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      1 /*
      2  * Copyright (C) 2014 The Android Open Source Project
      3  *
      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
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     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.
     15  */
     16 
     17 #include "bit_field.h"
     18 #include "globals.h"
     19 
     20 #include "gtest/gtest.h"
     21 
     22 namespace art {
     23 
     24 TEST(BitFields, Test1) {
     25   class TestBitFields : public BitField<int32_t, 1, 8> {};
     26   ASSERT_TRUE(TestBitFields::IsValid(16));
     27   ASSERT_TRUE(!TestBitFields::IsValid(256));
     28   ASSERT_EQ(0x00ffU, TestBitFields::Mask());
     29   ASSERT_EQ(0x001feU, TestBitFields::MaskInPlace());
     30   ASSERT_EQ(1, TestBitFields::Shift());
     31   ASSERT_EQ(8, TestBitFields::BitSize());
     32   ASSERT_EQ(32U, TestBitFields::Encode(16));
     33   ASSERT_EQ(16, TestBitFields::Decode(32));
     34   ASSERT_EQ(2U, TestBitFields::Update(1, 16));
     35 }
     36 
     37 }  // namespace art
     38