Added @Given the JSON node :node should be of type :type

src/Context/JsonContext.php

@@ -260,6 +260,24 @@ public function theJsonNodeShouldNotExist($name)
             return $this->theJsonNodeShouldExist($name);
         }, "The node '$name' exists.");
     }
+
+    /**
+     * Checks, that given JSON node is of the correct type
+     *
+     * @Given the JSON node :node should be of type :type
+     */
+    public function theJsonNodeShouldBeOfType($node, $type)
+    {
+        $json = $this->getJson();
+
+        $actual = gettype($this->inspector->evaluate($json, $node));
+
+        if ($actual == 'double') {
+            $actual = 'float';
+        }
+
+        $this->assertSame($type, $actual);        
+    }
 
     /**
      * @Then the JSON should be valid according to this schema:

tests/features/json.feature

@@ -131,3 +131,14 @@ Feature: Testing JSONContext
         And the JSON node "root[4]" should be equal to the number 1312
         And the JSON node "root[4]" should be equal to the number 1312.0
         And the JSON node "root[5]" should be equal to the number 1936.2
+
+    Scenario: Check type
+        Given I am on "/json/objectwithtypes.json"
+        Then the response should be in JSON
+        And the JSON node "string" should be of type string
+        And the JSON node "integer" should be of type integer
+        And the JSON node "float" should be of type float
+        And the JSON node "null" should be of type NULL
+        And the JSON node "array" should be of type array
+        And the JSON node "object" should be of type object
+        And the JSON node "boolean" should be of type boolean

tests/fixtures/www/json/objectwithtypes.json

@@ -0,0 +1,10 @@
+{
+  "string": "abc",
+  "integer": 123,
+  "double": 2.0,
+  "float": 2.123,
+  "null": null,
+  "array": [],
+  "object": {},
+  "boolean": false
+}