From 9e997e9039435617b6a844158f5437e97f6bc107 Mon Sep 17 00:00:00 2001 From: Kenta Murata & Akira Matsuda Date: Fri, 20 Dec 2013 15:35:13 +0900 Subject: Fix AS::NumberHelper results with large precisions before: ActiveSupport::NumberHelper.number_to_rounded '3.14159', precision: 50 => "3.14158999999999988261834005243144929409027099609375" after: ActiveSupport::NumberHelper.number_to_rounded '3.14159', precision: 50 => "3.14159000000000000000000000000000000000000000000000" --- activesupport/test/number_helper_test.rb | 14 ++++++++++++++ 1 file changed, 14 insertions(+) (limited to 'activesupport/test') diff --git a/activesupport/test/number_helper_test.rb b/activesupport/test/number_helper_test.rb index 111db59b2b..6d8d835de7 100644 --- a/activesupport/test/number_helper_test.rb +++ b/activesupport/test/number_helper_test.rb @@ -123,6 +123,12 @@ module ActiveSupport assert_equal("10.00", number_helper.number_to_rounded(9.995, :precision => 2)) assert_equal("11.00", number_helper.number_to_rounded(10.995, :precision => 2)) assert_equal("0.00", number_helper.number_to_rounded(-0.001, :precision => 2)) + + assert_equal("111.23460000000000000000", number_helper.number_to_rounded(111.2346, :precision => 20)) + assert_equal("111.23460000000000000000", number_helper.number_to_rounded(Rational(1112346, 10000), :precision => 20)) + assert_equal("111.23460000000000000000", number_helper.number_to_rounded('111.2346', :precision => 20)) + assert_equal("111.23460000000000000000", number_helper.number_to_rounded(BigDecimal(111.2346, Float::DIG), :precision => 20)) + assert_equal("111.2346" + "0"*96, number_helper.number_to_rounded('111.2346', :precision => 100)) end end @@ -155,6 +161,14 @@ module ActiveSupport assert_equal "10.0", number_helper.number_to_rounded(9.995, :precision => 3, :significant => true) assert_equal "9.99", number_helper.number_to_rounded(9.994, :precision => 3, :significant => true) assert_equal "11.0", number_helper.number_to_rounded(10.995, :precision => 3, :significant => true) + + assert_equal "9775.0000000000000000", number_helper.number_to_rounded(9775, :precision => 20, :significant => true ) + assert_equal "9775.0000000000000000", number_helper.number_to_rounded(9775.0, :precision => 20, :significant => true ) + assert_equal "9775.0000000000000000", number_helper.number_to_rounded(Rational(9775, 1), :precision => 20, :significant => true ) + assert_equal "97.750000000000000000", number_helper.number_to_rounded(Rational(9775, 100), :precision => 20, :significant => true ) + assert_equal "9775.0000000000000000", number_helper.number_to_rounded(BigDecimal(9775), :precision => 20, :significant => true ) + assert_equal "9775.0000000000000000", number_helper.number_to_rounded("9775", :precision => 20, :significant => true ) + assert_equal "9775." + "0"*96, number_helper.number_to_rounded("9775", :precision => 100, :significant => true ) end end -- cgit v1.2.3