1 /*
2  * Copyright (C) 2018 The Android Open Source Project
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 
17 // TODO(b/129481165): remove the #pragma below and fix conversion issues
18 #pragma clang diagnostic push
19 #pragma clang diagnostic ignored "-Wextra"
20 
21 #include <functional>
22 #include <string_view>
23 
24 #include <ftl/hash.h>
25 #include <gmock/gmock.h>
26 #include <gtest/gtest.h>
27 #include <ui/DisplayIdentification.h>
28 
29 using ::testing::ElementsAre;
30 
31 namespace android {
32 
33 namespace {
34 
35 const unsigned char kInternalEdid[] =
36         "\x00\xff\xff\xff\xff\xff\xff\x00\x4c\xa3\x42\x31\x00\x00\x00\x00"
37         "\x00\x15\x01\x03\x80\x1a\x10\x78\x0a\xd3\xe5\x95\x5c\x60\x90\x27"
38         "\x19\x50\x54\x00\x00\x00\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01"
39         "\x01\x01\x01\x01\x01\x01\x9e\x1b\x00\xa0\x50\x20\x12\x30\x10\x30"
40         "\x13\x00\x05\xa3\x10\x00\x00\x19\x00\x00\x00\x0f\x00\x00\x00\x00"
41         "\x00\x00\x00\x00\x00\x23\x87\x02\x64\x00\x00\x00\x00\xfe\x00\x53"
42         "\x41\x4d\x53\x55\x4e\x47\x0a\x20\x20\x20\x20\x20\x00\x00\x00\xfe"
43         "\x00\x31\x32\x31\x41\x54\x31\x31\x2d\x38\x30\x31\x0a\x20\x00\x45";
44 
45 const unsigned char kExternalEdid[] =
46         "\x00\xff\xff\xff\xff\xff\xff\x00\x22\xf0\x6c\x28\x01\x01\x01\x01"
47         "\x02\x16\x01\x04\xb5\x40\x28\x78\xe2\x8d\x85\xad\x4f\x35\xb1\x25"
48         "\x0e\x50\x54\x00\x00\x00\x01\x01\x01\x01\x01\x01\x01\x01\x01\x01"
49         "\x01\x01\x01\x01\x01\x01\xe2\x68\x00\xa0\xa0\x40\x2e\x60\x30\x20"
50         "\x36\x00\x81\x90\x21\x00\x00\x1a\xbc\x1b\x00\xa0\x50\x20\x17\x30"
51         "\x30\x20\x36\x00\x81\x90\x21\x00\x00\x1a\x00\x00\x00\xfc\x00\x48"
52         "\x50\x20\x5a\x52\x33\x30\x77\x0a\x20\x20\x20\x20\x00\x00\x00\xff"
53         "\x00\x43\x4e\x34\x32\x30\x32\x31\x33\x37\x51\x0a\x20\x20\x00\x71";
54 
55 // Extended EDID with timing extension.
