diff options
Diffstat (limited to 'spec/ruby/library/bigdecimal/limit_spec.rb')
| -rw-r--r-- | spec/ruby/library/bigdecimal/limit_spec.rb | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/spec/ruby/library/bigdecimal/limit_spec.rb b/spec/ruby/library/bigdecimal/limit_spec.rb new file mode 100644 index 0000000000..41308abcd8 --- /dev/null +++ b/spec/ruby/library/bigdecimal/limit_spec.rb @@ -0,0 +1,30 @@ +require File.expand_path('../../../spec_helper', __FILE__) +require File.expand_path('../fixtures/classes', __FILE__) +require 'bigdecimal' + +describe "BigDecimal.limit" do + it "returns the value before set if the passed argument is nil or is not specified" do + old = BigDecimal.limit + BigDecimal.limit.should == 0 + BigDecimal.limit(10).should == 0 + BigDecimal.limit.should == 10 + BigDecimal.limit(old) + end + + it "use the global limit if no precision is specified" do + BigDecimalSpecs.with_limit(0) do + (BigDecimal('0.888') + BigDecimal('0')).should == BigDecimal('0.888') + (BigDecimal('0.888') * BigDecimal('3')).should == BigDecimal('2.664') + end + + BigDecimalSpecs.with_limit(1) do + (BigDecimal('0.888') + BigDecimal('0')).should == BigDecimal('0.9') + (BigDecimal('0.888') * BigDecimal('3')).should == BigDecimal('3') + end + + BigDecimalSpecs.with_limit(2) do + (BigDecimal('0.888') + BigDecimal('0')).should == BigDecimal('0.89') + (BigDecimal('0.888') * BigDecimal('3')).should == BigDecimal('2.7') + end + end +end |