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transmission/tests/libtransmission/block-info-test.cc
Charles Kerr 1cc9da26ba
fix: sonarcloud (#2865)
* refactor: implement FileTreeItem::children_ with a std::vector

* fix: std::move should not be called on forwarding reference

* fix: uninitialized scalar variable

* fix: unchecked return value from library

* fix: dereference before null check

* fix: unchecked return value from library

* fix: unchecked return value from library

* fixup! refactor: implement FileTreeItem::children_ with a std::vector

* fix: signed-unsigned comparison in libtransmission tests

* fix: avoid unnecessary copy by using const reference

* fix: function should be declared const

* refactor: use fmt::format to build log timestamps

* fix: use init-statement to reduce variable scope

* fixup! refactor: use fmt::format to build log timestamps

* fix: remove tau_tracker destructor for rule-of-zero

* fix: remove tr_peerIo destructor for rule-of-zero

* Revert "fix: dereference before null check"

This reverts commit cd78967815.

* fix: signed-unsigned comparison in libtransmission tests

* fix: use init-statement to reduce variable scope

* fix: extract nested code block into separate method

* fix: extract nested code block into separate method

* fix: extract nested code block into separate method

* fix: use init-statement to reduce variable scope

* fix: extract nested code block into separate method

* fix: signed-unsigned comparison in libtransmission tests

* fixup! fix: extract nested code block into separate method

* fix: mark possibly-unused as [[maybe_unused]]

* fix: invalid stack memory reference in tr_found_file_t

* fix: signed-unsigned comparison in libtransmission tests
2022-04-02 09:06:02 -05:00

