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+# 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 (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.
+#
+# SCCS: @(#) linsert.test 1.14 97/11/18 13:54:18
+
+if {[string compare test [info procs test]] == 1} then {source defs}
+
+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-2.1 {linsert errors} {
+    list [catch linsert msg] $msg
+} {1 {wrong # args: should be "linsert list index element ?element ...?"}}
+test linsert-2.2 {linsert errors} {
+    list [catch {linsert a b} msg] $msg
+} {1 {wrong # args: should be "linsert list index element ?element ...?"}}
+test linsert-2.3 {linsert errors} {
+    list [catch {linsert a 12x 2} msg] $msg
+} {1 {bad index "12x": must be integer or "end"}}
+test linsert-2.4 {linsert errors} {
+    list [catch {linsert \{ 12 2} msg] $msg
+} {1 {unmatched open brace in list}}
+
+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"
+
+catch {unset lis}
+catch {rename p ""}