From 63713028cd2c747b225c110193f63caff0f58aeb Mon Sep 17 00:00:00 2001 From: Junio C Hamano Date: Fri, 20 May 2005 08:32:07 -0700 Subject: [PATCH] [PATCH] Add tests for diff-tree This adds and reorganizes some tests for diff-tree Signed-off-by: Junio C Hamano Signed-off-by: Linus Torvalds --- t/lib-read-tree-m-3way.sh | 144 +++++++++++++++++++++++++++ t/t1000-read-tree-m-3way.sh | 171 +-------------------------------- t/t4002-diff-basic.sh | 187 ++++++++++++++++++++++++++++++++++++ 3 files changed, 332 insertions(+), 170 deletions(-) create mode 100644 t/lib-read-tree-m-3way.sh create mode 100644 t/t4002-diff-basic.sh diff --git a/t/lib-read-tree-m-3way.sh b/t/lib-read-tree-m-3way.sh new file mode 100644 index 000000000..d920c6b3a --- /dev/null +++ b/t/lib-read-tree-m-3way.sh @@ -0,0 +1,144 @@ +: Included from t1000-read-tree-m-3way.sh and others +# Original tree. +mkdir Z +for a in N D M +do + for b in N D M + do + p=$a$b + echo This is $p from the original tree. >$p + echo This is Z/$p from the original tree. >Z/$p + test_expect_success \ + "adding test file $p and Z/$p" \ + 'git-update-cache --add $p && + git-update-cache --add Z/$p' + done +done +echo This is SS from the original tree. >SS +test_expect_success \ + 'adding test file SS' \ + 'git-update-cache --add SS' +cat >TT <<\EOF +This is a trivial merge sample text. +Branch A is expected to upcase this word, here. +There are some filler lines to avoid diff context +conflicts here, +like this one, +and this one, +and this one is yet another one of them. +At the very end, here comes another line, that is +the word, expected to be upcased by Branch B. +This concludes the trivial merge sample file. +EOF +test_expect_success \ + 'adding test file TT' \ + 'git-update-cache --add TT' +test_expect_success \ + 'prepare initial tree' \ + 'tree_O=$(git-write-tree)' + +################################################################ +# Branch A and B makes the changes according to the above matrix. + +################################################################ +# Branch A + +to_remove=$(echo D? Z/D?) +rm -f $to_remove +test_expect_success \ + 'change in branch A (removal)' \ + 'git-update-cache --remove $to_remove' + +for p in M? Z/M? +do + echo This is modified $p in the branch A. >$p + test_expect_success \ + 'change in branch A (modification)' \ + "git-update-cache $p" +done + +for p in AN AA Z/AN Z/AA +do + echo This is added $p in the branch A. >$p + test_expect_success \ + 'change in branch A (addition)' \ + "git-update-cache --add $p" +done + +echo This is SS from the modified tree. >SS +echo This is LL from the modified tree. >LL +test_expect_success \ + 'change in branch A (addition)' \ + 'git-update-cache --add LL && + git-update-cache SS' +mv TT TT- +sed -e '/Branch A/s/word/WORD/g' TT +rm -f TT- +test_expect_success \ + 'change in branch A (edit)' \ + 'git-update-cache TT' + +mkdir DF +echo Branch A makes a file at DF/DF, creating a directory DF. >DF/DF +test_expect_success \ + 'change in branch A (change file to directory)' \ + 'git-update-cache --add DF/DF' + +test_expect_success \ + 'recording branch A tree' \ + 'tree_A=$(git-write-tree)' + +################################################################ +# Branch B +# Start from O + +rm -rf [NDMASLT][NDMASLT] Z DF +mkdir Z +test_expect_success \ + 'reading original tree and checking out' \ + 'git-read-tree $tree_O && + git-checkout-cache -a' + +to_remove=$(echo ?D Z/?D) +rm -f $to_remove +test_expect_success \ + 'change in branch B (removal)' \ + "git-update-cache --remove $to_remove" + +for p in ?M Z/?M +do + echo This is modified $p in the branch B. >$p + test_expect_success \ + 'change in branch B (modification)' \ + "git-update-cache $p" +done + +for p in NA AA Z/NA Z/AA +do + echo This is added $p in the branch B. >$p + test_expect_success \ + 'change in branch B (addition)' \ + "git-update-cache --add $p" +done +echo This is SS from the modified tree. >SS +echo This is LL from the modified tree. >LL +test_expect_success \ + 'change in branch B (addition and modification)' \ + 'git-update-cache --add LL && + git-update-cache SS' +mv TT TT- +sed -e '/Branch B/s/word/WORD/g' TT +rm -f TT- +test_expect_success \ + 'change in branch B (modification)' \ + 'git-update-cache TT' + +echo Branch B makes a file at DF. >DF +test_expect_success \ + 'change in branch B (addition of a file to conflict with directory)' \ + 'git-update-cache --add DF' + +test_expect_success \ + 'recording branch B tree' \ + 'tree_B=$(git-write-tree)' + diff --git a/t/t1000-read-tree-m-3way.sh b/t/t1000-read-tree-m-3way.sh index d7f900969..bd7406fd5 100755 --- a/t/t1000-read-tree-m-3way.sh +++ b/t/t1000-read-tree-m-3way.sh @@ -71,177 +71,8 @@ In addition: DF: a special case, where A makes a directory and B makes a file. ' - . ./test-lib.sh - -# Original tree. -mkdir Z -for a in N D M -do - for b in N D M - do - p=$a$b - echo This is $p from the original tree. >$p - echo This is Z/$p from the original tree. >Z/$p - test_expect_success \ - "adding test file $p and Z/$p" \ - 'git-update-cache --add $p && - git-update-cache --add Z/$p' - done -done -echo This is SS from the original tree. >SS -test_expect_success \ - 'adding test file SS' \ - 'git-update-cache --add SS' -cat >TT <<\EOF -This is a trivial merge sample text. -Branch A is expected to upcase this word, here. -There are some filler lines to avoid diff context -conflicts here, -like this one, -and this one, -and this one is yet another one of them. -At the very end, here comes another line, that is -the word, expected to be upcased by Branch B. -This concludes the trivial merge sample file. -EOF -test_expect_success \ - 'adding test file TT' \ - 'git-update-cache --add TT' -test_expect_success \ - 'prepare initial tree' \ - 'tree_O=$(git-write-tree)' - -test_expect_success \ - 'commit initial tree' \ - 'commit_O=$(echo "Original tree for the merge test." | - git-commit-tree $tree_O)' -echo $commit_O >.git/HEAD-O - -################################################################ -# Branch A and B makes the changes according to the above matrix. - -################################################################ -# Branch A - -to_remove=$(echo D? Z/D?) -rm -f $to_remove -test_expect_success \ - 'change in branch A (removal)' \ - 'git-update-cache --remove $to_remove' - -for p in M? Z/M? -do - echo This is modified $p in the branch A. >$p - test_expect_success \ - 'change in branch A (modification)' \ - "git-update-cache $p" -done - -for p in AN AA Z/AN Z/AA -do - echo This is added $p in the branch A. >$p - test_expect_success \ - 'change in branch