wmp: Improve URL property handling.

dlls/wmp/player.c

@@ -28,7 +28,7 @@ static ATOM player_msg_class;
 static INIT_ONCE class_init_once;
 static UINT WM_WMPEVENT;
 static const WCHAR WMPmessageW[] = {'_', 'W', 'M', 'P', 'M','e','s','s','a','g','e',0};
-
+static const WCHAR emptyW[] = {0};
 
 static void update_state(WindowsMediaPlayer *wmp, LONG type, LONG state)
 {
@@ -135,9 +135,8 @@ static HRESULT WINAPI WMPPlayer4_get_URL(IWMPPlayer4 *iface, BSTR *url)
 
     TRACE("(%p)->(%p)\n", This, url);
 
-    if(This->media == NULL) {
-        return S_FALSE;
-    }
+    if (!This->media)
+        return return_bstr(emptyW, url);
 
     return return_bstr(This->media->url, url);
 }
@@ -147,10 +146,8 @@ static HRESULT WINAPI WMPPlayer4_put_URL(IWMPPlayer4 *iface, BSTR url)
     WindowsMediaPlayer *This = impl_from_IWMPPlayer4(iface);
     IWMPMedia *media;
     HRESULT hres;
+
     TRACE("(%p)->(%s)\n", This, debugstr_w(url));
-    if(url == NULL) {
-        return E_POINTER;
-    }
 
     hres = create_media_from_url(url, 0.0, &media);
 
@@ -161,9 +158,8 @@ static HRESULT WINAPI WMPPlayer4_put_URL(IWMPPlayer4 *iface, BSTR url)
     }
     if (SUCCEEDED(hres)) {
         update_state(This, DISPID_WMPCOREEVENT_PLAYSTATECHANGE, wmppsReady);
-        if (This->auto_start == VARIANT_TRUE) {
-            hres = IWMPControls_play(&This->IWMPControls_iface);
-        }
+        if (This->auto_start == VARIANT_TRUE)
+            IWMPControls_play(&This->IWMPControls_iface);
     }
 
     return hres;
@@ -2025,7 +2021,6 @@ WMPMedia *unsafe_impl_from_IWMPMedia(IWMPMedia *iface)
 
 HRESULT create_media_from_url(BSTR url, double duration, IWMPMedia **ppMedia)
 {
-    static const WCHAR emptyW[] = {0};
     WMPMedia *media;
 
     media = heap_alloc_zero(sizeof(*media));

dlls/wmp/tests/media.c

@@ -562,6 +562,54 @@ todo_wine
     IWMPPlayer4_Release(player);
 }
 
+static void test_player_url(void)
+{
+    IWMPPlayer4 *player;
+    BSTR str, str2;
+    HRESULT hr;
+
+    hr = CoCreateInstance(&CLSID_WindowsMediaPlayer, NULL, CLSCTX_INPROC_SERVER, &IID_IWMPPlayer4, (void **)&player);
+    if (hr == REGDB_E_CLASSNOTREG)
+    {
+        win_skip("CLSID_WindowsMediaPlayer is not registered.\n");
+        return;
+    }
+    ok(hr == S_OK, "Failed to create media player instance, hr %#x.\n", hr);
+
+    hr = IWMPPlayer4_get_URL(player, &str);
+    ok(hr == S_OK, "Failed to get url, hr %#x.\n", hr);
+    ok(*str == 0, "Unexpected url %s.\n", wine_dbgstr_w(str));
+    SysFreeString(str);
+
+    str2 = SysAllocString(mp3file);
+    hr = IWMPPlayer4_put_URL(player, str2);
+    ok(hr == S_OK, "Failed to set url, hr %#x.\n", hr);
+
+    hr = IWMPPlayer4_put_URL(player, NULL);
+    ok(hr == S_OK, "Failed to set url, hr %#x.\n", hr);
+    hr = IWMPPlayer4_get_URL(player, &str);
+    ok(hr == S_OK, "Failed to set url, hr %#x.\n", hr);
+    ok(*str == 0, "Unexpected url, %s.\n", wine_dbgstr_w(str));
+    SysFreeString(str);
+
+    /* Empty url */
+    hr = IWMPPlayer4_put_URL(player, str2);
+    ok(hr == S_OK, "Failed to set url, hr %#x.\n", hr);
+
+    str = SysAllocStringLen(NULL, 0);
+    hr = IWMPPlayer4_put_URL(player, str);
+    ok(hr == S_OK, "Failed to set url, hr %#x.\n", hr);
+    SysFreeString(str);
+
+    hr = IWMPPlayer4_get_URL(player, &str);
+    ok(hr == S_OK, "Failed to set url, hr %#x.\n", hr);
+    ok(*str == 0, "Unexpected url, %s.\n", wine_dbgstr_w(str));
+    SysFreeString(str);
+
+    SysFreeString(str2);
+    IWMPPlayer4_Release(player);
+}
+
 START_TEST(media)
 {
     CoInitialize(NULL);
@@ -571,6 +619,7 @@ START_TEST(media)
     completed_event = CreateEventW(NULL, FALSE, FALSE, NULL);
 
     test_media_item();
+    test_player_url();
     if (test_wmp()) {
         test_completion_event();
     } else {