2 * Copyright 2016 Facebook, Inc.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
17 #include <folly/test/DeterministicSchedule.h>
19 #include <gtest/gtest.h>
21 #include <folly/portability/GFlags.h>
23 using namespace folly::test;
25 TEST(DeterministicSchedule, uniform) {
26 auto p = DeterministicSchedule::uniform(0);
28 for (int i = 0; i < 100000; ++i) {
31 for (int i = 0; i < 10; ++i) {
32 EXPECT_TRUE(buckets[i] > 9000);
36 TEST(DeterministicSchedule, uniformSubset) {
37 auto ps = DeterministicSchedule::uniformSubset(0, 3, 100);
40 for (int i = 0; i < 100000; ++i) {
41 if (i > 0 && (i % 100) == 0) {
42 EXPECT_EQ(seen.size(), 3);
47 EXPECT_TRUE(seen.size() <= 3);
50 for (int i = 0; i < 10; ++i) {
51 EXPECT_TRUE(buckets[i] > 9000);
55 int main(int argc, char** argv) {
56 testing::InitGoogleTest(&argc, argv);
57 gflags::ParseCommandLineFlags(&argc, &argv, true);
58 return RUN_ALL_TESTS();