56 const unsigned char kExternalEedid[] =
57         "\x00\xff\xff\xff\xff\xff\xff\x00\x4c\x2d\xfe\x08\x00\x00\x00\x00"
58         "\x29\x15\x01\x03\x80\x10\x09\x78\x0a\xee\x91\xa3\x54\x4c\x99\x26"
59         "\x0f\x50\x54\xbd\xef\x80\x71\x4f\x81\xc0\x81\x00\x81\x80\x95\x00"
60         "\xa9\xc0\xb3\x00\x01\x01\x02\x3a\x80\x18\x71\x38\x2d\x40\x58\x2c"
61         "\x45\x00\xa0\x5a\x00\x00\x00\x1e\x66\x21\x56\xaa\x51\x00\x1e\x30"
62         "\x46\x8f\x33\x00\xa0\x5a\x00\x00\x00\x1e\x00\x00\x00\xfd\x00\x18"
63         "\x4b\x0f\x51\x17\x00\x0a\x20\x20\x20\x20\x20\x20\x00\x00\x00\xfc"
64         "\x00\x53\x41\x4d\x53\x55\x4e\x47\x0a\x20\x20\x20\x20\x20\x01\x1d"
65         "\x02\x03\x1f\xf1\x47\x90\x04\x05\x03\x20\x22\x07\x23\x09\x07\x07"
66         "\x83\x01\x00\x00\xe2\x00\x0f\x67\x03\x0c\x00\x20\x00\xb8\x2d\x01"
67         "\x1d\x80\x18\x71\x1c\x16\x20\x58\x2c\x25\x00\xa0\x5a\x00\x00\x00"
68         "\x9e\x01\x1d\x00\x72\x51\xd0\x1e\x20\x6e\x28\x55\x00\xa0\x5a\x00"
69         "\x00\x00\x1e\x8c\x0a\xd0\x8a\x20\xe0\x2d\x10\x10\x3e\x96\x00\xa0"
70         "\x5a\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
71         "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
72         "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xc6";
73 
74 const unsigned char kPanasonicTvEdid[] =
75         "\x00\xff\xff\xff\xff\xff\xff\x00\x34\xa9\x96\xa2\x01\x01\x01"
76         "\x01\x00\x1d\x01\x03\x80\x80\x48\x78\x0a\xda\xff\xa3\x58\x4a"
77         "\xa2\x29\x17\x49\x4b\x20\x08\x00\x31\x40\x61\x40\x01\x01\x01"
78         "\x01\x01\x01\x01\x01\x01\x01\x01\x01\x08\xe8\x00\x30\xf2\x70"
79         "\x5a\x80\xb0\x58\x8a\x00\xba\x88\x21\x00\x00\x1e\x02\x3a\x80"
80         "\x18\x71\x38\x2d\x40\x58\x2c\x45\x00\xba\x88\x21\x00\x00\x1e"
81         "\x00\x00\x00\xfc\x00\x50\x61\x6e\x61\x73\x6f\x6e\x69\x63\x2d"
82         "\x54\x56\x0a\x00\x00\x00\xfd\x00\x17\x3d\x0f\x88\x3c\x00\x0a"
83         "\x20\x20\x20\x20\x20\x20\x01\x1d\x02\x03\x6b\xf0\x57\x61\x60"
84         "\x10\x1f\x66\x65\x05\x14\x20\x21\x22\x04\x13\x03\x12\x07\x16"
85         "\x5d\x5e\x5f\x62\x63\x64\x2c\x0d\x07\x01\x15\x07\x50\x57\x07"
86         "\x01\x67\x04\x03\x83\x0f\x00\x00\x6e\x03\x0c\x00\x20\x00\x38"
87         "\x3c\x2f\x08\x80\x01\x02\x03\x04\x67\xd8\x5d\xc4\x01\x78\x80"
88         "\x03\xe2\x00\x4b\xe3\x05\xff\x01\xe2\x0f\x33\xe3\x06\x0f\x01"
89         "\xe5\x01\x8b\x84\x90\x01\xeb\x01\x46\xd0\x00\x44\x03\x70\x80"
90         "\x5e\x75\x94\xe6\x11\x46\xd0\x00\x70\x00\x66\x21\x56\xaa\x51"
91         "\x00\x1e\x30\x46\x8f\x33\x00\xba\x88\x21\x00\x00\x1e\x00\x00"
92         "\xc8";
93 
94 const unsigned char kHisenseTvEdid[] =
95         "\x00\xff\xff\xff\xff\xff\xff\x00\x20\xa3\x00\x00\x00\x00\x00"
96         "\x00\x12\x1d\x01\x03\x80\x00\x00\x78\x0a\xd7\xa5\xa2\x59\x4a"
97         "\x96\x24\x14\x50\x54\xa3\x08\x00\xd1\xc0\xb3\x00\x81\x00\x81"
98         "\x80\x81\x40\x81\xc0\x01\x01\x01\x01\x02\x3a\x80\x18\x71\x38"
99         "\x2d\x40\x58\x2c\x45\x00\x3f\x43\x21\x00\x00\x1a\x02\x3a\x80"
100         "\x18\x71\x38\x2d\x40\x58\x2c\x45\x00\x3f\x43\x21\x00\x00\x1a"
