--- /dev/null
+# 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.
+#
+# Copyright (c) 1991-1993 The Regents of the University of California.
+# Copyright (c) 1994 Sun Microsystems, Inc.
+# Copyright (c) 1998-1999 by Scriptics Corporation.
+#
+# See the file "license.terms" for information on usage and redistribution
+# of this file, and for a DISCLAIMER OF ALL WARRANTIES.
+
+if {"::tcltest" ni [namespace children]} {
+ package require tcltest 2.5
+ namespace import -force ::tcltest::*
+}
+
+::tcltest::loadTestedCommands
+catch [list package require -exact Tcltest [info patchlevel]]
+
+testConstraint testpurebytesobj [llength [info commands testpurebytesobj]]
+
+\f
+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 end
+} {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-1.11 {range of list elements} {
+ lrange "a b c d" end end
+} d
+test lrange-1.12 {range of list elements} {
+ lrange "a b c d" end 100000
+} d
+test lrange-1.13 {range of list elements} {
+ lrange "a b c d" end 3
+} d
+test lrange-1.14 {range of list elements} {
+ lrange "a b c d" end 2
+} {}
+test lrange-1.15 {range of list elements} {
+ concat \"[lrange {a b \{\ } 0 2]"
+} {"a b \{\ "}
+# emacs highlighting bug workaround --> "
+test lrange-1.16 {list element quoting} {
+ lrange {[append a .b]} 0 end
+} {{[append} a .b\]}
+
+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 {bad index "b": must be integer?[+-]integer? or end?[+-]integer?}}
+test lrange-2.4 {error conditions} {
+ list [catch {lrange a 0 enigma} msg] $msg
+} {1 {bad index "enigma": must be integer?[+-]integer? or end?[+-]integer?}}
+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}}
+
+test lrange-3.1 {Bug 3588366: end-offsets before start} {
+ apply {l {
+ lrange $l 0 end-5
+ }} {1 2 3 4 5}
+} {}
+
+test lrange-3.2 {compiled with static indices out of range, negative} {
+ list [lrange {a b c} -1 -2] [lrange {a b c} -2 -1] [lrange {a b c} -3 -2] [lrange {a b c} -2 -3]
+} [lrepeat 4 {}]
+test lrange-3.3 {compiled with calculated indices out of range, negative constant} {
+ list [lrange {a b c} 0-1 -1-1] [lrange {a b c} -2+0 0-1] [lrange {a b c} -2-1 -2+1] [lrange {a b c} -2+1 -2-1]
+} [lrepeat 4 {}]
+test lrange-3.4 {compiled with calculated indices out of range, after end} {
+ list [lrange {a b c} end+1 end+2] [lrange {a b c} end+2 end+1] [lrange {a b c} end+2 end+3] [lrange {a b c} end+3 end+2]
+} [lrepeat 4 {}]
+
+test lrange-3.5 {compiled with calculated indices, start out of range (negative)} {
+ list [lrange {a b c} -1 1] [lrange {a b c} -1+0 end-1] [lrange {a b c} -2 1] [lrange {a b c} -2+0 0+1]
+} [lrepeat 4 {a b}]
+test lrange-3.6 {compiled with calculated indices, end out of range (after end)} {
+ list [lrange {a b c} 1 end+1] [lrange {a b c} 1+0 2+1] [lrange {a b c} 1 end+1] [lrange {a b c} end-1 3+1]
+} [lrepeat 4 {b c}]
+
+test lrange-3.7a {compiled on empty not canonical list (with static and dynamic indices), regression test, bug [cc1e91552c]} {
+ list [lrange { } 0 1] [lrange [format %c 32] 0 1] [lrange [set a { }] 0 1] \
+ [lrange { } 0-1 end+1] [lrange [format %c 32] 0-1 end+1] [lrange $a 0-1 end+1]
+} [lrepeat 6 {}]
+test lrange-3.7b {not compiled on empty not canonical list (with static and dynamic indices), regression test, bug [cc1e91552c]} {
+ set cmd lrange
+ list [$cmd { } 0 1] [$cmd [format %c 32] 0 1] [$cmd [set a { }] 0 1] \
+ [$cmd { } 0-1 end+1] [$cmd [format %c 32] 0-1 end+1] [$cmd $a 0-1 end+1]
+} [lrepeat 6 {}]
+# following 4 tests could cause a segfault on empty non-lists with tclEmptyStringRep
+# (as before the fix [58c46e74b931d3a1]):
+test lrange-3.7a.2 {compiled on empty not list object, 2nd regression test, bug [cc1e91552c]} {
+ list [lrange {} 0 1] [lrange [lindex a -1] 0 1] [lrange [set a {}] 0 1] \
+ [lrange {} 0-1 end+1] [lrange [lindex a -1] 0-1 end+1] [lrange $a 0-1 end+1]
+} [lrepeat 6 {}]
+test lrange-3.7b.2 {not compiled on empty not list object, 2nd regression test, bug [cc1e91552c]} {
+ set cmd lrange
+ list [$cmd {} 0 1] [$cmd [lindex a -1] 0 1] [$cmd [set a {}] 0 1] \
+ [$cmd {} 0-1 end+1] [$cmd [lindex a -1] 0-1 end+1] [$cmd $a 0-1 end+1]
+} [lrepeat 6 {}]
+test lrange-3.7c.2 {compiled on empty pure bytes object, 2nd regression test, bug [cc1e91552c]} -constraints {
+ testpurebytesobj
+} -body {
+ list [lrange [testpurebytesobj] 0 1] [lrange [testpurebytesobj { }] 0 1] [lrange [set a [testpurebytesobj {}]] 0 1] \
+ [lrange [testpurebytesobj] 0-1 end+1] [lrange [testpurebytesobj { }] 0-1 end+1] [lrange $a 0-1 end+1]
+} -result [lrepeat 6 {}]
+test lrange-3.7d.2 {not compiled on empty pure bytes object, 2nd regression test, bug [cc1e91552c]} -constraints {
+ testpurebytesobj
+} -body {
+ set cmd lrange
+ list [$cmd [testpurebytesobj] 0 1] [$cmd [testpurebytesobj { }] 0 1] [$cmd [set a [testpurebytesobj {}]] 0 1] \
+ [$cmd [testpurebytesobj] 0-1 end+1] [$cmd [testpurebytesobj { }] 0-1 end+1] [$cmd $a 0-1 end+1]
+} -result [lrepeat 6 {}]
+
+\f
+# cleanup
+::tcltest::cleanupTests
+return
+
+# Local Variables:
+# mode: tcl
+# End:
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