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 <memory>
18 #include <sstream>
19 #include <string>
20 
21 #include "R.h"
22 #include "TestHelpers.h"
23 #include "androidfw/ApkAssets.h"
24 #include "androidfw/Idmap.h"
25 #include "androidfw/ResourceTypes.h"
26 #include "gmock/gmock.h"
27 #include "gtest/gtest.h"
28 #include "idmap2/Idmap.h"
29 #include "idmap2/PrettyPrintVisitor.h"
30 
31 using ::testing::NotNull;
32 
33 using android::ApkAssets;
34 
35 using PolicyBitmask = android::ResTable_overlayable_policy_header::PolicyBitmask;
36 using PolicyFlags = android::ResTable_overlayable_policy_header::PolicyFlags;
37 
38 namespace android::idmap2 {
39 
TEST(PrettyPrintVisitorTests,CreatePrettyPrintVisitor)40 TEST(PrettyPrintVisitorTests, CreatePrettyPrintVisitor) {
41   const std::string target_apk_path(GetTestDataPath() + "/target/target.apk");
42   std::unique_ptr<const ApkAssets> target_apk = ApkAssets::Load(target_apk_path);
43   ASSERT_THAT(target_apk, NotNull());
44 
45   const std::string overlay_apk_path(GetTestDataPath() + "/overlay/overlay.apk");
46   std::unique_ptr<const ApkAssets> overlay_apk = ApkAssets::Load(overlay_apk_path);
47   ASSERT_THAT(overlay_apk, NotNull());
48 
49   const auto idmap = Idmap::FromApkAssets(*target_apk, *overlay_apk, PolicyFlags::PUBLIC,
50                                           /* enforce_overlayable */ true);
51   ASSERT_TRUE(idmap);
52 
53   std::stringstream stream;
54   PrettyPrintVisitor visitor(stream);
55   (*idmap)->accept(&visitor);
56 
57   ASSERT_NE(stream.str().find("target apk path  : "), std::string::npos);
58   ASSERT_NE(stream.str().find("overlay apk path : "), std::string::npos);
59   ASSERT_NE(stream.str().find(R::target::integer::literal::int1 + " -> 0x7f010000 integer/int1\n"),
60             std::string::npos);
61 }
62 
TEST(PrettyPrintVisitorTests,CreatePrettyPrintVisitorWithoutAccessToApks)63 TEST(PrettyPrintVisitorTests, CreatePrettyPrintVisitorWithoutAccessToApks) {
64   fclose(stderr);  // silence expected warnings from libandroidfw
65 
66   std::string raw(reinterpret_cast<const char*>(idmap_raw_data), idmap_raw_data_len);
67   std::istringstream raw_stream(raw);
68 
69   const auto idmap = Idmap::FromBinaryStream(raw_stream);
70   ASSERT_TRUE(idmap);
71 
72   std::stringstream stream;
73   PrettyPrintVisitor visitor(stream);
74   (*idmap)->accept(&visitor);
75 
76   ASSERT_NE(stream.str().find("target apk path  : "), std::string::npos);
77   ASSERT_NE(stream.str().find("overlay apk path : "), std::string::npos);
78   ASSERT_NE(stream.str().find("0x7f020000 -> 0x7f020000\n"), std::string::npos);
79 }
80 
81 }  // namespace android::idmap2
82