urlmon: Return E_FAIL in Binding::Switch implementation.

dlls/urlmon/binding.c

@@ -1127,37 +1127,14 @@ static ULONG WINAPI InternetProtocolSink_Release(IInternetProtocolSink *iface)
     return IBinding_Release(BINDING(This));
 }
 
-typedef struct {
-    task_header_t header;
-    PROTOCOLDATA data;
-} switch_task_t;
-
-static void switch_proc(Binding *binding, task_header_t *t)
-{
-    switch_task_t *task = (switch_task_t*)t;
-
-    IInternetProtocol_Continue(binding->protocol, &task->data);
-
-    heap_free(task);
-}
-
 static HRESULT WINAPI InternetProtocolSink_Switch(IInternetProtocolSink *iface,
         PROTOCOLDATA *pProtocolData)
 {
     Binding *This = PROTSINK_THIS(iface);
-    switch_task_t *task;
-
-    TRACE("(%p)->(%p)\n", This, pProtocolData);
 
-    task = heap_alloc(sizeof(switch_task_t));
-    task->data = *pProtocolData;
+    WARN("(%p)->(%p)\n", This, pProtocolData);
 
-    push_task(This, &task->header, switch_proc);
-
-    IBinding_AddRef(BINDING(This));
-    PostMessageW(This->notif_hwnd, WM_MK_CONTINUE, 0, (LPARAM)This);
-
-    return S_OK;
+    return E_FAIL;
 }
 
 typedef struct {

dlls/urlmon/tests/url.c

@@ -324,6 +324,28 @@ static ULONG WINAPI Protocol_Release(IInternetProtocol *iface)
     return 1;
 }
 
+static void test_switch_fail(void)
+{
+    IInternetProtocolSink *binding_sink;
+    PROTOCOLDATA protocoldata;
+    HRESULT hres;
+
+    static BOOL tested_switch_fail;
+
+    if(tested_switch_fail)
+        return;
+
+    tested_switch_fail = TRUE;
+
+    hres = IBinding_QueryInterface(current_binding, &IID_IInternetProtocolSink, (void**)&binding_sink);
+    ok(hres == S_OK, "Could not get IInternetProtocolSink iface: %08x\n", hres);
+    if(SUCCEEDED(hres)) {
+        hres = IInternetProtocolSink_Switch(binding_sink, &protocoldata);
+        ok(hres == E_FAIL, "Switch failed: %08x, expected E_FAIL\n", hres);
+        IInternetProtocolSink_Release(binding_sink);
+    }
+}
+
 static DWORD WINAPI thread_proc(PVOID arg)
 {
     PROTOCOLDATA protocoldata;
@@ -368,6 +390,8 @@ static DWORD WINAPI thread_proc(PVOID arg)
     else
         CHECK_CALLED(OnProgress_SENDINGREQUEST);
 
+    test_switch_fail();
+
     SET_EXPECT(Continue);
     prot_state = 1;
     hres = IInternetProtocolSink_Switch(protocol_sink, &protocoldata);