+++ /dev/null
-/*
- * Copyright 2017 Facebook, Inc.
- *
- * 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
- *
- * http://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 <folly/SparseByteSet.h>
-
-#include <cstdint>
-#include <limits>
-#include <random>
-#include <set>
-
-#include <folly/portability/GTest.h>
-
-using namespace std;
-using namespace folly;
-
-namespace {
-
-class SparseByteSetTest : public testing::Test {
- protected:
- using lims = numeric_limits<uint8_t>;
- SparseByteSet s;
-};
-
-}
-
-TEST_F(SparseByteSetTest, empty) {
- for (auto c = lims::min(); c < lims::max(); ++c) {
- EXPECT_FALSE(s.contains(c));
- }
-}
-
-TEST_F(SparseByteSetTest, each) {
- for (auto c = lims::min(); c < lims::max(); ++c) {
- EXPECT_TRUE(s.add(c));
- EXPECT_TRUE(s.contains(c));
- }
- for (auto c = lims::min(); c < lims::max(); ++c) {
- EXPECT_FALSE(s.add(c));
- EXPECT_TRUE(s.contains(c));
- }
-}
-
-TEST_F(SparseByteSetTest, each_random) {
- mt19937 rng;
- uniform_int_distribution<uint16_t> dist{lims::min(), lims::max()};
- set<uint8_t> added;
- while (added.size() <= lims::max()) {
- auto c = uint8_t(dist(rng));
- EXPECT_EQ(added.count(c), s.contains(c));
- EXPECT_EQ(!added.count(c), s.add(c));
- added.insert(c);
- EXPECT_TRUE(added.count(c)); // sanity
- EXPECT_TRUE(s.contains(c));
- }
-}