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describe :fixnum_modulo, :shared => true do
it "returns the modulus obtained from dividing self by the given argument" do
13.send(@method, 4).should == 1
4.send(@method, 13).should == 4
13.send(@method, 4.0).should == 1
4.send(@method, 13.0).should == 4
(-200).send(@method, 256).should == 56
(-1000).send(@method, 512).should == 24
(-200).send(@method, -256).should == -200
(-1000).send(@method, -512).should == -488
(200).send(@method, -256).should == -56
(1000).send(@method, -512).should == -24
1.send(@method, 2.0).should == 1.0
200.send(@method, bignum_value).should == 200
end
it "raises a ZeroDivisionError when the given argument is 0" do
lambda { 13.send(@method, 0) }.should raise_error(ZeroDivisionError)
lambda { 0.send(@method, 0) }.should raise_error(ZeroDivisionError)
lambda { -10.send(@method, 0) }.should raise_error(ZeroDivisionError)
end
ruby_version_is ""..."1.9" do
it "does not raise a FloatDomainError when the given argument is 0 and a Float" do
0.send(@method, 0.0).to_s.should == "NaN"
10.send(@method, 0.0).to_s.should == "NaN"
-10.send(@method, 0.0).to_s.should == "NaN"
end
end
ruby_version_is "1.9" do
it "raises a ZeroDivisionError when the given argument is 0 and a Float" do
lambda { 0.send(@method, 0.0) }.should raise_error(ZeroDivisionError)
lambda { 10.send(@method, 0.0) }.should raise_error(ZeroDivisionError)
lambda { -10.send(@method, 0.0) }.should raise_error(ZeroDivisionError)
end
end
it "raises a TypeError when given a non-Integer" do
lambda {
(obj = mock('10')).should_receive(:to_int).any_number_of_times.and_return(10)
13.send(@method, obj)
}.should raise_error(TypeError)
lambda { 13.send(@method, "10") }.should raise_error(TypeError)
lambda { 13.send(@method, :symbol) }.should raise_error(TypeError)
end
end
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