option_spec.rb in option-1.0.0

- old
+ new

@@ -43,10 +43,14 @@
 
   it "#exists? should return false" do
     None.exists? {}.must_equal(false)
   end
 
+  it "#include? should return false" do
+    None.include?(value).must_equal(false)
+  end
+
   it "#fold should invoke the default proc" do
     None.fold(proc { value }) { |v| v.to_f }.must_equal(value)
   end
 
   it "#filter with a true predicate returns itself" do
@@ -142,10 +146,18 @@
 
   it "#exists? should return false when the block evaluates false" do
     Some(value).exists? { |v| v % 2 != 0 }.must_equal(false)
   end
 
+  it "#include? should return true when the passed value and the boxed value are the same" do
+    Some(value).include?(value).must_equal(true)
+  end
+
+  it "#include? should return false when the passed value and the boxed value are not the same" do
+    Some(value).include?(value + 1).must_equal(false)
+  end
+
   it "#fold should map the proc over the value and return it" do
     Some(value).fold(proc { value * 2 }) { |v| v * 3 }.must_equal(36)
   end
 
   it "#filter should return itself" do
@@ -169,10 +181,12 @@
   it "should be aliased to Some" do
     Some.new(value).must_be_some(value)
   end
 
   it "#flatten" do
-    Some(Some(Some(value))).flatten.must_be_some(value)
+    inner_value = Some(Some(Some(value))).flatten
+    inner_value.must_be_some(value)
+    inner_value.or_nil.must_equal(value)
   end
 end
 
 describe OptionClass do
 