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Diffstat (limited to 'third_party/abseil_cpp/absl/random/generators_test.cc')
| -rw-r--r-- | third_party/abseil_cpp/absl/random/generators_test.cc | 179 |
1 files changed, 0 insertions, 179 deletions
diff --git a/third_party/abseil_cpp/absl/random/generators_test.cc b/third_party/abseil_cpp/absl/random/generators_test.cc deleted file mode 100644 index 41725f139c..0000000000 --- a/third_party/abseil_cpp/absl/random/generators_test.cc +++ /dev/null @@ -1,179 +0,0 @@ -// Copyright 2017 The Abseil Authors. -// -// Licensed under the Apache License, Version 2.0 (the "License"); -// you may not use this file except in compliance with the License. -// You may obtain a copy of the License at -// -// https://www.apache.org/licenses/LICENSE-2.0 -// -// Unless required by applicable law or agreed to in writing, software -// distributed under the License is distributed on an "AS IS" BASIS, -// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -// See the License for the specific language governing permissions and -// limitations under the License. - -#include <cstddef> -#include <cstdint> -#include <random> -#include <vector> - -#include "gtest/gtest.h" -#include "absl/random/distributions.h" -#include "absl/random/random.h" - -namespace { - -template <typename URBG> -void TestUniform(URBG* gen) { - // [a, b) default-semantics, inferred types. - absl::Uniform(*gen, 0, 100); // int - absl::Uniform(*gen, 0, 1.0); // Promoted to double - absl::Uniform(*gen, 0.0f, 1.0); // Promoted to double - absl::Uniform(*gen, 0.0, 1.0); // double - absl::Uniform(*gen, -1, 1L); // Promoted to long - - // Roll a die. - absl::Uniform(absl::IntervalClosedClosed, *gen, 1, 6); - - // Get a fraction. - absl::Uniform(absl::IntervalOpenOpen, *gen, 0.0, 1.0); - - // Assign a value to a random element. - std::vector<int> elems = {10, 20, 30, 40, 50}; - elems[absl::Uniform(*gen, 0u, elems.size())] = 5; - elems[absl::Uniform<size_t>(*gen, 0, elems.size())] = 3; - - // Choose some epsilon around zero. - absl::Uniform(absl::IntervalOpenOpen, *gen, -1.0, 1.0); - - // (a, b) semantics, inferred types. - absl::Uniform(absl::IntervalOpenOpen, *gen, 0, 1.0); // Promoted to double - - // Explict overriding of types. - absl::Uniform<int>(*gen, 0, 100); - absl::Uniform<int8_t>(*gen, 0, 100); - absl::Uniform<int16_t>(*gen, 0, 100); - absl::Uniform<uint16_t>(*gen, 0, 100); - absl::Uniform<int32_t>(*gen, 0, 1 << 10); - absl::Uniform<uint32_t>(*gen, 0, 1 << 10); - absl::Uniform<int64_t>(*gen, 0, 1 << 10); - absl::Uniform<uint64_t>(*gen, 0, 1 << 10); - - absl::Uniform<float>(*gen, 0.0, 1.0); - absl::Uniform<float>(*gen, 0, 1); - absl::Uniform<float>(*gen, -1, 1); - absl::Uniform<double>(*gen, 0.0, 1.0); - - absl::Uniform<float>(*gen, -1.0, 0); - absl::Uniform<double>(*gen, -1.0, 0); - - // Tagged - absl::Uniform<double>(absl::IntervalClosedClosed, *gen, 0, 1); - absl::Uniform<double>(absl::IntervalClosedOpen, *gen, 0, 1); - absl::Uniform<double>(absl::IntervalOpenOpen, *gen, 0, 1); - absl::Uniform<double>(absl::IntervalOpenClosed, *gen, 