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ruby--ruby/spec/ruby/core/string/sum_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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638 B
Ruby

require File.expand_path('../../../spec_helper', __FILE__)
require File.expand_path('../fixtures/classes.rb', __FILE__)
describe "String#sum" do
it "returns a basic n-bit checksum of the characters in self" do
"ruby".sum.should == 450
"ruby".sum(8).should == 194
"rubinius".sum(23).should == 881
end
it "tries to convert n to an integer using to_int" do
obj = mock('8')
obj.should_receive(:to_int).and_return(8)
"hello".sum(obj).should == "hello".sum(8)
end
it "returns sum of the bytes in self if n less or equal to zero" do
"xyz".sum(0).should == 363
"xyz".sum(-10).should == 363
end
end