/*
* Copyright (C) 2018 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <algorithm>
#include <string>
#include <android-base/strings.h>
#include <gtest/gtest.h>
#include <openssl/sha.h>
#include "otautil/print_sha1.h"
#include "otautil/rangeset.h"
#include "private/commands.h"
TEST(CommandsTest, ParseType) {
ASSERT_EQ(Command::Type::ZERO, Command::ParseType("zero"));
ASSERT_EQ(Command::Type::NEW, Command::ParseType("new"));
ASSERT_EQ(Command::Type::ERASE, Command::ParseType("erase"));
ASSERT_EQ(Command::Type::MOVE, Command::ParseType("move"));
ASSERT_EQ(Command::Type::BSDIFF, Command::ParseType("bsdiff"));
ASSERT_EQ(Command::Type::IMGDIFF, Command::ParseType("imgdiff"));
ASSERT_EQ(Command::Type::STASH, Command::ParseType("stash"));
ASSERT_EQ(Command::Type::FREE, Command::ParseType("free"));
ASSERT_EQ(Command::Type::COMPUTE_HASH_TREE, Command::ParseType("compute_hash_tree"));
}
TEST(CommandsTest, ParseType_InvalidCommand) {
ASSERT_EQ(Command::Type::LAST, Command::ParseType("foo"));
ASSERT_EQ(Command::Type::LAST, Command::ParseType("bar"));
}
TEST(CommandsTest, ParseTargetInfoAndSourceInfo_SourceBlocksOnly) {
const std::vector<std::string> tokens{
"4,569884,569904,591946,592043",
"117",
"4,566779,566799,591946,592043",
};
TargetInfo target;
SourceInfo source;
std::string err;
ASSERT_TRUE(Command::ParseTargetInfoAndSourceInfo(
tokens, "1d74d1a60332fd38cf9405f1bae67917888da6cb", &target,
"1d74d1a60332fd38cf9405f1bae67917888da6cb", &source, &err));
ASSERT_EQ(TargetInfo("1d74d1a60332fd38cf9405f1bae67917888da6cb",
RangeSet({ { 569884, 569904 }, { 591946, 592043 } })),
target);
ASSERT_EQ(SourceInfo("1d74d1a60332fd38cf9405f1bae67917888da6cb",
RangeSet({ { 566779, 566799 }, { 591946, 592043 } }), {}, {}),
source);
ASSERT_EQ(117, source.blocks());
}
TEST(CommandsTest, ParseTargetInfoAndSourceInfo_StashesOnly) {
const std::vector<std::string> tokens{
"2,350729,350731",
"2",
"-",
"6ebcf8cf1f6be0bc49e7d4a864214251925d1d15:2,0,2",
};
TargetInfo target;
SourceInfo source;
std::string err;
ASSERT_TRUE(Command::ParseTargetInfoAndSourceInfo(
tokens, "6ebcf8cf1f6be0bc49e7d4a864214251925d1d15", &target,
"1c25ba04d3278d6b65a1b9f17abac78425ec8b8d", &source, &err));
ASSERT_EQ(
TargetInfo("6ebcf8cf1f6be0bc49e7d4a864214251925d1d15", RangeSet({ { 350729, 350731 } })),
target);
ASSERT_EQ(
SourceInfo("1c25ba04d3278d6b65a1b9f17abac78425ec8b8d", {}, {},
{
StashInfo("6ebcf8cf1f6be0bc49e7d4a864214251925d1d15", RangeSet({ { 0, 2 } })),
}),
source);
ASSERT_EQ(2, source.blocks());
}
TEST(CommandsTest, ParseTargetInfoAndSourceInfo_SourceBlocksAndStashes) {
const std::vector<std::string> tokens{
"4,611641,611643,636981,637075",
"96",
"4,636981,637075,770665,770666",
"4,0,94,95,96",
"9eedf00d11061549e32503cadf054ec6fbfa7a23:2,94,95",
};
TargetInfo target;
SourceInfo source;
std::string err;
ASSERT_TRUE(Command::ParseTargetInfoAndSourceInfo(
tokens, "4734d1b241eb3d0f993714aaf7d665fae43772b6", &target,
"a6cbdf3f416960f02189d3a814ec7e9e95c44a0d", &source, &err));
ASSERT_EQ(TargetInfo("4734d1b241eb3d0f993714aaf7d665fae43772b6",
RangeSet({ { 611641, 611643 }, { 636981, 637075 } })),
target);
ASSERT_EQ(SourceInfo(
"a6cbdf3f416960f02189d3a814ec7e9e95c44a0d",
RangeSet({ { 636981, 637075 }, { 770665, 770666 } }), // source ranges
RangeSet({ { 0, 94 }, { 95, 96 } }), // source location
{
StashInfo("9eedf00d11061549e32503cadf054ec6fbfa7a23", RangeSet({ { 94, 95 } })),
}),
source);
ASSERT_EQ(96, source.blocks());
}
TEST(CommandsTest, ParseTargetInfoAndSourceInfo_InvalidInput) {
const std::vector<std::string> tokens{
"4,611641,611643,636981,637075",
"96",
"4,636981,637075,770665,770666",
"4,0,94,95,96",
"9eedf00d11061549e32503cadf054ec6fbfa7a23:2,94,95",
};
TargetInfo target;
SourceInfo source;
std::string err;
// Mismatching block count.
