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qt6windows7/tests/auto/network/access/hpack/tst_hpack.cpp
kleuter 85d238dfda qt 6.5.1 original
2023-10-29 23:33:08 +01:00

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// Copyright (C) 2016 The Qt Company Ltd.
// Copyright (C) 2014 Governikus GmbH & Co. KG.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#include <QTest>
#include <QRandomGenerator>
#include <QtNetwork/private/bitstreams_p.h>
#include <QtNetwork/private/hpack_p.h>
#include <QtCore/qbytearray.h>
#include <cstdlib>
#include <vector>
#include <string>
QT_USE_NAMESPACE
using namespace HPack;
class tst_Hpack: public QObject
{
Q_OBJECT
public:
tst_Hpack();
private Q_SLOTS:
void bitstreamConstruction();
void bitstreamWrite();
void bitstreamReadWrite();
void bitstreamCompression();
void bitstreamErrors();
void lookupTableConstructor();
void lookupTableStatic();
void lookupTableDynamic();
void hpackEncodeRequest_data();
void hpackEncodeRequest();
void hpackDecodeRequest_data();
void hpackDecodeRequest();
void hpackEncodeResponse_data();
void hpackEncodeResponse();
void hpackDecodeResponse_data();
void hpackDecodeResponse();
// TODO: more-more-more tests needed!
private:
void hpackEncodeRequest(bool withHuffman);
void hpackEncodeResponse(bool withHuffman);
HttpHeader header1;
std::vector<uchar> buffer1;
BitOStream request1;
HttpHeader header2;
std::vector<uchar> buffer2;
BitOStream request2;
HttpHeader header3;
std::vector<uchar> buffer3;
BitOStream request3;
};
using StreamError = BitIStream::Error;
tst_Hpack::tst_Hpack()
: request1(buffer1),
request2(buffer2),
request3(buffer3)
{
}
void tst_Hpack::bitstreamConstruction()
{
const uchar bytes[] = {0xDE, 0xAD, 0xBE, 0xEF};
const int size = int(sizeof bytes);
// Default ctors:
std::vector<uchar> buffer;
{
const BitOStream out(buffer);
QVERIFY(out.bitLength() == 0);
QVERIFY(out.byteLength() == 0);
const BitIStream in;
QVERIFY(in.bitLength() == 0);
QVERIFY(in.streamOffset() == 0);
QVERIFY(in.error() == StreamError::NoError);
}
// Create istream with some data:
{
BitIStream in(bytes, bytes + size);
QVERIFY(in.bitLength() == size * 8);
QVERIFY(in.streamOffset() == 0);
QVERIFY(in.error() == StreamError::NoError);
// 'Read' some data back:
for (int i = 0; i < size; ++i) {
uchar bitPattern = 0;
const auto bitsRead = in.peekBits(quint64(i * 8), 8, &bitPattern);
QVERIFY(bitsRead == 8);
QVERIFY(bitPattern == bytes[i]);
}
}
// Copy ctors:
{
// Ostreams - copy is disabled.
// Istreams:
const BitIStream in1;
const BitIStream in2(in1);
QVERIFY(in2.bitLength() == in1.bitLength());
QVERIFY(in2.streamOffset() == in1.streamOffset());
QVERIFY(in2.error() == StreamError::NoError);
const BitIStream in3(bytes, bytes + size);
const BitIStream in4(in3);
QVERIFY(in4.bitLength() == in3.bitLength());
QVERIFY(in4.streamOffset() == in3.streamOffset());
QVERIFY(in4.error() == StreamError::NoError);
}
}
void tst_Hpack::bitstreamWrite()
{
// Known representations,
// https://http2.github.io/http2-spec/compression.html.
// 5.1 Integer Representation
// Test bit/byte lengths of the
// resulting data:
std::vector<uchar> buffer;
BitOStream out(buffer);
out.write(3);
// 11, fits into 8-bit prefix:
QVERIFY(out.bitLength() == 8);
QVERIFY(out.byteLength() == 1);
QVERIFY(out.begin()[0] == 3);
out.clear();
QVERIFY(out.bitLength() == 0);
QVERIFY(out.byteLength() == 0);
// This number does not fit into 8-bit
// prefix we'll need 2 bytes:
out.write(256);
QVERIFY(out.byteLength() == 2);
QVERIFY(out.bitLength() == 16);
QVERIFY(out.begin()[0] == 0xff);
QVERIFY(out.begin()[1] == 1);
out.clear();
// See 5.2 String Literal Representation.
