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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
43 lines
1.5 KiB
Ruby
43 lines
1.5 KiB
Ruby
require File.expand_path('../../../spec_helper', __FILE__)
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describe "Float#divmod" do
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it "returns an [quotient, modulus] from dividing self by other" do
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values = 3.14.divmod(2)
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values[0].should eql(1)
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values[1].should be_close(1.14, TOLERANCE)
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values = 2.8284.divmod(3.1415)
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values[0].should eql(0)
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values[1].should be_close(2.8284, TOLERANCE)
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values = -1.0.divmod(bignum_value)
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values[0].should eql(-1)
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values[1].should be_close(9223372036854775808.000, TOLERANCE)
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values = -1.0.divmod(1)
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values[0].should eql(-1)
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values[1].should eql(0.0)
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end
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# Behaviour established as correct in r23953
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it "raises a FloatDomainError if self is NaN" do
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lambda { nan_value.divmod(1) }.should raise_error(FloatDomainError)
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end
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# Behaviour established as correct in r23953
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it "raises a FloatDomainError if other is NaN" do
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lambda { 1.divmod(nan_value) }.should raise_error(FloatDomainError)
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end
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# Behaviour established as correct in r23953
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it "raises a FloatDomainError if self is Infinity" do
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lambda { infinity_value.divmod(1) }.should raise_error(FloatDomainError)
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end
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it "raises a ZeroDivisionError if other is zero" do
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lambda { 1.0.divmod(0) }.should raise_error(ZeroDivisionError)
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lambda { 1.0.divmod(0.0) }.should raise_error(ZeroDivisionError)
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end
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# redmine #5276"
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it "returns the correct [quotient, modulus] even for large quotient" do
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0.59.divmod(7.761021455128987e-11).first.should eql(7602092113)
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end
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end
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