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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 #include "fastboot.h"
18 
19 #include <gtest/gtest.h>
20 
TEST(FastBoot,ParseOsPatchLevel)21 TEST(FastBoot, ParseOsPatchLevel) {
22     FastBootTool fb;
23     boot_img_hdr_v1 hdr;
24 
25     hdr = {};
26     fb.ParseOsPatchLevel(&hdr, "2018-01-05");
27     ASSERT_EQ(2018U, 2000U + ((hdr.os_version >> 4) & 0x7f));
28     ASSERT_EQ(1U, ((hdr.os_version >> 0) & 0xf));
29 
30     EXPECT_DEATH(fb.ParseOsPatchLevel(&hdr, "2018"), "should be YYYY-MM-DD");
31     EXPECT_DEATH(fb.ParseOsPatchLevel(&hdr, "2018-01"), "should be YYYY-MM-DD");
32     EXPECT_DEATH(fb.ParseOsPatchLevel(&hdr, "2128-01-05"), "year out of range");
33     EXPECT_DEATH(fb.ParseOsPatchLevel(&hdr, "2018-13-05"), "month out of range");
34 }
35 
TEST(FastBoot,ParseOsVersion)36 TEST(FastBoot, ParseOsVersion) {
37     FastBootTool fb;
38     boot_img_hdr_v1 hdr;
39 
40     hdr = {};
41     fb.ParseOsVersion(&hdr, "1.2.3");
42     ASSERT_EQ(1U, ((hdr.os_version >> 25) & 0x7f));
43     ASSERT_EQ(2U, ((hdr.os_version >> 18) & 0x7f));
44     ASSERT_EQ(3U, ((hdr.os_version >> 11) & 0x7f));
45 
46     fb.ParseOsVersion(&hdr, "1.2");
47     ASSERT_EQ(1U, ((hdr.os_version >> 25) & 0x7f));
48     ASSERT_EQ(2U, ((hdr.os_version >> 18) & 0x7f));
49     ASSERT_EQ(0U, ((hdr.os_version >> 11) & 0x7f));
50 
51     fb.ParseOsVersion(&hdr, "1");
52     ASSERT_EQ(1U, ((hdr.os_version >> 25) & 0x7f));
53     ASSERT_EQ(0U, ((hdr.os_version >> 18) & 0x7f));
54     ASSERT_EQ(0U, ((hdr.os_version >> 11) & 0x7f));
55 
56     EXPECT_DEATH(fb.ParseOsVersion(&hdr, ""), "bad OS version");
57     EXPECT_DEATH(fb.ParseOsVersion(&hdr, "1.2.3.4"), "bad OS version");
58     EXPECT_DEATH(fb.ParseOsVersion(&hdr, "128.2.3"), "bad OS version");
59     EXPECT_DEATH(fb.ParseOsVersion(&hdr, "1.128.3"), "bad OS version");
60     EXPECT_DEATH(fb.ParseOsVersion(&hdr, "1.2.128"), "bad OS version");
61 }
62 
63 extern bool ParseRequirementLine(const std::string& line, std::string* name, std::string* product,
64                                  bool* invert, std::vector<std::string>* options);
65 
ParseRequirementLineTest(const std::string & line,const std::string & expected_name,const std::string & expected_product,bool expected_invert,const std::vector<std::string> & expected_options)66 static void ParseRequirementLineTest(const std::string& line, const std::string& expected_name,
67                                      const std::string& expected_product, bool expected_invert,
68                                      const std::vector<std::string>& expected_options) {
69     std::string name;
70     std::string product;
71     bool invert;
72     std::vector<std::string> options;
73 
74     EXPECT_TRUE(ParseRequirementLine(line, &name, &product, &invert, &options)) << line;
75 
76     EXPECT_EQ(expected_name, name) << line;
77     EXPECT_EQ(expected_product, product) << line;
78     EXPECT_EQ(expected_invert, invert) << line;
79     EXPECT_EQ(expected_options, options) << line;
80 }
81 
TEST(FastBoot,ParseRequirementLineSuccesses)82 TEST(FastBoot, ParseRequirementLineSuccesses) {
83     // Examples provided in the code + slight variations.