{
std::vector<std::string> tokens_copy(tokens);
tokens_copy[1] = "97";
ASSERT_FALSE(Command::ParseTargetInfoAndSourceInfo(
tokens_copy, "1d74d1a60332fd38cf9405f1bae67917888da6cb", &target,
"1d74d1a60332fd38cf9405f1bae67917888da6cb", &source, &err));
}
// Excess stashes (causing block count mismatch).
{
std::vector<std::string> tokens_copy(tokens);
tokens_copy.push_back("e145a2f83a33334714ac65e34969c1f115e54a6f:2,0,22");
ASSERT_FALSE(Command::ParseTargetInfoAndSourceInfo(
tokens_copy, "1d74d1a60332fd38cf9405f1bae67917888da6cb", &target,
"1d74d1a60332fd38cf9405f1bae67917888da6cb", &source, &err));
}
// Invalid args.
for (size_t i = 0; i < tokens.size(); i++) {
TargetInfo target;
SourceInfo source;
std::string err;
ASSERT_FALSE(Command::ParseTargetInfoAndSourceInfo(
std::vector<std::string>(tokens.cbegin() + i + 1, tokens.cend()),
"1d74d1a60332fd38cf9405f1bae67917888da6cb", &target,
"1d74d1a60332fd38cf9405f1bae67917888da6cb", &source, &err));
}
}
TEST(CommandsTest, Parse_EmptyInput) {
std::string err;
ASSERT_FALSE(Command::Parse("", 0, &err));
ASSERT_EQ("invalid type", err);
}
TEST(CommandsTest, Parse_ABORT_Allowed) {
Command::abort_allowed_ = true;
const std::string input{ "abort" };
std::string err;
Command command = Command::Parse(input, 0, &err);
ASSERT_TRUE(command);
ASSERT_EQ(TargetInfo(), command.target());
ASSERT_EQ(SourceInfo(), command.source());
ASSERT_EQ(StashInfo(), command.stash());
ASSERT_EQ(PatchInfo(), command.patch());
}
TEST(CommandsTest, Parse_ABORT_NotAllowed) {
const std::string input{ "abort" };
std::string err;
Command command = Command::Parse(input, 0, &err);
ASSERT_FALSE(command);
}
TEST(CommandsTest, Parse_BSDIFF) {
const std::string input{
"bsdiff 0 148 "
"f201a4e04bd3860da6ad47b957ef424d58a58f8c 9d5d223b4bc5c45dbd25a799c4f1a98466731599 "
"4,565704,565752,566779,566799 "
"68 4,64525,64545,565704,565752"
};
std::string err;
Command command = Command::Parse(input, 1, &err);
ASSERT_TRUE(command);
ASSERT_EQ(Command::Type::BSDIFF, command.type());
ASSERT_EQ(1, command.index());
ASSERT_EQ(input, command.cmdline());
ASSERT_EQ(TargetInfo("9d5d223b4bc5c45dbd25a799c4f1a98466731599",
RangeSet({ { 565704, 565752 }, { 566779, 566799 } })),
command.target());
ASSERT_EQ(SourceInfo("f201a4e04bd3860da6ad47b957ef424d58a58f8c",
RangeSet({ { 64525, 64545 }, { 565704, 565752 } }), RangeSet(), {}),
command.source());
ASSERT_EQ(StashInfo(), command.stash());
ASSERT_EQ(PatchInfo(0, 148), command.patch());
}
TEST(CommandsTest, Parse_ERASE) {
const std::string input{ "erase 2,5,10" };
std::string err;
Command command = Command::Parse(input, 2, &err);
ASSERT_TRUE(command);
ASSERT_EQ(Command::Type::ERASE, command.type());
