- # Commands covered: lindex
- #
- # 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.
- # Copyright (c) 1998-1999 by Scriptics Corporation.
- # Copyright (c) 2001 by Kevin B. Kenny. All rights reserved.
- #
- # See the file "license.terms" for information on usage and redistribution
- # of this file, and for a DISCLAIMER OF ALL WARRANTIES.
- #
- # RCS: @(#) $Id: lindex.test,v 1.10 2002/04/19 13:08:56 dkf Exp $
- if {[lsearch [namespace children] ::tcltest] == -1} {
- package require tcltest
- namespace import -force ::tcltest::*
- }
- set lindex lindex
- set minus -
- # Tests of Tcl_LindexObjCmd, NOT COMPILED
- test lindex-1.1 {wrong # args} {
- list [catch {eval $lindex} result] $result
- } "1 {wrong # args: should be "lindex list ?index...?"}"
- # Indices that are lists or convertible to lists
- test lindex-2.1 {empty index list} {
- set x {}
- list [eval [list $lindex {a b c} $x]] [eval [list $lindex {a b c} $x]]
- } {{a b c} {a b c}}
- test lindex-2.2 {singleton index list} {
- set x { 1 }
- list [eval [list $lindex {a b c} $x]] [eval [list $lindex {a b c} $x]]
- } {b b}
- test lindex-2.3 {multiple indices in list} {
- set x {1 2}
- list [eval [list $lindex {{a b c} {d e f}} $x]]
- [eval [list $lindex {{a b c} {d e f}} $x]]
- } {f f}
- test lindex-2.4 {malformed index list} {
- set x {
- list [catch { eval [list $lindex {a b c} $x] } result] $result
- } {1 bad index "{": must be integer or end?-integer?}
- # Indices that are integers or convertible to integers
- test lindex-3.1 {integer -1} {
- set x ${minus}1
- list [eval [list $lindex {a b c} $x]] [eval [list $lindex {a b c} $x]]
- } {{} {}}
- test lindex-3.2 {integer 0} {
- set x [string range 00 0 0]
- list [eval [list $lindex {a b c} $x]] [eval [list $lindex {a b c} $x]]
- } {a a}
- test lindex-3.3 {integer 2} {
- set x [string range 22 0 0]
- list [eval [list $lindex {a b c} $x]] [eval [list $lindex {a b c} $x]]
- } {c c}
- test lindex-3.4 {integer 3} {
- set x [string range 33 0 0]
- list [eval [list $lindex {a b c} $x]] [eval [list $lindex {a b c} $x]]
- } {{} {}}
- test lindex-3.5 {bad octal} {
- set x 08
- list [catch { eval [list $lindex {a b c} $x] } result] $result
- } "1 {bad index "08": must be integer or end?-integer? (looks like invalid octal number)}"
- test lindex-3.6 {bad octal} {
- set x -09
- list [catch { eval [list $lindex {a b c} $x] } result] $result
- } "1 {bad index "-09": must be integer or end?-integer? (looks like invalid octal number)}"
- test lindex-3.7 {indexes don't shimmer wide ints} {
- set x [expr {(wide(1)<<31) - 2}]
- list $x [lindex {1 2 3} $x] [incr x] [incr x]
- } {2147483646 {} 2147483647 2147483648}
- # Indices relative to end
- test lindex-4.1 {index = end} {
- set x end
- list [eval [list $lindex {a b c} $x]] [eval [list $lindex {a b c} $x]]
- } {c c}
- test lindex-4.2 {index = end--1} {
- set x end--1
- list [eval [list $lindex {a b c} $x]] [eval [list $lindex {a b c} $x]]
- } {{} {}}
- test lindex-4.3 {index = end-0} {
- set x end-0
- list [eval [list $lindex {a b c} $x]] [eval [list $lindex {a b c} $x]]
- } {c c}
- test lindex-4.4 {index = end-2} {
- set x end-2
- list [eval [list $lindex {a b c} $x]] [eval [list $lindex {a b c} $x]]
- } {a a}
- test lindex-4.5 {index = end-3} {
- set x end-3
- list [eval [list $lindex {a b c} $x]] [eval [list $lindex {a b c} $x]]
- } {{} {}}
- test lindex-4.6 {bad octal} {
- set x end-08
- list [catch { eval [list $lindex {a b c} $x] } result] $result
- } "1 {bad index "end-08": must be integer or end?-integer? (looks like invalid octal number)}"
- test lindex-4.7 {bad octal} {
- set x end--09
- list [catch { eval [list $lindex {a b c} $x] } result] $result
- } "1 {bad index "end--09": must be integer or end?-integer?}"
- test lindex-4.8 {bad integer, not octal} {
- set x end-0a2
- list [catch { eval [list $lindex {a b c} $x] } result] $result
- } "1 {bad index "end-0a2": must be integer or end?-integer?}"
