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 <cstdio>  // fclose
18 #include <memory>
19 #include <sstream>
20 #include <string>
21 
22 #include "TestHelpers.h"
23 #include "gmock/gmock.h"
24 #include "gtest/gtest.h"
25 #include "idmap2/Idmap.h"
26 #include "idmap2/RawPrintVisitor.h"
27 
28 using ::testing::NotNull;
29 
30 namespace android::idmap2 {
31 
TEST(RawPrintVisitorTests,CreateRawPrintVisitor)32 TEST(RawPrintVisitorTests, CreateRawPrintVisitor) {
33   const std::string target_apk_path(GetTestDataPath() + "/target/target.apk");
34   std::unique_ptr<const ApkAssets> target_apk = ApkAssets::Load(target_apk_path);
35   ASSERT_THAT(target_apk, NotNull());
36 
37   const std::string overlay_apk_path(GetTestDataPath() + "/overlay/overlay.apk");
38   std::unique_ptr<const ApkAssets> overlay_apk = ApkAssets::Load(overlay_apk_path);
39   ASSERT_THAT(overlay_apk, NotNull());
40 
41   const auto idmap =
42       Idmap::FromApkAssets(target_apk_path, *target_apk, overlay_apk_path, *overlay_apk,
43                            PolicyFlags::POLICY_PUBLIC, /* enforce_overlayable */ true);
44   ASSERT_TRUE(idmap);
45 
46   std::stringstream stream;
47   RawPrintVisitor visitor(stream);
48   (*idmap)->accept(&visitor);
49 
50   ASSERT_NE(stream.str().find("00000000: 504d4449  magic\n"), std::string::npos);
51   ASSERT_NE(stream.str().find("00000004: 00000001  version\n"), std::string::npos);
52   ASSERT_NE(stream.str().find("00000008: 76a20829  target crc\n"), std::string::npos);
53   ASSERT_NE(stream.str().find("0000000c: 8635c2ed  overlay crc\n"), std::string::npos);
54   ASSERT_NE(stream.str().find("0000021c: 00000000  0x7f010000 -> 0x7f010000 integer/int1\n"),
55             std::string::npos);
56 }
57 
TEST(RawPrintVisitorTests,CreateRawPrintVisitorWithoutAccessToApks)58 TEST(RawPrintVisitorTests, CreateRawPrintVisitorWithoutAccessToApks) {
59   fclose(stderr);  // silence expected warnings from libandroidfw
60 
61   std::string raw(reinterpret_cast<const char*>(idmap_raw_data), idmap_raw_data_len);
62   std::istringstream raw_stream(raw);
63 
64   const auto idmap = Idmap::FromBinaryStream(raw_stream);
65   ASSERT_TRUE(idmap);
66 
67   std::stringstream stream;
68   RawPrintVisitor visitor(stream);
69   (*idmap)->accept(&visitor);
70 
71   ASSERT_NE(stream.str().find("00000000: 504d4449  magic\n"), std::string::npos);
72   ASSERT_NE(stream.str().find("00000004: 00000001  version\n"), std::string::npos);
73   ASSERT_NE(stream.str().find("00000008: 00001234  target crc\n"), std::string::npos);
74   ASSERT_NE(stream.str().find("0000000c: 00005678  overlay crc\n"), std::string::npos);
75   ASSERT_NE(stream.str().find("0000021c: 00000000  0x7f020000 -> 0x7f020000\n"), std::string::npos);
76 }
77 
78 }  // namespace android::idmap2
79