1 // Copyright 2024 The Pigweed Authors
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License"); you may not
4 // use this file except in compliance with the License. You may obtain a copy of
5 // the License at
6 //
7 // https://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
11 // WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
12 // License for the specific language governing permissions and limitations under
13 // the License.
14
15 #include "pw_bluetooth/emboss_util.h"
16
17 #include "pw_bluetooth/hci_test.emb.h"
18 #include "pw_unit_test/framework.h"
19
20 namespace pw::bluetooth::proxy {
21 namespace {
22
TEST(EmbossUtilTest,MakeEmbossViewFromSpan)23 TEST(EmbossUtilTest, MakeEmbossViewFromSpan) {
24 std::array<uint8_t, 4> buffer = {0x00, 0x01, 0x02, 0x03};
25 auto span = pw::span(buffer);
26 PW_TEST_ASSERT_OK_AND_ASSIGN(
27 auto view, MakeEmbossView<emboss::TestCommandPacketView>(span));
28 EXPECT_EQ(view.payload().Read(), 0x03);
29
30 PW_TEST_ASSERT_OK_AND_ASSIGN(
31 view,
32 MakeEmbossView<emboss::TestCommandPacketView>(span.data(), span.size()));
33 EXPECT_EQ(view.payload().Read(), 0x03);
34
35 auto failed_view =
36 MakeEmbossView<emboss::TestCommandPacketView>(span.subspan(1));
37 EXPECT_EQ(failed_view.status(), pw::Status::DataLoss());
38 }
39
TEST(EmbossUtilTest,MakeEmbossWriterFromSpan)40 TEST(EmbossUtilTest, MakeEmbossWriterFromSpan) {
41 std::array<uint8_t, 4> buffer = {0x00, 0x01, 0x02, 0x03};
42 auto span = pw::span(buffer);
43 PW_TEST_ASSERT_OK_AND_ASSIGN(
44 auto view, MakeEmbossWriter<emboss::TestCommandPacketWriter>(span));
45 EXPECT_EQ(view.payload().Read(), 0x03);
46
47 PW_TEST_ASSERT_OK_AND_ASSIGN(
48 view,
49 MakeEmbossWriter<emboss::TestCommandPacketWriter>(span.data(),
50 span.size()));
51 EXPECT_EQ(view.payload().Read(), 0x03);
52
53 auto failed_view =
54 MakeEmbossWriter<emboss::TestCommandPacketWriter>(span.subspan(1));
55 EXPECT_EQ(failed_view.status(), pw::Status::InvalidArgument());
56 }
57
TEST(CopyToEmbossTest,CopyArrayToEmboss)58 TEST(CopyToEmbossTest, CopyArrayToEmboss) {
59 std::array<uint8_t, 7> e_array = {0x00, 0x01, 0x02, 0x03};
60 auto e_span = pw::span(e_array);
61 PW_TEST_ASSERT_OK_AND_ASSIGN(
62 emboss::TestCommandPacketWithArrayPayloadWriter e_view,
63 MakeEmbossWriter<emboss::TestCommandPacketWithArrayPayloadWriter>(
64 e_span));
65
66 std::array<uint8_t, 4> t1_array = {33, 71, 24, 91};
67
68 UncheckedCopyToEmbossStruct(e_view.payload(), t1_array);
69 EXPECT_TRUE(std::equal(e_view.payload().BackingStorage().begin(),
70 e_view.payload().BackingStorage().end(),
71 t1_array.begin(),
72 t1_array.end()));
73 }
74
TEST(CopyToEmbossTest,CopySpanToEmboss)75 TEST(CopyToEmbossTest, CopySpanToEmboss) {
76 std::array<uint8_t, 7> e_array = {0x00, 0x01, 0x02, 0x03};
77 PW_TEST_ASSERT_OK_AND_ASSIGN(
78 emboss::TestCommandPacketWithArrayPayloadWriter e_view,
79 MakeEmbossWriter<emboss::TestCommandPacketWithArrayPayloadWriter>(
80 pw::span{e_array}));
81
82 std::array<uint8_t, 4> t1_array = {33, 71, 24, 91};
83
84 UncheckedCopyToEmbossStruct(e_view.payload(), pw::span(t1_array));
85 EXPECT_TRUE(std::equal(e_view.payload().BackingStorage().begin(),
86 e_view.payload().BackingStorage().end(),
87 t1_array.begin(),
88 t1_array.end()));
89 }
90
TEST(CopyToEmbossTest,CopySmallerToEmboss)91 TEST(CopyToEmbossTest, CopySmallerToEmboss) {
92 std::array<uint8_t, 7> e_array = {0x00, 0x01, 0x02, 0x03};
93 PW_TEST_ASSERT_OK_AND_ASSIGN(
94 emboss::TestCommandPacketWithArrayPayloadWriter e_view,
95 MakeEmbossWriter<emboss::TestCommandPacketWithArrayPayloadWriter>(
96 pw::span{e_array}));
97
98 std::array<uint8_t, 2> t1_array = {33, 71};
99
100 UncheckedCopyToEmbossStruct(e_view.payload(), t1_array);
101 EXPECT_TRUE(
102 std::equal(e_view.payload().BackingStorage().begin(),
103 e_view.payload().BackingStorage().begin() + t1_array.size(),
104 t1_array.begin(),
105 t1_array.end()));
106 }
107
TEST(CopyToEmbossTest,CopyEmptyToEmboss)108 TEST(CopyToEmbossTest, CopyEmptyToEmboss) {
109 std::array<uint8_t, 7> e_array = {0x00, 0x01, 0x02, 0x03};
110 PW_TEST_ASSERT_OK_AND_ASSIGN(
111 emboss::TestCommandPacketWithArrayPayloadWriter e_view,
112 MakeEmbossWriter<emboss::TestCommandPacketWithArrayPayloadWriter>(
113 pw::span{e_array}));
114
115 std::array<uint8_t, 0> t1_array = {};
116
117 UncheckedCopyToEmbossStruct(e_view.payload(), t1_array);
118 // Emboss view's underlying array is unchanged.
