1 // Copyright 2022 The Chromium Authors
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 #include "base/check_is_test.h"
7 #include "base/check.h"
8 #include "base/logging.h"
11 bool g_this_is_a_test = false;
14 namespace base::internal {
15 void check_is_test_impl() {
16 CHECK(g_this_is_a_test);
18 } // namespace base::internal
20 namespace base::test {
21 // base/test/allow_check_is_test_to_be_called.h declares
22 // `AllowCheckIsTestToBeCalled`, but is only allowed to be included in test
24 // We therefore have to also mark the symbol as exported here.
25 BASE_EXPORT void AllowCheckIsTestToBeCalled() {
26 LOG(WARNING) << "Allowing special test code paths";
27 // This CHECK ensures that `AllowCheckIsTestToBeCalled` is called just once.
28 // Since it is called in `base::TestSuite`, this should effectivly prevent
29 // calls to AllowCheckIsTestToBeCalled in production code (assuming that code
30 // has unit test coverage).
32 // This is just in case someone ignores the fact that this function in the
33 // `base::test` namespace and ends on "ForTesting".
34 CHECK(!g_this_is_a_test)
35 << "AllowCheckIsTestToBeCalled must not be called more than once";
37 g_this_is_a_test = true;
40 } // namespace base::test