| // Copyright 2023 The Pigweed 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 "bitops.h" |
| |
| #include "gtest/gtest.h" |
| |
| namespace bitops { |
| namespace { |
| |
| TEST(Bitops, SomeOnes) { ASSERT_EQ(CountOnes(1), 1); } |
| |
| TEST(Bitops, MoreOnes) { ASSERT_EQ(CountOnes(0x0f), 4); } |
| |
| TEST(Bitops, EvenMoreOnes) { ASSERT_EQ(CountOnes(0b11100101), 5); } |
| |
| TEST(Bitops, NoOnes) { ASSERT_EQ(CountOnes(0), 0); } |
| |
| } // namespace |
| } // namespace bitops |
