Support for query parameters

Author: FlorianRappl

src/AngleSharp.Io.Tests/Network/AboutTests.cs

@@ -76,5 +76,28 @@ public async Task InvokeAboutUnsetUrlShouldNotFire()
             Assert.IsNull(response);
             Assert.AreEqual(0, requests.Count);
         }
+
+        [Test]
+        public async Task InvokeAboutUrlWithQueryShouldFire()
+        {
+            var about = new AboutRequester();
+            var requests = new List<IRequest>();
+            var req = new Request
+            {
+                Address = Url.Create("about://cache?device=memory"),
+                Method = HttpMethod.Get
+            };
+
+            about.SetRoute("cache", (request, cancel) =>
+            {
+                requests.Add(request);
+                return Task.FromResult(default(IResponse));
+            });
+
+            var response = await about.RequestAsync(req, CancellationToken.None);
+            Assert.IsNull(response);
+            Assert.AreEqual(1, requests.Count);
+            Assert.AreEqual(req.Address.Data, requests[0].Address.Data);
+        }
     }
 }

src/AngleSharp.Io/Network/AboutRequester.cs

@@ -78,6 +78,13 @@ private static String GetAddress(String data)
 
             while (data.Length > skip && data[skip] == '/' && skip++ < 2) ;
 
+            var query = data.IndexOf('?');
+
+            if (query >= 0)
+            {
+                data = data.Remove(query);
+            }
+
             return data.Remove(0, skip);
         }
     }