ASSERT_EQ(2, command.index());
ASSERT_EQ(input, command.cmdline());
ASSERT_EQ(TargetInfo("unknown-hash", RangeSet({ { 5, 10 } })), command.target());
ASSERT_EQ(SourceInfo(), command.source());
ASSERT_EQ(StashInfo(), command.stash());
ASSERT_EQ(PatchInfo(), command.patch());
}
TEST(CommandsTest, Parse_FREE) {
const std::string input{ "free hash1" };
std::string err;
Command command = Command::Parse(input, 3, &err);
ASSERT_TRUE(command);
ASSERT_EQ(Command::Type::FREE, command.type());
ASSERT_EQ(3, command.index());
ASSERT_EQ(input, command.cmdline());
ASSERT_EQ(TargetInfo(), command.target());
ASSERT_EQ(SourceInfo(), command.source());
ASSERT_EQ(StashInfo("hash1", RangeSet()), command.stash());
ASSERT_EQ(PatchInfo(), command.patch());
}
TEST(CommandsTest, Parse_IMGDIFF) {
const std::string input{
"imgdiff 29629269 185 "
"a6b1c49aed1b57a2aab1ec3e1505b945540cd8db 51978f65035f584a8ef7afa941dacb6d5e862164 "
"2,90851,90852 "
"1 2,90851,90852"
};
std::string err;
Command command = Command::Parse(input, 4, &err);
ASSERT_TRUE(command);
ASSERT_EQ(Command::Type::IMGDIFF, command.type());
ASSERT_EQ(4, command.index());
ASSERT_EQ(input, command.cmdline());
ASSERT_EQ(TargetInfo("51978f65035f584a8ef7afa941dacb6d5e862164", RangeSet({ { 90851, 90852 } })),
command.target());
ASSERT_EQ(SourceInfo("a6b1c49aed1b57a2aab1ec3e1505b945540cd8db", RangeSet({ { 90851, 90852 } }),
RangeSet(), {}),
command.source());
ASSERT_EQ(StashInfo(), command.stash());
ASSERT_EQ(PatchInfo(29629269, 185), command.patch());
}
TEST(CommandsTest, Parse_MOVE) {
const std::string input{
"move 1d74d1a60332fd38cf9405f1bae67917888da6cb "
"4,569884,569904,591946,592043 117 4,566779,566799,591946,592043"
};
std::string err;
Command command = Command::Parse(input, 5, &err);
ASSERT_TRUE(command);
ASSERT_EQ(Command::Type::MOVE, command.type());
ASSERT_EQ(5, command.index());
ASSERT_EQ(input, command.cmdline());
ASSERT_EQ(TargetInfo("1d74d1a60332fd38cf9405f1bae67917888da6cb",
RangeSet({ { 569884, 569904 }, { 591946, 592043 } })),
command.target());
ASSERT_EQ(SourceInfo("1d74d1a60332fd38cf9405f1bae67917888da6cb",
RangeSet({ { 566779, 566799 }, { 591946, 592043 } }), RangeSet(), {}),
command.source());
ASSERT_EQ(StashInfo(), command.stash());
ASSERT_EQ(PatchInfo(), command.patch());
}
TEST(CommandsTest, Parse_NEW) {
const std::string input{ "new 4,3,5,10,12" };
std::string err;
Command command = Command::Parse(input, 6, &err);
ASSERT_TRUE(command);
ASSERT_EQ(Command::Type::NEW, command.type());
ASSERT_EQ(6, command.index());
ASSERT_EQ(input, command.cmdline());
ASSERT_EQ(TargetInfo("unknown-hash", RangeSet({ { 3, 5 }, { 10, 12 } })), command.target());
