diff options
Diffstat (limited to 'tests/misc/shred-passes.sh')
| -rwxr-xr-x | tests/misc/shred-passes.sh | 34 |
1 files changed, 33 insertions, 1 deletions
diff --git a/tests/misc/shred-passes.sh b/tests/misc/shred-passes.sh index 0fa63be2f..64216fd8a 100755 --- a/tests/misc/shred-passes.sh +++ b/tests/misc/shred-passes.sh @@ -32,9 +32,9 @@ shred: f: renamed to 0 shred: f: removed" > exp || framework_failure_ shred -v -u f 2>out || fail=1 - compare exp out || fail=1 + # Likewise but for a zero length file # to bypass the data passes touch f || framework_failure_ @@ -44,7 +44,39 @@ shred: f: renamed to 0 shred: f: removed" > exp || framework_failure_ shred -v -u f 2>out || fail=1 +compare exp out || fail=1 + + +# shred data 20 times and verify the passes used. +# This would consume all random data between 5.93 and 8.24 inclusive. +dd bs=100K count=1 if=/dev/zero | tr '\0' 'U' > Us || framework_failure_ +printf 1 > f || framework_failure_ +echo "\ +shred: f: pass 1/20 (random)... +shred: f: pass 2/20 (ffffff)... +shred: f: pass 3/20 (924924)... +shred: f: pass 4/20 (888888)... +shred: f: pass 5/20 (db6db6)... +shred: f: pass 6/20 (777777)... +shred: f: pass 7/20 (492492)... +shred: f: pass 8/20 (bbbbbb)... +shred: f: pass 9/20 (555555)... +shred: f: pass 10/20 (aaaaaa)... +shred: f: pass 11/20 (random)... +shred: f: pass 12/20 (6db6db)... +shred: f: pass 13/20 (249249)... +shred: f: pass 14/20 (999999)... +shred: f: pass 15/20 (111111)... +shred: f: pass 16/20 (000000)... +shred: f: pass 17/20 (b6db6d)... +shred: f: pass 18/20 (eeeeee)... +shred: f: pass 19/20 (333333)... +shred: f: pass 20/20 (random)... +shred: f: removing +shred: f: renamed to 0 +shred: f: removed" > exp || framework_failure_ +shred -v -u -n20 --random-source=Us f 2>out || fail=1 compare exp out || fail=1 |