diff options
Diffstat (limited to 'third_party/git/t/t4054-diff-bogus-tree.sh')
| -rwxr-xr-x | third_party/git/t/t4054-diff-bogus-tree.sh | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/third_party/git/t/t4054-diff-bogus-tree.sh b/third_party/git/t/t4054-diff-bogus-tree.sh new file mode 100755 index 0000000000..fcae82fffa --- /dev/null +++ b/third_party/git/t/t4054-diff-bogus-tree.sh @@ -0,0 +1,81 @@ +#!/bin/sh + +test_description='test diff with a bogus tree containing the null sha1' +. ./test-lib.sh + +test_expect_success 'create bogus tree' ' + bogus_tree=$( + printf "100644 fooQQQQQQQQQQQQQQQQQQQQQ" | + q_to_nul | + git hash-object -w --stdin -t tree + ) +' + +test_expect_success 'create tree with matching file' ' + echo bar >foo && + git add foo && + good_tree=$(git write-tree) && + blob=$(git rev-parse :foo) +' + +test_expect_success 'raw diff shows null sha1 (addition)' ' + echo ":000000 100644 $ZERO_OID $ZERO_OID A foo" >expect && + git diff-tree $EMPTY_TREE $bogus_tree >actual && + test_cmp expect actual +' + +test_expect_success 'raw diff shows null sha1 (removal)' ' + echo ":100644 000000 $ZERO_OID $ZERO_OID D foo" >expect && + git diff-tree $bogus_tree $EMPTY_TREE >actual && + test_cmp expect actual +' + +test_expect_success 'raw diff shows null sha1 (modification)' ' + echo ":100644 100644 $blob $ZERO_OID M foo" >expect && + git diff-tree $good_tree $bogus_tree >actual && + test_cmp expect actual +' + +test_expect_success 'raw diff shows null sha1 (other direction)' ' + echo ":100644 100644 $ZERO_OID $blob M foo" >expect && + git diff-tree $bogus_tree $good_tree >actual && + test_cmp expect actual +' + +test_expect_success 'raw diff shows null sha1 (reverse)' ' + echo ":100644 100644 $ZERO_OID $blob M foo" >expect && + git diff-tree -R $good_tree $bogus_tree >actual && + test_cmp expect actual +' + +test_expect_success 'raw diff shows null sha1 (index)' ' + echo ":100644 100644 $ZERO_OID $blob M foo" >expect && + git diff-index $bogus_tree >actual && + test_cmp expect actual +' + +test_expect_success 'patch fails due to bogus sha1 (addition)' ' + test_must_fail git diff-tree -p $EMPTY_TREE $bogus_tree +' + +test_expect_success 'patch fails due to bogus sha1 (removal)' ' + test_must_fail git diff-tree -p $bogus_tree $EMPTY_TREE +' + +test_expect_success 'patch fails due to bogus sha1 (modification)' ' + test_must_fail git diff-tree -p $good_tree $bogus_tree +' + +test_expect_success 'patch fails due to bogus sha1 (other direction)' ' + test_must_fail git diff-tree -p $bogus_tree $good_tree +' + +test_expect_success 'patch fails due to bogus sha1 (reverse)' ' + test_must_fail git diff-tree -R -p $good_tree $bogus_tree +' + +test_expect_success 'patch fails due to bogus sha1 (index)' ' + test_must_fail git diff-index -p $bogus_tree +' + +test_done |