Abseil Common Libraries (C++) (grcp 依赖)
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60 lines
1.7 KiB
60 lines
1.7 KiB
// Copyright 2017 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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// http://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/base/config.h" |
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#include <cstdint> |
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#include "gtest/gtest.h" |
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#include "absl/synchronization/internal/thread_pool.h" |
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namespace { |
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TEST(ConfigTest, Endianness) { |
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union { |
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uint32_t value; |
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uint8_t data[sizeof(uint32_t)]; |
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} number; |
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number.data[0] = 0x00; |
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number.data[1] = 0x01; |
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number.data[2] = 0x02; |
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number.data[3] = 0x03; |
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#if defined(ABSL_IS_LITTLE_ENDIAN) && defined(ABSL_IS_BIG_ENDIAN) |
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#error Both ABSL_IS_LITTLE_ENDIAN and ABSL_IS_BIG_ENDIAN are defined |
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#elif defined(ABSL_IS_LITTLE_ENDIAN) |
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EXPECT_EQ(UINT32_C(0x03020100), number.value); |
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#elif defined(ABSL_IS_BIG_ENDIAN) |
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EXPECT_EQ(UINT32_C(0x00010203), number.value); |
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#else |
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#error Unknown endianness |
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#endif |
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} |
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#if defined(ABSL_HAVE_THREAD_LOCAL) |
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TEST(ConfigTest, ThreadLocal) { |
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static thread_local int mine_mine_mine = 16; |
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EXPECT_EQ(16, mine_mine_mine); |
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{ |
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absl::synchronization_internal::ThreadPool pool(1); |
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pool.Schedule([&] { |
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EXPECT_EQ(16, mine_mine_mine); |
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mine_mine_mine = 32; |
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EXPECT_EQ(32, mine_mine_mine); |
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}); |
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} |
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EXPECT_EQ(16, mine_mine_mine); |
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} |
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#endif |
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} // namespace
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