mirror of
https://github.com/ruby/ruby.git
synced 2022-11-09 12:17:21 -05:00
21 lines
741 B
Ruby
21 lines
741 B
Ruby
|
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
|