Add tests, support returning a boolean also

Author: TeaSeaLancs

lib/sassc/script/value_conversion.rb

@@ -56,6 +56,8 @@ def self.to_native(value)
           Number.new(value).to_native
         when "Map"
           Map.new(value).to_native
+        when "Bool"
+          Bool.new(value).to_native
         else
           raise UnsupportedValue.new("Sass return type #{value_name} unsupported")
         end

test/functions_test.rb

@@ -80,6 +80,22 @@ def test_function_that_takes_a_number
       CSS
     end
 
+    def test_function_that_returns_a_bool
+      assert_sass <<-SCSS, <<-CSS
+        div { width: returns-a-bool(); }
+      SCSS
+        div { width: true; }
+      CSS
+    end
+
+    def test_function_that_takes_a_bool
+      assert_sass <<-SCSS, <<-CSS
+        div { display: inspect-bool(true)}
+      SCSS
+        div { display: true; }
+      CSS
+    end
+
     def test_function_with_optional_arguments
       assert_sass <<-SCSS, <<-EXPECTED_CSS
         div {
@@ -199,6 +215,15 @@ def returns_a_number
         return Sass::Script::Value::Number.new(-312,'rem')
       end
 
+      def returns_a_bool
+        return Sass::Script::Value::Bool.new(true)
+      end
+
+      def inspect_bool ( argument )
+        raise StandardError.new "passed value is not a Sass::Script::Value::Bool" unless argument.is_a? Sass::Script::Value::Bool
+        return argument
+      end
+
       def inspect_number ( argument )
         raise StandardError.new "passed value is not a Sass::Script::Value::Number" unless argument.is_a? Sass::Script::Value::Number
         return argument