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 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 54 virtual void TearDown() { 55 } 56 }; 57 58 TEST_F(ObbFileTest, ReadFailure) { 59 EXPECT_FALSE(mObbFile->readFrom(-1)) 60 << "No failure on invalid file descriptor"; 61 } 62 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