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ruby--ruby/spec/ruby/core/bignum/minus_spec.rb
eregon 1d15d5f080 Move spec/rubyspec to spec/ruby for consistency
* Other ruby implementations use the spec/ruby directory.
  [Misc #13792] [ruby-core:82287]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59979 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2017-09-20 20:18:52 +00:00

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Ruby

require File.expand_path('../../../spec_helper', __FILE__)
describe "Bignum#-" do
before :each do
@bignum = bignum_value(314)
end
it "returns self minus the given Integer" do
(@bignum - 9).should == 9223372036854776113
(@bignum - 12.57).should be_close(9223372036854776109.43, TOLERANCE)
(@bignum - bignum_value(42)).should == 272
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