305 lines
10 KiB
C++

// This file Copyright (C) 2021-2022 Mnemosyne LLC.
// It may be used under GPLv2 (SPDX: GPL-2.0), GPLv3 (SPDX: GPL-3.0),
// or any future license endorsed by Mnemosyne LLC.
// License text can be found in the licenses/ folder.
#include <cstdint>
#include "transmission.h"
#include "block-info.h"
#include "gtest/gtest.h"
using BlockInfoTest = ::testing::Test;
TEST_F(BlockInfoTest, fieldsAreSet)
{
auto info = tr_block_info{};
uint64_t constexpr ExpectedBlockSize = 1024 * 16;
uint64_t constexpr ExpectedBlocksPerPiece = 4;
uint64_t constexpr PieceSize = ExpectedBlockSize * ExpectedBlocksPerPiece;
uint64_t constexpr PieceCount = 4;
uint64_t constexpr TotalSize = PieceSize * PieceCount;
info.initSizes(TotalSize, PieceSize);
EXPECT_EQ(ExpectedBlockSize, info.final_block_size);
EXPECT_EQ(PieceCount, info.n_pieces);
EXPECT_EQ(PieceSize, info.final_piece_size);
EXPECT_EQ(PieceSize, info.piece_size);
EXPECT_EQ(TotalSize, info.total_size);
info.initSizes(0, 0);
EXPECT_EQ(0U, info.final_block_size);
EXPECT_EQ(0U, info.n_pieces);
EXPECT_EQ(0U, info.final_piece_size);
EXPECT_EQ(0U, info.piece_size);
EXPECT_EQ(0U, info.total_size);
}
TEST_F(BlockInfoTest, handlesOddSize)
{
auto info = tr_block_info{};
uint64_t constexpr ExpectedBlockSize = 1024 * 16;
uint64_t constexpr ExpectedBlocksPerPiece = 4;
uint64_t constexpr PieceSize = ExpectedBlockSize * ExpectedBlocksPerPiece;
uint64_t constexpr PieceCount = 5;
uint64_t constexpr TotalSize = PieceSize * (PieceCount - 1) + 1;
info.initSizes(TotalSize, PieceSize);
EXPECT_EQ(1U, info.final_block_size);
EXPECT_EQ(1U, info.final_piece_size);
EXPECT_EQ(PieceCount, info.n_pieces);
EXPECT_EQ(PieceSize, info.piece_size);
EXPECT_EQ(TotalSize, info.total_size);
}
TEST_F(BlockInfoTest, pieceSize)
{
auto info = tr_block_info{};
uint64_t constexpr ExpectedBlockSize = 1024 * 16;
uint64_t constexpr ExpectedBlocksPerPiece = 4;
uint64_t constexpr PieceSize = ExpectedBlockSize * ExpectedBlocksPerPiece;
uint64_t constexpr PieceCount = 5;
uint64_t constexpr TotalSize = PieceSize * (PieceCount - 1) + 1;
info.initSizes(TotalSize, PieceSize);
EXPECT_EQ(PieceSize, info.pieceSize(info.n_pieces - 2));
EXPECT_EQ(1U, info.pieceSize(info.n_pieces - 1));
}
TEST_F(BlockInfoTest, blockSize)
{
auto info = tr_block_info{};
uint64_t constexpr ExpectedBlockSize = 1024 * 16;
uint64_t constexpr ExpectedBlocksPerPiece = 4;
uint64_t constexpr PieceSize = ExpectedBlockSize * ExpectedBlocksPerPiece;
uint64_t constexpr PieceCount = 5;
uint64_t constexpr TotalSize = PieceSize * (PieceCount - 1) + 1;
info.initSizes(TotalSize, PieceSize);
EXPECT_EQ(ExpectedBlockSize, info.blockSize(info.n_blocks - 2));
EXPECT_EQ(1U, info.blockSize(info.n_blocks - 1));
}
TEST_F(BlockInfoTest, blockSpanForPiece)
{
auto info = tr_block_info{};
uint64_t constexpr ExpectedBlockSize = 1024 * 16;
uint64_t constexpr ExpectedBlocksPerPiece = 4;
uint64_t constexpr PieceSize = ExpectedBlockSize * ExpectedBlocksPerPiece;
uint64_t constexpr PieceCount = 5;
uint64_t constexpr TotalSize = PieceSize * (PieceCount - 1) + 1;
info.initSizes(TotalSize, PieceSize);
EXPECT_EQ(0U, info.blockSpanForPiece(0).begin);
