updated tests for filterWith and mapWith

dist/lamb.js

@@ -1,7 +1,7 @@
 /**
  * @overview lamb - A lightweight, and docile, JavaScript library to help embracing functional programming.
  * @author Andrea Scartabelli <andrea.scartabelli@gmail.com>
- * @version 0.33.0-alpha.6
+ * @version 0.33.0-alpha.7
  * @module lamb
  * @license MIT
  * @preserve
@@ -18,7 +18,7 @@
      * @category Core
      * @type String
      */
-    lamb._version =  "0.33.0-alpha.6";
+    lamb._version =  "0.33.0-alpha.7";
 
     // alias used as a placeholder argument for partial application
     var _ = lamb;

package.json

@@ -31,7 +31,7 @@
     "coveralls": "gulp coverage && cat ./coverage/lcov.info | ./node_modules/coveralls/bin/coveralls.js && rm -rf ./coverage"
   },
   "tonicExample": "var _ = require('lamb');",
-  "version": "0.33.0-alpha.6",
+  "version": "0.33.0-alpha.7",
   "devDependencies": {
     "coveralls": "^2.11.9",
     "gulp": "^3.9.1",

test/spec/arraySpec.js

@@ -254,6 +254,14 @@ describe("lamb.array", function () {
             expect(getLowerCaseEls("fooBAR")).toEqual(["f", "o", "o"]);
         });
 
+        it("should throw an exception if the predicate isn't a function or is missing", function () {
+            ["foo", null, void 0, {}, [], /foo/, 1, NaN, true, new Date()].forEach(function (value) {
+                expect(function () { lamb.filterWith(value)(arr); }).toThrow();
+            });
+
+            expect(function () { lamb.filterWith()(arr); }).toThrow();
+        });
+
         it("should throw an exception if called without the data argument", function () {
             expect(getLowerCaseEls).toThrow();
         });
@@ -668,8 +676,12 @@ describe("lamb.array", function () {
             expect(makeDoubles("12345")).toEqual([2, 4, 6, 8, 10]);
         });
 
-        it("should throw an exception if isn't supplied with a mapping function", function () {
-            expect(function () { lamb.mapWith(null)(nummbers); }).toThrow();
+        it("should throw an exception if the iteratee isn't a function or is missing", function () {
+            ["foo", null, void 0, {}, [], /foo/, 1, NaN, true, new Date()].forEach(function (value) {
+                expect(function () { lamb.mapWith(value)(numbers); }).toThrow();
+            });
+
+            expect(function () { lamb.mapWith()(numbers); }).toThrow();
         });
 
         it("should throw an exception if called without the data argument", function () {