sl@0: # Commands covered:  lindex
sl@0: #
sl@0: # This file contains a collection of tests for one or more of the Tcl
sl@0: # built-in commands.  Sourcing this file into Tcl runs the tests and
sl@0: # generates output for errors.  No output means no errors were found.
sl@0: #
sl@0: # Copyright (c) 1991-1993 The Regents of the University of California.
sl@0: # Copyright (c) 1994 Sun Microsystems, Inc.
sl@0: # Copyright (c) 1998-1999 by Scriptics Corporation.
sl@0: # Copyright (c) 2001 by Kevin B. Kenny.  All rights reserved.
sl@0: #
sl@0: # See the file "license.terms" for information on usage and redistribution
sl@0: # of this file, and for a DISCLAIMER OF ALL WARRANTIES.
sl@0: #
sl@0: # RCS: @(#) $Id: lindex.test,v 1.10 2002/04/19 13:08:56 dkf Exp $
sl@0: 
sl@0: if {[lsearch [namespace children] ::tcltest] == -1} {
sl@0:     package require tcltest
sl@0:     namespace import -force ::tcltest::*
sl@0: }
sl@0: 
sl@0: set lindex lindex
sl@0: set minus -
sl@0: 
sl@0: # Tests of Tcl_LindexObjCmd, NOT COMPILED
sl@0: 
sl@0: test lindex-1.1 {wrong # args} {
sl@0:     list [catch {eval $lindex} result] $result
sl@0: } "1 {wrong # args: should be \"lindex list ?index...?\"}"
sl@0: 
sl@0: # Indices that are lists or convertible to lists
sl@0: 
sl@0: test lindex-2.1 {empty index list} {
sl@0:     set x {}
sl@0:     list [eval [list $lindex {a b c} $x]] [eval [list $lindex {a b c} $x]]
sl@0: } {{a b c} {a b c}}
sl@0: 
sl@0: test lindex-2.2 {singleton index list} {
sl@0:     set x { 1 }
sl@0:     list [eval [list $lindex {a b c} $x]] [eval [list $lindex {a b c} $x]]
sl@0: } {b b}
sl@0: 
sl@0: test lindex-2.3 {multiple indices in list} {
sl@0:     set x {1 2}
sl@0:     list [eval [list $lindex {{a b c} {d e f}} $x]] \
sl@0: 	[eval [list $lindex {{a b c} {d e f}} $x]]
sl@0: } {f f}
sl@0: 
sl@0: test lindex-2.4 {malformed index list} {
sl@0:     set x \{
sl@0:     list [catch { eval [list $lindex {a b c} $x] } result] $result
sl@0: } {1 bad\ index\ \"\{\":\ must\ be\ integer\ or\ end?-integer?}
sl@0: 
sl@0: # Indices that are integers or convertible to integers
sl@0: 
sl@0: test lindex-3.1 {integer -1} {
sl@0:     set x ${minus}1
sl@0:     list [eval [list $lindex {a b c} $x]] [eval [list $lindex {a b c} $x]]
sl@0: } {{} {}}
sl@0: 
sl@0: test lindex-3.2 {integer 0} {
sl@0:     set x [string range 00 0 0]
sl@0:     list [eval [list $lindex {a b c} $x]] [eval [list $lindex {a b c} $x]]
sl@0: } {a a}
sl@0: 
sl@0: test lindex-3.3 {integer 2} {
sl@0:     set x [string range 22 0 0]
sl@0:     list [eval [list $lindex {a b c} $x]] [eval [list $lindex {a b c} $x]]
sl@0: } {c c}
sl@0: 
sl@0: test lindex-3.4 {integer 3} {
sl@0:     set x [string range 33 0 0]
sl@0:     list [eval [list $lindex {a b c} $x]] [eval [list $lindex {a b c} $x]]
sl@0: } {{} {}}
sl@0: 
sl@0: test lindex-3.5 {bad octal} {
sl@0:     set x 08
sl@0:     list [catch { eval [list $lindex {a b c} $x] } result] $result
sl@0: } "1 {bad index \"08\": must be integer or end?-integer? (looks like invalid octal number)}"
sl@0: 
sl@0: test lindex-3.6 {bad octal} {
sl@0:     set x -09
sl@0:     list [catch { eval [list $lindex {a b c} $x] } result] $result
sl@0: } "1 {bad index \"-09\": must be integer or end?-integer? (looks like invalid octal number)}"
sl@0: 
sl@0: test lindex-3.7 {indexes don't shimmer wide ints} {
sl@0:     set x [expr {(wide(1)<<31) - 2}]
sl@0:     list $x [lindex {1 2 3} $x] [incr x] [incr x]
sl@0: } {2147483646 {} 2147483647 2147483648}
sl@0: 
sl@0: # Indices relative to end
sl@0: 
sl@0: test lindex-4.1 {index = end} {
sl@0:     set x end
sl@0:     list [eval [list $lindex {a b c} $x]] [eval [list $lindex {a b c} $x]]
sl@0: } {c c}
sl@0: 
sl@0: test lindex-4.2 {index = end--1} {
sl@0:     set x end--1
sl@0:     list [eval [list $lindex {a b c} $x]] [eval [list $lindex {a b c} $x]]
sl@0: } {{} {}}
sl@0: 
sl@0: test lindex-4.3 {index = end-0} {
sl@0:     set x end-0
sl@0:     list [eval [list $lindex {a b c} $x]] [eval [list $lindex {a b c} $x]]
sl@0: } {c c}
sl@0: 
sl@0: test lindex-4.4 {index = end-2} {
sl@0:     set x end-2
sl@0:     list [eval [list $lindex {a b c} $x]] [eval [list $lindex {a b c} $x]]
sl@0: } {a a}
sl@0: 
sl@0: test lindex-4.5 {index = end-3} {
sl@0:     set x end-3
sl@0:     list [eval [list $lindex {a b c} $x]] [eval [list $lindex {a b c} $x]]
sl@0: } {{} {}}
sl@0: 
sl@0: test lindex-4.6 {bad octal} {
sl@0:     set x end-08
sl@0:     list [catch { eval [list $lindex {a b c} $x] } result] $result
sl@0: } "1 {bad index \"end-08\": must be integer or end?-integer? (looks like invalid octal number)}"
sl@0: 
sl@0: test lindex-4.7 {bad octal} {
sl@0:     set x end--09
sl@0:     list [catch { eval [list $lindex {a b c} $x] } result] $result
sl@0: } "1 {bad index \"end--09\": must be integer or end?-integer?}"
sl@0: 
sl@0: test lindex-4.8 {bad integer, not octal} {
sl@0:     set x end-0a2
sl@0:     list [catch { eval [list $lindex {a b c} $x] } result] $result
sl@0: } "1 {bad index \"end-0a2\": must be integer or end?-integer?}"
sl@0: 
sl@0: test lindex-4.9 {incomplete end} {
sl@0:     set x en
sl@0:     list [eval [list $lindex {a b c} $x]] [eval [list $lindex {a b c} $x]]
sl@0: } {c c}
sl@0: 
sl@0: test lindex-4.10 {incomplete end-} {
sl@0:     set x end-
sl@0:     list [catch { eval [list $lindex {a b c} $x] } result] $result
sl@0: } "1 {bad index \"end-\": must be integer or end?-integer?}"
sl@0: 
sl@0: test lindex-5.1 {bad second index} {
sl@0:     list [catch { eval [list $lindex {a b c} 0 0a2] } result] $result
sl@0: } "1 {bad index \"0a2\": must be integer or end?-integer?}"
sl@0: 
sl@0: test lindex-5.2 {good second index} {
sl@0:     eval [list $lindex {{a b c} {d e f} {g h i}} 1 2]
sl@0: } f
sl@0: 
sl@0: test lindex-5.3 {three indices} {
sl@0:     eval [list $lindex {{{a b} {c d}} {{e f} {g h}}} 1 0 1]
sl@0: } f
sl@0: test lindex-6.1 {error conditions in parsing list} {
sl@0:     list [catch {eval [list $lindex "a \{" 2]} msg] $msg
sl@0: } {1 {unmatched open brace in list}}
sl@0: test lindex-6.2 {error conditions in parsing list} {
sl@0:     list [catch {eval [list $lindex {a {b c}d e} 2]} msg] $msg
sl@0: } {1 {list element in braces followed by "d" instead of space}}
sl@0: test lindex-6.3 {error conditions in parsing list} {
sl@0:     list [catch {eval [list $lindex {a "b c"def ghi} 2]} msg] $msg
sl@0: } {1 {list element in quotes followed by "def" instead of space}}
sl@0: 
sl@0: test lindex-7.1 {quoted elements} {
sl@0:     eval [list $lindex {a "b c" d} 1]
sl@0: } {b c}
sl@0: test lindex-7.2 {quoted elements} {
sl@0:     eval [list $lindex {"{}" b c} 0]
sl@0: } {{}}
sl@0: test lindex-7.3 {quoted elements} {
sl@0:     eval [list $lindex {ab "c d \" x" y} 1]
sl@0: } {c d " x}
sl@0: test lindex-7.4 {quoted elements} {
sl@0:     lindex {a b {c d "e} {f g"}} 2
sl@0: } {c d "e}
sl@0: 
sl@0: test lindex-8.1 {data reuse} {
sl@0:     set x 0
sl@0:     eval [list $lindex $x $x]
sl@0: } {0}
sl@0: 
sl@0: test lindex-8.2 {data reuse} {
sl@0:     set a 0
sl@0:     eval [list $lindex $a $a $a]
sl@0: } 0
sl@0: test lindex-8.3 {data reuse} {
sl@0:     set a 1
sl@0:     eval [list $lindex $a $a $a]
sl@0: } {}
sl@0: 
sl@0: test lindex-8.4 {data reuse} {
sl@0:     set x [list 0 0]
sl@0:     eval [list $lindex $x $x]
sl@0: } {0}
sl@0: 
sl@0: test lindex-8.5 {data reuse} {
sl@0:     set x 0
sl@0:     eval [list $lindex $x [list $x $x]]
sl@0: } {0}
sl@0: 
sl@0: test lindex-8.6 {data reuse} {
sl@0:     set x [list 1 1]
sl@0:     eval [list $lindex $x $x]
sl@0: } {}
sl@0: 
sl@0: test lindex-8.7 {data reuse} {
sl@0:     set x 1
sl@0:     eval [list lindex $x [list $x $x]]
sl@0: } {}
sl@0: 
sl@0: #----------------------------------------------------------------------
sl@0: 
sl@0: # Compilation tests for lindex
sl@0: 
sl@0: test lindex-9.1 {wrong # args} {
sl@0:     list [catch {lindex} result] $result
sl@0: } "1 {wrong # args: should be \"lindex list ?index...?\"}"
sl@0: 
sl@0: # Indices that are lists or convertible to lists
sl@0: 
sl@0: test lindex-10.1 {empty index list} {
sl@0:     set x {}
sl@0:     catch {
sl@0: 	list [lindex {a b c} $x] [lindex {a b c} $x]
sl@0:     } result
sl@0:     set result
sl@0: } {{a b c} {a b c}}
sl@0: 
sl@0: test lindex-10.2 {singleton index list} {
sl@0:     set x { 1 }
sl@0:     catch {
sl@0: 	list [lindex {a b c} $x] [lindex {a b c} $x]
sl@0:     } result
sl@0:     set result
sl@0: } {b b}
sl@0: 
sl@0: test lindex-10.3 {multiple indices in list} {
sl@0:     set x {1 2}
sl@0:     catch {
sl@0: 	list [lindex {{a b c} {d e f}} $x] [lindex {{a b c} {d e f}} $x]
sl@0:     } result
sl@0:     set result
sl@0: } {f f}
sl@0: 
sl@0: test lindex-10.4 {malformed index list} {
sl@0:     set x \{
sl@0:     list [catch { lindex {a b c} $x } result] $result
sl@0: } {1 bad\ index\ \"\{\":\ must\ be\ integer\ or\ end?-integer?}
sl@0: 
sl@0: # Indices that are integers or convertible to integers
sl@0: 
sl@0: test lindex-11.1 {integer -1} {
sl@0:     set x ${minus}1
sl@0:     catch {
sl@0: 	list [lindex {a b c} $x] [lindex {a b c} $x]
sl@0:     } result
sl@0:     set result
