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// 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 "net/websockets/websocket_frame.h"
#include <vector>
#include "base/basictypes.h"
#include "net/base/net_errors.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace net {
TEST(WebSocketFrameHeaderTest, FrameLengths) {
struct TestCase {
const char* frame_header;
size_t frame_header_length;
uint64 frame_length;
};
static const TestCase kTests[] = {
{ "\x81\x00", 2, GG_UINT64_C(0) },
{ "\x81\x7D", 2, GG_UINT64_C(125) },
{ "\x81\x7E\x00\x7E", 4, GG_UINT64_C(126) },
{ "\x81\x7E\xFF\xFF", 4, GG_UINT64_C(0xFFFF) },
{ "\x81\x7F\x00\x00\x00\x00\x00\x01\x00\x00", 10, GG_UINT64_C(0x10000) },
{ "\x81\x7F\x7F\xFF\xFF\xFF\xFF\xFF\xFF\xFF", 10,
GG_UINT64_C(0x7FFFFFFFFFFFFFFF) }
};
static const int kNumTests = ARRAYSIZE_UNSAFE(kTests);
for (int i = 0; i < kNumTests; ++i) {
WebSocketFrameHeader header;
header.final = true;
header.reserved1 = false;
header.reserved2 = false;
header.reserved3 = false;
header.opcode = WebSocketFrameHeader::kOpCodeText;
header.masked = false;
header.payload_length = kTests[i].frame_length;
std::vector<char> expected_output(
kTests[i].frame_header,
kTests[i].frame_header + kTests[i].frame_header_length);
std::vector<char> output(expected_output.size());
EXPECT_EQ(static_cast<int>(expected_output.size()),
WriteWebSocketFrameHeader(header, NULL, &output.front(),
output.size()));
EXPECT_EQ(expected_output, output);
}
}
TEST(WebSocketFrameHeaderTest, FrameLengthsWithMasking) {
static const char kMaskingKey[] = "\xDE\xAD\xBE\xEF";
COMPILE_ASSERT(ARRAYSIZE_UNSAFE(kMaskingKey) - 1 ==
WebSocketFrameHeader::kMaskingKeyLength,
incorrect_masking_key_size);
struct TestCase {
const char* frame_header;
size_t frame_header_length;
uint64 frame_length;
};
static const TestCase kTests[] = {
{ "\x81\x80\xDE\xAD\xBE\xEF", 6, GG_UINT64_C(0) },
{ "\x81\xFD\xDE\xAD\xBE\xEF", 6, GG_UINT64_C(125) },
{ "\x81\xFE\x00\x7E\xDE\xAD\xBE\xEF", 8, GG_UINT64_C(126) },
{ "\x81\xFE\xFF\xFF\xDE\xAD\xBE\xEF", 8, GG_UINT64_C(0xFFFF) },
{ "\x81\xFF\x00\x00\x00\x00\x00\x01\x00\x00\xDE\xAD\xBE\xEF", 14,
GG_UINT64_C(0x10000) },
{ "\x81\xFF\x7F\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xDE\xAD\xBE\xEF", 14,
GG_UINT64_C(0x7FFFFFFFFFFFFFFF) }
};
static const int kNumTests = ARRAYSIZE_UNSAFE(kTests);
WebSocketMaskingKey masking_key;
std::copy(kMaskingKey, kMaskingKey + WebSocketFrameHeader::kMaskingKeyLength,
masking_key.key);
for (int i = 0; i < kNumTests; ++i) {
WebSocketFrameHeader header;
header.final = true;
header.reserved1 = false;
header.reserved2 = false;
header.reserved3 = false;
header.opcode = WebSocketFrameHeader::kOpCodeText;
header.masked = true;
header.payload_length = kTests[i].frame_length;
std::vector<char> expected_output(
kTests[i].frame_header,
kTests[i].frame_header + kTests[i].frame_header_length);
std::vector<char> output(expected_output.size());
EXPECT_EQ(static_cast<int>(expected_output.size()),
WriteWebSocketFrameHeader(header, &masking_key,
&output.front(), output.size()));
EXPECT_EQ(expected_output, output);
}
}
TEST(WebSocketFrameHeaderTest, FrameOpCodes) {
struct TestCase {
const char* frame_header;
size_t frame_header_length;
WebSocketFrameHeader::OpCode opcode;
};
static const TestCase kTests[] = {
{ "\x80\x00", 2, WebSocketFrameHeader::kOpCodeContinuation },
{ "\x81\x00", 2, WebSocketFrameHeader::kOpCodeText },
{ "\x82\x00", 2, WebSocketFrameHeader::kOpCodeBinary },
{ "\x88\x00", 2, WebSocketFrameHeader::kOpCodeClose },
{ "\x89\x00", 2, WebSocketFrameHeader::kOpCodePing },
{ "\x8A\x00", 2, WebSocketFrameHeader::kOpCodePong },
// These are undefined opcodes, but the builder should accept them anyway.
