wehub-resource-sync
53 lines
1.5 KiB
C++
53 lines
1.5 KiB
C++
// Copyright 2025-present the zvec project
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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 <iostream>
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#include <ailego/container/reservoir.h>
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#include <gtest/gtest.h>
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using namespace zvec;
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TEST(Reservoir, General) {
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ailego::Reservoir<size_t> sampler(20);
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EXPECT_EQ(0u, sampler.pool().size());
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EXPECT_EQ(0u, sampler.total());
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EXPECT_EQ(20u, sampler.samples());
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for (size_t i = 0; i < sampler.samples(); ++i) {
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sampler.fill(i);
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}
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EXPECT_EQ(sampler.samples(), sampler.pool().size());
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EXPECT_EQ(sampler.samples(), sampler.total());
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for (size_t i = 0; i < sampler.pool().size(); ++i) {
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EXPECT_EQ(i, (sampler.pool())[i]);
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}
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for (size_t i = 0; i < 10000; ++i) {
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sampler.fill(i);
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}
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EXPECT_EQ(sampler.samples(), sampler.pool().size());
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EXPECT_EQ(10020u, sampler.total());
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for (auto it : sampler.pool()) {
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std::cout << it << ' ';
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}
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std::cout << std::endl;
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sampler.reset();
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EXPECT_EQ(0u, sampler.pool().size());
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EXPECT_EQ(0u, sampler.total());
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EXPECT_EQ(20u, sampler.samples());
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}
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