101         "\x00\x00\x00\xfd\x00\x1e\x4c\x1e\x5a\x1e\x00\x0a\x20\x20\x20"
102         "\x20\x20\x20\x00\x00\x00\xfc\x00\x48\x69\x73\x65\x6e\x73\x65"
103         "\x0a\x20\x20\x20\x20\x20\x01\x47\x02\x03\x2d\x71\x50\x90\x05"
104         "\x04\x03\x07\x02\x06\x01\x1f\x14\x13\x12\x16\x11\x15\x20\x2c"
105         "\x09\x07\x03\x15\x07\x50\x57\x07\x00\x39\x07\xbb\x66\x03\x0c"
106         "\x00\x12\x34\x00\x83\x01\x00\x00\x01\x1d\x00\x72\x51\xd0\x1e"
107         "\x20\x6e\x28\x55\x00\xc4\x8e\x21\x00\x00\x1e\x01\x1d\x80\x18"
108         "\x71\x1c\x16\x20\x58\x2c\x25\x00\xc4\x8e\x21\x00\x00\x9e\x8c"
109         "\x0a\xd0\x8a\x20\xe0\x2d\x10\x10\x3e\x96\x00\x13\x8e\x21\x00"
110         "\x00\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
111         "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
112         "\x07";
113 
114 const unsigned char kCtlDisplayEdid[] =
115         "\x00\xff\xff\xff\xff\xff\xff\x00\x0e\x8c\x9d\x24\x00\x00\x00\x00"
116         "\xff\x17\x01\x04\xa5\x34\x1d\x78\x3a\xa7\x25\xa4\x57\x51\xa0\x26"
117         "\x10\x50\x54\xbf\xef\x80\xb3\x00\xa9\x40\x95\x00\x81\x40\x81\x80"
118         "\x95\x0f\x71\x4f\x90\x40\x02\x3a\x80\x18\x71\x38\x2d\x40\x58\x2c"
119         "\x45\x00\x09\x25\x21\x00\x00\x1e\x66\x21\x50\xb0\x51\x00\x1b\x30"
120         "\x40\x70\x36\x00\x09\x25\x21\x00\x00\x1e\x00\x00\x00\xfd\x00\x31"
121         "\x4c\x1e\x52\x14\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xfc"
122         "\x00\x4c\x50\x32\x33\x36\x31\x0a\x20\x20\x20\x20\x20\x20\x01\x3e"
123         "\x02\x03\x22\xf2\x4f\x90\x9f\x05\x14\x04\x13\x03\x02\x12\x11\x07"
124         "\x06\x16\x15\x01\x23\x09\x07\x07\x83\x01\x00\x00\x65\xb9\x14\x00"
125         "\x04\x00\x02\x3a\x80\x18\x71\x38\x2d\x40\x58\x2c\x45\x00\x09\x25"
126         "\x21\x00\x00\x1e\x02\x3a\x80\xd0\x72\x38\x2d\x40\x10\x2c\x45\x80"
127         "\x09\x25\x21\x00\x00\x1e\x01\x1d\x00\x72\x51\xd0\x1e\x20\x6e\x28"
128         "\x55\x00\x09\x25\x21\x00\x00\x1e\x8c\x0a\xd0\x8a\x20\xe0\x2d\x10"
129         "\x10\x3e\x96\x00\x09\x25\x21\x00\x00\x18\x00\x00\x00\x00\x00\x00"
130         "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xf4";
131 
132 template <size_t N>
asDisplayIdentificationData(const unsigned char (& bytes)[N])133 DisplayIdentificationData asDisplayIdentificationData(const unsigned char (&bytes)[N]) {
134     return DisplayIdentificationData(bytes, bytes + N - 1);
135 }
136 
hash(const char * str)137 uint32_t hash(const char* str) {
138     return static_cast<uint32_t>(*ftl::stable_hash(str));
139 }
140 
141 } // namespace
142 
getInternalEdid()143 const DisplayIdentificationData& getInternalEdid() {
144     static const DisplayIdentificationData data = asDisplayIdentificationData(kInternalEdid);
145     return data;
146 }
147 
getExternalEdid()148 const DisplayIdentificationData& getExternalEdid() {
149     static const DisplayIdentificationData data = asDisplayIdentificationData(kExternalEdid);
150     return data;
151 }
152 
getExternalEedid()153 const DisplayIdentificationData& getExternalEedid() {
