefghijklm

test zlib-3.1 {zlib deflate/inflate} zlib {
    zlib inflate [zlib deflate abcdefghijklm]
} abcdefghijklm

test zlib-4.1 {zlib gzip/gunzip} zlib {
    zlib gunzip [zlib gzip abcdefghijklm]
} abcdefghijklm
test zlib-4.2 {zlib gzip/gunzip} zlib {
    set s [string repeat abcdef 5]
    list [zlib gunzip [zlib gzip $s -header {comment gorp}] -header head] \
	[dict get $head comment] [dict get $head size]
} {abcdefabcdefabcdefabcdefabcdef gorp 30}

test zlib-5.1 {zlib adler32} zlib {
    format %x [expr {[zlib adler32 abcdeabcdeabcdeabcdeabcdeabcde] & 0xffffffff}]
} b3b50b9b
test zlib-5.2 {zlib adler32} zlib {
    format %x [expr {[zlib adler32 abcdeabcdeabcdeabcdeabcdeabcde 42] & 0xffffffff}]
} b8830bc4
test zlib-5.3 {zlib adler32} -constraints zlib -returnCodes error -body {
    zlib adler32 abcdeabcdeabcdeabcdeabcdeabcde 42 x
} -result {wrong # args: should be "zlib adler32 data ?startValue?"}

test zlib-6.1 {zlib crc32} zlib {
    format %x [expr {[zlib crc32 abcdeabcdeabcdeabcdeabcdeabcde] & 0xffffffff}]
} 6f73e901
test zlib-6.2 {zlib crc32} zlib {
    format %x [expr {[zlib crc32 abcdeabcdeabcdeabcdeabcdeabcde 42] & 0xffffffff}]
} ce1c4914
test zlib-6.3 {zlib crc32} -constraints zlib -returnCodes error -body {
    zlib crc32 abcdeabcdeabcdeabcdeabcdeabcde 42 x
} -result {wrong # args: should be "zlib crc32 data ?startValue?"}
test zlib-6.4 {zlib crc32: bug 2662434} -constraints zlib -body {
    zlib crc32 "dabale arroz a la zorra el abad"
} -result 3842832571

test zlib-7.0 {zlib stream} -constraints zlib -returnCodes error -setup {
    set s [zlib stream compress]
} -body {
    $s ?
} -cleanup {
    $s close
} -result {bad option "?": must be add, checksum, close, eof, finalize, flush, fullflush, get, put, or reset}
test zlib-7.1 {zlib stream} zlib {
    set s [zlib stream compress]
    $s put -finalize abcdeEDCBA
    set data [$s get]
    set result [list [$s get] [format %x [$s checksum]]]
    $s close
    lappend result [zlib decompress $data]
} {{} 136f033f abcdeEDCBA}
test zlib-7.2 {zlib stream} zlib {
    set s [zlib stream decompress]
    $s put -finalize [zlib compress abcdeEDCBA]
    set data [$s get]
    set result [list [$s get] [format %x [$s checksum]]]
    $s close
    lappend result $data
} {{} 136f033f abcdeEDCBA}
test zlib-7.3 {zlib stream} zlib {
    set s [zlib stream deflate]
    $s put -finalize abcdeEDCBA
    set data [$s get]
    set result [list [$s get] [format %x [$s checksum]]]
    $s close
    lappend result [zlib inflate $data]
} {{} 1 abcdeEDCBA}
test zlib-7.4 {zlib stream} zlib {
    set s [zlib stream inflate]
    $s put -finalize [zlib deflate abcdeEDCBA]
    set data [$s get]
    set result [list [$s get] [format %x [$s checksum]]]
    $s close
    lappend result $data
} {{} 1 abcdeEDCBA}

test zlib-8.1 {zlib transformation} -constraints zlib -setup {
    set file [makeFile {} test.gz]
} -body {
    set f [zlib push gzip [open $file w] -header {comment gorp}]
    puts $f "ok"
    close $f
    set f [zlib push gunzip [open $file]]
    list [gets $f] [dict get [chan configure $f -header] comment]
} -cleanup {
    close $f
    removeFile $file
} -result {ok gorp}
test zlib-8.2 {zlib transformation} -constraints zlib -setup {
    set file [makeFile {} test.z]
} -body {
    set f [zlib push compress [open $file w]]
    puts $f "ok"
    close $f
    set f [zlib push decompress [open $file]]
    gets $f
} -cleanup {
    close $f
    removeFile $file
} -result ok
test zlib-8.3 {zlib transformation and fileevent} -constraints zlib -setup {
    set srv [socket -myaddr localhost -server {apply {{c a p} {
        fconfigure $c -translation binary
        puts -nonewline $c [zlib gzip [string repeat a 81920]]
        close $c
    }}} 0]
    set port [lindex [fconfigure $srv -sockname] 2]
    set file [makeFile {} test.gz]
    set fout [open $file wb]
} -body {
    set sin [socket localhost $port]
    try {
	fconfigure $sin -translation binary
	zlib push gunzip $sin
	after 1000 {set total timeout}
	fcopy $sin $fout -command {apply {{c {e {}}} {
	    set ::total [expr {$e eq {} ? $c : $e}]
	}}}
	vwait total
    } finally {
	close $sin
    }
    append total --> [file size $file]
} -cleanup {
    close $fout
    close $srv
    removeFile $file
} -result 81920-->81920

::tcltest::cleanupTests
return

# Local Variables:
# mode: tcl
# End: