# 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 1.1.1.1 2007/07/10 15:04:24 duncan 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