# stack.test:  tests for the stack package.
#
# 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.
#

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

if { [ lsearch [ namespace children ] "::textutil" ] == -1 } then {
    source [file join [file dirname [info script]] textutil.tcl]
}

###################################################

test trim-0.1 {trim string on left} {
    set str [ ::textutil::trimleft "\t\t hello, world \t " ]
    set str
} "hello, world \t "

test trim-0.2 {trim string on right} {
    set str [ ::textutil::trimright "\t\t hello, world \t " ]
    set str 
} "\t\t hello, world"

test trim-0.3 {trim string on both side} {
    set str [ ::textutil::trim "\t\t hello, world \t " ]
    set str 
} "hello, world"

test trim-0.4 {trim string with embedded spaces and tabs on both side} {
    set str [ ::textutil::trim "\t\t hello,    \t\t  world \t " ]
    set str 
} "hello,    \t\t  world"

test trim-1.1 {trim text on left} {
    set str [ ::textutil::trimleft "\t\t hello, \t\n \tworld \t " ]
    set str
} "hello, \t
world \t "

test trim-1.2 {trim text on right} {
    set str [ ::textutil::trimright "\t\t hello, \t\n \tworld \t " ]
    set str 
} "\t\t hello,
 \tworld"

test trim-1.3 {trim string on both side} {
    set str [ ::textutil::trim "\t\t hello, \t\n \tworld \t " ]
    set str 
} "hello,
world"

test trim-1.4 {trim string with embedded spaces and tabs on both side} {
    set str [ ::textutil::trim "\t\t hello\t \t, \t\n \tthe\t  \t world \t " ]
    set str 
} "hello\t \t,
the\t  \t world"

test trim-2.1 {trim text on left with regexp} {
    set str [ ::textutil::trimleft "\t\t hello, \t\n \tworld \t " "\[ \thwdo\]+" ]
    set str
} "ello, \t
rld \t "

test trim-2.2 {trim text on right} {
    set str [ ::textutil::trimright "\t\t hello, \t\n \tworld \t " "\[ \thwdo\]+" ]
    set str 
} "\t\t hello,
 \tworl"

test trim-2.3 {trim string on both side} {
    set str [ ::textutil::trim "\t\t hello, \t\n \tworld \t " "\[ \thwdo\]+" ]
    set str 
} "ello,
rl"

test trim-2.4 {trim string with embedded spaces and tabs on both side} {
    set str [ ::textutil::trim "\t\t hello\t \t, \t\n \tthe\t  \t world \t " "\[ \thwdo\]+" ]
    set str 
} "ello\t \t,
the\t  \t worl"

# Not the real parray proc, because the default value of pattern is intentionnally omitted

set myparray "\t \tproc myparray {a pattern} {
    # print nicely an associated array sorted by element
    upvar 1 \$a array \t
    if {!\[array exists array\]} {
	error \"\\\"\$a\\\" isn't an array\" \t
    }
    set maxl 0 ; # used to find the longest name of element
    foreach name \[lsort \[array names array \$pattern\]\] {
	if {\[string length \$name\] > \$maxl} { \t\t\t 
	    set maxl \[string length \$name\]
	}
    }
    set maxl \[expr {\$maxl + \[string length \$a\] + 2}\]      \t
    foreach name \[lsort \[array names array \$pattern\]\] {
	set nameString \[format %s(%s) \$a \$name\]
	puts stdout \[format \"%-*s = %s\" \$maxl \$nameString \$array(\$name)\]
    }
\t\t}\t\t"

test trim-3.1 {trim block of Tcl code} {
    set code [ ::textutil::trim $myparray ]
    set code
} "proc myparray {a pattern} {
# print nicely an associated array sorted by element
upvar 1 \$a array
if {!\[array exists array\]} {
error \"\\\"\$a\\\" isn't an array\"
}
set maxl 0 ; # used to find the longest name of element
foreach name \[lsort \[array names array \$pattern\]\] {
if {\[string length \$name\] > \$maxl} {
set maxl \[string length \$name\]
}
}
set maxl \[expr {\$maxl + \[string length \$a\] + 2}\]
foreach name \[lsort \[array names array \$pattern\]\] {
set nameString \[format %s(%s) \$a \$name\]
puts stdout \[format \"%-*s = %s\" \$maxl \$nameString \$array(\$name)\]
}
}"

test trim-3.2 {trim block of Tcl code with regexp} {
    set code [ ::textutil::trim $myparray "\[\] \t{}pu\]+" ]
    set code
} "roc myparray {a pattern
# print nicely an associated array sorted by element
var 1 \$a array
if {!\[array exists array
error \"\\\"\$a\\\" isn't an array\"

set maxl 0 ; # used to find the longest name of element
foreach name \[lsort \[array names array \$pattern
if {\[string length \$name\] > \$maxl
set maxl \[string length \$name


set maxl \[expr {\$maxl + \[string length \$a\] + 2
foreach name \[lsort \[array names array \$pattern
set nameString \[format %s(%s) \$a \$name
ts stdout \[format \"%-*s = %s\" \$maxl \$nameString \$array(\$name)

"

test trim-3.3 {trim block of commented Tcl code with regexp} {
    set code [ ::textutil::trim $myparray "(\[ \t\]+)|(\[ \t;\]*#.*)" ]
    set code
} "proc myparray {a pattern} {

upvar 1 \$a array
if {!\[array exists array\]} {
error \"\\\"\$a\\\" isn't an array\"
}
set maxl 0
foreach name \[lsort \[array names array \$pattern\]\] {
if {\[string length \$name\] > \$maxl} {
set maxl \[string length \$name\]
}
}
set maxl \[expr {\$maxl + \[string length \$a\] + 2}\]
foreach name \[lsort \[array names array \$pattern\]\] {
set nameString \[format %s(%s) \$a \$name\]
puts stdout \[format \"%-*s = %s\" \$maxl \$nameString \$array(\$name)\]
}
}"