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require File.expand_path('../../../spec_helper', __FILE__)
describe "Bignum#*" do
before :each do
@bignum = bignum_value(772)
end
it "returns self multiplied by the given Integer" do
(@bignum * (1/bignum_value(0xffff).to_f)).should be_close(1.0, TOLERANCE)
(@bignum * (1/bignum_value(0xffff).to_f)).should be_close(1.0, TOLERANCE)
(@bignum * 10).should == 92233720368547765800
(@bignum * (@bignum - 40)).should == 85070591730234629737795195287525433200
end
it "raises a TypeError when given a non-Integer" do
lambda { @bignum * mock('10') }.should raise_error(TypeError)
lambda { @bignum * "10" }.should raise_error(TypeError)
lambda { @bignum * :symbol }.should raise_error(TypeError)
end
end
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