1 /**
2  * Copyright © 2019 IBM Corporation
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 "extensions/openpower-pels/mru.hpp"
17 
18 #include <gtest/gtest.h>
19 
20 using namespace openpower::pels;
21 using namespace openpower::pels::src;
22 
23 TEST(MRUTest, TestConstructor)
24 {
25     std::vector<uint8_t> data{
26         'M',  'R',  0x28, 0x04, // ID, size, flags
27         0x00, 0x00, 0x00, 0x00, // Reserved
28         0x00, 0x00, 0x00, 'H',  // priority for MRU ID 0
29         0x01, 0x01, 0x01, 0x01, // MRU ID 0
30         0x00, 0x00, 0x00, 'M',  // priority for MRU ID 1
31         0x02, 0x02, 0x02, 0x02, // MRU ID 1
32         0x00, 0x00, 0x00, 'L',  // priority for MRU ID 2
33         0x03, 0x03, 0x03, 0x03, // MRU ID 2
34         0x00, 0x00, 0x00, 'H',  // priority for MRU ID 3
35         0x04, 0x04, 0x04, 0x04, // MRU ID 3
36     };
37 
38     Stream stream{data};
39 
40     MRU mru{stream};
41 
42     EXPECT_EQ(mru.flattenedSize(), data.size());
43     EXPECT_EQ(mru.mrus().size(), 4);
44 
45     EXPECT_EQ(mru.mrus().at(0).priority, 'H');
46     EXPECT_EQ(mru.mrus().at(0).id, 0x01010101);
47     EXPECT_EQ(mru.mrus().at(1).priority, 'M');
48     EXPECT_EQ(mru.mrus().at(1).id, 0x02020202);
49     EXPECT_EQ(mru.mrus().at(2).priority, 'L');
50     EXPECT_EQ(mru.mrus().at(2).id, 0x03030303);
51     EXPECT_EQ(mru.mrus().at(3).priority, 'H');
52     EXPECT_EQ(mru.mrus().at(3).id, 0x04040404);
53 
54     // Now flatten
55     std::vector<uint8_t> newData;
56     Stream newStream{newData};
57 
58     mru.flatten(newStream);
59     EXPECT_EQ(data, newData);
60 }
61 
62 TEST(MRUTest, TestBadData)
63 {
64     // 4 MRUs expected, but only 1
65     std::vector<uint8_t> data{
66         'M',  'R',  0x28, 0x04, // ID, size, flags
67         0x00, 0x00, 0x00, 0x00, // Reserved
68         0x00, 0x00, 0x00, 'H',  // priority 0
69         0x01, 0x01, 0x01, 0x01, // MRU ID 0
70     };
71 
72     Stream stream{data};
73     EXPECT_THROW(MRU mru{stream}, std::out_of_range);
74 }
75