t1005: add test for "read-tree --reset -u A B"

diff --git a/t/t1450-fsck.sh b/t/t1450-fsck.sh
index 5b8ebd805378dc79e449ec1eecd1e97e333a7902..5e36cc71b4cc5f60b3c3a1782f95ae36448020c5 100755 (executable)
--- a/t/t1450-fsck.sh
+++ b/t/t1450-fsck.sh
@@ -217,4 +217,30 @@ test_expect_success 'rev-list --verify-objects with bad sha1' '
        grep -q "error: sha1 mismatch 63ffffffffffffffffffffffffffffffffffffff" out
 '
 
+_bz='\0'
+_bz5="$_bz$_bz$_bz$_bz$_bz"
+_bz20="$_bz5$_bz5$_bz5$_bz5"
+
+test_expect_success 'fsck notices blob entry pointing to null sha1' '
+       (git init null-blob &&
+        cd null-blob &&
+        sha=$(printf "100644 file$_bz$_bz20" |
+              git hash-object -w --stdin -t tree) &&
+         git fsck 2>out &&
+         cat out &&
+         grep "warning.*null sha1" out
+       )
+'
+
+test_expect_success 'fsck notices submodule entry pointing to null sha1' '
+       (git init null-commit &&
+        cd null-commit &&
+        sha=$(printf "160000 submodule$_bz$_bz20" |
+              git hash-object -w --stdin -t tree) &&
+         git fsck 2>out &&
+         cat out &&
+         grep "warning.*null sha1" out
+       )
+'
+
 test_done