119 EXPECT_TRUE(std::equal(e_view.BackingStorage().begin(),
120 e_view.BackingStorage().end(),
121 e_array.begin(),
122 e_array.end()));
123 }
124
TEST(CopyToEmbossTest,TryToCopyEmptyToEmboss)125 TEST(CopyToEmbossTest, TryToCopyEmptyToEmboss) {
126 std::array<uint8_t, 7> e_array = {0x00, 0x01, 0x02, 0x03};
127 PW_TEST_ASSERT_OK_AND_ASSIGN(
128 emboss::TestCommandPacketWithArrayPayloadWriter e_view,
129 MakeEmbossWriter<emboss::TestCommandPacketWithArrayPayloadWriter>(
130 pw::span{e_array}));
131
132 std::array<uint8_t, 0> t1_array = {};
133
134 EXPECT_TRUE(TryToCopyToEmbossStruct(e_view.payload(), t1_array));
135 // Emboss view's underlying array is unchanged.
136 EXPECT_TRUE(std::equal(e_view.BackingStorage().begin(),
137 e_view.BackingStorage().end(),
138 e_array.begin(),
139 e_array.end()));
140 }
141
TEST(CopyToEmbossTest,TryToCopyToEmboss)142 TEST(CopyToEmbossTest, TryToCopyToEmboss) {
143 std::array<uint8_t, 7> e_array = {0x00, 0x01, 0x02, 0x03};
144 PW_TEST_ASSERT_OK_AND_ASSIGN(
145 emboss::TestCommandPacketWithArrayPayloadWriter e_view,
146 MakeEmbossWriter<emboss::TestCommandPacketWithArrayPayloadWriter>(
147 pw::span{e_array}));
148
149 std::array<uint8_t, 4> t1_array = {33, 71, 24, 91};
150
151 EXPECT_TRUE(TryToCopyToEmbossStruct(e_view.payload(), t1_array));
152 EXPECT_TRUE(std::equal(e_view.payload().BackingStorage().begin(),
153 e_view.payload().BackingStorage().end(),
154 t1_array.begin(),
155 t1_array.end()));
156 }
157
TEST(CopyToEmbossTest,TryToCopyTooLargeToEmboss)158 TEST(CopyToEmbossTest, TryToCopyTooLargeToEmboss) {
159 std::array<uint8_t, 7> e_array = {0x00, 0x01, 0x02, 0x03};
160 PW_TEST_ASSERT_OK_AND_ASSIGN(
161 emboss::TestCommandPacketWithArrayPayloadWriter e_view,
162 MakeEmbossWriter<emboss::TestCommandPacketWithArrayPayloadWriter>(
163 pw::span{e_array}));
164
165 std::array<uint8_t, 5> t1_array = {33, 71, 24, 91, 99};
166
167 EXPECT_FALSE(TryToCopyToEmbossStruct(e_view.payload(), t1_array));
168 // Emboss view's underlying array is unchanged.
169 EXPECT_TRUE(std::equal(e_view.BackingStorage().begin(),
170 e_view.BackingStorage().end(),
171 e_array.begin(),
172 e_array.end()));
173 }
174
TEST(CopyToEmbossTest,TryToCopyToIncompleteEmboss)175 TEST(CopyToEmbossTest, TryToCopyToIncompleteEmboss) {
176 std::array<uint8_t, 6> e_array = {0x00, 0x01, 0x02, 0x03};
177 emboss::TestCommandPacketWithArrayPayloadWriter e_view{e_array.data(),
178 e_array.size()};
179
180 std::array<uint8_t, 5> t1_array = {33, 71, 24, 91, 99};
181
182 EXPECT_FALSE(TryToCopyToEmbossStruct(e_view.payload(), t1_array));
183 // Emboss view's underlying array is unchanged.
184 EXPECT_TRUE(std::equal(e_view.BackingStorage().begin(),
185 e_view.BackingStorage().end(),
186 e_array.begin(),
187 e_array.end()));
188 }
189
190 } // namespace
191 } // namespace pw::bluetooth::proxy
192