154     static const DisplayIdentificationData data = asDisplayIdentificationData(kExternalEedid);
155     return data;
156 }
157 
getPanasonicTvEdid()158 const DisplayIdentificationData& getPanasonicTvEdid() {
159     static const DisplayIdentificationData data = asDisplayIdentificationData(kPanasonicTvEdid);
160     return data;
161 }
162 
getHisenseTvEdid()163 const DisplayIdentificationData& getHisenseTvEdid() {
164     static const DisplayIdentificationData data = asDisplayIdentificationData(kHisenseTvEdid);
165     return data;
166 }
167 
getCtlDisplayEdid()168 const DisplayIdentificationData& getCtlDisplayEdid() {
169     static const DisplayIdentificationData data = asDisplayIdentificationData(kCtlDisplayEdid);
170     return data;
171 }
172 
TEST(DisplayIdentificationTest,isEdid)173 TEST(DisplayIdentificationTest, isEdid) {
174     EXPECT_FALSE(isEdid({}));
175 
176     EXPECT_TRUE(isEdid(getInternalEdid()));
177     EXPECT_TRUE(isEdid(getExternalEdid()));
178     EXPECT_TRUE(isEdid(getExternalEedid()));
179     EXPECT_TRUE(isEdid(getPanasonicTvEdid()));
180     EXPECT_TRUE(isEdid(getHisenseTvEdid()));
181     EXPECT_TRUE(isEdid(getCtlDisplayEdid()));
182 }
183 
TEST(DisplayIdentificationTest,parseEdid)184 TEST(DisplayIdentificationTest, parseEdid) {
185     auto edid = parseEdid(getInternalEdid());
186     ASSERT_TRUE(edid);
187     EXPECT_EQ(0x4ca3u, edid->manufacturerId);
188     EXPECT_STREQ("SEC", edid->pnpId.data());
189     // ASCII text should be used as fallback if display name and serial number are missing.
190     EXPECT_EQ(hash("121AT11-801"), edid->modelHash);
191     EXPECT_EQ(hash("121AT11-801"), 626564263);
192     EXPECT_TRUE(edid->displayName.empty());
193     EXPECT_EQ(12610, edid->productId);
194     EXPECT_EQ(21, edid->manufactureOrModelYear);
195     EXPECT_EQ(0, edid->manufactureWeek);
196     EXPECT_FALSE(edid->cea861Block);
197 
198     edid = parseEdid(getExternalEdid());
199     ASSERT_TRUE(edid);
200     EXPECT_EQ(0x22f0u, edid->manufacturerId);
201     EXPECT_STREQ("HWP", edid->pnpId.data());
202     EXPECT_EQ(hash("HP ZR30w"), edid->modelHash);
203     EXPECT_EQ(hash("HP ZR30w"), 918492362);
204     EXPECT_EQ("HP ZR30w", edid->displayName);
205     EXPECT_EQ(10348, edid->productId);
206     EXPECT_EQ(22, edid->manufactureOrModelYear);
207     EXPECT_EQ(2, edid->manufactureWeek);
208     EXPECT_FALSE(edid->cea861Block);
209 
210     edid = parseEdid(getExternalEedid());
211     ASSERT_TRUE(edid);
212     EXPECT_EQ(0x4c2du, edid->manufacturerId);
213     EXPECT_STREQ("SAM", edid->pnpId.data());
214     EXPECT_EQ(hash("SAMSUNG"), edid->modelHash);
215     EXPECT_EQ(hash("SAMSUNG"), 1201368132);
216     EXPECT_EQ("SAMSUNG", edid->displayName);
217     EXPECT_EQ(2302, edid->productId);
218     EXPECT_EQ(21, edid->manufactureOrModelYear);
219     EXPECT_EQ(41, edid->manufactureWeek);
220     ASSERT_TRUE(edid->cea861Block);
221     ASSERT_TRUE(edid->cea861Block->hdmiVendorDataBlock);
222     auto physicalAddress = edid->cea861Block->hdmiVendorDataBlock->physicalAddress;
