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// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// This is a "No Compile Test" suite.
// http://dev.chromium.org/developers/testing/no-compile-tests
#include "base/types/variant_util.h"
#include <variant>
namespace base {
// Cannot get the index of a type if the type is specified multiple times in
// the variant instantiation.
inline constexpr size_t kValue = VariantIndexOfType<std::variant<int, int>, int>(); // expected-error {{constexpr variable 'kValue' must be initialized by a constant expression}}
// expected-error@base/types/variant_util.h:* {{Variant is not constructible from T}}
// expected-error@base/types/variant_util.h:* {{no matching conversion for functional-style cast}}
// Should fail if the type is not mentioned in the variant instantiation at
// all.
inline constexpr size_t kValue2 = VariantIndexOfType<std::variant<int>, bool>(); // expected-error {{constexpr variable 'kValue2' must be initialized by a constant expression}}
// expected-error@base/types/variant_util.h:* {{Variant is not constructible from T}}
// expected-error@base/types/variant_util.h:* {{no matching conversion for functional-style cast}}
} // namespace base
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