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28 lines
979 B
Ruby
28 lines
979 B
Ruby
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describe :bignum_divide, shared: true do
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before :each do
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@bignum = bignum_value(88)
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end
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it "returns self divided by other" do
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@bignum.send(@method, 4).should == 2305843009213693974
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@bignum.send(@method, bignum_value(2)).should be_close(1, TOLERANCE)
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(-(10**50)).send(@method, -(10**40 + 1)).should == 9999999999
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(10**50).send(@method, 10**40 + 1).should == 9999999999
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(-10**50).send(@method, 10**40 + 1).should == -10000000000
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(10**50).send(@method, -(10**40 + 1)).should == -10000000000
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end
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it "raises a ZeroDivisionError if other is zero and not a Float" do
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lambda { @bignum.send(@method, 0) }.should raise_error(ZeroDivisionError)
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end
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it "raises a TypeError when given a non-Integer" do
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lambda { @bignum.send(@method, mock('10')) }.should raise_error(TypeError)
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lambda { @bignum.send(@method, "2") }.should raise_error(TypeError)
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lambda { @bignum.send(@method, :symbol) }.should raise_error(TypeError)
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end
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end
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