223     EXPECT_EQ(2, physicalAddress.a);
224     EXPECT_EQ(0, physicalAddress.b);
225     EXPECT_EQ(0, physicalAddress.c);
226     EXPECT_EQ(0, physicalAddress.d);
227 
228     edid = parseEdid(getPanasonicTvEdid());
229     ASSERT_TRUE(edid);
230     EXPECT_EQ(13481, edid->manufacturerId);
231     EXPECT_STREQ("MEI", edid->pnpId.data());
232     EXPECT_EQ(hash("Panasonic-TV"), edid->modelHash);
233     EXPECT_EQ(hash("Panasonic-TV"), 3876373262);
234     EXPECT_EQ("Panasonic-TV", edid->displayName);
235     EXPECT_EQ(41622, edid->productId);
236     EXPECT_EQ(29, edid->manufactureOrModelYear);
237     EXPECT_EQ(0, edid->manufactureWeek);
238     ASSERT_TRUE(edid->cea861Block);
239     ASSERT_TRUE(edid->cea861Block->hdmiVendorDataBlock);
240     physicalAddress = edid->cea861Block->hdmiVendorDataBlock->physicalAddress;
241     EXPECT_EQ(2, physicalAddress.a);
242     EXPECT_EQ(0, physicalAddress.b);
243     EXPECT_EQ(0, physicalAddress.c);
244     EXPECT_EQ(0, physicalAddress.d);
245 
246     edid = parseEdid(getHisenseTvEdid());
247     ASSERT_TRUE(edid);
248     EXPECT_EQ(8355, edid->manufacturerId);
249     EXPECT_STREQ("HEC", edid->pnpId.data());
250     EXPECT_EQ(hash("Hisense"), edid->modelHash);
251     EXPECT_EQ(hash("Hisense"), 2859844809);
252     EXPECT_EQ("Hisense", edid->displayName);
253     EXPECT_EQ(0, edid->productId);
254     EXPECT_EQ(29, edid->manufactureOrModelYear);
255     EXPECT_EQ(18, edid->manufactureWeek);
256     ASSERT_TRUE(edid->cea861Block);
257     ASSERT_TRUE(edid->cea861Block->hdmiVendorDataBlock);
258     physicalAddress = edid->cea861Block->hdmiVendorDataBlock->physicalAddress;
259     EXPECT_EQ(1, physicalAddress.a);
260     EXPECT_EQ(2, physicalAddress.b);
261     EXPECT_EQ(3, physicalAddress.c);
262     EXPECT_EQ(4, physicalAddress.d);
263 
264     edid = parseEdid(getCtlDisplayEdid());
265     ASSERT_TRUE(edid);
266     EXPECT_EQ(3724, edid->manufacturerId);
267     EXPECT_STREQ("CTL", edid->pnpId.data());
268     EXPECT_EQ(hash("LP2361"), edid->modelHash);
269     EXPECT_EQ(hash("LP2361"), 1523181158);
270     EXPECT_EQ("LP2361", edid->displayName);
271     EXPECT_EQ(9373, edid->productId);
272     EXPECT_EQ(23, edid->manufactureOrModelYear);
273     EXPECT_EQ(0xff, edid->manufactureWeek);
274     ASSERT_TRUE(edid->cea861Block);
275     EXPECT_FALSE(edid->cea861Block->hdmiVendorDataBlock);
276 }
277 
TEST(DisplayIdentificationTest,parseInvalidEdid)278 TEST(DisplayIdentificationTest, parseInvalidEdid) {
279     EXPECT_FALSE(isEdid({}));
280     EXPECT_FALSE(parseEdid({}));
281 
282     // Display name must be printable.
283     auto data = getExternalEdid();
284     data[97] = '\x1b';
285     auto edid = parseEdid(data);
286     ASSERT_TRUE(edid);
287     // Serial number should be used as fallback if display name is invalid.
288     const auto modelHash = hash("CN4202137Q");
289     EXPECT_EQ(modelHash, edid->modelHash);
290     EXPECT_EQ(modelHash, 3582951527);
291     EXPECT_TRUE(edid->displayName.empty());
292 
293     // Parsing should succeed even if EDID is truncated.
