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ruby--ruby/spec/rubyspec/library/stringscanner/dup_spec.rb
eregon 95e8c48dd3 Add in-tree mspec and ruby/spec
* 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
2017-05-07 12:04:49 +00:00

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829 B
Ruby

require File.expand_path('../../../spec_helper', __FILE__)
require 'strscan'
describe "StringScanner#dup" do
before :each do
@string = "this is a test"
@orig_s = StringScanner.new(@string)
end
it "copies the passed StringScanner's content to self" do
s = @orig_s.dup
s.string.should == @string
end
it "copies the passed StringSCanner's position to self" do
@orig_s.pos = 5
s = @orig_s.dup
s.pos.should eql(5)
end
it "copies previous match state" do
@orig_s.scan(/\w+/)
@orig_s.scan(/\s/)
@orig_s.pre_match.should == "this"
s = @orig_s.dup
s.pre_match.should == "this"
s.unscan
s.scan(/\s/).should == " "
end
it "copies the passed StringScanner scan pointer to self" do
@orig_s.terminate
s = @orig_s.dup
s.eos?.should be_true
end
end