Abseil Common Libraries (C++) (grcp 依赖)
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60 lines
1.8 KiB
60 lines
1.8 KiB
// Copyright 2018 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 <cstddef> |
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#include "gmock/gmock.h" |
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#include "gtest/gtest.h" |
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#include "absl/container/internal/hashtablez_sampler.h" |
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namespace absl { |
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namespace container_internal { |
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class HashtablezInfoHandlePeer { |
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public: |
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static bool IsSampled(const HashtablezInfoHandle& h) { |
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return h.info_ != nullptr; |
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} |
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}; |
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namespace { |
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bool samples[3]{true, true, true}; |
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// We do this test in a global object to test that this works even before main. |
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struct Global { |
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Global() { |
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// By default it is sampled. |
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samples[0] = HashtablezInfoHandlePeer::IsSampled(Sample()); |
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// Even with a large parameter, it is sampled. |
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SetHashtablezSampleParameter(100); |
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samples[1] = HashtablezInfoHandlePeer::IsSampled(Sample()); |
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// Even if we turn it off, it is still sampled. |
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SetHashtablezEnabled(false); |
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samples[2] = HashtablezInfoHandlePeer::IsSampled(Sample()); |
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} |
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} global; |
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TEST(kAbslContainerInternalSampleEverything, Works) { |
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EXPECT_THAT(samples, testing::Each(true)); |
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EXPECT_TRUE(kAbslContainerInternalSampleEverything); |
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// One more after main() |
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EXPECT_TRUE(HashtablezInfoHandlePeer::IsSampled(Sample())); |
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} |
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} // namespace |
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} // namespace container_internal |
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} // namespace absl
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