diff --git a/Count.http b/Count.http
index 412bcaf..2aa2b2d 100644
--- a/Count.http
+++ b/Count.http
@@ -21,4 +21,22 @@ GET /products
     test('OK content-range', () => {
     expect(response.headers['content-range']).to.equal(`0-${itemsCount - 1}/*`);
     });
-}}
\ No newline at end of file
+}}
+
+GET /products?offset=3&limit=8&unit_price=lt.14
+Prefer: count=exact
+?? status == 206 
+?? header content-range == 3-10/21
+
+GET /products?offset=3&limit=25&unit_price=lt.14
+Prefer: count=exact
+?? status == 206 
+?? header content-range == 3-20/21
+
+GET /products?offset=98&unit_price=lt.14
+Prefer: count=exact
+?? header content-range == */21
+
+GET /products?limit=0&unit_price=lt.14
+Prefer: count=exact
+?? header content-range == */21
diff --git a/Ordering.http b/Ordering.http
index 2b496d0..f5f846f 100644
--- a/Ordering.http
+++ b/Ordering.http
@@ -29,4 +29,13 @@ GET /products?order=product_name.desc
 ?? js response.parsedBody[0].id == 47
 ?? js response.parsedBody[76].id == 17
 ?? js response.parsedBody[0].product_name startsWith Z
-?? js response.parsedBody[76].product_name startsWith A
\ No newline at end of file
+?? js response.parsedBody[76].product_name startsWith A
+
+###
+
+GET /products?order=id.desc&unit_price=lt.10
+?? status == 200
+?? js response.parsedBody[0].id == 75
+?? js response.parsedBody[10].id == 13
+?? js response.parsedBody[0].product_name startsWith R
+?? js response.parsedBody[10].product_name startsWith K
diff --git a/Rest.http b/Rest.http
index c7f636a..9526c70 100644
--- a/Rest.http
+++ b/Rest.http
@@ -11,6 +11,16 @@ GET /products
 ?? status == 200
 ?? body length == 77
 
+###
+GET /products?discontinued=neq.0
+?? status == 200
+?? body length == 10
+
+###
+GET /products?unit_price=is.null
+?? status == 200
+?? body length == 0
+
 ###
 
 POST /products