blob: fc5962bd9e6e68c0e0ddbea37c482673745e8b26 [file] [log] [blame]
// Copyright (c) 2012 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/spdy/test_tools/spdy_test_utils.h"
#include <algorithm>
#include <cstring>
#include <memory>
#include <new>
#include <utility>
#include <vector>
#include "quiche/common/platform/api/quiche_logging.h"
#include "quiche/common/platform/api/quiche_test.h"
#include "quiche/common/quiche_endian.h"
namespace spdy {
namespace test {
std::string HexDumpWithMarks(const unsigned char* data, int length,
const bool* marks, int mark_length) {
static const char kHexChars[] = "0123456789abcdef";
static const int kColumns = 4;
const int kSizeLimit = 1024;
if (length > kSizeLimit || mark_length > kSizeLimit) {
QUICHE_LOG(ERROR) << "Only dumping first " << kSizeLimit << " bytes.";
length = std::min(length, kSizeLimit);
mark_length = std::min(mark_length, kSizeLimit);
}
std::string hex;
for (const unsigned char* row = data; length > 0;
row += kColumns, length -= kColumns) {
for (const unsigned char* p = row; p < row + 4; ++p) {
if (p < row + length) {
const bool mark =
(marks && (p - data) < mark_length && marks[p - data]);
hex += mark ? '*' : ' ';
hex += kHexChars[(*p & 0xf0) >> 4];
hex += kHexChars[*p & 0x0f];
hex += mark ? '*' : ' ';
} else {
hex += " ";
}
}
hex = hex + " ";
for (const unsigned char* p = row; p < row + 4 && p < row + length; ++p) {
hex += (*p >= 0x20 && *p <= 0x7f) ? (*p) : '.';
}
hex = hex + '\n';
}
return hex;
}
void CompareCharArraysWithHexError(const std::string& description,
const unsigned char* actual,
const int actual_len,
const unsigned char* expected,
const int expected_len) {
const int min_len = std::min(actual_len, expected_len);
const int max_len = std::max(actual_len, expected_len);
std::unique_ptr<bool[]> marks(new bool[max_len]);
bool identical = (actual_len == expected_len);
for (int i = 0; i < min_len; ++i) {
if (actual[i] != expected[i]) {
marks[i] = true;
identical = false;
} else {
marks[i] = false;
}
}
for (int i = min_len; i < max_len; ++i) {
marks[i] = true;
}
if (identical) return;
ADD_FAILURE() << "Description:\n"
<< description << "\n\nExpected:\n"
<< HexDumpWithMarks(expected, expected_len, marks.get(),
max_len)
<< "\nActual:\n"
<< HexDumpWithMarks(actual, actual_len, marks.get(), max_len);
}
void SetFrameFlags(SpdySerializedFrame* frame, uint8_t flags) {
frame->data()[4] = flags;
}
void SetFrameLength(SpdySerializedFrame* frame, size_t length) {
QUICHE_CHECK_GT(1u << 14, length);
{
int32_t wire_length = quiche::QuicheEndian::HostToNet32(length);
memcpy(frame->data(), reinterpret_cast<char*>(&wire_length) + 1, 3);
}
}
} // namespace test
} // namespace spdy