// We use Huffman code,
// char 'a' has a prefix code 00011 (5 bits)
out.write(QByteArray("aaa", 3), true);
QVERIFY(out.byteLength() == 3);
QVERIFY(out.bitLength() == 24);
// Now we must have in our stream:
// 10000010 | 00011000| 11000111
const uchar *encoded = out.begin();
QVERIFY(encoded[0] == 0x82);
QVERIFY(encoded[1] == 0x18);
QVERIFY(encoded[2] == 0xC7);
// TODO: add more tests ...
}
void tst_Hpack::bitstreamReadWrite()
{
// We can write into the bit stream:
// 1) bit patterns
// 2) integers (see HPACK, 5.1)
// 3) string (see HPACK, 5.2)
std::vector<uchar> buffer;
BitOStream out(buffer);
out.writeBits(0xf, 3);
QVERIFY(out.byteLength() == 1);
QVERIFY(out.bitLength() == 3);
// Now, read it back:
{
BitIStream in(out.begin(), out.end());
uchar bitPattern = 0;
const auto bitsRead = in.peekBits(0, 3, &bitPattern);
// peekBits pack into the most significant byte/bit:
QVERIFY(bitsRead == 3);
QVERIFY((bitPattern >> 5) == 7);
}
const quint32 testInt = 133;
out.write(testInt);
// This integer does not fit into the current 5-bit prefix,
// so byteLength == 2.
QVERIFY(out.byteLength() == 2);
const auto bitLength = out.bitLength();
QVERIFY(bitLength > 3);
// Now, read it back:
{
BitIStream in(out.begin(), out.end());
in.skipBits(3); // Bit pattern
quint32 value = 0;
QVERIFY(in.read(&value));
QVERIFY(in.error() == StreamError::NoError);
QCOMPARE(value, testInt);
}
const QByteArray testString("ABCDE", 5);
out.write(testString, true); // Compressed
out.write(testString, false); // Non-compressed
QVERIFY(out.byteLength() > 2);
QVERIFY(out.bitLength() > bitLength);
// Now, read it back:
{
BitIStream in(out.begin(), out.end());
in.skipBits(bitLength); // Bit pattern and integer
QByteArray value;
// Read compressed string first ...
QVERIFY(in.read(&value));
QCOMPARE(value, testString);
QCOMPARE(in.error(), StreamError::NoError);
// Now non-compressed ...
QVERIFY(in.read(&value));
QCOMPARE(value, testString);
QCOMPARE(in.error(), StreamError::NoError);
}
}
void tst_Hpack::bitstreamCompression()
{
// Similar to bitstreamReadWrite but
// writes/reads a lot of mixed strings/integers.
std::vector<std::string> strings;
std::vector<quint32> integers;
std::vector<bool> isA; // integer or string.
const std::string bytes("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789()[]/*");
const unsigned nValues = 100000;
quint64 totalStringBytes = 0;
std::vector<uchar> buffer;
BitOStream out(buffer);
for (unsigned i = 0; i < nValues; ++i) {
const bool isString = QRandomGenerator::global()->bounded(1000) > 500;
isA.push_back(isString);
if (!isString) {
integers.push_back(QRandomGenerator::global()->bounded(1000u));
out.write(integers.back());
} else {
const auto start = QRandomGenerator::global()->bounded(uint(bytes.length()) / 2);
auto end = start * 2;
if (!end)
end = unsigned(bytes.length() / 2);
strings.push_back(bytes.substr(start, end - start));
const auto &s = strings.back();
totalStringBytes += s.size();
QByteArray data(s.c_str(), int(s.size()));
const bool compressed(QRandomGenerator::global()->bounded(1000) > 500);
out.write(data, compressed);
}
}
qDebug() << "Compressed(?) byte length:" << out.byteLength()
<< "total string bytes:" << totalStringBytes;
qDebug() << "total integer bytes (for quint32):" << integers.size() * sizeof(quint32);
QVERIFY(out.byteLength() > 0);
QVERIFY(out.bitLength() > 0);
BitIStream in(out.begin(), out.end());
for (unsigned i = 0, iS = 0, iI = 0; i < nValues; ++i) {
if (isA[i]) {
QByteArray data;
QVERIFY(in.read(&data));
QCOMPARE(in.error(), StreamError::NoError);
QCOMPARE(data.toStdString(), strings[iS]);
++iS;
} else {
quint32 value = 0;
QVERIFY(in.read(&value));
QCOMPARE(in.error(), StreamError::NoError);
QCOMPARE(value, integers[iI]);
++iI;
}
}
}
void tst_Hpack::bitstreamErrors()
{
{
BitIStream in;
quint32 val = 0;
QVERIFY(!in.read(&val));
QCOMPARE(in.error(), StreamError::NotEnoughData);
}
{
// Integer in a stream, that does not fit into quint32.
