t6020: Add a testcase for modify/delete + directory/file conflict

Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/t/t6020-merge-df.sh b/t/t6020-merge-df.sh
index 8662207d292859ed10bdfb4b04ea9e680342c771..bc9db1a0f0826b030abf8d275de2c252f36d1fd1 100755 (executable)
--- a/t/t6020-merge-df.sh
+++ b/t/t6020-merge-df.sh
@@ -50,4 +50,51 @@ test_expect_success 'F/D conflict' '
        git merge master
 '
 
+test_expect_success 'setup modify/delete + directory/file conflict' '
+       git checkout --orphan modify &&
+       git rm -rf . &&
+       git clean -fdqx &&
+
+       printf "a\nb\nc\nd\ne\nf\ng\nh\n" >letters &&
+       git add letters &&
+       git commit -m initial &&
+
+       echo i >>letters &&
+       git add letters &&
+       git commit -m modified &&
+
+       git checkout -b delete HEAD^ &&
+       git rm letters &&
+       mkdir letters &&
+       >letters/file &&
+       git add letters &&
+       git commit -m deleted
+'
+
+test_expect_failure 'modify/delete + directory/file conflict' '
+       git checkout delete^0 &&
+       test_must_fail git merge modify &&
+
+       test 3 = $(git ls-files -s | wc -l) &&
+       test 2 = $(git ls-files -u | wc -l) &&
+       test 1 = $(git ls-files -o | wc -l) &&
+
+       test -f letters/file &&
+       test -f letters~modify
+'
+
+test_expect_failure 'modify/delete + directory/file conflict; other way' '
+       git reset --hard &&
+       git clean -f &&
+       git checkout modify^0 &&
+       test_must_fail git merge delete &&
+
+       test 3 = $(git ls-files -s | wc -l) &&
+       test 2 = $(git ls-files -u | wc -l) &&
+       test 1 = $(git ls-files -o | wc -l) &&
+
+       test -f letters/file &&
+       test -f letters~HEAD
+'
+
 test_done