[git commit] tar: add a testcase for previous commit

[Denys Vlasenko]

commit: http://git.busybox.net/busybox/commit/?id=1cbc642bed8307a78ccec655d2db61a2ce21596c
branch: http://git.busybox.net/busybox/commit/?id=refs/heads/master

Signed-off-by: Denys Vlasenko <vda.linux at googlemail.com>
---
 testsuite/tar.tests |   12 ++++++++++++
 1 files changed, 12 insertions(+), 0 deletions(-)

diff --git a/testsuite/tar.tests b/testsuite/tar.tests
index 7927020..1bdd5d4 100755
--- a/testsuite/tar.tests
+++ b/testsuite/tar.tests
@@ -15,6 +15,18 @@ mkdir tar.tempdir && cd tar.tempdir || exit 1
 
 # testing "test name" "script" "expected result" "file input" "stdin"
 
+# Empty file is not a valid .tar.gz:
+optional FEATURE_SEAMLESS_GZ
+testing "tar hardlinks and repeated files" '\
+tar xvzf - 2>&1; echo $?
+' "\
+tar: invalid magic
+tar: short read
+1
+" \
+"" ""
+SKIP=
+
 optional FEATURE_TAR_CREATE FEATURE_LS_SORTFILES
 testing "tar hardlinks and repeated files" '\
 rm -rf input_* test.tar 2>/dev/null