294     data.pop_back();
295     edid = parseEdid(data);
296     ASSERT_TRUE(edid);
297     EXPECT_EQ(modelHash, edid->modelHash);
298 }
299 
TEST(DisplayIdentificationTest,getPnpId)300 TEST(DisplayIdentificationTest, getPnpId) {
301     EXPECT_FALSE(getPnpId(0));
302     EXPECT_FALSE(getPnpId(static_cast<uint16_t>(-1)));
303 
304     EXPECT_STREQ("SEC", getPnpId(0x4ca3u).value_or(PnpId{}).data());
305     EXPECT_STREQ("HWP", getPnpId(0x22f0u).value_or(PnpId{}).data());
306     EXPECT_STREQ("SAM", getPnpId(0x4c2du).value_or(PnpId{}).data());
307 }
308 
TEST(DisplayIdentificationTest,parseDisplayIdentificationData)309 TEST(DisplayIdentificationTest, parseDisplayIdentificationData) {
310     const auto primaryInfo = parseDisplayIdentificationData(0, getInternalEdid());
311     ASSERT_TRUE(primaryInfo);
312 
313     const auto secondaryInfo = parseDisplayIdentificationData(1, getExternalEdid());
314     ASSERT_TRUE(secondaryInfo);
315 
316     const auto tertiaryInfo = parseDisplayIdentificationData(2, getExternalEedid());
317     ASSERT_TRUE(tertiaryInfo);
318 
319     // Display IDs should be unique.
320     EXPECT_EQ(4633257497453176576, primaryInfo->id.value);
321     EXPECT_EQ(4621520285560261121, secondaryInfo->id.value);
322     EXPECT_EQ(4633127902230889474, tertiaryInfo->id.value);
323 }
324 
TEST(DisplayIdentificationTest,deviceProductInfo)325 TEST(DisplayIdentificationTest, deviceProductInfo) {
326     using ManufactureYear = DeviceProductInfo::ManufactureYear;
327     using ManufactureWeekAndYear = DeviceProductInfo::ManufactureWeekAndYear;
328     using ModelYear = DeviceProductInfo::ModelYear;
329 
330     {
331         const auto displayIdInfo = parseDisplayIdentificationData(0, getInternalEdid());
332         ASSERT_TRUE(displayIdInfo);
333         ASSERT_TRUE(displayIdInfo->deviceProductInfo);
334         const auto& info = *displayIdInfo->deviceProductInfo;
335         EXPECT_EQ("", info.name);
336         EXPECT_STREQ("SEC", info.manufacturerPnpId.data());
337         EXPECT_EQ("12610", info.productId);
338         ASSERT_TRUE(std::holds_alternative<ManufactureYear>(info.manufactureOrModelDate));
339         EXPECT_EQ(2011, std::get<ManufactureYear>(info.manufactureOrModelDate).year);
340         EXPECT_TRUE(info.relativeAddress.empty());
341     }
342     {
343         const auto displayIdInfo = parseDisplayIdentificationData(0, getExternalEdid());
344         ASSERT_TRUE(displayIdInfo);
345         ASSERT_TRUE(displayIdInfo->deviceProductInfo);
346         const auto& info = *displayIdInfo->deviceProductInfo;
347         EXPECT_EQ("HP ZR30w", info.name);
348         EXPECT_STREQ("HWP", info.manufacturerPnpId.data());
349         EXPECT_EQ("10348", info.productId);
350         ASSERT_TRUE(std::holds_alternative<ManufactureWeekAndYear>(info.manufactureOrModelDate));
351         const auto& date = std::get<ManufactureWeekAndYear>(info.manufactureOrModelDate);
352         EXPECT_EQ(2012, date.year);
353         EXPECT_EQ(2, date.week);
354         EXPECT_TRUE(info.relativeAddress.empty());
355     }
356     {
357         const auto displayIdInfo = parseDisplayIdentificationData(0, getExternalEedid());
358         ASSERT_TRUE(displayIdInfo);
359         ASSERT_TRUE(displayIdInfo->deviceProductInfo);
360         const auto& info = *displayIdInfo->deviceProductInfo;
361         EXPECT_EQ("SAMSUNG", info.name);
