assert interface: add nestedInclude and notNestedInclude

lib/chai/interface/assert.js

@@ -1012,6 +1012,51 @@ module.exports = function (chai, util) {
     new Assertion(exp, msg, assert.notDeepInclude, true).not.deep.include(inc);
   };
 
+  /**
+   * ### .nestedInclude
+   * 
+   * Asserts that 'targetObject' includes 'nestedObject'. 
+   * Enables the use of dot- and bracket-notation for referencing nested properties.
+   * '[]' and '.' in property names can be escaped using double backslashes.
+   * 
+   *     assert.nestedInclude({'.a': {'b': 'x'}}, {'\\.a.[b]': 'x'});
+   *     assert.nestedInclude({'a': {'[b]': 'x'}}, {'a.\\[b\\]': 'x'});
+   * 
+   * @name nestedInclude
+   * @param {Object} targetObject
+   * @param {Object} nestedObject
+   * @param {String} message
+   * @namespace Assert
+   * @api public 
+   */ 
+
+  assert.nestedInclude = function (exp, inc, msg) {
+    new Assertion(exp, msg, assert.nestedInclude, true).nested.include(inc);
+  };
+
+  /**
+   * ### .notNestedInclude
+   * 
+   * Asserts that 'targetObject' does not include 'nestedObject'. 
+   * Enables the use of dot- and bracket-notation for referencing nested properties.
+   * '[]' and '.' in property names can be escaped using double backslashes.
+   * 
+   *     assert.notNestedInclude({'.a': {'b': 'x'}}, {'\\.a.[b]': 'y'});
+   *     assert.notNestedInclude({'a': {'[b]': 'x'}}, {'a.\\[b\\]': 'y'});
+   * 
+   * 
+   * @name notNestedInclude
+   * @param {Object} targetObject
+   * @param {Object} nestedObject
+   * @param {String} message
+   * @namespace Assert
+   * @api public 
+   */ 
+
+  assert.notNestedInclude = function (exp, inc, msg) {
+    new Assertion(exp, msg, assert.notNestedInclude, true).not.nested.include(inc);
+  };
+
   /**
    * ### .match(value, regexp, [message])
    *