1 /*
2 * Copyright (C) 2016 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 #include <memory>
18 #include <string>
19 #include <string_view>
20 #include <vector>
21
22 #include <android-base/file.h>
23 #include <android-base/properties.h>
24 #include <bootloader_message/bootloader_message.h>
25 #include <gtest/gtest.h>
26
27 #include "misc_writer/misc_writer.h"
28
29 using namespace std::string_literals;
30
31 namespace android {
32 namespace hardware {
33 namespace google {
34 namespace pixel {
35
36 class MiscWriterTest : public ::testing::Test {
37 protected:
TearDown()38 void TearDown() override {
39 // Clear the vendor space.
40 auto zeros = std::string(WIPE_PACKAGE_OFFSET_IN_MISC - VENDOR_SPACE_OFFSET_IN_MISC, 0);
41 std::string err;
42 ASSERT_TRUE(MiscWriter::WriteMiscPartitionVendorSpace(zeros.data(), zeros.size(), 0, &err))
43 << err;
44 }
45
46 void CheckMiscPartitionVendorSpaceContent(size_t offset, const std::string& expected);
47
48 std::unique_ptr<MiscWriter> misc_writer_;
49 };
50
CheckMiscPartitionVendorSpaceContent(size_t offset,const std::string & expected)51 void MiscWriterTest::CheckMiscPartitionVendorSpaceContent(size_t offset,
52 const std::string& expected) {
53 ASSERT_TRUE(MiscWriter::OffsetAndSizeInVendorSpace(offset, expected.size()));
54 std::string err;
55 auto misc_blk_device = get_misc_blk_device(&err);
56 ASSERT_FALSE(misc_blk_device.empty());
57 android::base::unique_fd fd(open(misc_blk_device.c_str(), O_RDONLY));
58 ASSERT_NE(-1, fd);
59
60 std::string content(expected.size(), 0);
61 ASSERT_TRUE(android::base::ReadFullyAtOffset(fd, content.data(), content.size(),
62 VENDOR_SPACE_OFFSET_IN_MISC + offset));
63 ASSERT_EQ(expected, content);
64 }
65
TEST_F(MiscWriterTest,SetClearDarkTheme)66 TEST_F(MiscWriterTest, SetClearDarkTheme) {
67 misc_writer_ = std::make_unique<MiscWriter>(MiscWriterActions::kSetDarkThemeFlag);
68 ASSERT_TRUE(misc_writer_);
69 ASSERT_TRUE(misc_writer_->PerformAction());
70 std::string expected = "theme-dark";
71 CheckMiscPartitionVendorSpaceContent(0, expected);
72
73 misc_writer_ = std::make_unique<MiscWriter>(MiscWriterActions::kClearDarkThemeFlag);
74 ASSERT_TRUE(misc_writer_->PerformAction());
75 std::string zeros(expected.size(), 0);
76 CheckMiscPartitionVendorSpaceContent(0, zeros);
77 }
78
TEST_F(MiscWriterTest,SetClearDarkTheme_OffsetOverride)79 TEST_F(MiscWriterTest, SetClearDarkTheme_OffsetOverride) {
80 misc_writer_ = std::make_unique<MiscWriter>(MiscWriterActions::kSetDarkThemeFlag);
81 size_t offset = 12360;
82 ASSERT_TRUE(misc_writer_->PerformAction(offset));
83 std::string expected = "theme-dark";
84 CheckMiscPartitionVendorSpaceContent(offset, expected);
85
86 misc_writer_ = std::make_unique<MiscWriter>(MiscWriterActions::kClearDarkThemeFlag);
87 ASSERT_TRUE(misc_writer_->PerformAction(offset));
88 std::string zeros(expected.size(), 0);
89 CheckMiscPartitionVendorSpaceContent(offset, zeros);
90 }
91
TEST_F(MiscWriterTest,SetClearSota)92 TEST_F(MiscWriterTest, SetClearSota) {
93 misc_writer_ = std::make_unique<MiscWriter>(MiscWriterActions::kSetSotaFlag);
94 ASSERT_TRUE(misc_writer_);
95 ASSERT_TRUE(misc_writer_->PerformAction());
96 std::string expected = "enable-sota";
97 CheckMiscPartitionVendorSpaceContent(32, expected);
98
99 expected = ::android::base::GetProperty("persist.vendor.nfc.factoryota.state", "");
100 if (expected.size() != 0 && expected.size() <= 40)
101 CheckMiscPartitionVendorSpaceContent(224, expected);
102
103 // Test we can write to the override offset.
