1 /*
2 * Copyright (C) 2010 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 #define LOG_TAG "ObbFile_test"
18 #include <androidfw/ObbFile.h>
19 #include <utils/Log.h>
20 #include <utils/RefBase.h>
21 #include <utils/String8.h>
22
23 #include <gtest/gtest.h>
24
25 #include <sys/types.h>
26 #include <sys/stat.h>
27 #include <fcntl.h>
28 #include <string.h>
29
30 namespace android {
31
32 #define TEST_FILENAME "/test.obb"
33
34 class ObbFileTest : public testing::Test {
35 protected:
36 sp<ObbFile> mObbFile;
37 String8 mFileName;
38
SetUp()39 virtual void SetUp() {
40 mObbFile = new ObbFile();
41 char* externalStorage = getenv("EXTERNAL_STORAGE");
42
43 mFileName.append(externalStorage);
44 mFileName.append(TEST_FILENAME);
45
46 int fd = ::open(mFileName.string(), O_CREAT | O_TRUNC, S_IRUSR | S_IWUSR);
47 if (fd < 0) {
48 FAIL() << "Couldn't create " << mFileName.string() << " for tests";
49 }
50 }
51
TearDown()52 virtual void TearDown() {
53 }
54 };
55
TEST_F(ObbFileTest,ReadFailure)56 TEST_F(ObbFileTest, ReadFailure) {
57 EXPECT_FALSE(mObbFile->readFrom(-1))
58 << "No failure on invalid file descriptor";
59 }
60
TEST_F(ObbFileTest,WriteThenRead)61 TEST_F(ObbFileTest, WriteThenRead) {
62 const char* packageName = "com.example.obbfile";
63 const int32_t versionNum = 1;
64
65 mObbFile->setPackageName(String8(packageName));
66 mObbFile->setVersion(versionNum);
67 #define SALT_SIZE 8
68 unsigned char salt[SALT_SIZE] = {0x01, 0x10, 0x55, 0xAA, 0xFF, 0x00, 0x5A, 0xA5};
69 EXPECT_TRUE(mObbFile->setSalt(salt, SALT_SIZE))
70 << "Salt should be successfully set";
71
72 EXPECT_TRUE(mObbFile->writeTo(mFileName.string()))
73 << "couldn't write to fake .obb file";
74
75 mObbFile = new ObbFile();
76
77 EXPECT_TRUE(mObbFile->readFrom(mFileName.string()))
78 << "couldn't read from fake .obb file";
79
80 EXPECT_EQ(versionNum, mObbFile->getVersion())
81 << "version didn't come out the same as it went in";
82 const char* currentPackageName = mObbFile->getPackageName().string();
83 EXPECT_STREQ(packageName, currentPackageName)
84 << "package name didn't come out the same as it went in";
85
86 size_t saltLen;
87 const unsigned char* newSalt = mObbFile->getSalt(&saltLen);
88
89 EXPECT_EQ(sizeof(salt), saltLen)
90 << "salt sizes were not the same";
91
92 for (size_t i = 0; i < sizeof(salt); i++) {
93 EXPECT_EQ(salt[i], newSalt[i])
94 << "salt character " << i << " should be equal";
95 }
96 EXPECT_TRUE(memcmp(newSalt, salt, sizeof(salt)) == 0)
97 << "salts should be the same";
98 }
99
100 }
101