assert.js

  1. aeq = ( function ( aeq ) {
  2. aeq.extend({
  4. 	/**
  5. 	 * Checks if value is null. Throws an error if it is not.
  6. 	 * @method
  7. 	 * @memberof aeq
  8. 	 * @param  {Any} o   The value to check against null.
  9. 	 * @param  {String} err The error message to throw
  10. 	 * @return {Boolean} `true` if no error was thrown
  11. 	 */
  12. 	assertIsNull: function ( o, err ) {
  13. 		if ( aeq.isNullOrUndefined( o ) ) {
  14. 			return true;
  15. 		}
  17. 		throw new Error( err );
  18. 	},
  20. 	/**
  21. 	 * Checks if value is null. Throws an error if it is.
  22. 	 * @method
  23. 	 * @memberof aeq
  24. 	 * @param  {Any} o   The value to check against null.
  25. 	 * @param  {String} err The error message to throw
  26. 	 * @return {Boolean} `true` if no error was thrown
  27. 	 */
  28. 	assertIsNotNull: function ( o, err ) {
  29. 		if ( !aeq.isNullOrUndefined( o ) ) {
  30. 			return true;
  31. 		}
  33. 		throw new Error( err );
  34. 	},
  36. 	/**
  37. 	 * Checks if value is `true`. Throws an error if it is not.
  38. 	 * @method
  39. 	 * @memberof aeq
  40. 	 * @param  {Any} o   The value to check against `true`.
  41. 	 * @param  {String} err The error message to throw
  42. 	 * @return {Boolean} `true` if no error was thrown
  43. 	 */
  44. 	assertIsTrue: function ( o, err ) {
  45. 		if ( o === true ) {
  46. 			return true;
  47. 		}
  49. 		throw new Error( err );
  50. 	},
  52. 	/**
  53. 	 * Checks if value is `false`. Throws an error if it is not.
  54. 	 * @method
  55. 	 * @memberof aeq
  56. 	 * @param  {Any} o   The value to check against `false`.
  57. 	 * @param  {String} err The error message to throw
  58. 	 * @return {Boolean} `true` if no error was thrown
  59. 	 */
  60. 	assertIsFalse: function ( o, err ) {
  61. 		if ( o === false ) {
  62. 			return true;
  63. 		}
  65. 		throw new Error( err );
  66. 	},
  68. 	/**
  69. 	 * Checks if array is empty. Throws an error if it is not.
  70. 	 * @method
  71. 	 * @memberof aeq
  72. 	 * @param  {Array} o   The array to check is empty.
  73. 	 * @param  {String} err The error message to throw
  74. 	 * @return {Boolean} `true` if no error was thrown
  75. 	 */
  76. 	assertIsEmpty: function ( o, err ) {
  77. 		if ( aeq.isEmpty( o ) ) {
  78. 			return true;
  79. 		}
  81. 		throw new Error( err );
  82. 	},
  84. 	/**
  85. 	 * Checks if array is empty. Throws an error if it is.
  86. 	 * @method
  87. 	 * @memberof aeq
  88. 	 * @param  {Array} o   The array to check is empty.
  89. 	 * @param  {String} err The error message to throw
  90. 	 * @return {Boolean} `true` if no error was thrown
  91. 	 */
  92. 	assertIsNotEmpty: function ( o, err ) {
  93. 		if ( !aeq.isEmpty( o ) ) {
  94. 			return true;
  95. 		}
  97. 		throw new Error( err );
  98. 	}
  99. });
  101. return aeq;
  102. }( aeq || {}) );