Merge pull request #494 from cezarykluczynski/assertions-is-not-false…

…-is-not-true

isNotFalse, isNotTrue assertions added

lib/chai/interface/assert.js

@@ -279,6 +279,24 @@ module.exports = function (chai, util) {
     new Assertion(val, msg).is['true'];
   };
 
+  /**
+   * ### .isNotTrue(value, [message])
+   *
+   * Asserts that `value` is not true.
+   *
+   *     var tea = 'tasty chai';
+   *     assert.isNotTrue(tea, 'great, time for tea!');
+   *
+   * @name isNotTrue
+   * @param {Mixed} value
+   * @param {String} message
+   * @api public
+   */
+
+  assert.isNotTrue = function (val, msg) {
+    new Assertion(val, msg).to.not.equal(true);
+  };
+
   /**
    * ### .isFalse(value, [message])
    *
@@ -297,6 +315,24 @@ module.exports = function (chai, util) {
     new Assertion(val, msg).is['false'];
   };
 
+  /**
+   * ### .isNotFalse(value, [message])
+   *
+   * Asserts that `value` is not false.
+   *
+   *     var tea = 'tasty chai';
+   *     assert.isNotFalse(tea, 'great, time for tea!');
+   *
+   * @name isNotFalse
+   * @param {Mixed} value
+   * @param {String} message
+   * @api public
+   */
+
+  assert.isNotFalse = function (val, msg) {
+    new Assertion(val, msg).to.not.equal(false);
+  };
+
   /**
    * ### .isNull(value, [message])
    *

test/assert.js

@@ -36,6 +36,14 @@ describe('assert', function () {
     }, "expected 'test' to be true");
   });
 
+  it('isNotTrue', function () {
+    assert.isNotTrue(false);
+
+    err(function() {
+      assert.isNotTrue(true);
+    }, "expected true to not equal true");
+  });
+
   it('isOk / ok', function () {
     ['isOk', 'ok'].forEach(function (isOk) {
       assert[isOk](true);
@@ -88,6 +96,14 @@ describe('assert', function () {
     }, "expected 0 to be false");
   });
 
+  it('isNotFalse', function () {
+    assert.isNotFalse(true);
+
+    err(function() {
+      assert.isNotFalse(false);
+    }, "expected false to not equal false");
+  });
+
   it('equal', function () {
     var foo;
     assert.equal(foo, undefined);