1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 #include "net/spdy/spdy_test_utils.h"
9 #include "base/logging.h"
10 #include "base/memory/scoped_ptr.h"
11 #include "base/sys_byteorder.h"
12 #include "testing/gtest/include/gtest/gtest.h"
18 std::string HexDumpWithMarks(const unsigned char* data, int length,
19 const bool* marks, int mark_length) {
20 static const char kHexChars[] = "0123456789abcdef";
21 static const int kColumns = 4;
23 const int kSizeLimit = 1024;
24 if (length > kSizeLimit || mark_length > kSizeLimit) {
25 LOG(ERROR) << "Only dumping first " << kSizeLimit << " bytes.";
26 length = std::min(length, kSizeLimit);
27 mark_length = std::min(mark_length, kSizeLimit);
31 for (const unsigned char* row = data; length > 0;
32 row += kColumns, length -= kColumns) {
33 for (const unsigned char *p = row; p < row + 4; ++p) {
34 if (p < row + length) {
36 (marks && (p - data) < mark_length && marks[p - data]);
37 hex += mark ? '*' : ' ';
38 hex += kHexChars[(*p & 0xf0) >> 4];
39 hex += kHexChars[*p & 0x0f];
40 hex += mark ? '*' : ' ';
47 for (const unsigned char *p = row; p < row + 4 && p < row + length; ++p)
48 hex += (*p >= 0x20 && *p <= 0x7f) ? (*p) : '.';
55 void CompareCharArraysWithHexError(
56 const std::string& description,
57 const unsigned char* actual,
59 const unsigned char* expected,
60 const int expected_len) {
61 const int min_len = std::min(actual_len, expected_len);
62 const int max_len = std::max(actual_len, expected_len);
63 scoped_ptr<bool[]> marks(new bool[max_len]);
64 bool identical = (actual_len == expected_len);
65 for (int i = 0; i < min_len; ++i) {
66 if (actual[i] != expected[i]) {
73 for (int i = min_len; i < max_len; ++i) {
76 if (identical) return;
81 << HexDumpWithMarks(expected, expected_len, marks.get(), max_len)
83 << HexDumpWithMarks(actual, actual_len, marks.get(), max_len);
86 void SetFrameFlags(SpdyFrame* frame,
88 SpdyMajorVersion spdy_version) {
89 switch (spdy_version) {
92 frame->data()[4] = flags;
96 frame->data()[3] = flags;
99 LOG(FATAL) << "Unsupported SPDY version.";
103 void SetFrameLength(SpdyFrame* frame,
105 SpdyMajorVersion spdy_version) {
106 switch (spdy_version) {
109 CHECK_EQ(0u, length & ~kLengthMask);
111 int32 wire_length = base::HostToNet32(length);
112 // The length field in SPDY 2 and 3 is a 24-bit (3B) integer starting at
114 memcpy(frame->data() + 5, reinterpret_cast<char*>(&wire_length) + 1, 3);
119 CHECK_GT(1u<<14, length);
121 int32 wire_length = base::HostToNet16(static_cast<uint16>(length));
122 memcpy(frame->data(),
123 reinterpret_cast<char*>(&wire_length),
128 LOG(FATAL) << "Unsupported SPDY version.";