t7501: always use test_cmp instead of diff

diff --git a/t/t5100-mailinfo.sh b/t/t5100-mailinfo.sh
index d6c55c115779730fdef8d05fbdb039fe90e3fad7..198e3503d53c109e5090e213914ee23360c06902 100755 (executable)
--- a/t/t5100-mailinfo.sh
+++ b/t/t5100-mailinfo.sh
@@ -11,7 +11,7 @@ test_expect_success 'split sample box' \
        'git mailsplit -o. ../t5100/sample.mbox >last &&
        last=`cat last` &&
        echo total is $last &&
-       test `cat last` = 9'
+       test `cat last` = 11'
 
 for mail in `echo 00*`
 do
@@ -25,4 +25,33 @@ do
                diff ../t5100/info$mail info$mail"
 done
 
+test_expect_success 'respect NULs' '
+
+       git mailsplit -d3 -o. ../t5100/nul-plain &&
+       cmp ../t5100/nul-plain 001 &&
+       (cat 001 | git mailinfo msg patch) &&
+       test 4 = $(wc -l < patch)
+
+'
+
+test_expect_success 'Preserve NULs out of MIME encoded message' '
+
+       git mailsplit -d5 -o. ../t5100/nul-b64.in &&
+       cmp ../t5100/nul-b64.in 00001 &&
+       git mailinfo msg patch <00001 &&
+       cmp ../t5100/nul-b64.expect patch
+
+'
+
+test_expect_success 'mailinfo on from header without name works' '
+
+       mkdir info-from &&
+       git mailsplit -oinfo-from "$TEST_DIRECTORY"/t5100/info-from.in &&
+       test_cmp "$TEST_DIRECTORY"/t5100/info-from.in info-from/0001 &&
+       git mailinfo info-from/msg info-from/patch \
+         <info-from/0001 >info-from/out &&
+       test_cmp "$TEST_DIRECTORY"/t5100/info-from.expect info-from/out
+
+'
+
 test_done