{ "\x83\x00", 2, 0x3 },
{ "\x84\x00", 2, 0x4 },
{ "\x85\x00", 2, 0x5 },
{ "\x86\x00", 2, 0x6 },
{ "\x87\x00", 2, 0x7 },
{ "\x8B\x00", 2, 0xB },
{ "\x8C\x00", 2, 0xC },
{ "\x8D\x00", 2, 0xD },
{ "\x8E\x00", 2, 0xE },
{ "\x8F\x00", 2, 0xF }
};
static const int kNumTests = ARRAYSIZE_UNSAFE(kTests);
for (int i = 0; i < kNumTests; ++i) {
WebSocketFrameHeader header;
header.final = true;
header.reserved1 = false;
header.reserved2 = false;
header.reserved3 = false;
header.opcode = kTests[i].opcode;
header.masked = false;
header.payload_length = 0;
std::vector<char> expected_output(
kTests[i].frame_header,
kTests[i].frame_header + kTests[i].frame_header_length);
std::vector<char> output(expected_output.size());
EXPECT_EQ(static_cast<int>(expected_output.size()),
WriteWebSocketFrameHeader(header, NULL,
&output.front(), output.size()));
EXPECT_EQ(expected_output, output);
}
}
TEST(WebSocketFrameHeaderTest, FinalBitAndReservedBits) {
struct TestCase {
const char* frame_header;
size_t frame_header_length;
bool final;
bool reserved1;
bool reserved2;
bool reserved3;
};
static const TestCase kTests[] = {
{ "\x81\x00", 2, true, false, false, false },
{ "\x01\x00", 2, false, false, false, false },
{ "\xC1\x00", 2, true, true, false, false },
{ "\xA1\x00", 2, true, false, true, false },
{ "\x91\x00", 2, true, false, false, true },
{ "\x71\x00", 2, false, true, true, true },
{ "\xF1\x00", 2, true, true, true, true }
};
static const int kNumTests = ARRAYSIZE_UNSAFE(kTests);
for (int i = 0; i < kNumTests; ++i) {
WebSocketFrameHeader header;
header.final = kTests[i].final;
header.reserved1 = kTests[i].reserved1;
header.reserved2 = kTests[i].reserved2;
header.reserved3 = kTests[i].reserved3;
header.opcode = WebSocketFrameHeader::kOpCodeText;
header.masked = false;
header.payload_length = 0;
std::vector<char> expected_output(
kTests[i].frame_header,
kTests[i].frame_header + kTests[i].frame_header_length);
std::vector<char> output(expected_output.size());
EXPECT_EQ(static_cast<int>(expected_output.size()),
WriteWebSocketFrameHeader(header, NULL,
&output.front(), output.size()));
EXPECT_EQ(expected_output, output);
}
}
TEST(WebSocketFrameHeaderTest, InsufficientBufferSize) {
struct TestCase {
uint64 payload_length;
bool masked;
size_t expected_header_size;
};
static const TestCase kTests[] = {
{ GG_UINT64_C(0), false, 2u },
{ GG_UINT64_C(125), false, 2u },
{ GG_UINT64_C(126), false, 4u },
{ GG_UINT64_C(0xFFFF), false, 4u },
