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1d15d5f080
* 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
55 lines
1.9 KiB
Ruby
55 lines
1.9 KiB
Ruby
require File.expand_path('../../../spec_helper', __FILE__)
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require File.expand_path('../fixtures/classes', __FILE__)
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require File.expand_path('../shared/quo', __FILE__)
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describe "Numeric#quo" do
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it "returns the result of self divided by the given Integer as a Rational" do
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5.quo(2).should eql(Rational(5,2))
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end
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it "returns the result of self divided by the given Float as a Float" do
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2.quo(2.5).should eql(0.8)
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end
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it "returns the result of self divided by the given Bignum as a Float" do
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45.quo(bignum_value).should be_close(1.04773789668636e-08, TOLERANCE)
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end
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it "raises a ZeroDivisionError when the given Integer is 0" do
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lambda { 0.quo(0) }.should raise_error(ZeroDivisionError)
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lambda { 10.quo(0) }.should raise_error(ZeroDivisionError)
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lambda { -10.quo(0) }.should raise_error(ZeroDivisionError)
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lambda { bignum_value.quo(0) }.should raise_error(ZeroDivisionError)
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lambda { -bignum_value.quo(0) }.should raise_error(ZeroDivisionError)
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end
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it "calls #to_r to convert the object to a Rational" do
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obj = NumericSpecs::Subclass.new
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obj.should_receive(:to_r).and_return(Rational(1))
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obj.quo(19).should == Rational(1, 19)
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end
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it "raises a TypeError of #to_r does not return a Rational" do
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obj = NumericSpecs::Subclass.new
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obj.should_receive(:to_r).and_return(1)
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lambda { obj.quo(19) }.should raise_error(TypeError)
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end
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it "raises a TypeError when given a non-Integer" do
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lambda {
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(obj = mock('x')).should_not_receive(:to_int)
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13.quo(obj)
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}.should raise_error(TypeError)
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lambda { 13.quo("10") }.should raise_error(TypeError)
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lambda { 13.quo(:symbol) }.should raise_error(TypeError)
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end
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it "returns the result of calling self#/ with other" do
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obj = NumericSpecs::Subclass.new
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obj.should_receive(:to_r).and_return(19.quo(20))
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obj.quo(19).should == 1.quo(20)
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end
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end
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