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Diffstat (limited to 'tests/test-lib.sh')
| -rw-r--r-- | tests/test-lib.sh | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/tests/test-lib.sh b/tests/test-lib.sh index bd6be422b..5ff301c6f 100644 --- a/tests/test-lib.sh +++ b/tests/test-lib.sh @@ -197,6 +197,23 @@ of group names or numbers. E.g., esac } +# Does the current (working-dir) file system support sparse files? +require_sparse_support_() +{ + test $# = 0 || framework_failure + # Test whether we can create a sparse file. + # For example, on Darwin6.5 with a file system of type hfs, it's not possible. + # NTFS requires 128K before a hole appears in a sparse file. + t=sparse.$$ + dd bs=1 seek=128K of=$t < /dev/null 2> /dev/null + set x `du -sk $t` + kb_size=$2 + rm -f $t + if test $kb_size -ge 128; then + skip_test_ 'this file system does not support sparse files' + fi +} + mkfifo_or_skip_() { test $# = 1 || framework_failure |