test_cmp expected actual1
'
+cat >trailers <<EOF
+Signed-off-by: A U Thor <author@example.com>
+Acked-by: A U Thor <author@example.com>
+[ v2 updated patch description ]
+Signed-off-by: A U Thor <author@example.com>
+EOF
+
+test_expect_success 'pretty format %(trailers) shows trailers' '
+ echo "Some contents" >trailerfile &&
+ git add trailerfile &&
+ git commit -F - <<-EOF &&
+ trailers: this commit message has trailers
+
+ This commit is a test commit with trailers at the end. We parse this
+ message and display the trailers using %bT
+
+ $(cat trailers)
+ EOF
+ git log --no-walk --pretty="%(trailers)" >actual &&
+ cat >expect <<-EOF &&
+ $(cat trailers)
+
+ EOF
+ test_cmp expect actual
+'
+
test_done