Remove type checks, tighten up tests toBe

src/tools.js

@@ -349,10 +349,6 @@ define([], function() {
      * @returns {String} unit
      */
     extractUnit: function (any) {
-      if (typeof any === 'undefined' || typeof any === 'number') {
-        return '';
-      }
-
       // make sure it's a string and remove trailing whitespace
       var unit = String(any).replace(/\s+$/, '');
       // returns extracted unit or empty string
@@ -381,8 +377,6 @@ define([], function() {
           radians = amount * PI / 200; break;
         case 'turn':
           radians = amount * 2 * PI; break;
-        default:
-          radians = 0;
       }
 
       return radians;

test/tools-spec.js

@@ -293,49 +293,49 @@ define([
       var returned = extractUnit('9deg');
       var expected = 'deg';
 
-      expect(returned).toEqual(expected);
+      expect(returned).toBe(expected);
     });
 
     it('should work with negative numbers', function() {
       var returned = extractUnit('-741232grad');
       var expected = 'grad';
 
-      expect(returned).toEqual(expected);
+      expect(returned).toBe(expected);
     });
 
     it('should work with trailing whitespace', function() {
       var returned = extractUnit('-741232grad    ');
       var expected = 'grad';
 
-      expect(returned).toEqual(expected);
+      expect(returned).toBe(expected);
     });
 
     it('should work with leading whitespace', function() {
       var returned = extractUnit('-741232 grad    ');
       var expected = 'grad';
 
-      expect(returned).toEqual(expected);
+      expect(returned).toBe(expected);
     });
 
     it('should return an empty string in case of a number', function () {
       var returned = extractUnit(7531);
       var expected = '';
 
-      expect(returned).toEqual(expected);
+      expect(returned).toBe(expected);
     });
 
     it('should return the string when given an array', function () {
       var returned = extractUnit(['50s']);
       var expected = 's';
 
-      expect(returned).toEqual(expected);
+      expect(returned).toBe(expected);
     });
 
     it('should work with percentages', function () {
       var returned = extractUnit('50%');
       var expected = '%';
 
-      expect(returned).toEqual(expected);
+      expect(returned).toBe(expected);
     });
   });