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source testing.tcl
test concat-1.1 {simple concatenation} {
concat a b c d e f g
} {a b c d e f g}
test concat-1.2 {merging lists together} {
concat a {b c d} {e f g h}
} {a b c d e f g h}
test concat-1.3 {merge lists, retain sub-lists} {
concat a {b {c d}} {{e f}} g h
} {a b {c d} {e f} g h}
test concat-1.4 {special characters} {
concat a\{ {b \{c d} \{d
} "a{ b \\{c d {d"
test concat-2.1 {error check: one empty argument} {
concat {}
} {}
test concat-3.1 {error check: no arguments} {
list [catch concat msg] $msg
} {0 {}}
test concat-4.1 {pruning off extra white space} {
concat {} {a b c}
} {a b c}
test concat-4.2 {pruning off extra white space} {
concat x y " a b c \n\t " " " " def "
} {x y a b c def}
test concat-4.3 {pruning off extra white space sets length correctly} {
llength [concat { {{a}} }]
} 1
test concat-5.1 {Tcl_ScanCountedElement procedure - don't leave unmatched braces} {
# This test checks for a very tricky feature. Any list element
# generated with Tcl_ScanCountedElement and Tcl_ConvertElement must
# have the property that it can be enclosing in curly braces to make
# an embedded sub-list. If this property doesn't hold, then
# Tcl_DStringStartSublist doesn't work.
set x {}
lappend x " \\\{ \\"
concat $x [llength "{$x}"]
} {\ \\\{\ \\ 1}
test concat-6.1 {Tcl_ConcatObj - backslash-space at end of argument} {
concat a {b\ } c
} {a b\ c}
test concat-6.2 {Tcl_ConcatObj - backslash-space at end of argument} {
concat a {b\ } c
} {a b\ c}
test concat-6.3 {Tcl_ConcatObj - backslash-space at end of argument} {
concat a {b\\ } c
} {a b\\ c}
test concat-6.4 {Tcl_ConcatObj - backslash-space at end of argument} {
concat a {b } c
} {a b c}
test concat-6.5 {Tcl_ConcatObj - backslash-space at end of argument} {
concat a { } c
} {a c}
test concat-6.6 {Tcl_ConcatObj - utf-8 sequence with "whitespace" char} {
# Check for Bug #227512. If this violates C isspace, then it returns \xc3.
concat \xe0
} \xe0
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