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89f3daeaaf
* tests/colors: Allow an exit code of not just 141 (SIGPIPE), but also "error": 2. Reported by Tomasz Kłoczko in http://bugs.gnu.org/59905.
137 lines
3.0 KiB
Bash
Executable File
137 lines
3.0 KiB
Bash
Executable File
#!/bin/sh
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. "${srcdir=.}/init.sh"; path_prepend_ ../src
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TZ=UTC0
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export TZ
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fail=0
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echo a > a
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echo b > b
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# On systems lacking fractional timestamp support, diff -u does not print
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# a decimal point and 9-digit nanosecond suffix.
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nanosecond_zeros=$(diff -u a b|grep '\.' > /dev/null && echo .000000000)
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epoch='1970-01-01 00:00:00'
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touch -t 197001010000.00 a b
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e=$(printf '\033')
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tab=$(printf '\t')
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gen_exp_u()
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{
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local epoch_plus="$epoch$nanosecond_zeros +0000"
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local rs=$(printf "$e[${rs}m")
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local hd=$(printf "$e[${hd}m")
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local ad=$(printf "$e[${ad}m")
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local de=$(printf "$e[${de}m")
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local ln=$(printf "$e[${ln}m")
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printf '%s' \
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"$hd--- a$tab$epoch_plus$rs
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$hd+++ b$tab$epoch_plus$rs
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${ln}@@ -1 +1 @@$rs
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$de-a$rs
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$ad+b$rs
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"
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}
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gen_exp_c()
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{
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local epoch_posix_1003_1_2001="Thu Jan 1 00:00:00 1970"
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local rs=$(printf "$e[${rs}m")
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local hd=$(printf "$e[${hd}m")
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local ad=$(printf "$e[${ad}m")
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local de=$(printf "$e[${de}m")
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local ln=$(printf "$e[${ln}m")
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printf '%s' \
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"$hd*** a$tab$epoch_posix_1003_1_2001$rs
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$hd--- b$tab$epoch_posix_1003_1_2001$rs
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***************
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$ln*** 1 ****$rs
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$de! a$rs
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$ln--- 1 ----$rs
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$ad! b$rs
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"
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}
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gen_exp_default()
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{
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printf '%s' \
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"1c1
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< a
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---
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> b
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"
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}
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gen_exp_default_colors()
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{
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local rs=$(printf "$e[${rs}m")
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local hd=$(printf "$e[${hd}m")
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local ad=$(printf "$e[${ad}m")
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local de=$(printf "$e[${de}m")
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local ln=$(printf "$e[${ln}m")
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printf '%s' \
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"${ln}1c1$rs
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$de< a$rs
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---
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$ad> b$rs
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"
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}
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# Compare with some known outputs
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rs=0 hd=1 ad=32 de=31 ln=36
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returns_ 1 diff --color=auto a b > out || fail=1
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gen_exp_default > exp || framework_failure_
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compare exp out || fail=1
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returns_ 1 env PATH="$PATH" TERM=dumb \
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diff ---presume-output-tty --color=auto a b > out \
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|| fail=1
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gen_exp_default > exp || framework_failure_
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compare exp out || fail=1
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returns_ 1 diff --color=never a b > out || fail=1
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gen_exp_default > exp || framework_failure_
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compare exp out || fail=1
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returns_ 1 diff a b > out || fail=1
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gen_exp_default > exp || framework_failure_
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compare exp out || fail=1
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returns_ 1 diff --color=always a b > out || fail=1
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gen_exp_default_colors > exp || framework_failure_
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compare exp out || fail=1
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returns_ 1 diff -u --color=always a b > out || fail=1
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gen_exp_u > exp || framework_failure_
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compare exp out || fail=1
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returns_ 1 diff -c --color=always a b > out || fail=1
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gen_exp_c > exp || framework_failure_
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compare exp out || fail=1
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rs=0 hd=33 ad=34 de=35 ln=36
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returns_ 1 diff -u --color=always \
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--palette="rs=0:hd=33:ad=34:de=35:ln=36" a b > out || fail=1
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gen_exp_u > exp || framework_failure_
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compare exp out || fail=1
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# Before the fix in http://debbugs.gnu.org/22067,
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# this test would trigger an infinite loop bug.
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mkfifo fifo
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printf '%1000000s-a' > a
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printf '%1000000s-b' > b
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head -c 10 < fifo > /dev/null &
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diff --color=always ---presume-output-tty a b > fifo
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# Depending on version of GNU make (4.3.92-4.4 set SIGPIPE to "ignore"),
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# either of these is acceptable.
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case $? in 2|141) ;; *) fail=1 ;; esac
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Exit $fail
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