104 size_t override_offset = 12360;
105 ASSERT_FALSE(misc_writer_->PerformAction(override_offset));
106 CheckMiscPartitionVendorSpaceContent(override_offset, expected);
107
108 misc_writer_ = std::make_unique<MiscWriter>(MiscWriterActions::kClearSotaFlag);
109 ASSERT_TRUE(misc_writer_->PerformAction());
110 std::string zeros(expected.size(), 0);
111 CheckMiscPartitionVendorSpaceContent(32, zeros);
112 }
113
TEST_F(MiscWriterTest,SetMaxRamSize)114 TEST_F(MiscWriterTest, SetMaxRamSize) {
115 misc_writer_ = std::make_unique<MiscWriter>(MiscWriterActions::kSetMaxRamSize, "8192");
116 size_t offset = MiscWriter::kMaxRamSizeOffsetInVendorSpace;
117 ASSERT_TRUE(misc_writer_->PerformAction(offset));
118 std::string expected = std::string(MiscWriter::kMaxRamSize) + "8192";
119 CheckMiscPartitionVendorSpaceContent(offset, expected);
120
121 misc_writer_ = std::make_unique<MiscWriter>(MiscWriterActions::kClearMaxRamSize);
122 ASSERT_TRUE(misc_writer_->PerformAction(offset));
123 std::string zeros(expected.size(), 0);
124 CheckMiscPartitionVendorSpaceContent(offset, zeros);
125 }
126
TEST_F(MiscWriterTest,SetClearDisplayMode)127 TEST_F(MiscWriterTest, SetClearDisplayMode) {
128 std::string displayMode = "1440x3120@60:120";
129 misc_writer_ = std::make_unique<MiscWriter>(MiscWriterActions::kSetDisplayMode, displayMode);
130 ASSERT_TRUE(misc_writer_);
131 ASSERT_TRUE(misc_writer_->PerformAction());
132 std::string expected = "mode=1440x3120@60:120";
133 CheckMiscPartitionVendorSpaceContent(MiscWriter::kDisplayModeOffsetInVendorSpace, expected);
134
135 misc_writer_ = std::make_unique<MiscWriter>(MiscWriterActions::kClearDisplayMode);
136 ASSERT_TRUE(misc_writer_->PerformAction());
137 std::string zeros(32, 0);
138 CheckMiscPartitionVendorSpaceContent(MiscWriter::kDisplayModeOffsetInVendorSpace, zeros);
139 }
140
TEST_F(MiscWriterTest,WriteMiscPartitionVendorSpace)141 TEST_F(MiscWriterTest, WriteMiscPartitionVendorSpace) {
142 std::string kTestMessage = "kTestMessage";
143 std::string err;
144 ASSERT_TRUE(
145 MiscWriter::WriteMiscPartitionVendorSpace(kTestMessage.data(), kTestMessage.size(), 0, &err));
146
147 CheckMiscPartitionVendorSpaceContent(0, kTestMessage);
148
149 // Write with an offset.
150 ASSERT_TRUE(MiscWriter::WriteMiscPartitionVendorSpace("\x00\x00", 2, 5, &err));
151 CheckMiscPartitionVendorSpaceContent(0, "kTest\x00\x00ssage"s);
152
153 // Write with the right size.
154 auto start_offset =
155 WIPE_PACKAGE_OFFSET_IN_MISC - VENDOR_SPACE_OFFSET_IN_MISC - kTestMessage.size();
156 ASSERT_TRUE(MiscWriter::WriteMiscPartitionVendorSpace(kTestMessage.data(), kTestMessage.size(),
157 start_offset, &err));
158
159 // Out-of-bound write.
160 ASSERT_FALSE(MiscWriter::WriteMiscPartitionVendorSpace(kTestMessage.data(), kTestMessage.size(),
161 start_offset + 1, &err));
162
163 // Message won't fit.
164 std::string long_message(WIPE_PACKAGE_OFFSET_IN_MISC - VENDOR_SPACE_OFFSET_IN_MISC + 1, 'a');
165 ASSERT_FALSE(
166 MiscWriter::WriteMiscPartitionVendorSpace(long_message.data(), long_message.size(), 0, &err));
167 }
168
169 } // namespace pixel
170 } // namespace google
171 } // namespace hardware
172 } // namespace android
173