mksh/tests/bksl-nl.t

342 lines
4.2 KiB
Raku

# $OpenBSD: bksl-nl.t,v 1.2 2001/01/28 23:04:56 niklas Exp $
#
# These tests deal with how \newline is handled in various situations. The
# first group of tests are places where it shouldn't be collapsed, the next
# group of tests are places where it should be collapsed.
#
name: bksl-nl-ign-1
description:
Check that \newline is not collasped after #
stdin:
echo hi #there \
echo folks
expected-stdout:
hi
folks
---
name: bksl-nl-ign-2
description:
Check that \newline is not collasped inside single quotes
stdin:
echo 'hi \
there'
echo folks
expected-stdout:
hi \
there
folks
---
name: bksl-nl-ign-3
description:
Check that \newline is not collasped inside single quotes
stdin:
cat << \EOF
hi \
there
EOF
expected-stdout:
hi \
there
---
name: blsk-nl-ign-4
description:
Check interaction of aliases, single quotes and here-documents
with backslash-newline
(don't know what posix has to say about this)
stdin:
a=2
alias x='echo hi
cat << "EOF"
foo\
bar
some'
x
more\
stuff$a
EOF
expected-stdout:
hi
foo\
bar
some
more\
stuff$a
---
name: blsk-nl-ign-5
description:
Check what happens with backslash at end of input
(the old bourne shell trashes them; so do we)
stdin: !
echo `echo foo\\`bar
echo hi\
expected-stdout:
foobar
hi
---
#
# Places \newline should be collapsed
#
name: bksl-nl-1
description:
Check that \newline is collasped before, in the middle of, and
after words
stdin:
\
echo hi\
There, \
folks
expected-stdout:
hiThere, folks
---
name: bksl-nl-2
description:
Check that \newline is collasped in $ sequences
(ksh93 fails this)
stdin:
a=12
ab=19
echo $\
a
echo $a\
b
echo $\
{a}
echo ${a\
b}
echo ${ab\
}
expected-stdout:
12
19
12
19
19
---
name: bksl-nl-3
description:
Check that \newline is collasped in $(..) and `...` sequences
(ksh93 fails this)
stdin:
echo $\
(echo foobar1)
echo $(\
echo foobar2)
echo $(echo foo\
bar3)
echo $(echo foobar4\
)
echo `
echo stuff1`
echo `echo st\
uff2`
expected-stdout:
foobar1
foobar2
foobar3
foobar4
stuff1
stuff2
---
name: bksl-nl-4
description:
Check that \newline is collasped in $((..)) sequences
(ksh93 fails this)
stdin:
echo $\
((1+2))
echo $(\
(1+2+3))
echo $((\
1+2+3+4))
echo $((1+\
2+3+4+5))
echo $((1+2+3+4+5+6)\
)
expected-stdout:
3
6
10
15
21
---
name: bksl-nl-5
description:
Check that \newline is collasped in double quoted strings
stdin:
echo "\
hi"
echo "foo\
bar"
echo "folks\
"
expected-stdout:
hi
foobar
folks
---
name: bksl-nl-6
description:
Check that \newline is collasped in here document delimiters
(ksh93 fails second part of this)
stdin:
a=12
cat << EO\
F
a=$a
foo\
bar
EOF
cat << E_O_F
foo
E_O_\
F
echo done
expected-stdout:
a=12
foobar
foo
done
---
name: bksl-nl-7
description:
Check that \newline is collasped in double-quoted here-document
delimiter.
stdin:
a=12
cat << "EO\
F"
a=$a
foo\
bar
EOF
echo done
expected-stdout:
a=$a
foo\
bar
done
---
name: bksl-nl-8
description:
Check that \newline is collasped in various 2+ character tokens
delimiter.
(ksh93 fails this)
stdin:
echo hi &\
& echo there
echo foo |\
| echo bar
cat <\
< EOF
stuff
EOF
cat <\
<\
- EOF
more stuff
EOF
cat <<\
EOF
abcdef
EOF
echo hi >\
> /dev/null
echo $?
i=1
case $i in
(\
x|\
1\
) echo hi;\
;
(*) echo oops
esac
expected-stdout:
hi
there
foo
stuff
more stuff
abcdef
0
hi
---
name: blsk-nl-9
description:
Check that \ at the end of an alias is collapsed when followed
by a newline
(don't know what posix has to say about this)
stdin:
alias x='echo hi\'
x
echo there
expected-stdout:
hiecho there
---
name: blsk-nl-10
description:
Check that \newline in a keyword is collapsed
stdin:
i\
f true; then\
echo pass; el\
se echo fail; fi
expected-stdout:
pass
---
#
# Places \newline should be collapsed (ksh extensions)
#
name: blsk-nl-ksh-1
description:
Check that \newline is collapsed in extended globbing
(ksh93 fails this)
stdin:
xxx=foo
case $xxx in
(f*\
(\
o\
)\
) echo ok ;;
*) echo bad
esac
expected-stdout:
ok
---
name: blsk-nl-ksh-2
description:
Check that \newline is collapsed in ((...)) expressions
(ksh93 fails this)
stdin:
i=1
(\
(\
i=i+2\
)\
)
echo $i
expected-stdout:
3
---