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 char* mExternalStorage;
38 char* mFileName;
39
SetUp()40 virtual void SetUp() {
41 mObbFile = new ObbFile();
42 mExternalStorage = getenv("EXTERNAL_STORAGE");
43
44 const int totalLen = strlen(mExternalStorage) + strlen(TEST_FILENAME) + 1;
45 mFileName = new char[totalLen];
46 snprintf(mFileName, totalLen, "%s%s", mExternalStorage, TEST_FILENAME);
47
48 int fd = ::open(mFileName, O_CREAT | O_TRUNC, S_IRUSR | S_IWUSR);
49 if (fd < 0) {
50 FAIL() << "Couldn't create " << mFileName << " for tests";
51 }
52 }
53
TearDown()54 virtual void TearDown() {
55 }
56 };
57
TEST_F(ObbFileTest,ReadFailure)58 TEST_F(ObbFileTest, ReadFailure) {
59 EXPECT_FALSE(mObbFile->readFrom(-1))
60 << "No failure on invalid file descriptor";
61 }
62
TEST_F(ObbFileTest,WriteThenRead)63 TEST_F(ObbFileTest, WriteThenRead) {
64 const char* packageName = "com.example.obbfile";
65 const int32_t versionNum = 1;
66
67 mObbFile->setPackageName(String8(packageName));
68 mObbFile->setVersion(versionNum);
69 #define SALT_SIZE 8
70 unsigned char salt[SALT_SIZE] = {0x01, 0x10, 0x55, 0xAA, 0xFF, 0x00, 0x5A, 0xA5};
71 EXPECT_TRUE(mObbFile->setSalt(salt, SALT_SIZE))
72 << "Salt should be successfully set";
73
74 EXPECT_TRUE(mObbFile->writeTo(mFileName))
75 << "couldn't write to fake .obb file";
76
77 mObbFile = new ObbFile();
78
79 EXPECT_TRUE(mObbFile->readFrom(mFileName))
80 << "couldn't read from fake .obb file";
81
82 EXPECT_EQ(versionNum, mObbFile->getVersion())
83 << "version didn't come out the same as it went in";
84 const char* currentPackageName = mObbFile->getPackageName().string();
85 EXPECT_STREQ(packageName, currentPackageName)
86 << "package name didn't come out the same as it went in";
87
88 size_t saltLen;
89 const unsigned char* newSalt = mObbFile->getSalt(&saltLen);
90
91 EXPECT_EQ(sizeof(salt), saltLen)
92 << "salt sizes were not the same";
93
94 for (int i = 0; i < sizeof(salt); i++) {
95 EXPECT_EQ(salt[i], newSalt[i])
96 << "salt character " << i << " should be equal";
97 }
98 EXPECT_TRUE(memcmp(newSalt, salt, sizeof(salt)) == 0)
99 << "salts should be the same";
100 }
101
102 }
103