diff options
Diffstat (limited to 't/t4038-diff-combined.sh')
| -rwxr-xr-x | t/t4038-diff-combined.sh | 177 |
1 files changed, 177 insertions, 0 deletions
diff --git a/t/t4038-diff-combined.sh b/t/t4038-diff-combined.sh index b7e16a7840..1019d7b35f 100755 --- a/t/t4038-diff-combined.sh +++ b/t/t4038-diff-combined.sh @@ -224,4 +224,181 @@ test_expect_success 'check combined output (ignore all spaces)' ' compare_diff_patch expected actual ' +test_expect_success 'combine diff coalesce simple' ' + >test && + git add test && + git commit -m initial && + test_seq 4 >test && + git commit -a -m empty1 && + git branch side1 && + git checkout HEAD^ && + test_seq 5 >test && + git commit -a -m empty2 && + test_must_fail git merge side1 && + >test && + git commit -a -m merge && + git show >actual.tmp && + sed -e "1,/^@@@/d" < actual.tmp >actual && + tr -d Q <<-\EOF >expected && + --1 + --2 + --3 + --4 + - 5 + EOF + compare_diff_patch expected actual +' + +test_expect_success 'combine diff coalesce tricky' ' + >test && + git add test && + git commit -m initial --allow-empty && + cat <<-\EOF >test && + 3 + 1 + 2 + 3 + 4 + EOF + git commit -a -m empty1 && + git branch -f side1 && + git checkout HEAD^ && + cat <<-\EOF >test && + 1 + 3 + 5 + 4 + EOF + git commit -a -m empty2 && + git branch -f side2 && + test_must_fail git merge side1 && + >test && + git commit -a -m merge && + git show >actual.tmp && + sed -e "1,/^@@@/d" < actual.tmp >actual && + tr -d Q <<-\EOF >expected && + -3 + --1 + -2 + --3 + - 5 + --4 + EOF + compare_diff_patch expected actual && + git checkout -f side1 && + test_must_fail git merge side2 && + >test && + git commit -a -m merge && + git show >actual.tmp && + sed -e "1,/^@@@/d" < actual.tmp >actual && + tr -d Q <<-\EOF >expected && + - 3 + --1 + - 2 + --3 + -5 + --4 + EOF + compare_diff_patch expected actual +' + +test_expect_failure 'combine diff coalesce three parents' ' + >test && + git add test && + git commit -m initial --allow-empty && + cat <<-\EOF >test && + 3 + 1 + 2 + 3 + 4 + EOF + git commit -a -m empty1 && + git checkout -B side1 && + git checkout HEAD^ && + cat <<-\EOF >test && + 1 + 3 + 7 + 5 + 4 + EOF + git commit -a -m empty2 && + git branch -f side2 && + git checkout HEAD^ && + cat <<-\EOF >test && + 3 + 1 + 6 + 5 + 4 + EOF + git commit -a -m empty3 && + >test && + git add test && + TREE=$(git write-tree) && + COMMIT=$(git commit-tree -p HEAD -p side1 -p side2 -m merge $TREE) && + git show $COMMIT >actual.tmp && + sed -e "1,/^@@@/d" < actual.tmp >actual && + tr -d Q <<-\EOF >expected && + -- 3 + ---1 + - 6 + - 2 + --3 + -7 + - -5 + ---4 + EOF + compare_diff_patch expected actual +' + +# Test for a bug reported at +# http://thread.gmane.org/gmane.comp.version-control.git/224410 +# where a delete lines were missing from combined diff output when they +# occurred exactly before the context lines of a later change. +test_expect_success 'combine diff missing delete bug' ' + git commit -m initial --allow-empty && + cat <<-\EOF >test && + 1 + 2 + 3 + 4 + EOF + git add test && + git commit -a -m side1 && + git checkout -B side1 && + git checkout HEAD^ && + cat <<-\EOF >test && + 0 + 1 + 2 + 3 + 4modified + EOF + git add test && + git commit -m side2 && + git branch -f side2 && + test_must_fail git merge --no-commit side1 && + cat <<-\EOF >test && + 1 + 2 + 3 + 4modified + EOF + git add test && + git commit -a -m merge && + git diff-tree -c -p HEAD >actual.tmp && + sed -e "1,/^@@@/d" < actual.tmp >actual && + tr -d Q <<-\EOF >expected && + - 0 + 1 + 2 + 3 + -4 + +4modified + EOF + compare_diff_patch expected actual +' + test_done |