const uchar bytes[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
BitIStream in(bytes, bytes + sizeof bytes);
quint32 val = 0;
QVERIFY(!in.read(&val));
QCOMPARE(in.error(), StreamError::InvalidInteger);
}
{
const uchar byte = 0x82; // 1 - Huffman compressed, 2 - the (fake) byte length.
BitIStream in(&byte, &byte + 1);
QByteArray val;
QVERIFY(!in.read(&val));
QCOMPARE(in.error(), StreamError::NotEnoughData);
}
}
void tst_Hpack::lookupTableConstructor()
{
{
FieldLookupTable nonIndexed(4096, false);
QVERIFY(nonIndexed.dynamicDataSize() == 0);
QVERIFY(nonIndexed.numberOfDynamicEntries() == 0);
QVERIFY(nonIndexed.numberOfStaticEntries() != 0);
QVERIFY(nonIndexed.numberOfStaticEntries() == nonIndexed.numberOfEntries());
// Now we add some fake field and verify what 'non-indexed' means ... no search
// by name.
QVERIFY(nonIndexed.prependField("custom-key", "custom-value"));
// 54: 10 + 12 in name/value pair above + 32 required by HPACK specs ...
QVERIFY(nonIndexed.dynamicDataSize() == 54);
QVERIFY(nonIndexed.numberOfDynamicEntries() == 1);
QCOMPARE(nonIndexed.numberOfEntries(), nonIndexed.numberOfStaticEntries() + 1);
// Should fail to find it (invalid index 0) - search is disabled.
QVERIFY(nonIndexed.indexOf("custom-key", "custom-value") == 0);
}
{
// "key" + "value" == 8 bytes, + 32 (HPACK's requirement) == 40.
// Let's ask for a max-size 32 so that entry does not fit:
FieldLookupTable nonIndexed(32, false);
QVERIFY(nonIndexed.prependField("key", "value"));
QVERIFY(nonIndexed.numberOfEntries() == nonIndexed.numberOfStaticEntries());
QVERIFY(nonIndexed.indexOf("key", "value") == 0);
}
{
FieldLookupTable indexed(4096, true);
QVERIFY(indexed.dynamicDataSize() == 0);
QVERIFY(indexed.numberOfDynamicEntries() == 0);
QVERIFY(indexed.numberOfStaticEntries() != 0);
QVERIFY(indexed.numberOfStaticEntries() == indexed.numberOfEntries());
QVERIFY(indexed.prependField("custom-key", "custom-value"));
QVERIFY(indexed.dynamicDataSize() == 54);
QVERIFY(indexed.numberOfDynamicEntries() == 1);
QVERIFY(indexed.numberOfEntries() == indexed.numberOfStaticEntries() + 1);
QVERIFY(indexed.indexOf("custom-key") == indexed.numberOfStaticEntries() + 1);
QVERIFY(indexed.indexOf("custom-key", "custom-value") == indexed.numberOfStaticEntries() + 1);
}
}
void tst_Hpack::lookupTableStatic()
{
const FieldLookupTable table(0, false /*all static, no need in 'search index'*/);
const auto &staticTable = FieldLookupTable::staticPart();
QByteArray name, value;
quint32 currentIndex = 1; // HPACK is indexing starting from 1.
for (const HeaderField &field : staticTable) {
const quint32 index = table.indexOf(field.name, field.value);
QVERIFY(index != 0);
QCOMPARE(index, currentIndex);
QVERIFY(table.field(index, &name, &value));
QCOMPARE(name, field.name);
QCOMPARE(value, field.value);
++currentIndex;
}
}
void tst_Hpack::lookupTableDynamic()
{
// HPACK's table size:
// for every field -> size += field.name.length() + field.value.length() + 32.
