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/user_data.hpp"
17 #include "pel_utils.hpp"
18
19 #include <gtest/gtest.h>
20
21 using namespace openpower::pels;
22
23 std::vector<uint8_t> udSectionData{0x55, 0x44, // ID 'UD'
24 0x00, 0x10, // Size
25 0x01, 0x02, // version, subtype
26 0x03, 0x04, // comp ID
27
28 // Data
29 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
30 0x18};
31
TEST(UserDataTest,UnflattenFlattenTest)32 TEST(UserDataTest, UnflattenFlattenTest)
33 {
34 Stream stream(udSectionData);
35 UserData ud(stream);
36
37 EXPECT_TRUE(ud.valid());
38 EXPECT_EQ(ud.header().id, 0x5544);
39 EXPECT_EQ(ud.header().size, udSectionData.size());
40 EXPECT_EQ(ud.header().version, 0x01);
41 EXPECT_EQ(ud.header().subType, 0x02);
42 EXPECT_EQ(ud.header().componentID, 0x0304);
43
44 const auto& data = ud.data();
45
46 // The data itself starts after the header
47 EXPECT_EQ(data.size(), udSectionData.size() - 8);
48
49 for (size_t i = 0; i < data.size(); i++)
50 {
51 EXPECT_EQ(data[i], udSectionData[i + 8]);
52 }
53
54 // Now flatten
55 std::vector<uint8_t> newData;
56 Stream newStream(newData);
57 ud.flatten(newStream);
58
59 EXPECT_EQ(udSectionData, newData);
60 }
61
TEST(UserDataTest,BadDataTest)62 TEST(UserDataTest, BadDataTest)
63 {
64 auto data = udSectionData;
65 data.resize(4);
66
67 Stream stream(data);
68 UserData ud(stream);
69 EXPECT_FALSE(ud.valid());
70 }
71
TEST(UserDataTest,BadSizeFieldTest)72 TEST(UserDataTest, BadSizeFieldTest)
73 {
74 auto data = udSectionData;
75
76 {
77 data[3] = 0xFF; // Set the size field too large
78 Stream stream(data);
79 UserData ud(stream);
80 EXPECT_FALSE(ud.valid());
81 }
82 {
83 data[3] = 0x7; // Set the size field too small
84 Stream stream(data);
85 UserData ud(stream);
86 EXPECT_FALSE(ud.valid());
87 }
88 }
89
TEST(UserDataTest,ConstructorTest)90 TEST(UserDataTest, ConstructorTest)
91 {
92 std::vector<uint8_t> data{0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88};
93
94 UserData ud(0x1112, 0x42, 0x01, data);
95 EXPECT_TRUE(ud.valid());
96
97 EXPECT_EQ(ud.header().id, 0x5544);
98 EXPECT_EQ(ud.header().size, 16);
99 EXPECT_EQ(ud.header().version, 0x01);
100 EXPECT_EQ(ud.header().subType, 0x42);
101 EXPECT_EQ(ud.header().componentID, 0x1112);
102 EXPECT_EQ(ud.flattenedSize(), 16);
103
104 const auto& d = ud.data();
105
106 EXPECT_EQ(d, data);
107 }
108
TEST(UserDataTest,ShrinkTest)109 TEST(UserDataTest, ShrinkTest)
110 {
111 std::vector<uint8_t> data(100, 0xFF);
112
113 UserData ud(0x1112, 0x42, 0x01, data);
114 EXPECT_TRUE(ud.valid());
115
116 // 4B aligned
117 EXPECT_TRUE(ud.shrink(88));
118 EXPECT_EQ(ud.flattenedSize(), 88);
119 EXPECT_EQ(ud.header().size, 88);
120
121 // rounded off
122 EXPECT_TRUE(ud.shrink(87));
123 EXPECT_EQ(ud.flattenedSize(), 84);
124 EXPECT_EQ(ud.header().size, 84);
125
126 // too big
127 EXPECT_FALSE(ud.shrink(200));
128 EXPECT_EQ(ud.flattenedSize(), 84);
129 EXPECT_EQ(ud.header().size, 84);
130
131 // way too small
132 EXPECT_FALSE(ud.shrink(3));
133 EXPECT_EQ(ud.flattenedSize(), 84);
134 EXPECT_EQ(ud.header().size, 84);
135
136 // the smallest it can go
137 EXPECT_TRUE(ud.shrink(12));
138 EXPECT_EQ(ud.flattenedSize(), 12);
139 EXPECT_EQ(ud.header().size, 12);
140
141 // one too small
142 EXPECT_FALSE(ud.shrink(11));
143 EXPECT_EQ(ud.flattenedSize(), 12);
144 EXPECT_EQ(ud.header().size, 12);
145 }
146