1 /*
2 * Copyright (C) 2020 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 "BackupHelpers_test"
18 #include <androidfw/BackupHelpers.h>
19
20 #include <gtest/gtest.h>
21
22 #include <fcntl.h>
23 #include <utils/String8.h>
24 #include <android-base/file.h>
25
26 namespace android {
27
28 class BackupHelpersTest : public testing::Test {
29 protected:
30
SetUp()31 virtual void SetUp() {
32 }
TearDown()33 virtual void TearDown() {
34 }
35 };
36
TEST_F(BackupHelpersTest,WriteTarFileWithSizeLessThan2GB)37 TEST_F(BackupHelpersTest, WriteTarFileWithSizeLessThan2GB) {
38 TemporaryFile tf;
39 // Allocate a 1 KB file.
40 off64_t fileSize = 1024;
41 ASSERT_EQ(0, posix_fallocate64(tf.fd, 0, fileSize));
42 off64_t tarSize = 0;
43 int err = write_tarfile(/* packageName */ String8("test-pkg"), /* domain */ String8(""), /* rootpath */ String8(""), /* filePath */ String8(tf.path), /* outSize */ &tarSize, /* writer */ NULL);
44 ASSERT_EQ(err, 0);
45 // Returned tarSize includes 512 B for the header.
46 off64_t expectedTarSize = fileSize + 512;
47 ASSERT_EQ(tarSize, expectedTarSize);
48 }
49
TEST_F(BackupHelpersTest,WriteTarFileWithSizeGreaterThan2GB)50 TEST_F(BackupHelpersTest, WriteTarFileWithSizeGreaterThan2GB) {
51 TemporaryFile tf;
52 // Allocate a 2 GB file.
53 off64_t fileSize = 2LL * 1024LL * 1024LL * 1024LL + 512LL;
54 ASSERT_EQ(0, posix_fallocate64(tf.fd, 0, fileSize));
55 off64_t tarSize = 0;
56 int err = write_tarfile(/* packageName */ String8("test-pkg"), /* domain */ String8(""), /* rootpath */ String8(""), /* filePath */ String8(tf.path), /* outSize */ &tarSize, /* writer */ NULL);
57 ASSERT_EQ(err, 0);
58 // Returned tarSize includes 512 B for the header.
59 off64_t expectedTarSize = fileSize + 512;
60 ASSERT_EQ(tarSize, expectedTarSize);
61 }
62 }
63
64