// Let's set some size limit and try to fill table with enough entries to have several
// items evicted.
const quint32 tableSize = 8192;
const char stringData[] = "abcdefghijklmnopABCDEFGHIJKLMNOP0123456789()[]:";
const quint32 dataSize = sizeof stringData - 1;
FieldLookupTable table(tableSize, true);
std::vector<QByteArray> fieldsToFind;
quint32 evicted = 0;
while (true) {
// Strings are repeating way too often, I want to
// have at least some items really evicted and not found,
// therefore these weird dances with start/len.
const quint32 start = QRandomGenerator::global()->bounded(dataSize - 10);
quint32 len = QRandomGenerator::global()->bounded(dataSize - start);
if (!len)
len = 1;
const QByteArray val(stringData + start, len);
fieldsToFind.push_back(val);
const quint32 entriesBefore = table.numberOfDynamicEntries();
QVERIFY(table.prependField(val, val));
QVERIFY(table.indexOf(val));
QVERIFY(table.indexOf(val) == table.indexOf(val, val));
QByteArray fieldName, fieldValue;
table.field(table.indexOf(val), &fieldName, &fieldValue);
QVERIFY(val == fieldName);
QVERIFY(val == fieldValue);
if (table.numberOfDynamicEntries() <= entriesBefore) {
// We had to evict several items ...
evicted += entriesBefore - table.numberOfDynamicEntries() + 1;
if (evicted >= 200)
break;
}
}
QVERIFY(table.dynamicDataSize() <= tableSize);
QVERIFY(table.numberOfDynamicEntries() > 0);
QVERIFY(table.indexOf(fieldsToFind.back())); // We MUST have it in a table!
using size_type = std::vector<QByteArray>::size_type;
for (size_type i = 0, e = fieldsToFind.size(); i < e; ++i) {
const auto &val = fieldsToFind[i];
const quint32 index = table.indexOf(val);
if (!index) {
QVERIFY(i < size_type(evicted));
} else {
QVERIFY(index == table.indexOf(val, val));
QByteArray fieldName, fieldValue;
QVERIFY(table.field(index, &fieldName, &fieldValue));
QVERIFY(val == fieldName);
QVERIFY(val == fieldValue);
}
}
table.clearDynamicTable();
QVERIFY(table.numberOfDynamicEntries() == 0);
QVERIFY(table.dynamicDataSize() == 0);
QVERIFY(table.indexOf(fieldsToFind.back()) == 0);
QVERIFY(table.prependField("name1", "value1"));
QVERIFY(table.prependField("name2", "value2"));
QVERIFY(table.indexOf("name1") == table.numberOfStaticEntries() + 2);
QVERIFY(table.indexOf("name2", "value2") == table.numberOfStaticEntries() + 1);
QVERIFY(table.indexOf("name1", "value2") == 0);
QVERIFY(table.indexOf("name2", "value1") == 0);
QVERIFY(table.indexOf("name3") == 0);
QVERIFY(!table.indexIsValid(table.numberOfEntries() + 1));
QVERIFY(table.prependField("name1", "value1"));
QVERIFY(table.numberOfDynamicEntries() == 3);
table.evictEntry();
QVERIFY(table.indexOf("name1") != 0);
table.evictEntry();
QVERIFY(table.indexOf("name2") == 0);
QVERIFY(table.indexOf("name1") != 0);
table.evictEntry();
QVERIFY(table.dynamicDataSize() == 0);
QVERIFY(table.numberOfDynamicEntries() == 0);
QVERIFY(table.indexOf("name1") == 0);
}
void tst_Hpack::hpackEncodeRequest_data()
{
QTest::addColumn<bool>("compression");
QTest::newRow("no-string-compression") << false;
QTest::newRow("with-string-compression") << true;
}
void tst_Hpack::hpackEncodeRequest(bool withHuffman)
{
// This function uses examples from HPACK specs
// (see appendix).
