+test_expect_success 'am --committer-date-is-author-date' '
+ git checkout first &&
+ test_tick &&
+ git am --committer-date-is-author-date patch1 &&
+ git cat-file commit HEAD | sed -e "/^$/q" >head1 &&
+ at=$(sed -ne "/^author /s/.*> //p" head1) &&
+ ct=$(sed -ne "/^committer /s/.*> //p" head1) &&
+ test "$at" = "$ct"
+'
+
+test_expect_success 'am without --committer-date-is-author-date' '
+ git checkout first &&
+ test_tick &&
+ git am patch1 &&
+ git cat-file commit HEAD | sed -e "/^$/q" >head1 &&
+ at=$(sed -ne "/^author /s/.*> //p" head1) &&
+ ct=$(sed -ne "/^committer /s/.*> //p" head1) &&
+ test "$at" != "$ct"
+'
+