1 files changed, 37 insertions, 0 deletions
diff --git a/test/color_spec.rb b/test/color_spec.rb
new file mode 100644
index 0000000..ed23712
--- /dev/null
+++ b/test/color_spec.rb
@@ -0,0 +1,37 @@
+require 'ruby2d'
+
+RSpec.describe Ruby2D::Color do
+  
+  describe '#is_valid?' do
+    it 'determines if a color string is valid' do
+      expect(Ruby2D::Color.is_valid? 'red').to eq true
+      expect(Ruby2D::Color.is_valid? 'balloons').to eq false
+    end
+
+    it 'determines if a color string is valid hex value: # follow by 6 letters/numbers' do
+      expect(Ruby2D::Color.is_valid? '#c0c0c0').to eq true
+      expect(Ruby2D::Color.is_valid? '#00000').to eq false
+      expect(Ruby2D::Color.is_valid? '123456').to eq false
+    end
+    
+    it 'determines if an array is a valid color' do
+      expect(Ruby2D::Color.is_valid? [1.0, 0, 0, 1.0]).to eq true
+      expect(Ruby2D::Color.is_valid? [1.0, 0, 0]).to eq false
+    end
+    
+    it 'prevents allow color values out of range' do
+      expect(Ruby2D::Color.is_valid? [1.0, 0, 0.0, 255]).to eq true
+      expect(Ruby2D::Color.is_valid? [1.2, 0, 0, 0]).to eq false
+      expect(Ruby2D::Color.is_valid? [-0.1, 0, 0, 0]).to eq false
+      expect(Ruby2D::Color.is_valid? [255, 255, 256, 255]).to eq false
+      expect(Ruby2D::Color.is_valid? [-1, 0, 127, 255]).to eq false
+    end
+  end
+  
+  describe '#new' do
+    it 'raises error on bad color' do
+      expect { Ruby2D::Color.new 42 }.to raise_error Ruby2D::Error
+    end
+  end
+  
+end