{ GG_UINT64_C(0x10000), false, 10u },
{ GG_UINT64_C(0x7FFFFFFFFFFFFFFF), false, 10u },
{ GG_UINT64_C(0), true, 6u },
{ GG_UINT64_C(125), true, 6u },
{ GG_UINT64_C(126), true, 8u },
{ GG_UINT64_C(0xFFFF), true, 8u },
{ GG_UINT64_C(0x10000), true, 14u },
{ GG_UINT64_C(0x7FFFFFFFFFFFFFFF), true, 14u }
};
static const int kNumTests = ARRAYSIZE_UNSAFE(kTests);
for (int i = 0; i < kNumTests; ++i) {
WebSocketFrameHeader header;
header.final = true;
header.reserved1 = false;
header.reserved2 = false;
header.reserved3 = false;
header.opcode = WebSocketFrameHeader::kOpCodeText;
header.masked = kTests[i].masked;
header.payload_length = kTests[i].payload_length;
char dummy_buffer[14];
// Set an insufficient size to |buffer_size|.
EXPECT_EQ(ERR_INVALID_ARGUMENT,
WriteWebSocketFrameHeader(header, NULL, dummy_buffer,
kTests[i].expected_header_size - 1));
}
}
TEST(WebSocketFrameTest, MaskPayload) {
struct TestCase {
const char* masking_key;
uint64 frame_offset;
const char* input;
const char* output;
size_t data_length;
};
static const TestCase kTests[] = {
{ "\xDE\xAD\xBE\xEF", 0, "FooBar", "\x98\xC2\xD1\xAD\xBF\xDF", 6 },
{ "\xDE\xAD\xBE\xEF", 1, "FooBar", "\xEB\xD1\x80\x9C\xCC\xCC", 6 },
{ "\xDE\xAD\xBE\xEF", 2, "FooBar", "\xF8\x80\xB1\xEF\xDF\x9D", 6 },
{ "\xDE\xAD\xBE\xEF", 3, "FooBar", "\xA9\xB1\xC2\xFC\x8E\xAC", 6 },
{ "\xDE\xAD\xBE\xEF", 4, "FooBar", "\x98\xC2\xD1\xAD\xBF\xDF", 6 },
{ "\xDE\xAD\xBE\xEF", 42, "FooBar", "\xF8\x80\xB1\xEF\xDF\x9D", 6 },
{ "\xDE\xAD\xBE\xEF", 0, "", "", 0 },
{ "\xDE\xAD\xBE\xEF", 0, "\xDE\xAD\xBE\xEF", "\x00\x00\x00\x00", 4 },
{ "\xDE\xAD\xBE\xEF", 0, "\x00\x00\x00\x00", "\xDE\xAD\xBE\xEF", 4 },
{ "\x00\x00\x00\x00", 0, "FooBar", "FooBar", 6 },
{ "\xFF\xFF\xFF\xFF", 0, "FooBar", "\xB9\x90\x90\xBD\x9E\x8D", 6 },
};
static const int kNumTests = ARRAYSIZE_UNSAFE(kTests);
for (int i = 0; i < kNumTests; ++i) {
WebSocketMaskingKey masking_key;
std::copy(kTests[i].masking_key,
kTests[i].masking_key + WebSocketFrameHeader::kMaskingKeyLength,
masking_key.key);
std::vector<char> frame_data(kTests[i].input,
kTests[i].input + kTests[i].data_length);
std::vector<char> expected_output(kTests[i].output,
kTests[i].output + kTests[i].data_length);
MaskWebSocketFramePayload(masking_key,
kTests[i].frame_offset,
frame_data.empty() ? NULL : &frame_data.front(),
frame_data.size());
EXPECT_EQ(expected_output, frame_data);
}
}
} // namespace net
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