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* 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
45 lines
1.3 KiB
Ruby
45 lines
1.3 KiB
Ruby
require File.expand_path('../../../spec_helper', __FILE__)
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describe :rational_ceil, shared: true do
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before do
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@rational = Rational(2200, 7)
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end
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describe "with no arguments (precision = 0)" do
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it "returns an Integer" do
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@rational.ceil.should be_kind_of(Integer)
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end
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it "returns the truncated value toward positive infinity" do
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@rational.ceil.should == 315
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Rational(1, 2).ceil.should == 1
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Rational(-1, 2).ceil.should == 0
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end
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end
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describe "with a precision < 0" do
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it "returns an Integer" do
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@rational.ceil(-2).should be_kind_of(Integer)
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@rational.ceil(-1).should be_kind_of(Integer)
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end
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it "moves the truncation point n decimal places left" do
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@rational.ceil(-3).should == 1000
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@rational.ceil(-2).should == 400
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@rational.ceil(-1).should == 320
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end
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end
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describe "with precision > 0" do
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it "returns a Rational" do
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@rational.ceil(1).should be_kind_of(Rational)
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@rational.ceil(2).should be_kind_of(Rational)
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end
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it "moves the truncation point n decimal places right" do
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@rational.ceil(1).should == Rational(3143, 10)
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@rational.ceil(2).should == Rational(31429, 100)
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@rational.ceil(3).should == Rational(157143, 500)
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end
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end
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end
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