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-rwxr-xr-xtests/mkfs-tests/004-rootdir-keeps-size/test.sh31
1 files changed, 31 insertions, 0 deletions
diff --git a/tests/mkfs-tests/004-rootdir-keeps-size/test.sh b/tests/mkfs-tests/004-rootdir-keeps-size/test.sh
new file mode 100755
index 00000000..7038c8ea
--- /dev/null
+++ b/tests/mkfs-tests/004-rootdir-keeps-size/test.sh
@@ -0,0 +1,31 @@
+#!/bin/bash
+# make sure that mkfs.btrfs --rootsize does not change size of the image
+
+source $TOP/tests/common
+
+check_prereq mkfs.btrfs
+
+prepare_test_dev
+
+test_mkfs_with_size() {
+ local size
+ local imgsize
+ local tmp
+
+ size="$1"
+ run_check truncate -s$size $TEST_DEV
+ imgsize=$(run_check_stdout stat --format=%s $TEST_DEV)
+ run_check $SUDO_HELPER $TOP/mkfs.btrfs -f \
+ --rootdir $TOP/Documentation \
+ $TEST_DEV
+ tmp=$(run_check_stdout stat --format=%s $TEST_DEV)
+ if ! [ "$imgsize" = "$tmp" ]; then
+ _fail "image size changed from $imgsize to $tmp"
+ fi
+}
+
+test_mkfs_with_size 128M
+test_mkfs_with_size 256M
+test_mkfs_with_size 512M
+test_mkfs_with_size 1G
+test_mkfs_with_size 2G