362         EXPECT_STREQ("SAM", info.manufacturerPnpId.data());
363         EXPECT_EQ("2302", info.productId);
364         ASSERT_TRUE(std::holds_alternative<ManufactureWeekAndYear>(info.manufactureOrModelDate));
365         const auto& date = std::get<ManufactureWeekAndYear>(info.manufactureOrModelDate);
366         EXPECT_EQ(2011, date.year);
367         EXPECT_EQ(41, date.week);
368         EXPECT_THAT(info.relativeAddress, ElementsAre(2, 0, 0, 0));
369     }
370     {
371         const auto displayIdInfo = parseDisplayIdentificationData(0, getPanasonicTvEdid());
372         ASSERT_TRUE(displayIdInfo);
373         ASSERT_TRUE(displayIdInfo->deviceProductInfo);
374         const auto& info = *displayIdInfo->deviceProductInfo;
375         EXPECT_EQ("Panasonic-TV", info.name);
376         EXPECT_STREQ("MEI", info.manufacturerPnpId.data());
377         EXPECT_EQ("41622", info.productId);
378         ASSERT_TRUE(std::holds_alternative<ManufactureYear>(info.manufactureOrModelDate));
379         const auto& date = std::get<ManufactureYear>(info.manufactureOrModelDate);
380         EXPECT_EQ(2019, date.year);
381         EXPECT_THAT(info.relativeAddress, ElementsAre(2, 0, 0, 0));
382     }
383     {
384         const auto displayIdInfo = parseDisplayIdentificationData(0, getHisenseTvEdid());
385         ASSERT_TRUE(displayIdInfo);
386         ASSERT_TRUE(displayIdInfo->deviceProductInfo);
387         const auto& info = *displayIdInfo->deviceProductInfo;
388         EXPECT_EQ("Hisense", info.name);
389         EXPECT_STREQ("HEC", info.manufacturerPnpId.data());
390         EXPECT_EQ("0", info.productId);
391         ASSERT_TRUE(std::holds_alternative<ManufactureWeekAndYear>(info.manufactureOrModelDate));
392         const auto& date = std::get<ManufactureWeekAndYear>(info.manufactureOrModelDate);
393         EXPECT_EQ(2019, date.year);
394         EXPECT_EQ(18, date.week);
395         EXPECT_THAT(info.relativeAddress, ElementsAre(1, 2, 3, 4));
396     }
397     {
398         const auto displayIdInfo = parseDisplayIdentificationData(0, getCtlDisplayEdid());
399         ASSERT_TRUE(displayIdInfo);
400         ASSERT_TRUE(displayIdInfo->deviceProductInfo);
401         const auto& info = *displayIdInfo->deviceProductInfo;
402         EXPECT_EQ("LP2361", info.name);
403         EXPECT_STREQ("CTL", info.manufacturerPnpId.data());
404         EXPECT_EQ("9373", info.productId);
405         ASSERT_TRUE(std::holds_alternative<ModelYear>(info.manufactureOrModelDate));
406         EXPECT_EQ(2013, std::get<ModelYear>(info.manufactureOrModelDate).year);
407         EXPECT_TRUE(info.relativeAddress.empty());
408     }
409 }
410 
TEST(DisplayIdentificationTest,fromPort)411 TEST(DisplayIdentificationTest, fromPort) {
412     // Manufacturer ID should be invalid.
413     ASSERT_FALSE(getPnpId(PhysicalDisplayId::fromPort(0)));
414     ASSERT_FALSE(getPnpId(PhysicalDisplayId::fromPort(0xffu)));
415 }
416 
TEST(DisplayIdentificationTest,getVirtualDisplayId)417 TEST(DisplayIdentificationTest, getVirtualDisplayId) {
418     // Manufacturer ID should be invalid.
419     ASSERT_FALSE(getPnpId(getVirtualDisplayId(0)));
420     ASSERT_FALSE(getPnpId(getVirtualDisplayId(0xffff'ffffu)));
421 }
422 
423 } // namespace android
424 
425 // TODO(b/129481165): remove the #pragma below and fix conversion issues
426 #pragma clang diagnostic pop // ignored "-Wextra"