# Commands covered:  linsert
#
# 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 © 1991-1993 The Regents of the University of California.
# Copyright © 1994 Sun Microsystems, Inc.
# Copyright © 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.

if {"::tcltest" ni [namespace children]} {
    package require tcltest 2.5
    namespace import -force ::tcltest::*
}

catch {unset lis}
catch {rename p ""}

test linsert-1.1 {linsert command} {
    linsert {1 2 3 4 5} 0 a
} {a 1 2 3 4 5}
test linsert-1.2 {linsert command} {
    linsert {1 2 3 4 5} 1 a
} {1 a 2 3 4 5}
test linsert-1.3 {linsert command} {
    linsert {1 2 3 4 5} 2 a
} {1 2 a 3 4 5}
test linsert-1.4 {linsert command} {
    linsert {1 2 3 4 5} 3 a
} {1 2 3 a 4 5}
test linsert-1.5 {linsert command} {
    linsert {1 2 3 4 5} 4 a
} {1 2 3 4 a 5}
test linsert-1.6 {linsert command} {
    linsert {1 2 3 4 5} 5 a
} {1 2 3 4 5 a}
test linsert-1.7 {linsert command} {
    linsert {1 2 3 4 5} 2 one two \{three \$four
} {1 2 one two \{three {$four} 3 4 5}
test linsert-1.8 {linsert command} {
    linsert {\{one \$two \{three \ four \ five} 2 a b c
} {\{one {$two} a b c \{three { four} { five}}
test linsert-1.9 {linsert command} {
    linsert {{1 2} {3 4} {5 6} {7 8}} 2 {x y} {a b}
} {{1 2} {3 4} {x y} {a b} {5 6} {7 8}}
test linsert-1.10 {linsert command} {
    linsert {} 2 a b c
} {a b c}
test linsert-1.11 {linsert command} {
    linsert {} 2 {}
} {{}}
test linsert-1.12 {linsert command} {
    linsert {a b "c c" d e} 3 1
} {a b {c c} 1 d e}
test linsert-1.13 {linsert command} {
    linsert { a b c d} 0 1 2
} {1 2 a b c d}
test linsert-1.14 {linsert command} {
    linsert {a b c {d e f}} 4 1 2
} {a b c {d e f} 1 2}
test linsert-1.15 {linsert command} {
    linsert {a b c \{\  abc} 4 q r
} {a b c \{\  q r abc}
test linsert-1.16 {linsert command} {
    linsert {a b c \{ abc} 4 q r
} {a b c \{ q r abc}
test linsert-1.17 {linsert command} {
    linsert {a b c} end q r
} {a b c q r}
test linsert-1.18 {linsert command} {
    linsert {a} end q r
} {a q r}
test linsert-1.19 {linsert command} {
    linsert {} end q r
} {q r}
test linsert-1.20 {linsert command, use of end-int index} {
    linsert {a b c d} end-2 e f
} {a b e f c d}

test linsert-2.1 {linsert errors} {
    list [catch linsert msg] $msg
} {1 {wrong # args: should be "linsert list index ?element ...?"}}
test linsert-2.2 {linsert errors} {
    list [catch {linsert a b} msg] $msg
} {1 {bad index "b": must be integer?[+-]integer? or end?[+-]integer?}}
test linsert-2.3 {linsert errors} {
    list [catch {linsert a 12x 2} msg] $msg
} {1 {bad index "12x": must be integer?[+-]integer? or end?[+-]integer?}}
test linsert-2.4 {linsert errors} {
    list [catch {linsert \{ 12 2} msg] $msg
} {1 {unmatched open brace in list}}
test linsert-2.5 {syntax (TIP 323)} {
    linsert {a b c} 0
} [list a b c]
test linsert-2.6 {syntax (TIP 323)} {
    linsert "a\nb\nc" 0
} [list a b c]

test linsert-3.1 {linsert won't modify shared argument objects} {
    proc p {} {
        linsert "a b c" 1 "x y"
        return "a b c"
    }
    p
} "a b c"
test linsert-3.2 {linsert won't modify shared argument objects} {
    catch {unset lis}
    set lis [format "a \"%s\" c" "b"]
    linsert $lis 0 [string length $lis]
} "7 a b c"

# cleanup
catch {unset lis}
catch {rename p ""}
::tcltest::cleanupTests
return