84     ParseRequirementLineTest("require product=alpha", "product", "", false, {"alpha"});
85     ParseRequirementLineTest("require product=alpha|beta|gamma", "product", "", false,
86                              {"alpha", "beta", "gamma"});
87     ParseRequirementLineTest("require version-bootloader=1234", "version-bootloader", "", false,
88                              {"1234"});
89     ParseRequirementLineTest("require-for-product:gamma version-bootloader=istanbul",
90                              "version-bootloader", "gamma", false, {"istanbul"});
91     ParseRequirementLineTest("require-for-product:gamma version-bootloader=istanbul|constantinople",
92                              "version-bootloader", "gamma", false, {"istanbul", "constantinople"});
93     ParseRequirementLineTest("require partition-exists=vendor", "partition-exists", "", false,
94                              {"vendor"});
95     ParseRequirementLineTest("reject product=alpha", "product", "", true, {"alpha"});
96     ParseRequirementLineTest("reject product=alpha|beta|gamma", "product", "", true,
97                              {"alpha", "beta", "gamma"});
98 
99     // Without any prefix, assume 'require'
100     ParseRequirementLineTest("product=alpha|beta|gamma", "product", "", false,
101                              {"alpha", "beta", "gamma"});
102     // Including if the variable name is otherwise a prefix keyword
103     ParseRequirementLineTest("require = alpha", "require", "", false, {"alpha"});
104     ParseRequirementLineTest("reject = alpha", "reject", "", false, {"alpha"});
105     ParseRequirementLineTest("require-for-product:gamma = alpha", "require-for-product:gamma", "",
106                              false, {"alpha"});
107 
108     // Extra spaces are allowed.
109     ParseRequirementLineTest("require    product=alpha|beta|gamma", "product", "", false,
110                              {"alpha", "beta", "gamma"});
111     ParseRequirementLineTest("require product    =alpha|beta|gamma", "product", "", false,
112                              {"alpha", "beta", "gamma"});
113     ParseRequirementLineTest("require product=   alpha|beta|gamma", "product", "", false,
114                              {"alpha", "beta", "gamma"});
115     ParseRequirementLineTest("require product   =   alpha|beta|gamma", "product", "", false,
116                              {"alpha", "beta", "gamma"});
117     ParseRequirementLineTest("require product=alpha  |beta|gamma", "product", "", false,
118                              {"alpha", "beta", "gamma"});
119     ParseRequirementLineTest("require product=alpha|  beta|gamma", "product", "", false,
120                              {"alpha", "beta", "gamma"});
121     ParseRequirementLineTest("require product=alpha  |  beta|gamma", "product", "", false,
122                              {"alpha", "beta", "gamma"});
123     ParseRequirementLineTest("require product=alpha|beta|gamma   ", "product", "", false,
124                              {"alpha", "beta", "gamma"});
125     ParseRequirementLineTest("product  =  alpha  |  beta  |  gamma   ", "product", "", false,
126                              {"alpha", "beta", "gamma"});
127     ParseRequirementLineTest("require-for-product:  gamma version-bootloader=istanbul",
128                              "version-bootloader", "gamma", false, {"istanbul"});
129 
130     // Extraneous ending | is okay, implies accepting an empty string.
131     ParseRequirementLineTest("require product=alpha|", "product", "", false, {"alpha", ""});
132     ParseRequirementLineTest("require product=alpha|beta|gamma|", "product", "", false,
133                              {"alpha", "beta", "gamma", ""});
134 
135     // Accept empty options, double ||, etc, implies accepting an empty string.
