[PATCH 7/7] btrfs-progs: tests/cli: add a test case for "btrfs tune" subcommand

[Qu Wenruo <wqu@suse.com>]

The new test case would test all supported features of both set and
clear subcommands.

Also test the error handling of unknown features.

Signed-off-by: Qu Wenruo <wqu@suse.com>
---
 tests/cli-tests/018-btrfs-tune/test.sh | 40 ++++++++++++++++++++++++++
 1 file changed, 40 insertions(+)
 create mode 100755 tests/cli-tests/018-btrfs-tune/test.sh

diff --git a/tests/cli-tests/018-btrfs-tune/test.sh b/tests/cli-tests/018-btrfs-tune/test.sh
new file mode 100755
index 000000000000..3b2d1ebb3e59
--- /dev/null
+++ b/tests/cli-tests/018-btrfs-tune/test.sh
@@ -0,0 +1,40 @@
+#!/bin/bash
+# test all command line options of btrfstune
+
+source "$TEST_TOP/common" || exit
+
+check_prereq btrfstune
+
+setup_root_helper
+prepare_test_dev
+
+run_mayfail "$TOP/btrfstune" || true
+run_check "$TOP/btrfstune" --help
+
+run_mustfail "must not work on non-existent device" \
+	"$TOP/btrfstune" -r file-does-not-exist
+
+run_check_mkfs_test_dev -O ^extref
+run_check "$TOP/btrfs" tune set extref "$TEST_DEV"
+run_check "$TOP/btrfs" check "$TEST_DEV"
+
+run_check_mkfs_test_dev -O ^skinny-metadata
+run_check "$TOP/btrfs" tune set skinny-metadata "$TEST_DEV"
+run_check "$TOP/btrfs" check "$TEST_DEV"
+
+run_check_mkfs_test_dev -O ^no-holes
+run_check "$TOP/btrfs" tune set no-holes "$TEST_DEV"
+run_check "$TOP/btrfs" check "$TEST_DEV"
+
+run_check_mkfs_test_dev -O ^block-group-tree
+run_check "$TOP/btrfs" tune set block-group-tree "$TEST_DEV"
+run_check "$TOP/btrfs" check "$TEST_DEV"
+run_check "$TOP/btrfs" tune clear block-group-tree "$TEST_DEV"
+run_check "$TOP/btrfs" check "$TEST_DEV"
+
+run_check_mkfs_test_dev
+run_check "$TOP/btrfs" tune set -f seed "$TEST_DEV"
+run_check "$TOP/btrfs" tune clear seed "$TEST_DEV"
+
+run_mustfail "Unknown features" "$TOP/btrfs" tune set unknown-feature "$TEST_DEV"
+run_mustfail "Unknown features" "$TOP/btrfs" tune clear unknown-feature "$TEST_DEV"
-- 
2.42.0