schedsvc/tests: Add a test for NULL task name passed to SchRpcRegisterTask.

dlls/schedsvc/schedsvc.c

@@ -180,6 +180,12 @@ HRESULT __cdecl SchRpcRegisterTask(const WCHAR *path, const WCHAR *xml, DWORD fl
     /* FIXME: assume that validation is performed on the client side */
     if (flags & TASK_VALIDATE_ONLY) return S_OK;
 
+    if (!path)
+    {
+        FIXME("NULL name is not supported\n");
+        return E_INVALIDARG;
+    }
+
     full_name = get_full_name(path, &relative_path);
     if (!full_name) return E_OUTOFMEMORY;
 

dlls/schedsvc/tests/Makefile.in

 TESTDLL   = schedsvc.dll
-IMPORTS   = rpcrt4
+IMPORTS   = rpcrt4 ole32
 
 C_SRCS = \
 	rpcapi.c

dlls/schedsvc/tests/rpcapi.c

@@ -99,6 +99,7 @@ START_TEST(rpcapi)
     TASK_NAMES names;
     unsigned char *binding_str;
     PTOP_LEVEL_EXCEPTION_FILTER old_exception_filter;
+    IID iid;
 
     hr = RpcStringBindingComposeA(NULL, ncalrpc, NULL, NULL, NULL, &binding_str);
     ok(hr == RPC_S_OK, "RpcStringBindingCompose error %#x\n", hr);
@@ -517,6 +518,21 @@ todo_wine
     hr = SchRpcDelete(Wine, 0);
     ok(hr == S_OK, "expected S_OK, got %#x\n", hr);
 
+    path = NULL;
+    info = NULL;
+    hr = SchRpcRegisterTask(NULL, xmlW, TASK_CREATE, NULL, TASK_LOGON_NONE, 0, NULL, &path, &info);
+todo_wine
+    ok(hr == S_OK, "expected S_OK, got %#x\n", hr);
+    ok(!info, "expected NULL, info %p\n", info);
+if (hr == S_OK)
+{
+    hr = IIDFromString(path, &iid);
+    ok(hr == S_OK, "IIDFromString(%s) error %#x\n", wine_dbgstr_w(path), hr);
+    hr = SchRpcDelete(path, 0);
+    ok(hr == S_OK, "expected S_OK, got %#x\n", hr);
+    MIDL_user_free(path);
+}
+
     hr = RpcBindingFree(&rpc_handle);
     ok(hr == RPC_S_OK, "RpcBindingFree error %#x\n", hr);
 }