diff options
Diffstat (limited to 't/t1006-cat-file.sh')
| -rwxr-xr-x | t/t1006-cat-file.sh | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/t/t1006-cat-file.sh b/t/t1006-cat-file.sh index 398865d6eb..86a2825473 100755 --- a/t/t1006-cat-file.sh +++ b/t/t1006-cat-file.sh @@ -903,6 +903,59 @@ test_expect_success 'cat-file -t and -s on corrupt loose object' ' ) ' +test_expect_success 'truncated object with --allow-unknown-type' - <<\EOT + objtype='a really long type name that exceeds the 32-byte limit' && + blob=$(git hash-object -w --literally -t "$objtype" /dev/null) && + objpath=.git/objects/$(test_oid_to_path "$blob") && + + # We want to truncate the object far enough in that we don't hit the + # end while inflating the first 32 bytes (since we want to have to dig + # for the trailing NUL of the header). But we don't want to go too far, + # since our header isn't very big. And of course we are counting + # deflated zlib bytes in the on-disk file, so it's a bit of a guess. + # Empirically 50 seems to work. + mv "$objpath" obj.bak && + test_when_finished 'mv obj.bak "$objpath"' && + test_copy_bytes 50 <obj.bak >"$objpath" && + + test_must_fail git cat-file --allow-unknown-type -t $blob 2>err && + test_grep "unable to unpack $blob header" err +EOT + +test_expect_success 'object reading handles zlib dictionary' - <<\EOT + echo 'content that will be recompressed' >file && + blob=$(git hash-object -w file) && + objpath=.git/objects/$(test_oid_to_path "$blob") && + + # Recompress a loose object using a precomputed zlib dictionary. + # This was originally done with: + # + # perl -MCompress::Raw::Zlib -e ' + # binmode STDIN; + # binmode STDOUT; + # my $data = do { local $/; <STDIN> }; + # my $in = new Compress::Raw::Zlib::Inflate; + # my $de = new Compress::Raw::Zlib::Deflate( + # -Dictionary => "anything" + # ); + # $in->inflate($data, $raw); + # $de->deflate($raw, $out); + # print $out; + # ' <obj.bak >$objpath + # + # but we do not want to require the perl module for all test runs (nor + # carry a custom t/helper program that uses zlib features we don't + # otherwise care about). + mv "$objpath" obj.bak && + test_when_finished 'mv obj.bak "$objpath"' && + printf '\170\273\017\112\003\143' >$objpath && + + test_must_fail git cat-file blob $blob 2>err && + test_grep ! 'too long' err && + test_grep 'error: unable to unpack' err && + test_grep 'error: inflate: needs dictionary' err +EOT + # Tests for git cat-file --follow-symlinks test_expect_success 'prep for symlink tests' ' echo_without_newline "$hello_content" >morx && |