diff options
Diffstat (limited to 'spec/ruby/core/matchdata/pre_match_spec.rb')
-rw-r--r-- | spec/ruby/core/matchdata/pre_match_spec.rb | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/spec/ruby/core/matchdata/pre_match_spec.rb b/spec/ruby/core/matchdata/pre_match_spec.rb new file mode 100644 index 0000000000..1f1f9daec6 --- /dev/null +++ b/spec/ruby/core/matchdata/pre_match_spec.rb @@ -0,0 +1,36 @@ +require File.expand_path('../../../spec_helper', __FILE__) + +describe "MatchData#pre_match" do + it "returns the string before the match, equiv. special var $`" do + /(.)(.)(\d+)(\d)/.match("THX1138: The Movie").pre_match.should == 'T' + $`.should == 'T' + end + + it "keeps taint status from the source string" do + str = "THX1138: The Movie" + str.taint + res = /(.)(.)(\d+)(\d)/.match(str).pre_match + res.tainted?.should be_true + $`.tainted?.should be_true + end + + it "keeps untrusted status from the source string" do + str = "THX1138: The Movie" + str.untrust + res = /(.)(.)(\d+)(\d)/.match(str).pre_match + res.untrusted?.should be_true + $`.untrusted?.should be_true + end + + with_feature :encoding do + it "sets the encoding to the encoding of the source String" do + str = "abc".force_encoding Encoding::EUC_JP + str.match(/b/).pre_match.encoding.should equal(Encoding::EUC_JP) + end + + it "sets an empty result to the encoding of the source String" do + str = "abc".force_encoding Encoding::ISO_8859_1 + str.match(/a/).pre_match.encoding.should equal(Encoding::ISO_8859_1) + end + end +end |