1 #!/bin/bash 2 3 [ -f testing.sh ] && . testing.sh 4 5 #testing "name" "command" "result" "infile" "stdin" 6 7 # we only test with -k since getting POSIX version is variable 8 # POSIXLY_CORRECT is sometimes needed, sometimes -P is needed, 9 # while -k is the default on most Linux systems 10 11 mkdir -p du_test/test du_2/foo 12 testing "(no options)" "du -k du_test" "4\tdu_test/test\n8\tdu_test\n" "" "" 13 testing "-s" "du -k -s du_test" "8\tdu_test\n" "" "" 14 ln -s ../du_2 du_test/xyz 15 # "du shall count the size of the symbolic link" 16 # The tests assume that like for most POSIX systems symbolic 17 # links are stored directly in the inode so that the 18 # allocated file space is zero. 19 testing "counts symlinks without following" "du -ks du_test" "8\tdu_test\n" "" "" 20 testing "-L follows symlinks" "du -ksL du_test" "16\tdu_test\n" "" "" 21 ln -s . du_test/up 22 testing "-L avoid endless loop" "du -ksL du_test" "16\tdu_test\n" "" "" 23 rm du_test/up 24 # if -H and -L are specified, the last takes priority 25 testing "-HL follows symlinks" "du -ksHL du_test" "16\tdu_test\n" "" "" 26 testing "-H does not follow unspecified symlinks" "du -ksH du_test" "8\tdu_test\n" "" "" 27 testing "-LH does not follow unspecified symlinks" "du -ksLH du_test" "8\tdu_test\n" "" "" 28 testing "-H follows specified symlinks" "du -ksH du_test/xyz" "8\tdu_test/xyz\n" "" "" 29 30 rm -rf du_test du_2 31 32
