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researchv10 Dan Cross

# This file contains contains a collection of tests for the "index"
# command in Tcl.  If everything is OK then it finishes silently.
# If a problem is detected then it generates a Tcl error with a
# cryptic message.  To trace the error you'll have to read through
# the commands in this file.
#
# $Header: /var/lib/cvsd/repos/research/researchv10dc/cmd/worm/scsi/tcl/tests/index.test,v 1.1.1.1 2018/04/24 17:21:33 root Exp $ (Berkeley)

proc check {a b num} {
    if {[string compare $a $b] != 0} {
	error [format {Index error %s: wanted "%s", got "%s"} $num $b $a]}
}

check [index {a b c} 0] a 1.1
check [index {a {b c d} x} 1] {b c d} 1.2
check [index {a b\ c\ d x} 1] {b c d} 1.3
check [index {a b c} 3] {} 1.4
check [catch {index {a b c} -1} msg] 1 1.5
check $msg {bad index "-1"} 1.6

check [index abcde 0 chars] a 2.1
check [index abcde 4 c] e 2.2
check [index abcde 5 chars] {} 2.3
check [catch {index abcde -10 chars} msg] 1 2.4
check $msg {bad index "-10"} 2.5

check [catch index msg] 1 3.1
check $msg {wrong # args:  should be "index value index [chars]"} 3.2
check [catch {index 1 2 3 4} msg] 1 3.3
check $msg {wrong # args:  should be "index value index [chars]"} 3.4
check [catch {index 1 2 foo} msg] 1 3.5
check $msg {bad argument "foo":  must be "chars"} 3.6
check [catch "index \"a b {c\" 2" msg] 1 3.7
check $msg {unmatched open brace in list} 3.8
check [catch "index \"a b {c}d e\" 2" msg] 1 3.9
check $msg {list element in braces followed by "d" instead of space} 3.10

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