diff options
author | eregon <eregon@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2017-09-20 20:18:52 +0000 |
---|---|---|
committer | eregon <eregon@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2017-09-20 20:18:52 +0000 |
commit | c530d0faf064d561bf7755c55a34921572d343ef (patch) | |
tree | a3785a79899302bc149e4a6e72f624ac27dc1f10 /spec/ruby/library/bigdecimal/mode_spec.rb | |
parent | 77eb1c94ee74f11ebf347f0539d3949b2cf4e2b3 (diff) | |
download | ruby-c530d0faf064d561bf7755c55a34921572d343ef.tar.gz |
Move spec/rubyspec to spec/ruby for consistency
* Other ruby implementations use the spec/ruby directory.
[Misc #13792] [ruby-core:82287]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59979 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'spec/ruby/library/bigdecimal/mode_spec.rb')
-rw-r--r-- | spec/ruby/library/bigdecimal/mode_spec.rb | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/spec/ruby/library/bigdecimal/mode_spec.rb b/spec/ruby/library/bigdecimal/mode_spec.rb new file mode 100644 index 0000000000..d88ac61aaf --- /dev/null +++ b/spec/ruby/library/bigdecimal/mode_spec.rb @@ -0,0 +1,36 @@ +require File.expand_path('../../../spec_helper', __FILE__) +require 'bigdecimal' + +describe "BigDecimal.mode" do + #the default value of BigDecimal exception constants is false + after :each do + BigDecimal.mode(BigDecimal::EXCEPTION_NaN, false) + BigDecimal.mode(BigDecimal::EXCEPTION_INFINITY, false) + BigDecimal.mode(BigDecimal::EXCEPTION_UNDERFLOW, false) + BigDecimal.mode(BigDecimal::EXCEPTION_OVERFLOW, false) + BigDecimal.mode(BigDecimal::EXCEPTION_ZERODIVIDE, false) + end + + it "returns the appropriate value and continue the computation if the flag is false" do + BigDecimal("NaN").add(BigDecimal("1"),0).nan?.should == true + BigDecimal("0").add(BigDecimal("Infinity"),0).should == BigDecimal("Infinity") + BigDecimal("1").quo(BigDecimal("0")).should == BigDecimal("Infinity") + end + + it "returns Infinity when too big" do + BigDecimal("1E11111111111111111111").should == BigDecimal("Infinity") + (BigDecimal("1E1000000000000000000")**10).should == BigDecimal("Infinity") + end + + it "raise an exception if the flag is true" do + BigDecimal.mode(BigDecimal::EXCEPTION_NaN, true) + lambda { BigDecimal("NaN").add(BigDecimal("1"),0) }.should raise_error(FloatDomainError) + BigDecimal.mode(BigDecimal::EXCEPTION_INFINITY, true) + lambda { BigDecimal("0").add(BigDecimal("Infinity"),0) }.should raise_error(FloatDomainError) + BigDecimal.mode(BigDecimal::EXCEPTION_ZERODIVIDE, true) + lambda { BigDecimal("1").quo(BigDecimal("0")) }.should raise_error(FloatDomainError) + BigDecimal.mode(BigDecimal::EXCEPTION_OVERFLOW, true) + lambda { BigDecimal("1E11111111111111111111") }.should raise_error(FloatDomainError) + lambda { (BigDecimal("1E1000000000000000000")**10) }.should raise_error(FloatDomainError) + end +end |