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tests: use system ENOSPC message

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* tests/head/head-write-error.sh: Verify ENOSPC is output.
* tests/misc/yes.sh: Likewise.
This commit is contained in:
Pádraig Brady
2026-02-17 21:55:54 +00:00
parent 17fb316388
commit 798f94c828
2 changed files with 7 additions and 9 deletions
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10
tests/head/head-write-error.sh
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@@ -19,6 +19,7 @@
. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
print_ver_ head
getlimits_
if ! test -w /dev/full || ! test -c /dev/full; then
skip_ '/dev/full is required'
@@ -29,21 +30,18 @@ fi
yes | head -c10M > bigseek || framework_failure_
# This is the single output diagnostic expected,
# (without the possibly varying :strerror(ENOSPC) suffix).
printf '%s\n' "head: error writing 'standard output'" > exp
printf '%s\n' "head: error writing 'standard output': $ENOSPC" > exp
# Memory is bounded in these cases
for item in lines bytes; do
for N in 0 1; do
# pipe case
yes | returns_ 1 timeout 10s head --$item=-$N > /dev/full 2> errt || fail=1
sed 's/\(head:.*\):.*/\1/' errt > err
yes | returns_ 1 timeout 10s head --$item=-$N > /dev/full 2> err || fail=1
compare exp err || fail=1
# seekable case
returns_ 1 timeout 10s head --$item=-$N bigseek > /dev/full 2> errt \
returns_ 1 timeout 10s head --$item=-$N bigseek > /dev/full 2> err \
|| fail=1
sed 's/\(head:.*\):.*/\1/' errt > err
compare exp err || fail=1
done
done

6
tests/misc/yes.sh
View File

@@ -18,6 +18,7 @@
. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
print_ver_ yes
getlimits_
# Check basic operation
test "$(yes | head -n1)" = 'y' || fail=1
@@ -47,11 +48,10 @@ fi
if test -w /dev/full && test -c /dev/full; then
# The single output diagnostic expected,
# (without the possibly varying :strerror(ENOSPC) suffix).
printf '%s\n' "yes: standard output" > exp
printf '%s\n' "yes: standard output: $ENOSPC" > exp
for size in 1 16384; do
returns_ 1 yes "$(printf %${size}s '')" >/dev/full 2>errt || fail=1
sed 's/\(yes:.*\):.*/\1/' errt > err
returns_ 1 yes "$(printf %${size}s '')" >/dev/full 2>err || fail=1
compare exp err || fail=1
done
fi