A (addition)' \ - "git-update-cache --add $p" -done - -echo This is SS from the modified tree. >SS -echo This is LL from the modified tree. >LL -test_expect_success \ - 'change in branch A (addition)' \ - 'git-update-cache --add LL && - git-update-cache SS' -mv TT TT- -sed -e '/Branch A/s/word/WORD/g' TT -rm -f TT- -test_expect_success \ - 'change in branch A (edit)' \ - 'git-update-cache TT' - -mkdir DF -echo Branch A makes a file at DF/DF, creating a directory DF. >DF/DF -test_expect_success \ - 'change in branch A (change file to directory)' \ - 'git-update-cache --add DF/DF' - -test_expect_success \ - 'recording branch A tree' \ - 'tree_A=$(git-write-tree)' -test_expect_success \ - 'committing branch A changes' \ - 'commit_A=$(echo "Branch A for the merge test." | - git-commit-tree $tree_A -p $commit_O)' -echo $commit_A >.git/HEAD-A - -################################################################ -# Branch B -# Start from O - -rm -rf [NDMASLT][NDMASLT] Z DF -mkdir Z -test_expect_success \ - 'reading original tree and checking out' \ - 'git-read-tree $tree_O && - git-checkout-cache -a' - -to_remove=$(echo ?D Z/?D) -rm -f $to_remove -test_expect_success \ - 'change in branch B (removal)' \ - "git-update-cache --remove $to_remove" - -for p in ?M Z/?M -do - echo This is modified $p in the branch B. >$p - test_expect_success \ - 'change in branch B (modification)' \ - "git-update-cache $p" -done - -for p in NA AA Z/NA Z/AA -do - echo This is added $p in the branch B. >$p - test_expect_success \ - 'change in branch B (addition)' \ - "git-update-cache --add $p" -done -echo This is SS from the modified tree. >SS -echo This is LL from the modified tree. >LL -test_expect_success \ - 'change in branch B (addition and modification)' \ - 'git-update-cache --add LL && - git-update-cache SS' -mv TT TT- -sed -e '/Branch B/s/word/WORD/g' TT -rm -f TT- -test_expect_success \ - 'change in branch B (modification)' \ - 'git-update-cache TT' - -echo Branch B makes a file at DF. >DF -test_expect_success \ - 'change in branch B (addition of a file to conflict with directory)' \ - 'git-update-cache --add DF' - -test_expect_success \ - 'recording branch B tree' \ - 'tree_B=$(git-write-tree)' -test_expect_success \ - 'committing branch B changes' \ - 'commit_B=$(echo "Branch B for the merge test." | - git-commit-tree $tree_B -p $commit_O)' -echo $commit_B >.git/HEAD-B - -################################################################ -# Done preparation. - -test_debug ' - for T in O A B - do - echo "# $T $(eval git-cat-file commit \$commit_$T | sed -e 1q)" - done -' +. ../lib-read-tree-m-3way.sh ################################################################ # Try merging and showing the various diffs diff --git a/t/t4002-diff-basic.sh b/t/t4002-diff-basic.sh new file mode 100644 index 000000000..1bfbc2043 --- /dev/null +++ b/t/t4002-diff-basic.sh @@ -0,0 +1,187 @@ +#!