quiche_data_writer_test.cc | Explore in Territory

// Copyright (c) 2020 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "quiche/common/quiche_data_writer.h"

#include <cstdint>
#include <cstring>
#include <string>
#include <vector>

#include "absl/base/macros.h"
#include "absl/strings/str_cat.h"
#include "absl/strings/string_view.h"
#include "quiche/common/platform/api/quiche_test.h"
#include "quiche/common/quiche_data_reader.h"
#include "quiche/common/quiche_endian.h"
#include "quiche/common/test_tools/quiche_test_utils.h"

namespace quiche {
namespace test {
namespace {

char* AsChars(unsigned char* data) { … }

struct TestParams { … };

// Used by ::testing::PrintToStringParamName().
std::string PrintToString(const TestParams& p) { … }

std::vector<TestParams> GetTestParams() { … }

class QuicheDataWriterTest : public QuicheTestWithParam<TestParams> { … };

INSTANTIATE_TEST_SUITE_P(…);

TEST_P(QuicheDataWriterTest, Write16BitUnsignedIntegers) { … }

TEST_P(QuicheDataWriterTest, Write24BitUnsignedIntegers) { … }

TEST_P(QuicheDataWriterTest, Write32BitUnsignedIntegers) { … }

TEST_P(QuicheDataWriterTest, Write40BitUnsignedIntegers) { … }

TEST_P(QuicheDataWriterTest, Write48BitUnsignedIntegers) { … }

TEST_P(QuicheDataWriterTest, Write56BitUnsignedIntegers) { … }

TEST_P(QuicheDataWriterTest, Write64BitUnsignedIntegers) { … }

TEST_P(QuicheDataWriterTest, WriteIntegers) { … }

TEST_P(QuicheDataWriterTest, WriteBytes) { … }

const int kVarIntBufferLength = …;

// Encodes and then decodes a specified value, checks that the
// value that was encoded is the same as the decoded value, the length
// is correct, and that after decoding, all data in the buffer has
// been consumed..
// Returns true if everything works, false if not.
bool EncodeDecodeValue(uint64_t value_in, char* buffer, size_t size_of_buffer) { … }

// Test that 8-byte-encoded Variable Length Integers are properly laid
// out in the buffer.
TEST_P(QuicheDataWriterTest, VarInt8Layout) { … }

// Test that 4-byte-encoded Variable Length Integers are properly laid
// out in the buffer.
TEST_P(QuicheDataWriterTest, VarInt4Layout) { … }

// Test that 2-byte-encoded Variable Length Integers are properly laid
// out in the buffer.
TEST_P(QuicheDataWriterTest, VarInt2Layout) { … }

// Test that 1-byte-encoded Variable Length Integers are properly laid
// out in the buffer.
TEST_P(QuicheDataWriterTest, VarInt1Layout) { … }

// Test certain, targeted, values that are expected to succeed:
// 0, 1,
// 0x3e, 0x3f, 0x40, 0x41 (around the 1-2 byte transitions)
// 0x3ffe, 0x3fff, 0x4000, 0x4001 (the 2-4 byte transition)
// 0x3ffffffe, 0x3fffffff, 0x40000000, 0x40000001 (the 4-8 byte
//                          transition)
// 0x3ffffffffffffffe, 0x3fffffffffffffff,  (the highest valid values)
// 0xfe, 0xff, 0x100, 0x101,
// 0xfffe, 0xffff, 0x10000, 0x10001,
// 0xfffffe, 0xffffff, 0x1000000, 0x1000001,
// 0xfffffffe, 0xffffffff, 0x100000000, 0x100000001,
// 0xfffffffffe, 0xffffffffff, 0x10000000000, 0x10000000001,
// 0xfffffffffffe, 0xffffffffffff, 0x1000000000000, 0x1000000000001,
// 0xfffffffffffffe, 0xffffffffffffff, 0x100000000000000, 0x100000000000001,
TEST_P(QuicheDataWriterTest, VarIntGoodTargetedValues) { … }
//
// Test certain, targeted, values where failure is expected (the
// values are invalid w.r.t. IETF VarInt encoding):
// 0x4000000000000000, 0x4000000000000001,  ( Just above max allowed value)
// 0xfffffffffffffffe, 0xffffffffffffffff,  (should fail)
TEST_P(QuicheDataWriterTest, VarIntBadTargetedValues) { … }
// Test writing varints with a forced length.
TEST_P(QuicheDataWriterTest, WriteVarInt62WithForcedLength) { … }

// Following tests all try to fill the buffer with multiple values,
// go one value more than the buffer can accommodate, then read
// the successfully encoded values, and try to read the unsuccessfully
// encoded value. The following is the number of values to encode.
const int kMultiVarCount = …;

// Test writing & reading multiple 8-byte-encoded varints
TEST_P(QuicheDataWriterTest, MultiVarInt8) { … }

// Test writing & reading multiple 4-byte-encoded varints
TEST_P(QuicheDataWriterTest, MultiVarInt4) { … }

// Test writing & reading multiple 2-byte-encoded varints
TEST_P(QuicheDataWriterTest, MultiVarInt2) { … }

// Test writing & reading multiple 1-byte-encoded varints
TEST_P(QuicheDataWriterTest, MultiVarInt1) { … }

TEST_P(QuicheDataWriterTest, Seek) { … }

TEST_P(QuicheDataWriterTest, SeekTooFarFails) { … }

TEST_P(QuicheDataWriterTest, PayloadReads) { … }

}  // namespace
}  // namespace test
}  // namespace quiche
chromium/net/third_party/quiche/src/quiche/common/quiche_data_writer_test.cc
