1 /**
2 * Copyright 2019 Huawei Technologies Co., Ltd
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 #include "minddata/dataset/include/dataset/constants.h"
17 #include "common/common.h"
18
19 using namespace mindspore::dataset;
20
21 class MindDataTestBits : public UT::Common {
22 public:
MindDataTestBits()23 MindDataTestBits() {}
24 };
25
26
TEST_F(MindDataTestBits,Basics)27 TEST_F(MindDataTestBits, Basics) {
28 uint32_t x = 0; // 00000
29 BitSet(&x, 16); // 10000
30
31 ASSERT_TRUE(BitTest(x, 16)); // 10000
32 ASSERT_FALSE(BitTest(x, 1)); // 00001
33 ASSERT_FALSE(BitTest(x, 17)); // 10001 is failing
34
35
36 BitSet(&x, 1); // 10001
37 ASSERT_TRUE(BitTest(x, 16)); // 10000
38 ASSERT_TRUE(BitTest(x, 1)); // 00001
39 ASSERT_TRUE(BitTest(x, 17)); // 10001 is failing
40
41 BitClear(&x, 16); // 00001
42 ASSERT_FALSE(BitTest(x, 16)); // 10000
43 ASSERT_TRUE(BitTest(x, 1)); // 00001
44 // ASSERT_FALSE(BitTest(x, 17)); // 10001 is failing
45
46 BitSet(&x, 31); // 11111
47 for (uint32_t i = 1; i < 32; i++) {
48 ASSERT_TRUE(BitTest(x, i));
49 }
50 BitClear(&x, 31); // 00000
51 for (uint32_t i = 1; i < 32; i++) {
52 ASSERT_FALSE(BitTest(x, i));
53 }
54 }
55