diff --git a/spec/ext/active_record_spec.rb b/spec/ext/active_record_spec.rb
index 5b4a6ec..6b67ac3 100644
--- a/spec/ext/active_record_spec.rb
+++ b/spec/ext/active_record_spec.rb
@@ -53,6 +53,38 @@ RSpec.describe "AwesomePrint/ActiveRecord", skip: ->{ !ExtVerifier.has_rails? }.
               :name => "Laura",
               :rank => 2
     }
+]
+      EOS
+      if RUBY_VERSION < '1.9'
+        str.sub!('??', 'Sat Oct 10 12:30:00 UTC 1992')
+        str.sub!('?!', 'Mon May 26 14:15:00 UTC 2003')
+      else
+        str.sub!('??', '1992-10-10 12:30:00 UTC')
+        str.sub!('?!', '2003-05-26 14:15:00 UTC')
+      end
+      expect(out.gsub(/0x([a-f\d]+)/, "0x01234567")).to eq(str)
+    end
+
+    it "display multiple records on a relation" do
+      @diana.save
+      @laura.save
+      out = @ap.send(:awesome, User.all)
+      str = <<-EOS.strip
+[
+    [0] #<User:0x01234567> {
+             :admin => false,
+        :created_at => ??,
+                :id => 1,
+              :name => "Diana",
+              :rank => 1
+    },
+    [1] #<User:0x01234567> {
+             :admin => true,
+        :created_at => ?!,
+                :id => 2,
+              :name => "Laura",
+              :rank => 2
+    }
 ]
       EOS
       if RUBY_VERSION < '1.9'
diff --git a/spec/ext/nokogiri_spec.rb b/spec/ext/nokogiri_spec.rb
index 19623e0..466059b 100644
--- a/spec/ext/nokogiri_spec.rb
+++ b/spec/ext/nokogiri_spec.rb
@@ -42,4 +42,9 @@ RSpec.describe "AwesomePrint/Nokogiri" do
 \e[0m<\e[1;36m/html\e[0m>
     EOS
   end
+
+  it "handle empty NodeSet" do
+    xml = Nokogiri::XML::NodeSet.new(Nokogiri::XML(''))
+    expect(xml.ai).to eq('[]')
+  end
 end
diff --git a/spec/objects_spec.rb b/spec/objects_spec.rb
index ee7d241..cdbfa40 100644
--- a/spec/objects_spec.rb
+++ b/spec/objects_spec.rb
@@ -77,6 +77,50 @@ EOS
     attr_reader :abra = 1,
     attr_writer :ca = 2
 >
+EOS
+      expect(out.gsub(/0x([a-f\d]+)/, "0x01234567")).to eq(str)
+      expect(hello.ai(:plain => true, :raw => false)).to eq(hello.inspect)
+    end
+
+    it "without the plain options print the colorized values" do
+      class Hello
+        attr_reader   :abra
+        attr_writer   :ca
+
+        def initialize
+          @abra, @ca = 1, 2
+          @dabra = 3
+        end
+      end
+
+      hello = Hello.new
+      out = hello.ai(:raw => true)
+      str = <<-EOS.strip
+#<Hello:0x01234567
+    \e[0;36m@dabra\e[0m\e[0;37m = \e[0m\e[1;34m3\e[0m,
+    \e[1;36mattr_reader\e[0m \e[0;35m:abra\e[0m\e[0;37m = \e[0m\e[1;34m1\e[0m,
+    \e[1;36mattr_writer\e[0m \e[0;35m:ca\e[0m\e[0;37m = \e[0m\e[1;34m2\e[0m
+>
+EOS
+      expect(out.gsub(/0x([a-f\d]+)/, "0x01234567")).to eq(str)
+      expect(hello.ai(:plain => true, :raw => false)).to eq(hello.inspect)
+    end
+
+    it "with multine as false show inline values" do
+      class Hello
+        attr_reader   :abra
+        attr_writer   :ca
+
+        def initialize
+          @abra, @ca = 1, 2
+          @dabra = 3
+        end
+      end
+
+      hello = Hello.new
+      out = hello.ai(:multiline => false, :plain => true, :raw => true)
+      str = <<-EOS.strip
+#<Hello:0x01234567 @dabra = 3, attr_reader :abra = 1, attr_writer :ca = 2>
 EOS
       expect(out.gsub(/0x([a-f\d]+)/, "0x01234567")).to eq(str)
       expect(hello.ai(:plain => true, :raw => false)).to eq(hello.inspect)