Encoder encoder(4096, withHuffman);
// HPACK, C.3.1 First Request
/*
:method: GET
:scheme: http
:path: /
:authority: www.example.com
Hex dump of encoded data (without Huffman):
8286 8441 0f77 7777 2e65 7861 6d70 6c65 | ...A.www.example
2e63 6f6d
Hex dump of encoded data (with Huffman):
8286 8441 8cf1 e3c2 e5f2 3a6b a0ab 90f4 ff
*/
request1.clear();
header1 = {{":method", "GET"},
{":scheme", "http"},
{":path", "/"},
{":authority", "www.example.com"}};
QVERIFY(encoder.encodeRequest(request1, header1));
QVERIFY(encoder.dynamicTableSize() == 57);
// HPACK, C.3.2 Second Request
/*
Header list to encode:
:method: GET
:scheme: http
:path: /
:authority: www.example.com
cache-control: no-cache
Hex dump of encoded data (without Huffman):
8286 84be 5808 6e6f 2d63 6163 6865
Hex dump of encoded data (with Huffman):
8286 84be 5886 a8eb 1064 9cbf
*/
request2.clear();
header2 = {{":method", "GET"},
{":scheme", "http"},
{":path", "/"},
{":authority", "www.example.com"},
{"cache-control", "no-cache"}};
encoder.encodeRequest(request2, header2);
QVERIFY(encoder.dynamicTableSize() == 110);
// HPACK, C.3.3 Third Request
/*
Header list to encode:
:method: GET
:scheme: https
:path: /index.html
:authority: www.example.com
custom-key: custom-value
Hex dump of encoded data (without Huffman):
8287 85bf 400a 6375 7374 6f6d 2d6b 6579
0c63 7573 746f 6d2d 7661 6c75 65
Hex dump of encoded data (with Huffman):
8287 85bf 4088 25a8 49e9 5ba9 7d7f 8925
a849 e95b b8e8 b4bf
*/
request3.clear();
header3 = {{":method", "GET"},
{":scheme", "https"},
{":path", "/index.html"},
{":authority", "www.example.com"},
{"custom-key", "custom-value"}};
encoder.encodeRequest(request3, header3);
QVERIFY(encoder.dynamicTableSize() == 164);
}
void tst_Hpack::hpackEncodeRequest()
{
QFETCH(bool, compression);
hpackEncodeRequest(compression);
// See comments above about these hex dumps ...
const uchar bytes1NH[] = {0x82, 0x86, 0x84, 0x41,
0x0f, 0x77, 0x77, 0x77,
0x2e, 0x65, 0x78, 0x61,
0x6d, 0x70, 0x6c, 0x65,
0x2e, 0x63, 0x6f, 0x6d};
const uchar bytes1WH[] = {0x82, 0x86, 0x84, 0x41,
0x8c, 0xf1, 0xe3, 0xc2,
0xe5, 0xf2, 0x3a, 0x6b,
0xa0, 0xab, 0x90, 0xf4,
0xff};
const uchar *hexDump1 = compression ? bytes1WH : bytes1NH;
const quint64 byteLength1 = compression ? sizeof bytes1WH : sizeof bytes1NH;
QCOMPARE(request1.byteLength(), byteLength1);
QCOMPARE(request1.bitLength(), byteLength1 * 8);
for (quint32 i = 0, e = request1.byteLength(); i < e; ++i)
QCOMPARE(hexDump1[i], request1.begin()[i]);
const uchar bytes2NH[] = {0x82, 0x86, 0x84, 0xbe,
0x58, 0x08, 0x6e, 0x6f,
0x2d, 0x63, 0x61, 0x63,
0x68, 0x65};
const uchar bytes2WH[] = {0x82, 0x86, 0x84, 0xbe,
0x58, 0x86, 0xa8, 0xeb,
0x10, 0x64, 0x9c, 0xbf};
const uchar *hexDump2 = compression ? bytes2WH : bytes2NH;
const auto byteLength2 = compression ? sizeof bytes2WH : sizeof bytes2NH;
QVERIFY(request2.byteLength() == byteLength2);
QVERIFY(request2.bitLength() == byteLength2 * 8);
for (quint32 i = 0, e = request2.byteLength(); i < e; ++i)
QCOMPARE(hexDump2[i], request2.begin()[i]);
const uchar bytes3NH[] = {0x82, 0x87, 0x85, 0xbf,
0x40, 0x0a, 0x63, 0x75,
0x73, 0x74, 0x6f, 0x6d,
0x2d, 0x6b, 0x65, 0x79,
0x0c, 0x63, 0x75, 0x73,
0x74, 0x6f, 0x6d, 0x2d,
0x76, 0x61, 0x6c, 0x75,
0x65};
const uchar bytes3WH[] = {0x82, 0x87, 0x85, 0xbf,
0x40, 0x88, 0x25, 0xa8,
0x49, 0xe9, 0x5b, 0xa9,
0x7d, 0x7f, 0x89, 0x25,
0xa8, 0x49, 0xe9, 0x5b,
0xb8, 0xe8, 0xb4, 0xbf};
const uchar *hexDump3 = compression ? bytes3WH : bytes3NH;