sl@0: } {{} {}}
sl@0: 
sl@0: test lindex-11.2 {integer 0} {
sl@0:     set x [string range 00 0 0]
sl@0:     catch {
sl@0: 	list [lindex {a b c} $x] [lindex {a b c} $x]
sl@0:     } result
sl@0:     set result
sl@0: } {a a}
sl@0: 
sl@0: test lindex-11.3 {integer 2} {
sl@0:     set x [string range 22 0 0]
sl@0:     catch {
sl@0: 	list [lindex {a b c} $x] [lindex {a b c} $x]
sl@0:     } result
sl@0:     set result
sl@0: } {c c}
sl@0: 
sl@0: test lindex-11.4 {integer 3} {
sl@0:     set x [string range 33 0 0]
sl@0:     catch {
sl@0: 	list [lindex {a b c} $x] [lindex {a b c} $x]
sl@0:     } result
sl@0:     set result
sl@0: } {{} {}}
sl@0: 
sl@0: test lindex-11.5 {bad octal} {
sl@0:     set x 08
sl@0:     list [catch { lindex {a b c} $x } result] $result
sl@0: } "1 {bad index \"08\": must be integer or end?-integer? (looks like invalid octal number)}"
sl@0: 
sl@0: test lindex-11.6 {bad octal} {
sl@0:     set x -09
sl@0:     list [catch { lindex {a b c} $x } result] $result
sl@0: } "1 {bad index \"-09\": must be integer or end?-integer? (looks like invalid octal number)}"
sl@0: 
sl@0: # Indices relative to end
sl@0: 
sl@0: test lindex-12.1 {index = end} {
sl@0:     set x end
sl@0:     catch {
sl@0: 	list [lindex {a b c} $x] [lindex {a b c} $x]
sl@0:     } result
sl@0:     set result
sl@0: } {c c}
sl@0: 
sl@0: test lindex-12.2 {index = end--1} {
sl@0:     set x end--1
sl@0:     catch {
sl@0: 	list [lindex {a b c} $x] [lindex {a b c} $x]
sl@0:     } result
sl@0:     set result
sl@0: } {{} {}}
sl@0: 
sl@0: test lindex-12.3 {index = end-0} {
sl@0:     set x end-0
sl@0:     catch {
sl@0: 	list [lindex {a b c} $x] [lindex {a b c} $x]
sl@0:     } result
sl@0:     set result
sl@0: } {c c}
sl@0: 
sl@0: test lindex-12.4 {index = end-2} {
sl@0:     set x end-2
sl@0:     catch {
sl@0: 	list [lindex {a b c} $x] [lindex {a b c} $x]
sl@0:     } result
sl@0:     set result
sl@0: } {a a}
sl@0: 
sl@0: test lindex-12.5 {index = end-3} {
sl@0:     set x end-3
sl@0:     catch {
sl@0: 	list [lindex {a b c} $x] [lindex {a b c} $x]
sl@0:     } result
sl@0:     set result
sl@0: } {{} {}}
sl@0: 
sl@0: test lindex-12.6 {bad octal} {
sl@0:     set x end-08
sl@0:     list [catch { lindex {a b c} $x } result] $result
sl@0: } "1 {bad index \"end-08\": must be integer or end?-integer? (looks like invalid octal number)}"
sl@0: 
sl@0: test lindex-12.7 {bad octal} {
sl@0:     set x end--09
sl@0:     list [catch { lindex {a b c} $x } result] $result
sl@0: } "1 {bad index \"end--09\": must be integer or end?-integer?}"
sl@0: 
sl@0: test lindex-12.8 {bad integer, not octal} {
sl@0:     set x end-0a2
sl@0:     list [catch { lindex {a b c} $x } result] $result
sl@0: } "1 {bad index \"end-0a2\": must be integer or end?-integer?}"
sl@0: 
sl@0: test lindex-12.9 {incomplete end} {
sl@0:     set x en
sl@0:     catch {
sl@0: 	list [lindex {a b c} $x] [lindex {a b c} $x]
sl@0:     } result
sl@0:     set result
sl@0: } {c c}
sl@0: 
sl@0: test lindex-12.10 {incomplete end-} {
sl@0:     set x end-
