}
test_expect_success setup '
+ cat >contacts <<-\EOF &&
+ A U Thor <author@example.com>
+ nick1 <bugs@company.xx>
+ EOF
+
echo one >one &&
git add one &&
test_tick &&
git commit --author "nick1 <bugs@company.xx>" -m second
'
+test_expect_success 'check-mailmap no arguments' '
+ test_must_fail git check-mailmap
+'
+
+test_expect_success 'check-mailmap arguments' '
+ cat >expect <<-\EOF &&
+ A U Thor <author@example.com>
+ nick1 <bugs@company.xx>
+ EOF
+ git check-mailmap \
+ "A U Thor <author@example.com>" \
+ "nick1 <bugs@company.xx>" >actual &&
+ test_cmp expect actual
+'
+
+test_expect_success 'check-mailmap --stdin' '
+ cat >expect <<-\EOF &&
+ A U Thor <author@example.com>
+ nick1 <bugs@company.xx>
+ EOF
+ git check-mailmap --stdin <contacts >actual &&
+ test_cmp expect actual
+'
+
+test_expect_success 'check-mailmap --stdin arguments' '
+ cat >expect <<-\EOF &&
+ Internal Guy <bugs@company.xy>
+ EOF
+ cat <contacts >>expect &&
+ git check-mailmap --stdin "Internal Guy <bugs@company.xy>" \
+ <contacts >actual &&
+ test_cmp expect actual
+'
+
+test_expect_success 'check-mailmap bogus contact' '
+ test_must_fail git check-mailmap bogus
+'
+
cat >expect <<\EOF
A U Thor (1):
initial
rm -f .mailmap
'
+test_expect_success 'single-character name' '
+ echo " 1 A <author@example.com>" >expect &&
+ echo " 1 nick1 <bugs@company.xx>" >>expect &&
+ echo "A <author@example.com>" >.mailmap &&
+ test_when_finished "rm .mailmap" &&
+ git shortlog -es HEAD >actual &&
+ test_cmp expect actual
+'
+
+test_expect_success 'preserve canonical email case' '
+ echo " 1 A U Thor <AUTHOR@example.com>" >expect &&
+ echo " 1 nick1 <bugs@company.xx>" >>expect &&
+ echo "<AUTHOR@example.com> <author@example.com>" >.mailmap &&
+ test_when_finished "rm .mailmap" &&
+ git shortlog -es HEAD >actual &&
+ test_cmp expect actual
+'
+
# Extended mailmap configurations should give us the following output for shortlog
cat >expect <<\EOF
A U Thor <author@example.com> (1):