mirror of
https://github.com/ruby/ruby.git
synced 2022-11-09 12:17:21 -05:00
28 lines
868 B
Ruby
28 lines
868 B
Ruby
|
require File.expand_path('../../../spec_helper', __FILE__)
|
||
|
|
|
||
|
|
describe "Fixnum#*" do
|
||
|
|
it "returns self multiplied by the given Integer" do
|
||
|
|
(4923 * 2).should == 9846
|
||
|
|
(1342177 * 800).should == 1073741600
|
||
|
|
(65536 * 65536).should == 4294967296
|
||
|
|
|
||
|
|
(256 * bignum_value).should == 2361183241434822606848
|
||
|
|
(6712 * 0.25).should == 1678.0
|
||
|
|
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 * obj
|
||
|
|
}.should raise_error(TypeError)
|
||
|
|
lambda { 13 * "10" }.should raise_error(TypeError)
|
||
|
|
lambda { 13 * :symbol }.should raise_error(TypeError)
|
||
|
|
end
|
||
|
|
|
||
|
|
it "overflows to Bignum when the result does not fit in Fixnum" do
|
||
|
|
(fixnum_max * fixnum_max).should be_kind_of(Bignum)
|
||
|
|
(fixnum_max * fixnum_min).should be_kind_of(Bignum)
|
||
|
|
end
|
||
|
|
|
||
|
|
end
|