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* For easier modifications of ruby/spec by MRI developers. * .gitignore: track changes under spec. * spec/mspec, spec/rubyspec: add in-tree mspec and ruby/spec. These files can therefore be updated like any other file in MRI. Instructions are provided in spec/README. [Feature #13156] [ruby-core:79246] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@58595 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
22 lines
638 B
Ruby
22 lines
638 B
Ruby
require File.expand_path('../../../spec_helper', __FILE__)
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require File.expand_path('../fixtures/classes.rb', __FILE__)
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describe "String#sum" do
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it "returns a basic n-bit checksum of the characters in self" do
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"ruby".sum.should == 450
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"ruby".sum(8).should == 194
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"rubinius".sum(23).should == 881
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end
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it "tries to convert n to an integer using to_int" do
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obj = mock('8')
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obj.should_receive(:to_int).and_return(8)
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"hello".sum(obj).should == "hello".sum(8)
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end
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it "returns sum of the bytes in self if n less or equal to zero" do
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"xyz".sum(0).should == 363
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"xyz".sum(-10).should == 363
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end
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end
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