diff options
Diffstat (limited to 'actionpack')
| -rw-r--r-- | actionpack/lib/action_view/helpers/number_helper.rb | 8 | ||||
| -rw-r--r-- | actionpack/test/template/number_helper_test.rb | 9 |
2 files changed, 15 insertions, 2 deletions
diff --git a/actionpack/lib/action_view/helpers/number_helper.rb b/actionpack/lib/action_view/helpers/number_helper.rb index 605e5d5873..01fecc0f23 100644 --- a/actionpack/lib/action_view/helpers/number_helper.rb +++ b/actionpack/lib/action_view/helpers/number_helper.rb @@ -273,8 +273,12 @@ module ActionView strip_insignificant_zeros = options.delete :strip_insignificant_zeros if significant and precision > 0 - digits = (Math.log10(number) + 1).floor - rounded_number = BigDecimal.new((number / 10 ** (digits - precision)).to_s).round.to_f * 10 ** (digits - precision) + if number == 0 + digits, rounded_number = 1, 0 + else + digits = (Math.log10(number) + 1).floor + rounded_number = BigDecimal.new((number / 10 ** (digits - precision)).to_s).round.to_f * 10 ** (digits - precision) + end precision = precision - digits precision = precision > 0 ? precision : 0 #don't let it be negative else diff --git a/actionpack/test/template/number_helper_test.rb b/actionpack/test/template/number_helper_test.rb index 50c57a5588..a21a1a68e4 100644 --- a/actionpack/test/template/number_helper_test.rb +++ b/actionpack/test/template/number_helper_test.rb @@ -102,6 +102,9 @@ class NumberHelperTest < ActionView::TestCase assert_equal("3268", number_with_precision((32.6751 * 100.00), :precision => 0)) assert_equal("112", number_with_precision(111.50, :precision => 0)) assert_equal("1234567892", number_with_precision(1234567891.50, :precision => 0)) + assert_equal("0", number_with_precision(0, :precision => 0)) + assert_equal("0.00100", number_with_precision(0.001, :precision => 5)) + assert_equal("0.001", number_with_precision(0.00111, :precision => 3)) end def test_number_with_precision_with_custom_delimiter_and_separator @@ -122,11 +125,17 @@ class NumberHelperTest < ActionView::TestCase assert_equal "53", number_with_precision(52.7923, :precision => 2, :significant => true ) assert_equal "9775.00", number_with_precision(9775, :precision => 6, :significant => true ) assert_equal "5.392900", number_with_precision(5.3929, :precision => 7, :significant => true ) + assert_equal "0.0", number_with_precision(0, :precision => 2, :significant => true ) + assert_equal "0", number_with_precision(0, :precision => 1, :significant => true ) + assert_equal "0.0001", number_with_precision(0.0001, :precision => 1, :significant => true ) + assert_equal "0.000100", number_with_precision(0.0001, :precision => 3, :significant => true ) + assert_equal "0.0001", number_with_precision(0.0001111, :precision => 1, :significant => true ) end def test_number_with_precision_with_strip_insignificant_zeros assert_equal "9775.43", number_with_precision(9775.43, :precision => 4, :strip_insignificant_zeros => true ) assert_equal "9775.2", number_with_precision(9775.2, :precision => 6, :significant => true, :strip_insignificant_zeros => true ) + assert_equal "0", number_with_precision(0, :precision => 6, :significant => true, :strip_insignificant_zeros => true ) end def test_number_with_precision_with_significant_true_and_zero_precision |