add a couple of DomUtil tests, #1347

spec/suites/dom/DomUtilSpec.js

@@ -1,28 +1,28 @@
 describe('DomUtil', function() {
 	var el;
-	
+
 	beforeEach(function() {
 		el = document.createElement('div');
 		el.style.position = 'absolute';
 		el.style.top = el.style.left = '-10000px';
 		document.body.appendChild(el);
 	});
-	
+
 	afterEach(function() {
 		document.body.removeChild(el);
 	});
-	
+
 	describe('#get', function() {
 		it('should get element by id if the given argument is string', function() {
 			el.id = 'testId';
 			expect(L.DomUtil.get(el.id)).toBe(el);
 		});
-		
+
 		it('should return the element if it is given as an argument', function() {
 			expect(L.DomUtil.get(el)).toBe(el);
 		});
 	});
-	
+
 	describe('#addClass, #removeClass, #hasClass', function() {
 		it('should has defined class for test element', function() {
 			el.className = 'bar foo baz ';
@@ -31,29 +31,57 @@ describe('DomUtil', function() {
 			expect(L.DomUtil.hasClass(el, 'baz')).toBeTruthy();
 			expect(L.DomUtil.hasClass(el, 'boo')).toBeFalsy();
 		});
-		
+
 		it('should properly addClass and removeClass for element', function() {
 			el.className = '';
 			L.DomUtil.addClass(el, 'foo');
-			
+
 			expect(el.className).toEqual('foo');
 			expect(L.DomUtil.hasClass(el, 'foo')).toBeTruthy();
-			
+
 			L.DomUtil.addClass(el, 'bar');
 			expect(el.className).toEqual('foo bar');
 			expect(L.DomUtil.hasClass(el, 'foo')).toBeTruthy();
-			
+
 			L.DomUtil.removeClass(el, 'foo');
 			expect(el.className).toEqual('bar');
 			expect(L.DomUtil.hasClass(el, 'foo')).toBeFalsy();
-			
+
 			el.className = 'foo bar barz';
 			L.DomUtil.removeClass(el, 'bar');
 			expect(el.className).toEqual('foo barz');
 		})
 	});
-	
+
+	describe('#documentIsLtr', function () {
+		it('should return true if doc direction is ltr', function () {
+			expect(L.DomUtil.documentIsLtr()).toBe(true);
+			expect(L.DomUtil.documentIsLtr()).toBe(true); // cached
+		});
+	});
+
+	describe('#getViewportOffset', function () {
+		var div = document.createElement('div');
+		div.style.position = 'absolute';
+		div.style.top = '100px';
+		div.style.left = '200px';
+		div.style.border = '10px solid black';
+		div.style.padding = '50px';
+		div.style.visibility = 'hidden';
+
+		var div2 = document.createElement('div');
+		div.style.marginTop = '100px';
+
+		div.appendChild(div2);
+
+		document.body.appendChild(div);
+
+		expect(L.DomUtil.getViewportOffset(div2)).toEqual(new L.Point(260, 260));
+
+		document.body.removeChild(div);
+	});
+
 	describe('#setPosition', noSpecs);
-	
+
 	describe('#getStyle', noSpecs);
-});
+});