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Contents
require File.expand_path('../../../spec_helper', __FILE__)
describe "Bignum#quo" do
before(:each) do
@bignum = bignum_value(3)
end
it "returns the result of self divided by the given Integer as a Float" do
@bignum.quo(0xffff_afed.to_f).should be_close(2147493897.54892, TOLERANCE)
@bignum.quo(0xabcd_effe).should be_close(3199892875.41007, TOLERANCE)
@bignum.quo(bignum_value).should be_close(1.00000000279397, TOLERANCE)
end
conflicts_with :Rational do
ruby_version_is ""..."1.9" do
it "does not raise a ZeroDivisionError when the given Integer is 0" do
@bignum.quo(0).to_s.should == "Infinity"
(-@bignum).quo(0).to_s.should == "-Infinity"
end
end
end
ruby_version_is "1.9" do
it "raises a ZeroDivisionError when the given Integer is 0" do
lambda { @bignum.quo(0) }.should raise_error(ZeroDivisionError)
lambda { -@bignum.quo(0) }.should raise_error(ZeroDivisionError)
end
end
it "does not raise a FloatDomainError when the given argument is 0 and a Float" do
@bignum.quo(0.0).to_s.should == "Infinity"
(-@bignum).quo(0.0).to_s.should == "-Infinity"
end
conflicts_with :Rational do
it "raises a TypeError when given a non-Integer" do
lambda {
(obj = mock('to_int')).should_not_receive(:to_int)
@bignum.quo(obj)
}.should raise_error(TypeError)
lambda { @bignum.quo("10") }.should raise_error(TypeError)
lambda { @bignum.quo(:symbol) }.should raise_error(TypeError)
end
end
end
Version data entries
52 entries across 52 versions & 2 rubygems