reg/tests: Add tests for invalid switches.

programs/reg/tests/reg.c

@@ -450,6 +450,19 @@ static void test_add(void)
     run_reg_exe("reg add HKCU\\" KEY_BASE " /v dup2 /t REG_DWORD /d 123 /f /d 456", &r);
     ok(r == REG_EXIT_FAILURE, "got exit code %u, expected 1\n", r);
 
+    /* Test invalid switches */
+    run_reg_exe("reg add HKCU\\" KEY_BASE " /v invalid1 /a", &r);
+    todo_wine ok(r == REG_EXIT_FAILURE, "got exit code %u, expected 1\n", r);
+
+    run_reg_exe("reg add HKCU\\" KEY_BASE " /v invalid2 /ae", &r);
+    todo_wine ok(r == REG_EXIT_FAILURE, "got exit code %u, expected 1\n", r);
+
+    run_reg_exe("reg add HKCU\\" KEY_BASE " /v invalid3 /", &r);
+    todo_wine ok(r == REG_EXIT_FAILURE, "got exit code %u, expected 1\n", r);
+
+    run_reg_exe("reg add HKCU\\" KEY_BASE " /v invalid4 -", &r);
+    todo_wine ok(r == REG_EXIT_FAILURE, "got exit code %u, expected 1\n", r);
+
     err = RegDeleteKeyA(HKEY_CURRENT_USER, KEY_BASE);
     ok(err == ERROR_SUCCESS, "got %d\n", err);
 }