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-rwxr-xr-xtests/df/skip-duplicates.sh20
1 files changed, 15 insertions, 5 deletions
diff --git a/tests/df/skip-duplicates.sh b/tests/df/skip-duplicates.sh
index 31ab014cb..ad5249b59 100755
--- a/tests/df/skip-duplicates.sh
+++ b/tests/df/skip-duplicates.sh
@@ -39,10 +39,15 @@ struct mntent *getmntent (FILE *fp)
static struct mntent mntent;
- while (done++ < 3)
+ while (done++ < 4)
{
- mntent.mnt_fsname = "fsname";
- mntent.mnt_dir = "/";
+ /* File system - Mounted on
+ fsname /
+ /fsname /root
+ /fsname /
+ */
+ mntent.mnt_fsname = (done == 2) ? "fsname" : "/fsname";
+ mntent.mnt_dir = (done == 3) ? "/root" : "/";
mntent.mnt_type = "-";
return &mntent;
@@ -65,11 +70,16 @@ test -f x || skip_ "internal test failure: maybe LD_PRELOAD doesn't work?"
LD_PRELOAD=./k.so df >out || fail=1
test $(wc -l <out) -eq 2 || { fail=1; cat out; }
+# df should also prefer "/fsname" over "fsname"
+test $(grep -c '/fsname' <out) -eq 1 || { fail=1; cat out; }
+# ... and "/fsname" with '/' as Mounted on over '/root'
+test $(grep -c '/root' <out) -eq 0 || { fail=1; cat out; }
+
# Ensure that filtering duplicates does not affect -a processing.
LD_PRELOAD=./k.so df -a >out || fail=1
-test $(wc -l <out) -eq 3 || { fail=1; cat out; }
+test $(wc -l <out) -eq 4 || { fail=1; cat out; }
-# Ensure that filtering duplcates does not affect
+# Ensure that filtering duplicates does not affect
# argument processing (now without the fake getmntent()).
df '.' '.' >out || fail=1
test $(wc -l <out) -eq 3 || { fail=1; cat out; }