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#!/bin/bash
[ -f testing.sh ] && . testing.sh
if [ "$(id -u)" -ne 0 ]
then
echo "SKIPPED: losetup (not root)"
continue 2>/dev/null
exit
fi
#testing "name" "command" "result" "infile" "stdin"
truncate -s 1M blah.img &&
FILE="$(readlink -f blah.img)"
DEV="$(printf '%04d' $(stat -t blah.img | awk '{print $7}'))"
NODE="$(awk '{print $7}')"
losetup -f
losetup -f -s
losetup -f file
testing "cat" "cat && echo yes" "oneyes\n" "" "one"
testing "cat -" "cat - && echo yes" "oneyes\n" "" "one"
testing "cat file1 file2" "cat file1 file2" "one\ntwo\n" "" ""
testing "cat - file" "cat - file1" "zero\none\n" "" "zero\n"
testing "cat file -" "cat file1 -" "one\nzero\n" "" "zero\n"
testing "cat file1 notfound file2" \
"cat file1 notfound file2 2>stderr && echo ok ; cat stderr; rm stderr" \
"one\ntwo\ncat: notfound: No such file or directory\n" "" ""
testing "cat file1" \
"cat /proc/self/exe > file1 && cmp /proc/self/exe file1 && echo yes" \
"yes\n" "" ""
testing "cat - file1" \
"cat - file1 | diff -a -U 0 - file1 | tail -n 1" \
"-hello\n" "" "hello\n"
testing "cat > /dev/full" \
"cat - > /dev/full 2>stderr && echo ok; cat stderr; rm stderr" \
"cat: xwrite: No space left on device\n" "" "zero\n"
losetup -d
rm blah.img
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