EXPECT_EQ(4U, info.blockSpanForPiece(0).end);
EXPECT_EQ(12U, info.blockSpanForPiece(3).begin);
EXPECT_EQ(16U, info.blockSpanForPiece(3).end);
EXPECT_EQ(16U, info.blockSpanForPiece(4).begin);
EXPECT_EQ(17U, info.blockSpanForPiece(4).end);
// test that uninitialized block_info returns an invalid span
info = tr_block_info{};
EXPECT_EQ(0U, info.blockSpanForPiece(0).begin);
EXPECT_EQ(0U, info.blockSpanForPiece(0).end);
}
TEST_F(BlockInfoTest, blockLoc)
{
auto info = tr_block_info{};
uint64_t constexpr ExpectedBlockSize = 1024 * 16;
uint64_t constexpr ExpectedBlocksPerPiece = 4;
uint64_t constexpr PieceSize = ExpectedBlockSize * ExpectedBlocksPerPiece;
uint64_t constexpr PieceCount = 5;
uint64_t constexpr TotalSize = PieceSize * (PieceCount - 1) + 1;
info.initSizes(TotalSize, PieceSize);
// begin
auto loc = info.blockLoc(0);
EXPECT_EQ(tr_block_info::Location{}, loc);
// third block is halfway through the first piece
loc = info.blockLoc(2);
EXPECT_EQ(ExpectedBlockSize * 2U, loc.byte);
EXPECT_EQ(2U, loc.block);
EXPECT_EQ(0U, loc.block_offset);
EXPECT_EQ(0U, loc.piece);
EXPECT_EQ(ExpectedBlockSize * 2U, loc.piece_offset);
// second piece aligns with fifth block
loc = info.blockLoc(4);
EXPECT_EQ(PieceSize, loc.byte);
EXPECT_EQ(4U, loc.block);
EXPECT_EQ(0U, loc.block_offset);
EXPECT_EQ(1U, loc.piece);
EXPECT_EQ(0U, loc.piece_offset);
}
TEST_F(BlockInfoTest, blockLastLoc)
{
auto info = tr_block_info{};
uint64_t constexpr ExpectedBlockSize = 1024 * 16;
uint64_t constexpr ExpectedBlocksPerPiece = 4;
uint64_t constexpr PieceSize = ExpectedBlockSize * ExpectedBlocksPerPiece;
uint64_t constexpr PieceCount = 5;
uint64_t constexpr TotalSize = PieceSize * (PieceCount - 1) + 1;
info.initSizes(TotalSize, PieceSize);
auto loc = info.blockLastLoc(0);
EXPECT_EQ(ExpectedBlockSize - 1, loc.byte);
EXPECT_EQ(0U, loc.block);
EXPECT_EQ(ExpectedBlockSize - 1, loc.block_offset);
EXPECT_EQ(0U, loc.piece);
EXPECT_EQ(ExpectedBlockSize - 1, loc.piece_offset);
loc = info.blockLastLoc(info.blockCount() - 1);
EXPECT_EQ(info.totalSize() - 1, loc.byte);
EXPECT_EQ(info.blockCount() - 1, loc.block);
EXPECT_EQ(info.totalSize() - 1 - (ExpectedBlockSize * (info.blockCount() - 1)), loc.block_offset);
EXPECT_EQ(info.pieceCount() - 1, loc.piece);
EXPECT_EQ(info.totalSize() - 1 - PieceSize * (PieceCount - 1), loc.piece_offset);
}
TEST_F(BlockInfoTest, pieceLoc)
{
auto info = tr_block_info{};
uint64_t constexpr ExpectedBlockSize = 1024 * 16;
uint64_t constexpr ExpectedBlocksPerPiece = 4;
uint64_t constexpr PieceSize = ExpectedBlockSize * ExpectedBlocksPerPiece;
uint64_t constexpr PieceCount = 5;
uint64_t constexpr TotalSize = PieceSize * (PieceCount - 1) + 1;
info.initSizes(TotalSize, PieceSize);
// begin
auto loc = info.pieceLoc(0);
EXPECT_EQ(tr_block_info::Location{}, loc);
for (uint64_t i = 0; i < PieceCount; ++i)
{
loc = info.pieceLoc(i);
EXPECT_EQ(info.blockLoc(i * ExpectedBlocksPerPiece), loc);
EXPECT_EQ(PieceSize * i, loc.byte);
EXPECT_EQ(ExpectedBlocksPerPiece * i, loc.block);
EXPECT_EQ(0U, loc.block_offset);
EXPECT_EQ(i, loc.piece);
EXPECT_EQ(0U, loc.piece_offset);
}
loc = info.pieceLoc(0, PieceSize - 1);
EXPECT_EQ(PieceSize - 1, loc.byte);
