From 154d28dd99da6fd3aef2621ead327c09c0d87bb6 Mon Sep 17 00:00:00 2001 From: Qu Wenruo Date: Mon, 22 Feb 2016 14:59:57 +0800 Subject: btrfs-progs: misc-test: Add regression test for find-root gives empty result Add regression test for btrfs-find-root gives empty result even the fs is OK. Signed-off-by: Qu Wenruo [ enhanced test ] Signed-off-by: David Sterba --- .../first_meta_chunk.btrfs-image | Bin 0 -> 4096 bytes tests/misc-tests/012-find-root-no-result/test.sh | 24 +++++++++++++++++++++ 2 files changed, 24 insertions(+) create mode 100644 tests/misc-tests/012-find-root-no-result/first_meta_chunk.btrfs-image create mode 100755 tests/misc-tests/012-find-root-no-result/test.sh diff --git a/tests/misc-tests/012-find-root-no-result/first_meta_chunk.btrfs-image b/tests/misc-tests/012-find-root-no-result/first_meta_chunk.btrfs-image new file mode 100644 index 00000000..7bf6c509 Binary files /dev/null and b/tests/misc-tests/012-find-root-no-result/first_meta_chunk.btrfs-image differ diff --git a/tests/misc-tests/012-find-root-no-result/test.sh b/tests/misc-tests/012-find-root-no-result/test.sh new file mode 100755 index 00000000..983a8a1e --- /dev/null +++ b/tests/misc-tests/012-find-root-no-result/test.sh @@ -0,0 +1,24 @@ +#!/bin/bash +# Regression test for case btrfs-find-root may print no result on a +# recent fs or balanced fs, whose metadata chunk is the first chunk +# and the only metadata chunk + +source $TOP/tests/common + +check_prereq btrfs-find-root +check_prereq btrfs-image + +run_check $TOP/btrfs-image -r first_meta_chunk.btrfs-image test.img || \ + _fail "failed to extract first_meta_chunk.btrfs-image" + +result=$(run_check_stdout $TOP/btrfs-find-root test.img | sed '/^Superblock/d') + +if [ -z "$result" ]; then + _fail "btrfs-find-root failed to find tree root" +fi + +if ! echo "$result" | grep -q 'Found tree root at'; then + _fail "btrfs-find-root failed to find tree root, unexpected output" +fi + +rm test.img -- cgit v1.2.3