/bin/sh +# +# Copyright (c) 2005 Junio C Hamano +# + +test_description='Test diff raw-output. + +' +. ./test-lib.sh +. ../lib-read-tree-m-3way.sh + +cat >.test-plain-OA <<\EOF ++100644 blob ccba72ad3888a3520b39efcf780b9ee64167535d AA ++100644 blob 7e426fb079479fd67f6d81f984e4ec649a44bc25 AN +-100644 blob bcc68ef997017466d5c9094bcf7692295f588c9a DD ++040000 tree 6d50f65d3bdab91c63444294d38f08aeff328e42 DF +-100644 blob 141c1f1642328e4bc46a7d801a71da392e66791e DM +-100644 blob 35abde1506ddf806572ff4d407bd06885d0f8ee9 DN ++100644 blob 1d41122ebdd7a640f29d3c9cc4f9d70094374762 LL +*100644->100644 blob 03f24c8c4700babccfd28b654e7e8eac402ad6cd->103d9f89b50b9aad03054b579be5e7aa665f2d57 MD +*100644->100644 blob b258508afb7ceb449981bd9d63d2d3e971bf8d34->b431b272d829ff3aa4d1a5085f4394ab4d3305b6 MM +*100644->100644 blob bd084b0c27c7b6cc34f11d6d0509a29be3caf970->a716d58de4a570e0038f5c307bd8db34daea021f MN +*100644->100644 blob 40c959f984c8b89a2b02520d17f00d717f024397->2ac547ae9614a00d1b28275de608131f7a0e259f SS +*100644->100644 blob 4ac13458899ab908ef3b1128fa378daefc88d356->4c86f9a85fbc5e6804ee2e17a797538fbe785bca TT +*040000->040000 tree 7d670fdcdb9929f6c7dac196ff78689cd1c566a1->5e5f22072bb39f6e12cf663a57cb634c76eefb49 Z +EOF + +cat >.test-recursive-OA <<\EOF ++100644 blob ccba72ad3888a3520b39efcf780b9ee64167535d AA ++100644 blob 7e426fb079479fd67f6d81f984e4ec649a44bc25 AN +-100644 blob bcc68ef997017466d5c9094bcf7692295f588c9a DD ++100644 blob 68a6d8b91da11045cf4aa3a5ab9f2a781c701249 DF/DF +-100644 blob 141c1f1642328e4bc46a7d801a71da392e66791e DM +-100644 blob 35abde1506ddf806572ff4d407bd06885d0f8ee9 DN ++100644 blob 1d41122ebdd7a640f29d3c9cc4f9d70094374762 LL +*100644->100644 blob 03f24c8c4700babccfd28b654e7e8eac402ad6cd->103d9f89b50b9aad03054b579be5e7aa665f2d57 MD +*100644->100644 blob b258508afb7ceb449981bd9d63d2d3e971bf8d34->b431b272d829ff3aa4d1a5085f4394ab4d3305b6 MM +*100644->100644 blob bd084b0c27c7b6cc34f11d6d0509a29be3caf970->a716d58de4a570e0038f5c307bd8db34daea021f MN +*100644->100644 blob 40c959f984c8b89a2b02520d17f00d717f024397->2ac547ae9614a00d1b28275de608131f7a0e259f SS +*100644->100644 blob 4ac13458899ab908ef3b1128fa378daefc88d356->4c86f9a85fbc5e6804ee2e17a797538fbe785bca TT ++100644 blob 8acb8e9750e3f644bf323fcf3d338849db106c77 Z/AA ++100644 blob 087494262084cefee7ed484d20c8dc0580791272 Z/AN +-100644 blob 879007efae624d2b1307214b24a956f0a8d686a8 Z/DD +-100644 blob 9b541b2275c06e3a7b13f28badf5294e2ae63df4 Z/DM +-100644 blob beb5d38c55283d280685ea21a0e50cfcc0ca064a Z/DN +*100644->100644 blob d41fda41b7ec4de46b43cb7ea42a45001ae393d5->a79ac3be9377639e1c7d1edf1ae1b3a5f0ccd8a9 Z/MD +*100644->100644 blob 4ca22bae2527d3d9e1676498a0fba3b355bd1278->61422ba9c2c873416061a88cd40a59a35b576474 Z/MM +*100644->100644 blob b16d7b25b869f2beb124efa53467d8a1550ad694->a5c544c21cfcb07eb80a4d89a5b7d1570002edfd Z/MN +EOF +cat >.test-plain-OB <<\EOF ++100644 blob 6aa2b5335b16431a0ef71e5c0a28be69183cf6a2 AA +-100644 blob bcc68ef997017466d5c9094bcf7692295f588c9a DD ++100644 blob 71420ab81e254145d26d6fc0cddee64c1acd4787 DF +*100644->100644 blob 141c1f1642328e4bc46a7d801a71da392e66791e->3c4d8de5fbad08572bab8e10eef8dbb264cf0231 DM ++100644 blob 1d41122ebdd7a640f29d3c9cc4f9d70094374762 LL +-100644 blob 03f24c8c4700babccfd28b654e7e8eac402ad6cd MD +*100644->100644 blob b258508afb7ceb449981bd9d63d2d3e971bf8d34->19989d4559aae417fedee240ccf2ba315ea4dc2b MM ++100644 blob 15885881ea69115351c09b38371f0348a3fb8c67 NA +-100644 blob a4e179e4291e5536a5e1c82e091052772d2c5a93 ND +*100644->100644 blob c8f25781e8f1792e3e40b74225e20553041b5226->cdb9a8c3da571502ac30225e9c17beccb8387983 NM +*100644->100644 blob 40c959f984c8b89a2b02520d17f00d717f024397->2ac547ae9614a00d1b28275de608131f7a0e259f