t4205, t6006: add tests that fail with i18n.logOutputEncoding set

Pretty format string %<(N,[ml]trunc)>%s truncates subject to a given
length with an appropriate padding. This works for non-ASCII texts when
i18n.logOutputEncoding is UTF-8 only (independently of a printed commit
message encoding) but does not work when i18n.logOutputEncoding is NOT
UTF-8.

There were no breakages as far as were no tests for the case
when both a commit message and logOutputEncoding are not UTF-8.

Add failing tests for that which will be fixed in the next patch.

Signed-off-by: Alexey Shumkin <Alex.Crezoff@gmail.com>
Helped-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Helped-by: Ramsay Jones <ramsay@ramsay1.demon.co.uk>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

1 files changed, 73 insertions, 2 deletions

diff --git a/t/t6006-rev-list-format.sh b/t/t6006-rev-list-format.sh
index 692b0e5d72..680b960152 100755
--- a/t/t6006-rev-list-format.sh
+++ b/t/t6006-rev-list-format.sh
@@ -15,12 +15,22 @@ test_encoding="ISO8859-1"
 # String "added" in German
 # (translated with Google Translate),
 # encoded in UTF-8, used as a commit log message below.
-added=$(printf "added (hinzugef\303\274gt) foo")
+added_utf8_part=$(printf "\303\274")
+added_utf8_part_iso88591=$(echo "$added_utf8_part" | iconv -f utf-8 -t $test_encoding)
+added=$(printf "added (hinzugef${added_utf8_part}gt) foo")
 added_iso88591=$(echo "$added" | iconv -f utf-8 -t $test_encoding)
 # same but "changed"
-changed=$(printf "changed (ge\303\244ndert) foo")
+changed_utf8_part=$(printf "\303\244")
+changed_utf8_part_iso88591=$(echo "$changed_utf8_part" | iconv -f utf-8 -t $test_encoding)
+changed=$(printf "changed (ge${changed_utf8_part}ndert) foo")
 changed_iso88591=$(echo "$changed" | iconv -f utf-8 -t $test_encoding)
 
+# Count of char to truncate
+# Number is chosen so, that non-ACSII characters
+# (see $added_utf8_part and $changed_utf8_part)
+# fall into truncated parts of appropriate words both from left and right
+truncate_count=20
+
 test_expect_success 'setup' '
 	: >foo &&
 	git add foo &&
@@ -139,6 +149,13 @@ commit $head1
 $added
 EOF
 
+test_format subject-truncated "%<($truncate_count,trunc)%s" <<EOF
+commit $head2
+changed (ge${changed_utf8_part}ndert)..
+commit $head1
+added (hinzugef${added_utf8_part}gt..
+EOF
+
 test_format body %b <<EOF
 commit $head2
 commit $head1
@@ -239,6 +256,33 @@ commit $head1
 $added_iso88591
 EOF
 
+test_format complex-subject-trunc "%<($truncate_count,trunc)%s" failure <<EOF
+commit $head3
+Test printing of c..
+commit $head2
+changed (ge${changed_utf8_part_iso88591}ndert)..
+commit $head1
+added (hinzugef${added_utf8_part_iso88591}gt..
+EOF
+
+test_format complex-subject-mtrunc "%<($truncate_count,mtrunc)%s" failure <<EOF
+commit $head3
+Test prin..ex bodies
+commit $head2
+changed (..dert) foo
+commit $head1
+added (hi..f${added_utf8_part_iso88591}gt) foo
+EOF
+
+test_format complex-subject-ltrunc "%<($truncate_count,ltrunc)%s" failure <<EOF
+commit $head3
+.. of complex bodies
+commit $head2
+..ged (ge${changed_utf8_part_iso88591}ndert) foo
+commit $head1
+.. (hinzugef${added_utf8_part_iso88591}gt) foo
+EOF
+
 test_expect_success 'prepare expected messages (for test %b)' '
 	cat <<-EOF >expected.utf-8 &&
 	commit $head3
@@ -267,6 +311,33 @@ commit $head1
 $added
 EOF
 
+test_format complex-subject-commitencoding-unset-trunc "%<($truncate_count,trunc)%s" <<EOF
+commit $head3
+Test printing of c..
+commit $head2
+changed (ge${changed_utf8_part}ndert)..
+commit $head1
+added (hinzugef${added_utf8_part}gt..
+EOF
+
+test_format complex-subject-commitencoding-unset-mtrunc "%<($truncate_count,mtrunc)%s" <<EOF
+commit $head3
+Test prin..ex bodies
+commit $head2
+changed (..dert) foo
+commit $head1
+added (hi..f${added_utf8_part}gt) foo
+EOF
+
+test_format complex-subject-commitencoding-unset-ltrunc "%<($truncate_count,ltrunc)%s" <<EOF
+commit $head3
+.. of complex bodies
+commit $head2
+..ged (ge${changed_utf8_part}ndert) foo
+commit $head1
+.. (hinzugef${added_utf8_part}gt) foo
+EOF
+
 test_format complex-body-commitencoding-unset %b <expected.utf-8
 
 test_expect_success '%x00 shows NUL' '