136     ParseRequirementLineTest("require product=alpha||beta|   |gamma", "product", "", false,
137                              {"alpha", "", "beta", "", "gamma"});
138     ParseRequirementLineTest("require product=alpha||beta|gamma", "product", "", false,
139                              {"alpha", "", "beta", "gamma"});
140     ParseRequirementLineTest("require product=alpha|beta|   |gamma", "product", "", false,
141                              {"alpha", "beta", "", "gamma"});
142     ParseRequirementLineTest("require product=alpha||", "product", "", false, {"alpha", "", ""});
143     ParseRequirementLineTest("require product=alpha|| ", "product", "", false, {"alpha", "", ""});
144     ParseRequirementLineTest("require product=alpha| ", "product", "", false, {"alpha", ""});
145     ParseRequirementLineTest("require product=alpha|beta| ", "product", "", false,
146                              {"alpha", "beta", ""});
147 
148     // No option string is also treating as accepting an empty string.
149     ParseRequirementLineTest("require =", "require", "", false, {""});
150     ParseRequirementLineTest("require = |", "require", "", false, {"", ""});
151     ParseRequirementLineTest("reject =", "reject", "", false, {""});
152     ParseRequirementLineTest("reject = |", "reject", "", false, {"", ""});
153     ParseRequirementLineTest("require-for-product: =", "require-for-product:", "", false, {""});
154     ParseRequirementLineTest("require-for-product: = | ", "require-for-product:", "", false,
155                              {"", ""});
156     ParseRequirementLineTest("require product=", "product", "", false, {""});
157     ParseRequirementLineTest("require product = ", "product", "", false, {""});
158     ParseRequirementLineTest("require product = | ", "product", "", false, {"", ""});
159     ParseRequirementLineTest("reject product=", "product", "", true, {""});
160     ParseRequirementLineTest("reject product = ", "product", "", true, {""});
161     ParseRequirementLineTest("reject product = | ", "product", "", true, {"", ""});
162     ParseRequirementLineTest("require-for-product:gamma product=", "product", "gamma", false, {""});
163     ParseRequirementLineTest("require-for-product:gamma product = ", "product", "gamma", false,
164                              {""});
165     ParseRequirementLineTest("require-for-product:gamma product = |", "product", "gamma", false,
166                              {"", ""});
167 
168     // Check for board -> product substitution.
169     ParseRequirementLineTest("require board=alpha", "product", "", false, {"alpha"});
170     ParseRequirementLineTest("board=alpha", "product", "", false, {"alpha"});
171 }
172 
ParseRequirementLineTestMalformed(const std::string & line)173 static void ParseRequirementLineTestMalformed(const std::string& line) {
174     std::string name;
175     std::string product;
176     bool invert;
177     std::vector<std::string> options;
178 
179     EXPECT_FALSE(ParseRequirementLine(line, &name, &product, &invert, &options)) << line;
180 }
181 
TEST(FastBoot,ParseRequirementLineMalformed)182 TEST(FastBoot, ParseRequirementLineMalformed) {
183     ParseRequirementLineTestMalformed("nothing");
184     ParseRequirementLineTestMalformed("");
185     ParseRequirementLineTestMalformed("=");
186     ParseRequirementLineTestMalformed("|");
187 
188     ParseRequirementLineTestMalformed("require");
189     ParseRequirementLineTestMalformed("require ");
190     ParseRequirementLineTestMalformed("reject");
191     ParseRequirementLineTestMalformed("reject ");
192     ParseRequirementLineTestMalformed("require-for-product:");
193     ParseRequirementLineTestMalformed("require-for-product: ");
194 
195     ParseRequirementLineTestMalformed("require product");
196     ParseRequirementLineTestMalformed("reject product");
197 
198     ParseRequirementLineTestMalformed("require-for-product:gamma");
199     ParseRequirementLineTestMalformed("require-for-product:gamma product");
200 
201     // No spaces allowed before between require-for-product and :.
202     ParseRequirementLineTestMalformed("require-for-product :");
203 }
204