diff options
Diffstat (limited to 'spec/ruby/core/float/finite_spec.rb')
-rw-r--r-- | spec/ruby/core/float/finite_spec.rb | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/spec/ruby/core/float/finite_spec.rb b/spec/ruby/core/float/finite_spec.rb new file mode 100644 index 0000000000..d6a161d4e3 --- /dev/null +++ b/spec/ruby/core/float/finite_spec.rb @@ -0,0 +1,19 @@ +require File.expand_path('../../../spec_helper', __FILE__) + +describe "Float#finite?" do + it "returns true for finite values" do + 3.14159.finite?.should == true + end + + it "returns false for positive infinity" do + infinity_value.finite?.should == false + end + + it "returns false for negative infinity" do + (-infinity_value).finite?.should == false + end + + it "returns false for NaN" do + nan_value.finite?.should == false + end +end |