Add methods to get to parameters of quoted tweet.

lib/twitter/tweet.rb

@@ -20,9 +20,13 @@ class Tweet < Twitter::Identity
     object_attr_reader :Metadata, :metadata
     object_attr_reader :Place, :place
     object_attr_reader :Tweet, :retweeted_status
+    object_attr_reader :Tweet, :quoted_status
     alias_method :retweeted_tweet, :retweeted_status
     alias_method :retweet?, :retweeted_status?
     alias_method :retweeted_tweet?, :retweeted_status?
+    alias_method :quoted_tweet, :quoted_status
+    alias_method :quote?, :quoted_status?
+    alias_method :quoted_tweet?, :quoted_status?
     object_attr_reader :User, :user, :status
     predicate_attr_reader :favorited, :possibly_sensitive, :retweeted,
                           :truncated

spec/twitter/tweet_spec.rb

@@ -296,6 +296,40 @@
     end
   end
 
+  describe '#quote?' do
+    it 'returns true when there is a quoted status' do
+      tweet = Twitter::Tweet.new(:id => 28_669_546_014, :quoted_status => {:id => 540_897_316_908_331_009, :text => 'BOOSH'})
+      expect(tweet.quote?).to be true
+    end
+    it 'returns false when quoted_status is not set' do
+      tweet = Twitter::Tweet.new(:id => 28_669_546_014)
+      expect(tweet.quote?).to be false
+    end
+  end
+
+  describe '#quoted_status' do
+    it 'returns a Tweet when quoted_status is set' do
+      tweet = Twitter::Tweet.new(:id => 28_669_546_014, :quoted_status => {:id => 540_897_316_908_331_009, :text => 'BOOSH'})
+      expect(tweet.quoted_tweet).to be_a Twitter::Tweet
+      expect(tweet.quoted_tweet.text).to eq('BOOSH')
+    end
+    it 'returns nil when quoted_status is not set' do
+      tweet = Twitter::Tweet.new(:id => 28_669_546_014)
+      expect(tweet.quoted_tweet).to be_nil
+    end
+  end
+
+  describe '#quoted_status?' do
+    it 'returns true when quoted_status is set' do
+      tweet = Twitter::Tweet.new(:id => 28_669_546_014, :quoted_status => {:id => 540_897_316_908_331_009, :text => 'BOOSH'})
+      expect(tweet.quoted_status?).to be true
+    end
+    it 'returns false when quoted_status is not set' do
+      tweet = Twitter::Tweet.new(:id => 28_669_546_014)
+      expect(tweet.quoted_status?).to be false
+    end
+  end
+
   describe '#symbols' do
     it 'returns an array of Entity::Symbol when symbols are set' do
       symbols_array = [