EXPECT_EQ(ExpectedBlocksPerPiece - 1, loc.block);
EXPECT_EQ(ExpectedBlockSize - 1, loc.block_offset);
EXPECT_EQ(0U, loc.piece);
EXPECT_EQ(PieceSize - 1, loc.piece_offset);
loc = info.pieceLoc(0, PieceSize);
EXPECT_EQ(PieceSize, loc.byte);
EXPECT_EQ(ExpectedBlocksPerPiece, loc.block);
EXPECT_EQ(0U, loc.block_offset);
EXPECT_EQ(1U, loc.piece);
EXPECT_EQ(0U, loc.piece_offset);
loc = info.pieceLoc(0, PieceSize + 1);
EXPECT_EQ(PieceSize + 1, loc.byte);
EXPECT_EQ(ExpectedBlocksPerPiece, loc.block);
EXPECT_EQ(1U, loc.block_offset);
EXPECT_EQ(1U, loc.piece);
EXPECT_EQ(1U, loc.piece_offset);
}
TEST_F(BlockInfoTest, pieceLastLoc)
{
auto info = tr_block_info{};
uint64_t constexpr ExpectedBlockSize = 1024 * 16;
uint64_t constexpr ExpectedBlocksPerPiece = 4;
uint64_t constexpr PieceSize = ExpectedBlockSize * ExpectedBlocksPerPiece;
uint64_t constexpr PieceCount = 5;
uint64_t constexpr TotalSize = PieceSize * (PieceCount - 1) + 1;
info.initSizes(TotalSize, PieceSize);
auto loc = info.pieceLastLoc(0);
EXPECT_EQ(PieceSize - 1, loc.byte);
EXPECT_EQ(ExpectedBlocksPerPiece - 1, loc.block);
EXPECT_EQ(ExpectedBlockSize - 1, loc.block_offset);
EXPECT_EQ(0U, loc.piece);
EXPECT_EQ(PieceSize - 1, loc.piece_offset);
loc = info.pieceLastLoc(info.pieceCount() - 1);
EXPECT_EQ(info.totalSize() - 1, loc.byte);
EXPECT_EQ(info.blockCount() - 1, loc.block);
EXPECT_EQ(info.totalSize() - 1 - (ExpectedBlockSize * (info.blockCount() - 1)), loc.block_offset);
EXPECT_EQ(info.pieceCount() - 1, loc.piece);
EXPECT_EQ(info.totalSize() - 1 - PieceSize * (PieceCount - 1), loc.piece_offset);
}
TEST_F(BlockInfoTest, byteLoc)
{
auto info = tr_block_info{};
uint64_t constexpr ExpectedBlockSize = 1024 * 16;
uint64_t constexpr ExpectedBlocksPerPiece = 4;
uint64_t constexpr PieceSize = ExpectedBlockSize * ExpectedBlocksPerPiece;
uint64_t constexpr PieceCount = 5;
uint64_t constexpr TotalSize = PieceSize * (PieceCount - 1) + 1;
info.initSizes(TotalSize, PieceSize);
auto loc = info.byteLoc(0);
EXPECT_EQ(tr_block_info::Location{}, loc);
loc = info.byteLoc(1);
EXPECT_EQ(1U, loc.byte);
EXPECT_EQ(0U, loc.block);
EXPECT_EQ(1U, loc.block_offset);
EXPECT_EQ(0U, loc.piece);
EXPECT_EQ(1U, loc.piece_offset);
auto n = ExpectedBlockSize - 1;
loc = info.byteLoc(n);
EXPECT_EQ(n, loc.byte);
EXPECT_EQ(0U, loc.block);
EXPECT_EQ(n, loc.block_offset);
EXPECT_EQ(0U, loc.piece);
EXPECT_EQ(n, loc.piece_offset);
n = ExpectedBlockSize;
loc = info.byteLoc(n);
EXPECT_EQ(n, loc.byte);
EXPECT_EQ(1U, loc.block);
EXPECT_EQ(0U, loc.block_offset);
EXPECT_EQ(0U, loc.piece);
EXPECT_EQ(n, loc.piece_offset);
n = ExpectedBlockSize + 1;
loc = info.byteLoc(n);
EXPECT_EQ(n, loc.byte);
EXPECT_EQ(1U, loc.block);
EXPECT_EQ(1U, loc.block_offset);
EXPECT_EQ(0U, loc.piece);
EXPECT_EQ(n, loc.piece_offset);
n = PieceSize - 1;
loc = info.byteLoc(n);
EXPECT_EQ(n, loc.byte);
EXPECT_EQ(ExpectedBlocksPerPiece - 1, loc.block);
EXPECT_EQ(ExpectedBlockSize - 1, loc.block_offset);
EXPECT_EQ(0U, loc.piece);
EXPECT_EQ(n, loc.piece_offset);
n = PieceSize;
loc = info.byteLoc(n);
EXPECT_EQ(n, loc.byte);
EXPECT_EQ(ExpectedBlocksPerPiece, loc.block);
EXPECT_EQ(0U, loc.block_offset);
EXPECT_EQ(1U, loc.piece);
EXPECT_EQ(0U, loc.piece_offset);
}