ASSERT_EQ(SourceInfo(), command.source());
ASSERT_EQ(StashInfo(), command.stash());
ASSERT_EQ(PatchInfo(), command.patch());
}
TEST(CommandsTest, Parse_STASH) {
const std::string input{ "stash hash1 2,5,10" };
std::string err;
Command command = Command::Parse(input, 7, &err);
ASSERT_TRUE(command);
ASSERT_EQ(Command::Type::STASH, command.type());
ASSERT_EQ(7, command.index());
ASSERT_EQ(input, command.cmdline());
ASSERT_EQ(TargetInfo(), command.target());
ASSERT_EQ(SourceInfo(), command.source());
ASSERT_EQ(StashInfo("hash1", RangeSet({ { 5, 10 } })), command.stash());
ASSERT_EQ(PatchInfo(), command.patch());
}
TEST(CommandsTest, Parse_ZERO) {
const std::string input{ "zero 2,1,5" };
std::string err;
Command command = Command::Parse(input, 8, &err);
ASSERT_TRUE(command);
ASSERT_EQ(Command::Type::ZERO, command.type());
ASSERT_EQ(8, command.index());
ASSERT_EQ(input, command.cmdline());
ASSERT_EQ(TargetInfo("unknown-hash", RangeSet({ { 1, 5 } })), command.target());
ASSERT_EQ(SourceInfo(), command.source());
ASSERT_EQ(StashInfo(), command.stash());
ASSERT_EQ(PatchInfo(), command.patch());
}
TEST(CommandsTest, Parse_COMPUTE_HASH_TREE) {
const std::string input{ "compute_hash_tree 2,0,1 2,3,4 sha1 unknown-salt unknown-root-hash" };
std::string err;
Command command = Command::Parse(input, 9, &err);
ASSERT_TRUE(command);
ASSERT_EQ(Command::Type::COMPUTE_HASH_TREE, command.type());
ASSERT_EQ(9, command.index());
ASSERT_EQ(input, command.cmdline());
HashTreeInfo expected_info(RangeSet({ { 0, 1 } }), RangeSet({ { 3, 4 } }), "sha1", "unknown-salt",
"unknown-root-hash");
ASSERT_EQ(expected_info, command.hash_tree_info());
ASSERT_EQ(TargetInfo(), command.target());
ASSERT_EQ(SourceInfo(), command.source());
ASSERT_EQ(StashInfo(), command.stash());
ASSERT_EQ(PatchInfo(), command.patch());
}
TEST(CommandsTest, Parse_InvalidNumberOfArgs) {
Command::abort_allowed_ = true;
// Note that the case of having excess args in BSDIFF, IMGDIFF and MOVE is covered by
// ParseTargetInfoAndSourceInfo_InvalidInput.
std::vector<std::string> inputs{
"abort foo",
"bsdiff",
"compute_hash_tree, 2,0,1 2,0,1 unknown-algorithm unknown-salt",
"erase",
"erase 4,3,5,10,12 hash1",
"free",
"free id1 id2",
"imgdiff",
"move",
"new",
"new 4,3,5,10,12 hash1",
"stash",
"stash id1",
"stash id1 4,3,5,10,12 id2",
"zero",
"zero 4,3,5,10,12 hash2",
};
for (const auto& input : inputs) {
std::string err;
ASSERT_FALSE(Command::Parse(input, 0, &err));
}
}
TEST(SourceInfoTest, Overlaps) {
ASSERT_TRUE(SourceInfo("1d74d1a60332fd38cf9405f1bae67917888da6cb",
RangeSet({ { 7, 9 }, { 16, 20 } }), {}, {})
.Overlaps(TargetInfo("1d74d1a60332fd38cf9405f1bae67917888da6cb",
