diff options
Diffstat (limited to 'spec/ruby/core/regexp/named_captures_spec.rb')
-rw-r--r-- | spec/ruby/core/regexp/named_captures_spec.rb | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/spec/ruby/core/regexp/named_captures_spec.rb b/spec/ruby/core/regexp/named_captures_spec.rb new file mode 100644 index 0000000000..c495d00a35 --- /dev/null +++ b/spec/ruby/core/regexp/named_captures_spec.rb @@ -0,0 +1,35 @@ +require File.expand_path('../../../spec_helper', __FILE__) + +describe "Regexp#named_captures" do + it "returns a Hash" do + /foo/.named_captures.should be_an_instance_of(Hash) + end + + it "returns an empty Hash when there are no capture groups" do + /foo/.named_captures.should == {} + end + + it "sets the keys of the Hash to the names of the capture groups" do + rex = /this (?<is>is) [aA] (?<pat>pate?rn)/ + rex.named_captures.keys.should == ['is','pat'] + end + + it "sets the values of the Hash to Arrays" do + rex = /this (?<is>is) [aA] (?<pat>pate?rn)/ + rex.named_captures.values.each do |value| + value.should be_an_instance_of(Array) + end + end + + it "sets each element of the Array to the corresponding group's index" do + rex = /this (?<is>is) [aA] (?<pat>pate?rn)/ + rex.named_captures['is'].should == [1] + rex.named_captures['pat'].should == [2] + end + + it "works with duplicate capture group names" do + rex = /this (?<is>is) [aA] (?<pat>pate?(?<is>rn))/ + rex.named_captures['is'].should == [1,3] + rex.named_captures['pat'].should == [2] + end +end |