# -*- tcl -*-
# Tcl Benchmark File
#
# This file contains a number of benchmarks for the 'textutil::string' 
# module. This allow developers to monitor/gauge/track package 
# performance.
#
# (c) 2008 Michael Schlenker <mic42@sourceforge.net>

# We need at least version 8.2 for the package and thus the
# benchmarks.

if {![package vsatisfies [package provide Tcl] 8.2]} {
    return
}

# ### ### ### ######### ######### ######### ###########################
## Setting up the environment ...

package forget log
catch {namespace delete ::log}
source [file join [file dirname [file dirname [info script]]] log log.tcl]

package forget textutil::string
catch {namespace delete ::textutil}
source [file join [file dirname [info script]] string.tcl]

# ### ### ### ######### ######### ######### ###########################
## Benchmarks.

foreach n {1 10 100 1000 5000} {
bench -desc "longestCommonPrefixList - $n char match - 2 elements list" -pre {
    set list [list [string repeat a $n]b [string repeat a $n]c]
} -body {
    set prefix [::textutil::string::longestCommonPrefixList $list]
} -post {
    unset list
    unset prefix
}
}

foreach n {1 10 100 1000 5000} {
bench -desc "longestCommonPrefixList - 10 char match - $n elements list" -pre {
    set elem [string repeat a 10]
    for {set i 0} {$i < $n} {incr i} {
	lappend list "$elem$i"
    }
} -body {
    set prefix [::textutil::string::longestCommonPrefixList $list]
} -post {
    unset list
    unset prefix
}
}

foreach n {1 10 100 1000 5000} {
bench -desc "longestCommonPrefixList - no match - $n elements list" -pre {
    set elem [string repeat a 10]
    for {set i 0} {$i < $n} {incr i} {
	lappend list "$elem$i"
    }
    lappend list "NOPREFIX"
} -body {
    set prefix [::textutil::string::longestCommonPrefixList $list]
} -post {
    unset list
    unset prefix
}
}

foreach n {1 10 100 1000 5000} {
bench -desc "chop one char from $n char string" -pre {
    set str [string repeat a $n]
} -body {
    set chopped [::textutil::string::chop $str]
} -post {
    unset str
    unset chopped 
}
}

foreach n {1 10 100 1000 5000} {
bench -desc "tail one char from $n char string" -pre {
    set str [string repeat a $n]
} -body {
    set tailed [::textutil::string::tail $str]
} -post {
    unset str
    unset tailed
}
}

foreach n {1 10 100 1000 5000} {
bench -desc "cap from $n char string" -pre {
    set str [string repeat a $n]
} -body {
    set capped [::textutil::string::cap $str]
} -post {
    unset str
    unset capped
}
}

foreach n {1 10 100 1000 5000} {
bench -desc "uncap from $n char string" -pre {
    set str [string repeat a $n]
} -body {
    set uncapped [::textutil::string::uncap $str]
} -post {
    unset str
    unset uncapped
}
}

# ### ### ### ######### ######### ######### ###########################
## Complete