- test lindex-4.9 {incomplete end} {
- set x en
- list [eval [list $lindex {a b c} $x]] [eval [list $lindex {a b c} $x]]
- } {c c}
- test lindex-4.10 {incomplete end-} {
- set x end-
- list [catch { eval [list $lindex {a b c} $x] } result] $result
- } "1 {bad index "end-": must be integer or end?-integer?}"
- test lindex-5.1 {bad second index} {
- list [catch { eval [list $lindex {a b c} 0 0a2] } result] $result
- } "1 {bad index "0a2": must be integer or end?-integer?}"
- test lindex-5.2 {good second index} {
- eval [list $lindex {{a b c} {d e f} {g h i}} 1 2]
- } f
- test lindex-5.3 {three indices} {
- eval [list $lindex {{{a b} {c d}} {{e f} {g h}}} 1 0 1]
- } f
- test lindex-6.1 {error conditions in parsing list} {
- list [catch {eval [list $lindex "a {" 2]} msg] $msg
- } {1 {unmatched open brace in list}}
- test lindex-6.2 {error conditions in parsing list} {
- list [catch {eval [list $lindex {a {b c}d e} 2]} msg] $msg
- } {1 {list element in braces followed by "d" instead of space}}
- test lindex-6.3 {error conditions in parsing list} {
- list [catch {eval [list $lindex {a "b c"def ghi} 2]} msg] $msg
- } {1 {list element in quotes followed by "def" instead of space}}
- test lindex-7.1 {quoted elements} {
- eval [list $lindex {a "b c" d} 1]
- } {b c}
- test lindex-7.2 {quoted elements} {
- eval [list $lindex {"{}" b c} 0]
- } {{}}
- test lindex-7.3 {quoted elements} {
- eval [list $lindex {ab "c d " x" y} 1]
- } {c d " x}
- test lindex-7.4 {quoted elements} {
- lindex {a b {c d "e} {f g"}} 2
- } {c d "e}
- test lindex-8.1 {data reuse} {
- set x 0
- eval [list $lindex $x $x]
- } {0}
- test lindex-8.2 {data reuse} {
- set a 0
- eval [list $lindex $a $a $a]
- } 0
- test lindex-8.3 {data reuse} {
- set a 1
- eval [list $lindex $a $a $a]
- } {}
- test lindex-8.4 {data reuse} {
- set x [list 0 0]
- eval [list $lindex $x $x]
- } {0}
- test lindex-8.5 {data reuse} {
- set x 0
- eval [list $lindex $x [list $x $x]]
- } {0}
- test lindex-8.6 {data reuse} {
- set x [list 1 1]
- eval [list $lindex $x $x]
- } {}
- test lindex-8.7 {data reuse} {
- set x 1
- eval [list lindex $x [list $x $x]]
- } {}
- #----------------------------------------------------------------------
- # Compilation tests for lindex
- test lindex-9.1 {wrong # args} {
- list [catch {lindex} result] $result
- } "1 {wrong # args: should be "lindex list ?index...?"}"
- # Indices that are lists or convertible to lists
- test lindex-10.1 {empty index list} {
- set x {}
- catch {
- list [lindex {a b c} $x] [lindex {a b c} $x]
- } result
- set result
- } {{a b c} {a b c}}
- test lindex-10.2 {singleton index list} {
- set x { 1 }
- catch {
- list [lindex {a b c} $x] [lindex {a b c} $x]
- } result
- set result
- } {b b}
- test lindex-10.3 {multiple indices in list} {
- set x {1 2}
- catch {
- list [lindex {{a b c} {d e f}} $x] [lindex {{a b c} {d e f}} $x]
- } result
- set result
- } {f f}
- test lindex-10.4 {malformed index list} {
- set x {
- list [catch { lindex {a b c} $x } result] $result
- } {1 bad index "{": must be integer or end?-integer?}
- # Indices that are integers or convertible to integers
- test lindex-11.1 {integer -1} {
- set x ${minus}1
- catch {
- list [lindex {a b c} $x] [lindex {a b c} $x]
- } result
- set result
- } {{} {}}
- test lindex-11.2 {integer 0} {
- set x [string range 00 0 0]
- catch {
- list [lindex {a b c} $x] [lindex {a b c} $x]
- } result
- set result
- } {a a}
- test lindex-11.3 {integer 2} {
- set x [string range 22 0 0]
- catch {
- list [lindex {a b c} $x] [lindex {a b c} $x]
- } result
- set result
- } {c c}
- test lindex-11.4 {integer 3} {
- set x [string range 33 0 0]
- catch {
- list [lindex {a b c} $x] [lindex {a b c} $x]
- } result
- set result
- } {{} {}}
- test lindex-11.5 {bad octal} {
- set x 08
- list [catch { lindex {a b c} $x } result] $result
- } "1 {bad index "08": must be integer or end?-integer? (looks like invalid octal number)}"
- test lindex-11.6 {bad octal} {