sl@0:     list [catch { lindex {a b c} $x } result] $result
sl@0: } "1 {bad index \"end-\": must be integer or end?-integer?}"
sl@0: 
sl@0: test lindex-13.1 {bad second index} {
sl@0:     list [catch { lindex {a b c} 0 0a2 } result] $result
sl@0: } "1 {bad index \"0a2\": must be integer or end?-integer?}"
sl@0: 
sl@0: test lindex-13.2 {good second index} {
sl@0:     catch {
sl@0: 	lindex {{a b c} {d e f} {g h i}} 1 2
sl@0:     } result
sl@0:     set result
sl@0: } f
sl@0: 
sl@0: test lindex-13.3 {three indices} {
sl@0:     catch {
sl@0: 	lindex {{{a b} {c d}} {{e f} {g h}}} 1 0 1
sl@0:     } result
sl@0:     set result
sl@0: } f
sl@0: 
sl@0: test lindex-14.1 {error conditions in parsing list} {
sl@0:     list [catch { lindex "a \{" 2 } msg] $msg
sl@0: } {1 {unmatched open brace in list}}
sl@0: test lindex-14.2 {error conditions in parsing list} {
sl@0:     list [catch { lindex {a {b c}d e} 2 } msg] $msg
sl@0: } {1 {list element in braces followed by "d" instead of space}}
sl@0: test lindex-14.3 {error conditions in parsing list} {
sl@0:     list [catch { lindex {a "b c"def ghi} 2 } msg] $msg
sl@0: } {1 {list element in quotes followed by "def" instead of space}}
sl@0: 
sl@0: test lindex-15.1 {quoted elements} {
sl@0:     catch {
sl@0: 	lindex {a "b c" d} 1
sl@0:     } result
sl@0:     set result
sl@0: } {b c}
sl@0: test lindex-15.2 {quoted elements} {
sl@0:     catch {
sl@0: 	lindex {"{}" b c} 0
sl@0:     } result
sl@0:     set result
sl@0: } {{}}
sl@0: test lindex-15.3 {quoted elements} {
sl@0:     catch {
sl@0: 	lindex {ab "c d \" x" y} 1
sl@0:     } result
sl@0:     set result
sl@0: } {c d " x}
sl@0: test lindex-15.4 {quoted elements} {
sl@0:     catch {
sl@0: 	lindex {a b {c d "e} {f g"}} 2
sl@0:     } result
sl@0:     set result
sl@0: } {c d "e}
sl@0: 
sl@0: test lindex-16.1 {data reuse} {
sl@0:     set x 0
sl@0:     catch {
sl@0: 	lindex $x $x
sl@0:     } result
sl@0:     set result
sl@0: } {0}
sl@0: 
sl@0: test lindex-16.2 {data reuse} {
sl@0:     set a 0
sl@0:     catch {
sl@0: 	lindex $a $a $a
sl@0:     } result
sl@0:     set result
sl@0: } 0
sl@0: test lindex-16.3 {data reuse} {
sl@0:     set a 1
sl@0:     catch {
sl@0: 	lindex $a $a $a
sl@0:     } result
sl@0:     set result
sl@0: } {}
sl@0: 
sl@0: test lindex-16.4 {data reuse} {
sl@0:     set x [list 0 0]
sl@0:     catch {
sl@0: 	lindex $x $x
sl@0:     } result
sl@0:     set result
sl@0: } {0}
sl@0: 
sl@0: test lindex-16.5 {data reuse} {
sl@0:     set x 0
sl@0:     catch {
sl@0: 	lindex $x [list $x $x]
sl@0:     } result
sl@0:     set result
sl@0: } {0}
sl@0: 
sl@0: test lindex-16.6 {data reuse} {
sl@0:     set x [list 1 1]
sl@0:     catch {
sl@0: 	lindex $x $x
sl@0:     } result
sl@0:     set result
sl@0: } {}
sl@0: 
sl@0: test lindex-16.7 {data reuse} {
sl@0:     set x 1
sl@0:     catch {
sl@0: 	lindex $x [list $x $x]
sl@0:     } result
sl@0:     set result
sl@0: } {}
sl@0: 
sl@0: catch { unset lindex}
sl@0: catch { unset minus }
sl@0: 
sl@0: # cleanup
sl@0: ::tcltest::cleanupTests
sl@0: return