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#!/bin/bash
[ -f testing.sh ] && . testing.sh
#testing "name" "command" "result" "infile" "stdin"
SIZE='&& stat -c %s freep'
testing "0" "truncate -s 0 freep $SIZE" "0\n" "" ""
testing "12345" "truncate -s 12345 freep $SIZE" "12345\n" "" ""
testing "1m" "truncate -s 1m freep $SIZE" "1048576\n" "" ""
# We can't test against 0 because Android filesystems use an extra 4KiB for
# extended attributes (SELinux).
testing "is sparse" "truncate -s 1g freep && [ $(stat -c %b freep) -le 8 ] &&
echo okay" \
"okay\n" "" ""
testing "+" "truncate -s 1k freep && truncate -s +1k freep $SIZE" \
"2048\n" "" ""
testing "-" "truncate -s 4k freep && truncate -s -1k freep $SIZE" \
"3072\n" "" ""
testing "< hit" \
"truncate -s 5k freep && truncate -s \<4k freep $SIZE" "4096\n" "" ""
testing "< miss" \
"truncate -s 4k freep && truncate -s \<6k freep $SIZE" "4096\n" "" ""
testing "> hit" \
"truncate -s 3k freep && truncate -s \>4k freep $SIZE" "4096\n" "" ""
testing "> miss" \
"truncate -s 4k freep && truncate -s \>2k freep $SIZE" "4096\n" "" ""
testing "/" "truncate -s 7k freep && truncate -s /3k freep $SIZE" \
"6144\n" "" ""
testing "%" "truncate -s 7k freep && truncate -s %3k freep $SIZE" \
"9216\n" "" ""
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