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// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef BASE_TEST_WITH_FEATURE_OVERRIDE_H_
#define BASE_TEST_WITH_FEATURE_OVERRIDE_H_
#include "base/feature_list.h"
#include "base/test/scoped_feature_list.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace base {
namespace test {
#define INSTANTIATE_FEATURE_OVERRIDE_TEST_SUITE(test_name) \
INSTANTIATE_TEST_SUITE_P(All, test_name, testing::Values(false, true))
// Base class for a test fixture that enables running tests twice, once with a
// feature enabled and once with it disabled. Must be the first base class of
// the test fixture to take effect during its construction. If
// WithFeatureOverride is added as a parent to an existing test fixture
// all of its existing tests need to be migrated to TEST_P.
//
// Example usage:
//
// class MyTest : public base::test::WithFeatureOverride, public testing::Test
// {
// public:
// MyTest() : base::test::WithFeatureOverride(kMyFeature){}
// };
//
// TEST_P(MyTest, FooBar) {
// This will run with both the kMyFeature enabled and disabled.
// }
//
// INSTANTIATE_FEATURE_OVERRIDE_TEST_SUITE(MyTest);
class WithFeatureOverride : public testing::WithParamInterface<bool> {
public:
explicit WithFeatureOverride(const base::Feature& feature);
~WithFeatureOverride();
WithFeatureOverride(const WithFeatureOverride&) = delete;
WithFeatureOverride& operator=(const WithFeatureOverride&) = delete;
// Use to know if the configured feature provided in the constructor is
// enabled or not.
bool IsParamFeatureEnabled() const;
private:
base::test::ScopedFeatureList scoped_feature_list_;
};
} // namespace test
} // namespace base
#endif // BASE_TEST_WITH_FEATURE_OVERRIDE_H_
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