RangeSet({ { 7, 9 }, { 16, 20 } }))));
ASSERT_TRUE(SourceInfo("1d74d1a60332fd38cf9405f1bae67917888da6cb",
RangeSet({ { 7, 9 }, { 16, 20 } }), {}, {})
.Overlaps(TargetInfo("1d74d1a60332fd38cf9405f1bae67917888da6cb",
RangeSet({ { 4, 7 }, { 16, 23 } }))));
ASSERT_FALSE(SourceInfo("1d74d1a60332fd38cf9405f1bae67917888da6cb",
RangeSet({ { 7, 9 }, { 16, 20 } }), {}, {})
.Overlaps(TargetInfo("1d74d1a60332fd38cf9405f1bae67917888da6cb",
RangeSet({ { 9, 16 } }))));
}
TEST(SourceInfoTest, Overlaps_EmptySourceOrTarget) {
ASSERT_FALSE(SourceInfo().Overlaps(TargetInfo()));
ASSERT_FALSE(SourceInfo().Overlaps(
TargetInfo("1d74d1a60332fd38cf9405f1bae67917888da6cb", RangeSet({ { 7, 9 }, { 16, 20 } }))));
ASSERT_FALSE(SourceInfo("1d74d1a60332fd38cf9405f1bae67917888da6cb",
RangeSet({ { 7, 9 }, { 16, 20 } }), {}, {})
.Overlaps(TargetInfo()));
}
TEST(SourceInfoTest, Overlaps_WithStashes) {
ASSERT_FALSE(SourceInfo("a6cbdf3f416960f02189d3a814ec7e9e95c44a0d",
RangeSet({ { 81, 175 }, { 265, 266 } }), // source ranges
RangeSet({ { 0, 94 }, { 95, 96 } }), // source location
{ StashInfo("9eedf00d11061549e32503cadf054ec6fbfa7a23",
RangeSet({ { 94, 95 } })) })
.Overlaps(TargetInfo("1d74d1a60332fd38cf9405f1bae67917888da6cb",
RangeSet({ { 175, 265 } }))));
ASSERT_TRUE(SourceInfo("a6cbdf3f416960f02189d3a814ec7e9e95c44a0d",
RangeSet({ { 81, 175 }, { 265, 266 } }), // source ranges
RangeSet({ { 0, 94 }, { 95, 96 } }), // source location
{ StashInfo("9eedf00d11061549e32503cadf054ec6fbfa7a23",
RangeSet({ { 94, 95 } })) })
.Overlaps(TargetInfo("1d74d1a60332fd38cf9405f1bae67917888da6cb",
RangeSet({ { 265, 266 } }))));
}
// The block size should be specified by the caller of ReadAll (i.e. from Command instance during
// normal run).
constexpr size_t kBlockSize = 4096;
TEST(SourceInfoTest, ReadAll) {
// "2727756cfee3fbfe24bf5650123fd7743d7b3465" is the SHA-1 hex digest of 8192 * 'a'.
const SourceInfo source("2727756cfee3fbfe24bf5650123fd7743d7b3465", RangeSet({ { 0, 2 } }), {},
{});
auto block_reader = [](const RangeSet& src, std::vector<uint8_t>* block_buffer) -> int {
std::fill_n(block_buffer->begin(), src.blocks() * kBlockSize, 'a');
return 0;
};
auto stash_reader = [](const std::string&, std::vector<uint8_t>*) -> int { return 0; };
std::vector<uint8_t> buffer(source.blocks() * kBlockSize);
ASSERT_TRUE(source.ReadAll(&buffer, kBlockSize, block_reader, stash_reader));
ASSERT_EQ(source.blocks() * kBlockSize, buffer.size());
uint8_t digest[SHA_DIGEST_LENGTH];
SHA1(buffer.data(), buffer.size(), digest);
ASSERT_EQ(source.hash(), print_sha1(digest));
}
TEST(SourceInfoTest, ReadAll_WithStashes) {
const SourceInfo source(
// SHA-1 hex digest of 8192 * 'a' + 4096 * 'b'.
