option_spec.rb in option-0.3.1

- old
+ new

@@ -65,10 +65,16 @@
   end
 
   it "should be aliased to None" do
     None.must_be_instance_of(NoneClass)
   end
+
+  it "#inside should return itself without invoking the block" do
+    expected = nil
+    None.inside { |v| expected = value }
+    expected.must_be_nil
+  end
 end
 
 describe SomeClass do
 
   it "#to_a returns the value wrapped in an array" do
@@ -137,9 +143,15 @@
     Some(value).fold(proc { value * 2 }) { |v| v * 3 }.must_equal(36)
   end
 
   it "#filter should return itself" do
     None.filter { |i| i == 0 }.must_equal(None)
+  end
+
+  it "#inside should invoke the proc and return itself" do
+    expected = nil
+    Some(value).inside { |v| expected = v }.must_equal(Some(value))
+    expected.must_equal(value)
   end
 
   it "should wrap the creation of a Some" do
     Some(value).must_be_instance_of(SomeClass)
   end