1#!/bin/bash
2
3[ -f testing.sh ] && . testing.sh
4
5if [ "$(id -u)" -ne 0 ]
6then
7  echo "$SHOWSKIP: losetup (not root)"
8  continue 2>/dev/null
9  exit
10fi
11
12#testing "name" "command" "result" "infile" "stdin"
13
14truncate -s 1M blah.img &&
15FILE="$(readlink -f blah.img)"
16DEV="$(printf '%04d' $(stat -t blah.img | awk '{print $7}'))"
17NODE="$(awk '{print $7}')"
18
19losetup -f
20losetup -f -s
21losetup -f file
22testing "cat" "cat && echo yes" "oneyes\n" "" "one"
23testing "cat -" "cat - && echo yes" "oneyes\n" "" "one"
24testing "cat file1 file2" "cat file1 file2" "one\ntwo\n"  "" ""
25testing "cat - file"      "cat - file1"     "zero\none\n" "" "zero\n"
26testing "cat file -"      "cat file1 -"     "one\nzero\n" "" "zero\n"
27
28testing "cat file1 notfound file2" \
29        "cat file1 notfound file2 2>stderr && echo ok ; cat stderr; rm stderr" \
30        "one\ntwo\ncat: notfound: No such file or directory\n" "" ""
31
32testing "cat file1" \
33        "cat /proc/self/exe > file1 && cmp /proc/self/exe file1 && echo yes" \
34        "yes\n" "" ""
35
36testing "cat - file1" \
37        "cat - file1 | diff -a -U 0 - file1 | tail -n 1" \
38        "-hello\n" "" "hello\n"
39
40testing "cat > /dev/full" \
41        "cat - > /dev/full 2>stderr && echo ok; cat stderr; rm stderr" \
42        "cat: xwrite: No space left on device\n" "" "zero\n"
43
44losetup -d
45
46rm blah.img
47