"ee3ebea26130769c10ad13604712100346d48660", RangeSet({ { 0, 2 } }), RangeSet({ { 0, 2 } }),
{ StashInfo("1e41f7a59e80c6eb4dc043caae80d273f130bed8", RangeSet({ { 2, 3 } })) });
auto block_reader = [](const RangeSet& src, std::vector<uint8_t>* block_buffer) -> int {
std::fill_n(block_buffer->begin(), src.blocks() * kBlockSize, 'a');
return 0;
};
auto stash_reader = [](const std::string&, std::vector<uint8_t>* stash_buffer) -> int {
std::fill_n(stash_buffer->begin(), kBlockSize, 'b');
return 0;
};
std::vector<uint8_t> buffer(source.blocks() * kBlockSize);
ASSERT_TRUE(source.ReadAll(&buffer, kBlockSize, block_reader, stash_reader));
ASSERT_EQ(source.blocks() * kBlockSize, buffer.size());
uint8_t digest[SHA_DIGEST_LENGTH];
SHA1(buffer.data(), buffer.size(), digest);
ASSERT_EQ(source.hash(), print_sha1(digest));
}
TEST(SourceInfoTest, ReadAll_BufferTooSmall) {
const SourceInfo source("2727756cfee3fbfe24bf5650123fd7743d7b3465", RangeSet({ { 0, 2 } }), {},
{});
auto block_reader = [](const RangeSet&, std::vector<uint8_t>*) -> int { return 0; };
auto stash_reader = [](const std::string&, std::vector<uint8_t>*) -> int { return 0; };
std::vector<uint8_t> buffer(source.blocks() * kBlockSize - 1);
ASSERT_FALSE(source.ReadAll(&buffer, kBlockSize, block_reader, stash_reader));
}
TEST(SourceInfoTest, ReadAll_FailingReader) {
const SourceInfo source(
"ee3ebea26130769c10ad13604712100346d48660", RangeSet({ { 0, 2 } }), RangeSet({ { 0, 2 } }),
{ StashInfo("1e41f7a59e80c6eb4dc043caae80d273f130bed8", RangeSet({ { 2, 3 } })) });
std::vector<uint8_t> buffer(source.blocks() * kBlockSize);
auto failing_block_reader = [](const RangeSet&, std::vector<uint8_t>*) -> int { return -1; };
auto stash_reader = [](const std::string&, std::vector<uint8_t>*) -> int { return 0; };
ASSERT_FALSE(source.ReadAll(&buffer, kBlockSize, failing_block_reader, stash_reader));
auto block_reader = [](const RangeSet&, std::vector<uint8_t>*) -> int { return 0; };
auto failing_stash_reader = [](const std::string&, std::vector<uint8_t>*) -> int { return -1; };
ASSERT_FALSE(source.ReadAll(&buffer, kBlockSize, block_reader, failing_stash_reader));
}
TEST(TransferListTest, Parse) {
std::vector<std::string> input_lines{
"4", // version
"2", // total blocks
"1", // max stashed entries
"1", // max stashed blocks
"stash 1d74d1a60332fd38cf9405f1bae67917888da6cb 2,0,1",
"move 1d74d1a60332fd38cf9405f1bae67917888da6cb 2,0,1 1 2,0,1",
};
std::string err;
TransferList transfer_list = TransferList::Parse(android::base::Join(input_lines, '\n'), &err);
ASSERT_TRUE(static_cast<bool>(transfer_list));
ASSERT_EQ(4, transfer_list.version());
ASSERT_EQ(2, transfer_list.total_blocks());
ASSERT_EQ(1, transfer_list.stash_max_entries());
ASSERT_EQ(1, transfer_list.stash_max_blocks());
ASSERT_EQ(2U, transfer_list.commands().size());
ASSERT_EQ(Command::Type::STASH, transfer_list.commands()[0].type());
ASSERT_EQ(Command::Type::MOVE, transfer_list.commands()[1].type());
}
TEST(TransferListTest, Parse_InvalidCommand) {
std::vector<std::string> input_lines{
"4", // version
"2", // total blocks
"1", // max stashed entries
"1", // max stashed blocks
"stash 1d74d1a60332fd38cf9405f1bae67917888da6cb 2,0,1",
"move 1d74d1a60332fd38cf9405f1bae67917888da6cb 2,0,1 1",
};
std::string err;
TransferList transfer_list = TransferList::Parse(android::base::Join(input_lines, '\n'), &err);
ASSERT_FALSE(static_cast<bool>(transfer_list));
}
TEST(TransferListTest, Parse_ZeroTotalBlocks) {
std::vector<std::string> input_lines{
"4", // version
"0", // total blocks
"0", // max stashed entries
"0", // max stashed blocks
};
std::string err;
TransferList transfer_list = TransferList::Parse(android::base::Join(input_lines, '\n'), &err);
ASSERT_TRUE(static_cast<bool>(transfer_list));
ASSERT_EQ(4, transfer_list.version());
ASSERT_EQ(0, transfer_list.total_blocks());
ASSERT_EQ(0, transfer_list.stash_max_entries());
ASSERT_EQ(0, transfer_list.stash_max_blocks());
ASSERT_TRUE(transfer_list.commands().empty());
}