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base / check_is_test.cc [blame]
// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "base/check_is_test.h"
#include "base/check.h"
#include "base/logging.h"
namespace {
bool g_this_is_a_test = false;
}
namespace base::internal {
bool get_is_test_impl() {
return g_this_is_a_test;
}
} // namespace base::internal
namespace base::test {
// base/test/allow_check_is_test_for_testing.h declares
// `AllowCheckIsTestForTesting`, but is only allowed to be included in test
// code. We therefore have to also mark the symbol as exported here.
BASE_EXPORT void AllowCheckIsTestForTesting() {
// This CHECK ensures that `AllowCheckIsTestForTesting` is called
// just once. Since it is called in `base::TestSuite`, this should effectively
// prevent calls to `AllowCheckIsTestForTesting` in production code
// (assuming that code has unit test coverage).
//
// This is just in case someone ignores the fact that this function in the
// `base::test` namespace and ends on "ForTesting".
CHECK(!g_this_is_a_test)
<< "AllowCheckIsTestForTesting must not be called more than once";
g_this_is_a_test = true;
}
} // namespace base::test