Add chrome.cast.media class tests

test/spec/shim/media/EditTracksInfoRequest.spec.js

@@ -0,0 +1,28 @@
+"use strict";
+
+describe("chrome.cast.media.EditTracksInfoRequest", () => {
+    it("should have all properties", async () => {
+        const editTracksInfoRequest = new chrome.cast.media.EditTracksInfoRequest();
+
+        expect(editTracksInfoRequest.activeTrackIds).toBe(null);
+        expect(editTracksInfoRequest.requestId).toBe(0);
+        expect(editTracksInfoRequest.textTrackStyle).toBe(null);
+    });
+
+    it("should have expected assigned properties", async () => {
+        const textTrackStyle = new chrome.cast.media.TextTrackStyle();
+        textTrackStyle.backgroundColor = "#fefefeff";
+        textTrackStyle.fontFamily = "__fontFamily";
+        textTrackStyle.windowRoundedCornerRadius = 5;
+
+        const editTracksInfoRequest = new chrome.cast.media.EditTracksInfoRequest(
+                [ 5, 8, 12 ], textTrackStyle);
+
+        expect(editTracksInfoRequest.activeTrackIds).toEqual([ 5, 8, 12 ]);
+        expect(editTracksInfoRequest.textTrackStyle).toEqual(jasmine.objectContaining({
+            backgroundColor: "#fefefeff"
+          , fontFamily: "__fontFamily"
+          , windowRoundedCornerRadius: 5
+        }));
+    });
+});