- set x -09
- list [catch { lindex {a b c} $x } result] $result
- } "1 {bad index "-09": must be integer or end?-integer? (looks like invalid octal number)}"
- # Indices relative to end
- test lindex-12.1 {index = end} {
- set x end
- catch {
- list [lindex {a b c} $x] [lindex {a b c} $x]
- } result
- set result
- } {c c}
- test lindex-12.2 {index = end--1} {
- set x end--1
- catch {
- list [lindex {a b c} $x] [lindex {a b c} $x]
- } result
- set result
- } {{} {}}
- test lindex-12.3 {index = end-0} {
- set x end-0
- catch {
- list [lindex {a b c} $x] [lindex {a b c} $x]
- } result
- set result
- } {c c}
- test lindex-12.4 {index = end-2} {
- set x end-2
- catch {
- list [lindex {a b c} $x] [lindex {a b c} $x]
- } result
- set result
- } {a a}
- test lindex-12.5 {index = end-3} {
- set x end-3
- catch {
- list [lindex {a b c} $x] [lindex {a b c} $x]
- } result
- set result
- } {{} {}}
- test lindex-12.6 {bad octal} {
- set x end-08
- list [catch { lindex {a b c} $x } result] $result
- } "1 {bad index "end-08": must be integer or end?-integer? (looks like invalid octal number)}"
- test lindex-12.7 {bad octal} {
- set x end--09
- list [catch { lindex {a b c} $x } result] $result
- } "1 {bad index "end--09": must be integer or end?-integer?}"
- test lindex-12.8 {bad integer, not octal} {
- set x end-0a2
- list [catch { lindex {a b c} $x } result] $result
- } "1 {bad index "end-0a2": must be integer or end?-integer?}"
- test lindex-12.9 {incomplete end} {
- set x en
- catch {
- list [lindex {a b c} $x] [lindex {a b c} $x]
- } result
- set result
- } {c c}
- test lindex-12.10 {incomplete end-} {
- set x end-
- list [catch { lindex {a b c} $x } result] $result
- } "1 {bad index "end-": must be integer or end?-integer?}"
- test lindex-13.1 {bad second index} {
- list [catch { lindex {a b c} 0 0a2 } result] $result
- } "1 {bad index "0a2": must be integer or end?-integer?}"
- test lindex-13.2 {good second index} {
- catch {
- lindex {{a b c} {d e f} {g h i}} 1 2
- } result
- set result
- } f
- test lindex-13.3 {three indices} {
- catch {
- lindex {{{a b} {c d}} {{e f} {g h}}} 1 0 1
- } result
- set result
- } f
- test lindex-14.1 {error conditions in parsing list} {
- list [catch { lindex "a {" 2 } msg] $msg
- } {1 {unmatched open brace in list}}
- test lindex-14.2 {error conditions in parsing list} {
- list [catch { lindex {a {b c}d e} 2 } msg] $msg
- } {1 {list element in braces followed by "d" instead of space}}
- test lindex-14.3 {error conditions in parsing list} {
- list [catch { lindex {a "b c"def ghi} 2 } msg] $msg
- } {1 {list element in quotes followed by "def" instead of space}}
- test lindex-15.1 {quoted elements} {
- catch {
- lindex {a "b c" d} 1
- } result
- set result
- } {b c}
- test lindex-15.2 {quoted elements} {
- catch {
- lindex {"{}" b c} 0
- } result
- set result
- } {{}}
- test lindex-15.3 {quoted elements} {
- catch {
- lindex {ab "c d " x" y} 1
- } result
- set result
- } {c d " x}
- test lindex-15.4 {quoted elements} {
- catch {
- lindex {a b {c d "e} {f g"}} 2
- } result
- set result
- } {c d "e}
- test lindex-16.1 {data reuse} {
- set x 0
- catch {
- lindex $x $x
- } result
- set result
- } {0}
- test lindex-16.2 {data reuse} {
- set a 0
- catch {
- lindex $a $a $a
- } result
- set result
- } 0
- test lindex-16.3 {data reuse} {
- set a 1
- catch {
- lindex $a $a $a
- } result
- set result
- } {}
- test lindex-16.4 {data reuse} {
- set x [list 0 0]
- catch {
- lindex $x $x
- } result
- set result
- } {0}
- test lindex-16.5 {data reuse} {
- set x 0
- catch {
- lindex $x [list $x $x]
- } result
- set result
- } {0}
- test lindex-16.6 {data reuse} {
- set x [list 1 1]
- catch {
- lindex $x $x
- } result
- set result
- } {}
- test lindex-16.7 {data reuse} {
- set x 1
- catch {
- lindex $x [list $x $x]
- } result
- set result
- } {}
- catch { unset lindex}
- catch { unset minus }
- # cleanup
- ::tcltest::cleanupTests
- return