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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62656 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
9 lines
239 B
Ruby
9 lines
239 B
Ruby
require_relative '../../spec_helper'
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describe "Float#nan?" do
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it "returns true if self is not a valid IEEE floating-point number" do
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0.0.nan?.should == false
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-1.5.nan?.should == false
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nan_value.nan?.should == true
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end
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end
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