# Commands covered:  lrange
#
# 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.
#
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# $Header: /user6/ouster/tcl/tests/RCS/lrange.test,v 1.2 93/02/06 16:01:44 ouster Exp $ (Berkeley)

if {[string compare test [info procs test]] == 1} then {source defs}

test lrange-1.1 {range of list elements} {
    lrange {a b c d} 1 2
} {b c}
test lrange-1.2 {range of list elements} {
    lrange {a {bcd e {f g {}}} l14 l15 d} 1 1
} {{bcd e {f g {}}}}
test lrange-1.3 {range of list elements} {
    lrange {a {bcd e {f g {}}} l14 l15 d} 3 end
} {l15 d}
test lrange-1.4 {range of list elements} {
    lrange {a {bcd e {f g {}}} l14 l15 d} 4 10000
} {d}
test lrange-1.5 {range of list elements} {
    lrange {a {bcd e {f g {}}} l14 l15 d} 4 3
} {}
test lrange-1.6 {range of list elements} {
    lrange {a {bcd e {f g {}}} l14 l15 d} 10 11
} {}
test lrange-1.7 {range of list elements} {
    lrange {a b c d e} -1 2
} {a b c}
test lrange-1.8 {range of list elements} {
    lrange {a b c d e} -2 -1
} {}
test lrange-1.9 {range of list elements} {
    lrange {a b c d e} -2 e
} {a b c d e}
test lrange-1.10 {range of list elements} {
    lrange "a b\{c d" 1 2
} "b\{c d"

test lrange-2.1 {error conditions} {
    list [catch {lrange a b} msg] $msg
} {1 {wrong # args: should be "lrange list first last"}}
test lrange-2.2 {error conditions} {
    list [catch {lrange a b 6 7} msg] $msg
} {1 {wrong # args: should be "lrange list first last"}}
test lrange-2.3 {error conditions} {
    list [catch {lrange a b 6} msg] $msg
} {1 {expected integer but got "b"}}
test lrange-2.4 {error conditions} {
    list [catch {lrange a 0 enigma} msg] $msg
} {1 {expected integer or "end" but got "enigma"}}
test lrange-2.5 {error conditions} {
    list [catch {lrange "a \{b c" 3 4} msg] $msg
} {1 {unmatched open brace in list}}
test lrange-2.6 {error conditions} {
    list [catch {lrange "a b c \{ d e" 1 4} msg] $msg
} {1 {unmatched open brace in list}}