0, 1); - absl::Uniform<double>(absl::IntervalClosedClosed, *gen, 0, 1); - absl::Uniform<double>(absl::IntervalOpenOpen, *gen, 0, 1); - - absl::Uniform<int>(absl::IntervalClosedClosed, *gen, 0, 100); - absl::Uniform<int>(absl::IntervalClosedOpen, *gen, 0, 100); - absl::Uniform<int>(absl::IntervalOpenOpen, *gen, 0, 100); - absl::Uniform<int>(absl::IntervalOpenClosed, *gen, 0, 100); - absl::Uniform<int>(absl::IntervalClosedClosed, *gen, 0, 100); - absl::Uniform<int>(absl::IntervalOpenOpen, *gen, 0, 100); - - // With *generator as an R-value reference. - absl::Uniform<int>(URBG(), 0, 100); - absl::Uniform<double>(URBG(), 0.0, 1.0); -} - -template <typename URBG> -void TestExponential(URBG* gen) { - absl::Exponential<float>(*gen); - absl::Exponential<double>(*gen); - absl::Exponential<double>(URBG()); -} - -template <typename URBG> -void TestPoisson(URBG* gen) { - // [rand.dist.pois] Indicates that the std::poisson_distribution - // is parameterized by IntType, however MSVC does not allow 8-bit - // types. - absl::Poisson<int>(*gen); - absl::Poisson<int16_t>(*gen); - absl::Poisson<uint16_t>(*gen); - absl::Poisson<int32_t>(*gen); - absl::Poisson<uint32_t>(*gen); - absl::Poisson<int64_t>(*gen); - absl::Poisson<uint64_t>(*gen); - absl::Poisson<uint64_t>(URBG()); -} - -template <typename URBG> -void TestBernoulli(URBG* gen) { - absl::Bernoulli(*gen, 0.5); - absl::Bernoulli(*gen, 0.5); -} - -template <typename URBG> -void TestZipf(URBG* gen) { - absl::Zipf<int>(*gen, 100); - absl::Zipf<int8_t>(*gen, 100); - absl::Zipf<int16_t>(*gen, 100); - absl::Zipf<uint16_t>(*gen, 100); - absl::Zipf<int32_t>(*gen, 1 << 10); - absl::Zipf<uint32_t>(*gen, 1 << 10); - absl::Zipf<int64_t>(*gen, 1 << 10); - absl::Zipf<uint64_t>(*gen, 1 << 10); - absl::Zipf<uint64_t>(URBG(), 1 << 10); -} - -template <typename URBG> -void TestGaussian(URBG* gen) { - absl::Gaussian<float>(*gen, 1.0, 1.0); - absl::Gaussian<double>(*gen, 1.0, 1.0); - absl::Gaussian<double>(URBG(), 1.0, 1.0); -} - -template <typename URBG> -void TestLogNormal(URBG* gen) { - absl::LogUniform<int>(*gen, 0, 100); - absl::LogUniform<int8_t>(*gen, 0, 100); - absl::LogUniform<int16_t>(*gen, 0, 100); - absl::LogUniform<uint16_t>(*gen, 0, 100); - absl::LogUniform<int32_t>(*gen, 0, 1 << 10); - absl::LogUniform<uint32_t>(*gen, 0, 1 << 10); - absl::LogUniform<int64_t>(*gen, 0, 1 << 10); - absl::LogUniform<uint64_t>(*gen, 0, 1 << 10); - absl::LogUniform<uint64_t>(URBG(), 0, 1 << 10); -} - -template <typename URBG> -void CompatibilityTest() { - URBG gen; - - TestUniform(&gen); - TestExponential(&gen); - TestPoisson(&gen); - TestBernoulli(&gen); - TestZipf(&gen); - TestGaussian(&gen); - TestLogNormal(&gen); -} - -TEST(std_mt19937_64, Compatibility) { - // Validate with std::mt19937_64 - CompatibilityTest<std::mt19937_64>(); -} - -TEST(BitGen, Compatibility) { - // Validate with absl::BitGen - CompatibilityTest<absl::BitGen>(); -} - -TEST(InsecureBitGen, Compatibility) { - // Validate with absl::InsecureBitGen - CompatibilityTest<absl::InsecureBitGen>(); -} - -} // namespace |