1 // SPDX-License-Identifier: Apache-2.0
2 // SPDX-FileCopyrightText: Copyright 2019 IBM Corporation
3
4 #include "extensions/openpower-pels/user_data.hpp"
5 #include "pel_utils.hpp"
6
7 #include <gtest/gtest.h>
8
9 using namespace openpower::pels;
10
11 std::vector<uint8_t> udSectionData{
12 0x55, 0x44, // ID 'UD'
13 0x00, 0x10, // Size
14 0x01, 0x02, // version, subtype
15 0x03, 0x04, // comp ID
16
17 // Data
18 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18};
19
TEST(UserDataTest,UnflattenFlattenTest)20 TEST(UserDataTest, UnflattenFlattenTest)
21 {
22 Stream stream(udSectionData);
23 UserData ud(stream);
24
25 EXPECT_TRUE(ud.valid());
26 EXPECT_EQ(ud.header().id, 0x5544);
27 EXPECT_EQ(ud.header().size, udSectionData.size());
28 EXPECT_EQ(ud.header().version, 0x01);
29 EXPECT_EQ(ud.header().subType, 0x02);
30 EXPECT_EQ(ud.header().componentID, 0x0304);
31
32 const auto& data = ud.data();
33
34 // The data itself starts after the header
35 EXPECT_EQ(data.size(), udSectionData.size() - 8);
36
37 for (size_t i = 0; i < data.size(); i++)
38 {
39 EXPECT_EQ(data[i], udSectionData[i + 8]);
40 }
41
42 // Now flatten
43 std::vector<uint8_t> newData;
44 Stream newStream(newData);
45 ud.flatten(newStream);
46
47 EXPECT_EQ(udSectionData, newData);
48 }
49
TEST(UserDataTest,BadDataTest)50 TEST(UserDataTest, BadDataTest)
51 {
52 auto data = udSectionData;
53 data.resize(4);
54
55 Stream stream(data);
56 UserData ud(stream);
57 EXPECT_FALSE(ud.valid());
58 }
59
TEST(UserDataTest,BadSizeFieldTest)60 TEST(UserDataTest, BadSizeFieldTest)
61 {
62 auto data = udSectionData;
63
64 {
65 data[3] = 0xFF; // Set the size field too large
66 Stream stream(data);
67 UserData ud(stream);
68 EXPECT_FALSE(ud.valid());
69 }
70 {
71 data[3] = 0x7; // Set the size field too small
72 Stream stream(data);
73 UserData ud(stream);
74 EXPECT_FALSE(ud.valid());
75 }
76 }
77
TEST(UserDataTest,ConstructorTest)78 TEST(UserDataTest, ConstructorTest)
79 {
80 std::vector<uint8_t> data{0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88};
81
82 UserData ud(0x1112, 0x42, 0x01, data);
83 EXPECT_TRUE(ud.valid());
84
85 EXPECT_EQ(ud.header().id, 0x5544);
86 EXPECT_EQ(ud.header().size, 16);
87 EXPECT_EQ(ud.header().version, 0x01);
88 EXPECT_EQ(ud.header().subType, 0x42);
89 EXPECT_EQ(ud.header().componentID, 0x1112);
90 EXPECT_EQ(ud.flattenedSize(), 16);
91
92 const auto& d = ud.data();
93
94 EXPECT_EQ(d, data);
95 }
96
TEST(UserDataTest,ShrinkTest)97 TEST(UserDataTest, ShrinkTest)
98 {
99 std::vector<uint8_t> data(100, 0xFF);
100
101 UserData ud(0x1112, 0x42, 0x01, data);
102 EXPECT_TRUE(ud.valid());
103
104 // 4B aligned
105 EXPECT_TRUE(ud.shrink(88));
106 EXPECT_EQ(ud.flattenedSize(), 88);
107 EXPECT_EQ(ud.header().size, 88);
108
109 // rounded off
110 EXPECT_TRUE(ud.shrink(87));
111 EXPECT_EQ(ud.flattenedSize(), 84);
112 EXPECT_EQ(ud.header().size, 84);
113
114 // too big
115 EXPECT_FALSE(ud.shrink(200));
116 EXPECT_EQ(ud.flattenedSize(), 84);
117 EXPECT_EQ(ud.header().size, 84);
118
119 // way too small
120 EXPECT_FALSE(ud.shrink(3));
121 EXPECT_EQ(ud.flattenedSize(), 84);
122 EXPECT_EQ(ud.header().size, 84);
123
124 // the smallest it can go
125 EXPECT_TRUE(ud.shrink(12));
126 EXPECT_EQ(ud.flattenedSize(), 12);
127 EXPECT_EQ(ud.header().size, 12);
128
129 // one too small
130 EXPECT_FALSE(ud.shrink(11));
131 EXPECT_EQ(ud.flattenedSize(), 12);
132 EXPECT_EQ(ud.header().size, 12);
133 }
134