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41 lines
1.4 KiB
C++
41 lines
1.4 KiB
C++
// Copyright 2025 The Abseil Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "absl/meta/internal/constexpr_testing.h"
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#include <map>
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#include <string_view>
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#include "gmock/gmock.h"
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#include "gtest/gtest.h"
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namespace {
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TEST(ConstexprTesting, Basic) {
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using absl::meta_internal::HasConstexprEvaluation;
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EXPECT_TRUE(HasConstexprEvaluation([] {}));
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static constexpr int const_global = 7;
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EXPECT_TRUE(HasConstexprEvaluation([] { return const_global; }));
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EXPECT_TRUE(HasConstexprEvaluation([] { return 0; }));
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EXPECT_TRUE(HasConstexprEvaluation([] { return std::string_view{}; }));
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static int nonconst_global;
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EXPECT_FALSE(HasConstexprEvaluation([] { return nonconst_global; }));
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EXPECT_FALSE(HasConstexprEvaluation([] { std::abort(); }));
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EXPECT_FALSE(HasConstexprEvaluation([] { return std::map<int, int>(); }));
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}
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} // namespace
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