diff options
Diffstat (limited to 'activesupport/test/core_ext/float_ext_test.rb')
| -rw-r--r-- | activesupport/test/core_ext/float_ext_test.rb | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/activesupport/test/core_ext/float_ext_test.rb b/activesupport/test/core_ext/float_ext_test.rb new file mode 100644 index 0000000000..b74add519f --- /dev/null +++ b/activesupport/test/core_ext/float_ext_test.rb @@ -0,0 +1,25 @@ +require File.dirname(__FILE__) + '/../abstract_unit' + +class FloatExtRoundingTests < Test::Unit::TestCase + def test_round_for_positive_number + assert_equal 1, 1.4.round + assert_equal 2, 1.6.round + assert_equal 2, 1.6.round(0) + assert_equal 1.4, 1.4.round(1) + assert_equal 1.4, 1.4.round(3) + assert_equal 1.5, 1.45.round(1) + assert_equal 1.45, 1.445.round(2) + end + + def test_round_for_negative_number + assert_equal( -1, -1.4.round ) + assert_equal( -2, -1.6.round ) + assert_equal( -1.4, -1.4.round(1) ) + assert_equal( -1.5, -1.45.round(1) ) + end + + def test_round_with_negative_precision + assert_equal 123460.0, 123456.0.round(-1) + assert_equal 123500.0, 123456.0.round(-2) + end +end |