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require File.expand_path('../../../spec_helper', __FILE__)
require File.expand_path('../fixtures/classes', __FILE__)
require File.expand_path('../shared/quo', __FILE__)
describe "Numeric#quo" do
ruby_version_is ""..."1.9" do
it_behaves_like :numeric_quo_18, :quo
end
ruby_version_is "1.9" do
it "returns the result of self divided by the given Integer as a Rational" do
5.quo(2).should eql(Rational(5,2))
end
it "returns the result of self divided by the given Float as a Float" do
2.quo(2.5).should eql(0.8)
end
it "returns the result of self divided by the given Bignum as a Float" do
45.quo(bignum_value).should be_close(1.04773789668636e-08, TOLERANCE)
end
it "raises a ZeroDivisionError when the given Integer is 0" do
lambda { 0.quo(0) }.should raise_error(ZeroDivisionError)
lambda { 10.quo(0) }.should raise_error(ZeroDivisionError)
lambda { -10.quo(0) }.should raise_error(ZeroDivisionError)
lambda { bignum_value.quo(0) }.should raise_error(ZeroDivisionError)
lambda { -bignum_value.quo(0) }.should raise_error(ZeroDivisionError)
end
it "returns the result of calling self#/ with other" do
obj = NumericSpecs::Subclass.new
obj.should_receive(:coerce).twice.and_return([19,19])
obj.should_receive(:<=>).any_number_of_times.and_return(1)
obj.should_receive(:/).and_return(20)
obj.quo(19).should == 20
end
it "raises a TypeError when given a non-Integer" do
lambda {
(obj = mock('x')).should_not_receive(:to_int)
13.quo(obj)
}.should raise_error(TypeError)
lambda { 13.quo("10") }.should raise_error(TypeError)
lambda { 13.quo(:symbol) }.should raise_error(TypeError)
end
end
end
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