diff --git a/spec/plot_spec.rb b/spec/plot_spec.rb
index 240cc85..ddbed39 100644
--- a/spec/plot_spec.rb
+++ b/spec/plot_spec.rb
@@ -21,11 +21,15 @@
     context 'chart using DataFrame' do
       it { expect(plot_df).to be_a Daru::View::Plot }
       it { expect(plot_df.chart.class).to eq Nyaplot::Plot }
+      it { expect(plot_df.data).to eq df}
+      it { expect(plot_df.options).to eq type: :line, x: :a, y: :c}
     end
 
     context 'chart using Vector' do
       it { expect(plot_dv).to be_a Daru::View::Plot }
       it { expect(plot_dv.chart).to be_a Nyaplot::Plot }
+      it { expect(plot_dv.data).to eq dv}
+      it { expect(plot_dv.options).to eq type: :line}
     end
 
     context 'fails when other than DataFrame and Vector is as data' do
@@ -41,7 +45,19 @@
     context 'Highcharts library' do
       before { Daru::View.plotting_library = :highcharts }
       let(:lib) { Daru::View.plotting_library }
-      let(:plot_array) { Daru::View::Plot.new([1, 2, 3]) }
+      let(:df) do
+        Daru::DataFrame.new(
+          {
+            a: [1, 2, 3, 4, 5, 6],
+            b: [1, 5, 2, 5, 1, 0],
+            c: [1, 6, 7, 2, 6, 0]
+          }, index: 'a'..'f'
+        )
+      end
+      let(:dv) { Daru::Vector.new [1, 2, 3] }
+      let(:plot_df) { Daru::View::Plot.new(df, type: :line, x: :a, y: :c) }
+      let(:plot_dv) { Daru::View::Plot.new(dv, type: :line) }
+      let(:plot_array) { Daru::View::Plot.new([1, 2, 3], type: :line) }
       it 'check plotting library' do
         expect(lib).to eq(:highcharts)
       end
@@ -49,14 +65,22 @@
       it 'Highcharts chart using Array' do
         expect(plot_array).to be_a Daru::View::Plot
         expect(plot_array.chart).to be_a LazyHighCharts::HighChart
+        expect(plot_array.data).to eq [1, 2, 3]
+        expect(plot_array.options).to eq type: :line
       end
 
       it 'Highcharts chart using DataFrame' do
-        # todo
+        expect(plot_df).to be_a Daru::View::Plot
+        expect(plot_df.chart).to be_a LazyHighCharts::HighChart
+        expect(plot_df.data).to eq df
+        expect(plot_df.options).to eq type: :line, x: :a, y: :c
       end
 
       it 'Highcharts chart using Vector' do
-        # todo
+        expect(plot_dv).to be_a Daru::View::Plot
+        expect(plot_dv.chart).to be_a LazyHighCharts::HighChart
+        expect(plot_dv.data).to eq dv
+        expect(plot_dv.options).to eq type: :line
       end
     end
   end # initialize context end
@@ -67,8 +91,21 @@
     context 'Googlecharts library' do
       before { Daru::View.plotting_library = :googlecharts }
       let(:lib) { Daru::View.plotting_library }
+      let(:options) {{width: 800, height: 720}}
+      let(:df) do
+        Daru::DataFrame.new(
+          {
+            a: [1, 2, 3, 4, 5, 6],
+            b: [1, 5, 2, 5, 1, 0],
+            c: [1, 6, 7, 2, 6, 0]
+          }, index: 'a'..'f'
+        )
+      end
+      let(:dv) { Daru::Vector.new [1, 2, 3] }
+      let(:plot_df) { Daru::View::Plot.new(df, options) }
+      let(:plot_dv) { Daru::View::Plot.new(dv, options) }
       let(:plot_array) { Daru::View::Plot.new(
-        [['col1', 'col2', 'col3'],[1, 2, 3]]) }
+        [['col1', 'col2', 'col3'],[1, 2, 3]], options) }
       it 'check plotting library' do
         expect(lib).to eq(:googlecharts)
       end
@@ -76,14 +113,22 @@
       it 'Googlecharts chart using Array' do
         expect(plot_array).to be_a Daru::View::Plot
         expect(plot_array.chart).to be_a GoogleVisualr::Interactive::LineChart
+        expect(plot_array.data).to eq [[1, 2, 3]]
+        expect(plot_array.options).to eq options
       end
 
       it 'Googlecharts chart using DataFrame' do
-        # todo
+        expect(plot_df).to be_a Daru::View::Plot
+        expect(plot_df.chart).to be_a GoogleVisualr::Interactive::LineChart
+        expect(plot_df.data).to eq df
+        expect(plot_df.options).to eq options
       end
 
       it 'Googlecharts chart using Vector' do
-        # todo
+        expect(plot_dv).to be_a Daru::View::Plot
+        expect(plot_dv.chart).to be_a GoogleVisualr::Interactive::LineChart
+        expect(plot_dv.data).to eq dv
+        expect(plot_dv.options).to eq options
       end
     end
   end # initialize context end