52 lines
1.8 KiB
Plaintext
52 lines
1.8 KiB
Plaintext
// Copyright 2018 The Chromium Authors
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// This is a "No Compile Test" suite.
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// http://dev.chromium.org/developers/testing/no-compile-tests
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#include "base/traits_bag.h"
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namespace base {
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enum class RequiredTrait {
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A,
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B,
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C
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};
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struct BooleanTrait {};
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struct NotAValidTrait {};
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struct TestTraits {
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// List of traits that are valid inputs for the constructor below.
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struct ValidTrait {
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ValidTrait(RequiredTrait);
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ValidTrait(BooleanTrait);
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};
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template <class... ArgTypes,
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class CheckArgumentsAreValid = std::enable_if_t<
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trait_helpers::AreValidTraits<ValidTrait, ArgTypes...>::value>>
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constexpr TestTraits(ArgTypes... args)
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: required_trait(trait_helpers::GetEnum<RequiredTrait>(args...)),
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boolean_trait(trait_helpers::HasTrait<BooleanTrait, ArgTypes...>()) {}
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const RequiredTrait required_trait;
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const bool boolean_trait;
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};
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#if defined(NCTEST_TRAITS_BAG_REQUIRED_TRAIT_NOT_SET) // [r"The traits bag is missing a required trait."]
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constexpr TestTraits traits = {};
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#elif defined(NCTEST_TRAITS_BAG_INVALID_TRAIT) // [r"no matching constructor for initialization of 'const TestTraits'"]
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constexpr TestTraits traits = {RequiredTrait::A, NotAValidTrait{}};
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#elif defined(NCTEST_TASK_TRAITS_MULTIPLE_REQUIRED_TRAIT) // [r"The traits bag contains multiple traits of the same type."]
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constexpr TestTraits traits = {RequiredTrait::A, RequiredTrait::B};
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#elif defined(NCTEST_TASK_TRAITS_REDUNDANT_BOOLEAN_TRAIT) // [r"The traits bag contains multiple traits of the same type."]
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constexpr TestTraits traits = {RequiredTrait::A, BooleanTrait(),
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BooleanTrait()};
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#endif
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} // namespace base
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