SS +*100644->100644 blob 4ac13458899ab908ef3b1128fa378daefc88d356->c4e4a12231b9fa79a0053cb6077fcb21bb5b135a TT +*040000->040000 tree 7d670fdcdb9929f6c7dac196ff78689cd1c566a1->1ba523955d5160681af65cb776411f574c1e8155 Z +EOF +cat >.test-recursive-OB <<\EOF ++100644 blob 6aa2b5335b16431a0ef71e5c0a28be69183cf6a2 AA +-100644 blob bcc68ef997017466d5c9094bcf7692295f588c9a DD ++100644 blob 71420ab81e254145d26d6fc0cddee64c1acd4787 DF +*100644->100644 blob 141c1f1642328e4bc46a7d801a71da392e66791e->3c4d8de5fbad08572bab8e10eef8dbb264cf0231 DM ++100644 blob 1d41122ebdd7a640f29d3c9cc4f9d70094374762 LL +-100644 blob 03f24c8c4700babccfd28b654e7e8eac402ad6cd MD +*100644->100644 blob b258508afb7ceb449981bd9d63d2d3e971bf8d34->19989d4559aae417fedee240ccf2ba315ea4dc2b MM ++100644 blob 15885881ea69115351c09b38371f0348a3fb8c67 NA +-100644 blob a4e179e4291e5536a5e1c82e091052772d2c5a93 ND +*100644->100644 blob c8f25781e8f1792e3e40b74225e20553041b5226->cdb9a8c3da571502ac30225e9c17beccb8387983 NM +*100644->100644 blob 40c959f984c8b89a2b02520d17f00d717f024397->2ac547ae9614a00d1b28275de608131f7a0e259f SS +*100644->100644 blob 4ac13458899ab908ef3b1128fa378daefc88d356->c4e4a12231b9fa79a0053cb6077fcb21bb5b135a TT ++100644 blob 6c0b99286d0bce551ac4a7b3dff8b706edff3715 Z/AA +-100644 blob 879007efae624d2b1307214b24a956f0a8d686a8 Z/DD +*100644->100644 blob 9b541b2275c06e3a7b13f28badf5294e2ae63df4->d77371d15817fcaa57eeec27f770c505ba974ec1 Z/DM +-100644 blob d41fda41b7ec4de46b43cb7ea42a45001ae393d5 Z/MD +*100644->100644 blob 4ca22bae2527d3d9e1676498a0fba3b355bd1278->697aad7715a1e7306ca76290a3dd4208fbaeddfa Z/MM ++100644 blob d12979c22fff69c59ca9409e7a8fe3ee25eaee80 Z/NA +-100644 blob a18393c636b98e9bd7296b8b437ea4992b72440c Z/ND +*100644->100644 blob 3fdbe17fd013303a2e981e1ca1c6cd6e72789087->7e09d6a3a14bd630913e8c75693cea32157b606d Z/NM +EOF +cat >.test-plain-AB <<\EOF +*100644->100644 blob ccba72ad3888a3520b39efcf780b9ee64167535d->6aa2b5335b16431a0ef71e5c0a28be69183cf6a2 AA +-100644 blob 7e426fb079479fd67f6d81f984e4ec649a44bc25 AN ++100644 blob 71420ab81e254145d26d6fc0cddee64c1acd4787 DF +-040000 tree 6d50f65d3bdab91c63444294d38f08aeff328e42 DF ++100644 blob 3c4d8de5fbad08572bab8e10eef8dbb264cf0231 DM ++100644 blob 35abde1506ddf806572ff4d407bd06885d0f8ee9 DN +-100644 blob 103d9f89b50b9aad03054b579be5e7aa665f2d57 MD +*100644->100644 blob b431b272d829ff3aa4d1a5085f4394ab4d3305b6->19989d4559aae417fedee240ccf2ba315ea4dc2b MM +*100644->100644 blob a716d58de4a570e0038f5c307bd8db34daea021f->bd084b0c27c7b6cc34f11d6d0509a29be3caf970 MN ++100644 blob 15885881ea69115351c09b38371f0348a3fb8c67 NA +-100644 blob a4e179e4291e5536a5e1c82e091052772d2c5a93 ND +*100644->100644 blob c8f25781e8f1792e3e40b74225e20553041b5226->cdb9a8c3da571502ac30225e9c17beccb8387983 NM +*100644->100644 blob 4c86f9a85fbc5e6804ee2e17a797538fbe785bca->c4e4a12231b9fa79a0053cb6077fcb21bb5b135a TT +*040000->040000 tree 5e5f22072bb39f6e12cf663a57cb634c76eefb49->1ba523955d5160681af65cb776411f574c1e8155 Z +EOF +cat >.test-recursive-AB <<\EOF +*100644->100644 blob ccba72ad3888a3520b39efcf780b9ee64167535d->6aa2b5335b16431a0ef71e5c0a28be69183cf6a2 AA +-100644 blob 7e426fb079479fd67f6d81f984e4ec649a44bc25 AN ++100644 blob 71420ab81e254145d26d6fc0cddee64c1acd4787 DF +-100644 blob 68a6d8b91da11045cf4aa3a5ab9f2a781c701249 DF/DF ++100644 