1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
|
require File.expand_path('../../../spec_helper', __FILE__)
describe "Bignum#remainder" do
it "returns the remainder of dividing self by other" do
a = bignum_value(79)
a.remainder(2).should == 1
a.remainder(97.345).should be_close(46.5674996147722, TOLERANCE)
a.remainder(bignum_value).should == 79
end
it "raises a ZeroDivisionError if other is zero and not a Float" do
lambda { bignum_value(66).remainder(0) }.should raise_error(ZeroDivisionError)
end
ruby_version_is ""..."1.9" do
it "does NOT raise ZeroDivisionError if other is zero and is a Float" do
a = bignum_value(7)
b = bignum_value(32)
a.remainder(0.0).to_s.should == 'NaN'
b.remainder(-0.0).to_s.should == 'NaN'
end
end
ruby_version_is "1.9" do
it "does raises ZeroDivisionError if other is zero and a Float" do
a = bignum_value(7)
b = bignum_value(32)
lambda { a.remainder(0.0) }.should raise_error(ZeroDivisionError)
lambda { b.remainder(-0.0) }.should raise_error(ZeroDivisionError)
end
end
end
|