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Diffstat (limited to 'spec/ruby/core/float/shared/arg.rb')
-rw-r--r-- | spec/ruby/core/float/shared/arg.rb | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/spec/ruby/core/float/shared/arg.rb b/spec/ruby/core/float/shared/arg.rb new file mode 100644 index 0000000000..136cf19ec8 --- /dev/null +++ b/spec/ruby/core/float/shared/arg.rb @@ -0,0 +1,36 @@ +describe :float_arg, shared: true do + it "returns NaN if NaN" do + f = nan_value + f.send(@method).nan?.should be_true + end + + it "returns self if NaN" do + f = nan_value + f.send(@method).should equal(f) + end + + it "returns 0 if positive" do + 1.0.send(@method).should == 0 + end + + it "returns 0 if +0.0" do + 0.0.send(@method).should == 0 + end + + it "returns 0 if +Infinity" do + infinity_value.send(@method).should == 0 + end + + it "returns Pi if negative" do + (-1.0).send(@method).should == Math::PI + end + + # This was established in r23960 + it "returns Pi if -0.0" do + (-0.0).send(@method).should == Math::PI + end + + it "returns Pi if -Infinity" do + (-infinity_value).send(@method).should == Math::PI + end +end |