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* For easier modifications of ruby/spec by MRI developers. * .gitignore: track changes under spec. * spec/mspec, spec/rubyspec: add in-tree mspec and ruby/spec. These files can therefore be updated like any other file in MRI. Instructions are provided in spec/README. [Feature #13156] [ruby-core:79246] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@58595 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
38 lines
810 B
Ruby
38 lines
810 B
Ruby
require File.expand_path('../../../../spec_helper', __FILE__)
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describe :float_arg, shared: true do
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it "returns NaN if NaN" do
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f = nan_value
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f.send(@method).nan?.should be_true
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end
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it "returns self if NaN" do
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f = nan_value
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f.send(@method).should equal(f)
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end
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it "returns 0 if positive" do
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1.0.send(@method).should == 0
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end
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it "returns 0 if +0.0" do
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0.0.send(@method).should == 0
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end
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it "returns 0 if +Infinity" do
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infinity_value.send(@method).should == 0
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end
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it "returns Pi if negative" do
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(-1.0).send(@method).should == Math::PI
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end
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# This was established in r23960
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it "returns Pi if -0.0" do
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(-0.0).send(@method).should == Math::PI
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end
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it "returns Pi if -Infinity" do
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(-infinity_value).send(@method).should == Math::PI
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end
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end
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