mirror of https://github.com/grpc/grpc.git
The C based gRPC (C++, Python, Ruby, Objective-C, PHP, C#)
https://grpc.io/
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70 lines
2.0 KiB
70 lines
2.0 KiB
/* |
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* |
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* Copyright 2015 gRPC 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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* |
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*/ |
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#include <grpc/impl/codegen/port_platform.h> |
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#include "src/core/lib/gpr/useful.h" |
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#include <gtest/gtest.h> |
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namespace grpc_core { |
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TEST(UsefulTest, ClampWorks) { |
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EXPECT_EQ(grpc_core::Clamp(1, 0, 2), 1); |
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EXPECT_EQ(grpc_core::Clamp(0, 0, 2), 0); |
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EXPECT_EQ(grpc_core::Clamp(2, 0, 2), 2); |
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EXPECT_EQ(grpc_core::Clamp(-1, 0, 2), 0); |
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EXPECT_EQ(grpc_core::Clamp(3, 0, 2), 2); |
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} |
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TEST(UsefulTest, Rotate) { |
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EXPECT_EQ(grpc_core::RotateLeft(0x80000001u, 1u), 3); |
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EXPECT_EQ(grpc_core::RotateRight(0x80000001u, 1u), 0xc0000000); |
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} |
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TEST(UsefulTest, ArraySize) { |
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int four[4]; |
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int five[5]; |
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EXPECT_EQ(GPR_ARRAY_SIZE(four), 4); |
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EXPECT_EQ(GPR_ARRAY_SIZE(five), 5); |
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} |
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TEST(UsefulTest, BitOps) { |
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uint32_t bitset = 0; |
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EXPECT_EQ(grpc_core::BitCount((1u << 31) - 1), 31); |
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EXPECT_EQ(grpc_core::BitCount(1u << 3), 1); |
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EXPECT_EQ(grpc_core::BitCount(0), 0); |
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EXPECT_EQ(grpc_core::SetBit(&bitset, 3), 8); |
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EXPECT_EQ(grpc_core::BitCount(bitset), 1); |
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EXPECT_EQ(grpc_core::GetBit(bitset, 3), 1); |
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EXPECT_EQ(grpc_core::SetBit(&bitset, 1), 10); |
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EXPECT_EQ(grpc_core::BitCount(bitset), 2); |
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EXPECT_EQ(grpc_core::ClearBit(&bitset, 3), 2); |
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EXPECT_EQ(grpc_core::BitCount(bitset), 1); |
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EXPECT_EQ(grpc_core::GetBit(bitset, 3), 0); |
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EXPECT_EQ(grpc_core::BitCount(std::numeric_limits<uint64_t>::max()), 64); |
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} |
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} // namespace grpc_core |
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int main(int argc, char** argv) { |
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::testing::InitGoogleTest(&argc, argv); |
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return RUN_ALL_TESTS(); |
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}
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