diff --git a/test/Validation.test.js b/test/Validation.test.js
index bf2ae96f51..fbfd9e1a01 100644
--- a/test/Validation.test.js
+++ b/test/Validation.test.js
@@ -123,5 +123,36 @@ describe("Validation", function() {
 				throw new Error("Validation didn't fail");
 			}
 		});
+
+		describe("allowedHosts", function() {
+			it("should allow hosts in allowedHosts", function() {
+				const options = { allowedHosts: ["test.host"] };
+				const headers = { host: "test.host:80" };
+				const server = new Server(compiler, options);
+				if(!server.checkHost(headers)) {
+					throw new Error("Validation didn't fail");
+				}
+			});
+			it("should return true if host passes a wildcard in allowedHosts", function() {
+				const options = { allowedHosts: [".example.com"] };
+				const server = new Server(compiler, options);
+				const testDomains = [
+					"www.example.com",
+					"subdomain.example.com",
+					"example.com",
+					"subsubcomain.subdomain.example.com",
+					"example.com:80",
+					"subdomain.example.com:80"
+				];
+
+				let headers;
+				testDomains.forEach(function(testDomain) {
+					headers = { host: testDomain };
+					if(!server.checkHost(headers)) {
+						throw new Error("Validation didn't fail");
+					}
+				});
+			});
+		});
 	})
 });