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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
19 lines
615 B
Ruby
19 lines
615 B
Ruby
require File.expand_path('../../../spec_helper', __FILE__)
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describe "Bignum#-" do
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before :each do
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@bignum = bignum_value(314)
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end
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it "returns self minus the given Integer" do
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(@bignum - 9).should == 9223372036854776113
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(@bignum - 12.57).should be_close(9223372036854776109.43, TOLERANCE)
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(@bignum - bignum_value(42)).should == 272
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end
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it "raises a TypeError when given a non-Integer" do
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lambda { @bignum - mock('10') }.should raise_error(TypeError)
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lambda { @bignum - "10" }.should raise_error(TypeError)
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lambda { @bignum - :symbol }.should raise_error(TypeError)
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end
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end
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