# Commands covered:  lsort
#
# 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) 1991-1993 The Regents of the University of California.
# Copyright (c) 1994 Sun Microsystems, Inc.
#
# See the file "license.terms" for information on usage and redistribution
# of this file, and for a DISCLAIMER OF ALL WARRANTIES.
#
# @(#) lsort.test 1.6 95/06/05 17:00:02

if {[string compare test [info procs test]] == 1} then {source defs}

test lsort-1.1 {lsort command} {
    lsort {abdeq ab 1 ac a}
} {1 a ab abdeq ac}
test lsort-1.2 {lsort command} {
    lsort -decreasing {abdeq ab 1 ac a}
} {ac abdeq ab a 1}
test lsort-1.3 {lsort command} {
    lsort -increasing {abdeq ab 1 ac a}
} {1 a ab abdeq ac}
test lsort-1.4 {lsort command} {
    lsort {{one long element}}
} {{one long element}}
test lsort-1.5 {lsort command} {
    lsort {}
} {}
test lsort-1.6 {lsort with characters needing backslashes} {
    lsort {$ \\ [] \{}
} {{$} {[]} \\ \{}

test lsort-2.1 {lsort -integer} {
    lsort -integer -inc {1 180 62 040 180 -42 33 0x40}
} {-42 1 040 33 62 0x40 180 180}
test lsort-2.2 {lsort -integer} {
    lsort -int -dec {1 180 62 040 180 -42 33 0x40}
} {180 180 0x40 62 33 040 1 -42}
test lsort-2.3 {lsort -integer} {
    list [catch {lsort -integer {xxx 180.2 62 040 180 -42 33 0x40}} msg] $msg $errorInfo
} {1 {expected integer but got "xxx"} {expected integer but got "xxx"
    (converting list element from string to integer)
    invoked from within
"lsort -integer {xxx 180.2 62 040 180 -42 33 0x40}"}}
test lsort-2.4 {lsort -integer} {
    list [catch {lsort -integer {1 180.2 62 040 180 -42 33 0x40}} msg] $msg $errorInfo
} {1 {expected integer but got "180.2"} {expected integer but got "180.2"
    (converting list element from string to integer)
    invoked from within
"lsort -integer {1 180.2 62 040 180 -42 33 0x40}"}}

test lsort-3.1 {lsort -real} {
    lsort -real {1 180.1 62 040 180 -42.7 33}
} {-42.7 1 33 040 62 180 180.1}
test lsort-3.2 {lsort -real} {
    lsort -r -d {1 180.1 62 040 180 -42.7 33}
} {180.1 180 62 040 33 1 -42.7}
test lsort-3.3 {lsort -real} {
    list [catch {lsort -real -inc {xxx 20 62 180 -42.7 33}} msg] $msg $errorInfo
} {1 {expected floating-point number but got "xxx"} {expected floating-point number but got "xxx"
    (converting list element from string to real)
    invoked from within
"lsort -real -inc {xxx 20 62 180 -42.7 33}"}}
test lsort-3.4 {lsort -real} {
    list [catch {lsort -real -inc {1 0x40 62 180 -42.7 33}} msg] $msg $errorInfo
} {1 {expected floating-point number but got "0x40"} {expected floating-point number but got "0x40"
    (converting list element from string to real)
    invoked from within
"lsort -real -inc {1 0x40 62 180 -42.7 33}"}}

proc lsort1 {a b} {
    expr {2*([string match x* $a] - [string match x* $b])
	    + [string match *y $a] - [string match *y $b]}
}
proc lsort2 {a b} {
    error "comparison error"
}
proc lsort3 {a b} {
    concat "foobar"
}

test lsort-4.1 {lsort -command} {
    lsort -command lsort1 {xxx yyy abc {xx y}}
} {abc yyy xxx {xx y}}
test lsort-4.2 {lsort -command} {
    lsort -command lsort1 -dec {xxx yyy abc {xx y}}
} {{xx y} xxx yyy abc}
test lsort-4.3 {lsort -command} {
    list [catch {lsort -command lsort2 -dec {1 1 1 1}} msg] $msg $errorInfo
} {1 {comparison error} {comparison error
    while executing
"error "comparison error""
    (procedure "lsort2" line 2)
    invoked from within
"lsort2 1 1"
    (user-defined comparison command)
    invoked from within
"lsort -command lsort2 -dec {1 1 1 1}"}}
test lsort-4.4 {lsort -command} {
    list [catch {lsort -command lsort3 -dec {1 2 3 4}} msg] $msg $errorInfo
} {1 {comparison command returned non-numeric result} {comparison command returned non-numeric result
    while executing
"lsort -command lsort3 -dec {1 2 3 4}"}}
test lsort-4.5 {lsort -command} {
    list [catch {lsort -command {xxx yyy xxy abc}} msg] $msg
} {1 {"-command" must be followed by comparison command}}

test lsort-5.1 {lsort errors} {
    list [catch lsort msg] $msg
} {1 {wrong # args: should be "lsort ?-ascii? ?-integer? ?-real? ?-increasing? ?-decreasing? ?-command string? list"}}
test lsort-5.2 {lsort errors} {
    list [catch {lsort a b} msg] $msg
} {1 {bad switch "a": must be -ascii, -integer, -real, -increasing -decreasing, or -command}}
test lsort-5.3 {lsort errors} {
    list [catch {lsort "\{"} msg] $msg
} {1 {unmatched open brace in list}}
test lsort-5.4 {lsort errors} {
    list [catch {lsort -in {1 180.0 040 62 180 -42.7 33}} msg] $msg
} {1 {bad switch "-in": must be -ascii, -integer, -real, -increasing -decreasing, or -command}}
test lsort-5.5 {lsort errors: disallow recursion} {
    proc x args {lsort {a b c}}
    list [catch {lsort -command x {3 7}} msg] $msg $errorInfo
} {1 {can't invoke "lsort" recursively} {can't invoke "lsort" recursively
    while executing
"lsort {a b c}"
    (procedure "x" line 1)
    invoked from within
"x 3 7"
    (user-defined comparison command)
    invoked from within
"lsort -command x {3 7}"}}