1 files changed, 8 insertions, 4 deletions
diff --git a/activesupport/test/core_ext/bigdecimal_test.rb b/activesupport/test/core_ext/bigdecimal_test.rb
index 423a3f2e9d..62588be33b 100644
--- a/activesupport/test/core_ext/bigdecimal_test.rb
+++ b/activesupport/test/core_ext/bigdecimal_test.rb
@@ -1,9 +1,13 @@
-require 'abstract_unit'
-require 'active_support/core_ext/big_decimal'
+# frozen_string_literal: true
+
+require "abstract_unit"
+require "active_support/core_ext/big_decimal"
 
 class BigDecimalTest < ActiveSupport::TestCase
   def test_to_s
-    bd = BigDecimal.new '0.01'
-    assert_equal '0.01', bd.to_s
+    bd = BigDecimal "0.01"
+    assert_equal "0.01", bd.to_s
+    assert_equal "+0.01", bd.to_s("+F")
+    assert_equal "+0.0 1", bd.to_s("+1F")
   end
 end