blob 3c4d8de5fbad08572bab8e10eef8dbb264cf0231 DM ++100644 blob 35abde1506ddf806572ff4d407bd06885d0f8ee9 DN +-100644 blob 103d9f89b50b9aad03054b579be5e7aa665f2d57 MD +*100644->100644 blob b431b272d829ff3aa4d1a5085f4394ab4d3305b6->19989d4559aae417fedee240ccf2ba315ea4dc2b MM +*100644->100644 blob a716d58de4a570e0038f5c307bd8db34daea021f->bd084b0c27c7b6cc34f11d6d0509a29be3caf970 MN ++100644 blob 15885881ea69115351c09b38371f0348a3fb8c67 NA +-100644 blob a4e179e4291e5536a5e1c82e091052772d2c5a93 ND +*100644->100644 blob c8f25781e8f1792e3e40b74225e20553041b5226->cdb9a8c3da571502ac30225e9c17beccb8387983 NM +*100644->100644 blob 4c86f9a85fbc5e6804ee2e17a797538fbe785bca->c4e4a12231b9fa79a0053cb6077fcb21bb5b135a TT +*100644->100644 blob 8acb8e9750e3f644bf323fcf3d338849db106c77->6c0b99286d0bce551ac4a7b3dff8b706edff3715 Z/AA +-100644 blob 087494262084cefee7ed484d20c8dc0580791272 Z/AN ++100644 blob d77371d15817fcaa57eeec27f770c505ba974ec1 Z/DM ++100644 blob beb5d38c55283d280685ea21a0e50cfcc0ca064a Z/DN +-100644 blob a79ac3be9377639e1c7d1edf1ae1b3a5f0ccd8a9 Z/MD +*100644->100644 blob 61422ba9c2c873416061a88cd40a59a35b576474->697aad7715a1e7306ca76290a3dd4208fbaeddfa Z/MM +*100644->100644 blob a5c544c21cfcb07eb80a4d89a5b7d1570002edfd->b16d7b25b869f2beb124efa53467d8a1550ad694 Z/MN ++100644 blob d12979c22fff69c59ca9409e7a8fe3ee25eaee80 Z/NA +-100644 blob a18393c636b98e9bd7296b8b437ea4992b72440c Z/ND +*100644->100644 blob 3fdbe17fd013303a2e981e1ca1c6cd6e72789087->7e09d6a3a14bd630913e8c75693cea32157b606d Z/NM +EOF + +test_expect_success \ + 'diff-tree of known trees.' \ + 'git-diff-tree $tree_O $tree_A >.test-a && + cmp -s .test-a .test-plain-OA' + +test_expect_success \ + 'diff-tree of known trees.' \ + 'git-diff-tree -r $tree_O $tree_A >.test-a && + cmp -s .test-a .test-recursive-OA' + +test_expect_success \ + 'diff-tree of known trees.' \ + 'git-diff-tree $tree_O $tree_B >.test-a && + cmp -s .test-a .test-plain-OB' + +test_expect_success \ + 'diff-tree of known trees.' \ + 'git-diff-tree -r $tree_O $tree_B >.test-a && + cmp -s .test-a .test-recursive-OB' + +test_expect_success \ + 'diff-tree of known trees.' \ + 'git-diff-tree $tree_A $tree_B >.test-a && + cmp -s .test-a .test-plain-AB' + +test_expect_success \ + 'diff-tree of known trees.' \ + 'git-diff-tree -r $tree_A $tree_B >.test-a && + cmp -s .test-a .test-recursive-AB' + +################################################################ +# Now we have established the baseline, we do not have to +# rely on individual object ID values that much. + +test_expect_success \ + 'diff-tree O A == diff-tree -R A O' \ + 'git-diff-tree $tree_O $tree_A >.test-a && + git-diff-tree -R $tree_A $tree_O >.test-b && + cmp -s .test-a .test-b' + +test_expect_success \ + 'diff-tree -r O A == diff-tree -r -R A O' \ + 'git-diff-tree -r $tree_O $tree_A >.test-a && + git-diff-tree -r -R $tree_A $tree_O >.test-b && + cmp -s .test-a .test-b' + +test_expect_success \ + 'diff-tree B A == diff-tree -R A B' \ + 'git-diff-tree $tree_B $tree_A >.test-a && + git-diff-tree -R $tree_A $tree_B >.test-b && + cmp -s .test-a .test-b' + +test_expect_success \ + 'diff-tree -r B A == diff-tree -r -R A B' \ + 'git-diff-tree -r $tree_B $tree_A >.test-a && + git-diff-tree -r -R $tree_A $tree_B >.test-b && + cmp -s .test-a .test-b' + +test_done -- 2.26.2