const quint64 byteLength3 = compression ? sizeof bytes3WH : sizeof bytes3NH;
QCOMPARE(request3.byteLength(), byteLength3);
QCOMPARE(request3.bitLength(), byteLength3 * 8);
for (quint32 i = 0, e = request3.byteLength(); i < e; ++i)
QCOMPARE(hexDump3[i], request3.begin()[i]);
}
void tst_Hpack::hpackDecodeRequest_data()
{
QTest::addColumn<bool>("compression");
QTest::newRow("no-string-compression") << false;
QTest::newRow("with-string-compression") << true;
}
void tst_Hpack::hpackDecodeRequest()
{
QFETCH(bool, compression);
hpackEncodeRequest(compression);
QVERIFY(request1.byteLength());
QVERIFY(request2.byteLength());
QVERIFY(request3.byteLength());
Decoder decoder(4096);
BitIStream inputStream1(request1.begin(), request1.end());
QVERIFY(decoder.decodeHeaderFields(inputStream1));
QCOMPARE(decoder.dynamicTableSize(), quint32(57));
{
const auto &decoded = decoder.decodedHeader();
QVERIFY(decoded == header1);
}
BitIStream inputStream2{request2.begin(), request2.end()};
QVERIFY(decoder.decodeHeaderFields(inputStream2));
QCOMPARE(decoder.dynamicTableSize(), quint32(110));
{
const auto &decoded = decoder.decodedHeader();
QVERIFY(decoded == header2);
}
BitIStream inputStream3(request3.begin(), request3.end());
QVERIFY(decoder.decodeHeaderFields(inputStream3));
QCOMPARE(decoder.dynamicTableSize(), quint32(164));
{
const auto &decoded = decoder.decodedHeader();
QVERIFY(decoded == header3);
}
}
void tst_Hpack::hpackEncodeResponse_data()
{
hpackEncodeRequest_data();
}
void tst_Hpack::hpackEncodeResponse()
{
QFETCH(bool, compression);
hpackEncodeResponse(compression);
// TODO: we can also test bytes - using hex dumps from HPACK's specs,
// for now only test a table behavior/expected sizes.
}
void tst_Hpack::hpackEncodeResponse(bool withCompression)
{
Encoder encoder(256, withCompression); // 256 - this will result in entries evicted.
// HPACK, C.5.1 First Response
/*
Header list to encode:
:status: 302
cache-control: private
date: Mon, 21 Oct 2013 20:13:21 GMT
location: https://www.example.com
*/
request1.clear();
header1 = {{":status", "302"},
{"cache-control", "private"},
{"date", "Mon, 21 Oct 2013 20:13:21 GMT"},
{"location", "https://www.example.com"}};
QVERIFY(encoder.encodeResponse(request1, header1));
QCOMPARE(encoder.dynamicTableSize(), quint32(222));
// HPACK, C.5.2 Second Response
/*
The (":status", "302") header field is evicted from the dynamic
table to free space to allow adding the (":status", "307") header field.
Header list to encode:
:status: 307
cache-control: private
date: Mon, 21 Oct 2013 20:13:21 GMT
location: https://www.example.com
*/
request2.clear();
header2 = {{":status", "307"},
{"cache-control", "private"},
{"date", "Mon, 21 Oct 2013 20:13:21 GMT"},
{"location", "https://www.example.com"}};
QVERIFY(encoder.encodeResponse(request2, header2));
QCOMPARE(encoder.dynamicTableSize(), quint32(222));
// HPACK, C.5.3 Third Response
/*
Several header fields are evicted from the dynamic table
during the processing of this header list.
Header list to encode:
:status: 200
cache-control: private
date: Mon, 21 Oct 2013 20:13:22 GMT
location: https://www.example.com
content-encoding: gzip
set-cookie: foo=ASDJKHQKBZXOQWEOPIUAXQWEOIU; max-age=3600; version=1
*/
request3.clear();
header3 = {{":status", "200"},
{"cache-control", "private"},
{"date", "Mon, 21 Oct 2013 20:13:22 GMT"},
{"location", "https://www.example.com"},
{"content-encoding", "gzip"},
{"set-cookie", "foo=ASDJKHQKBZXOQWEOPIUAXQWEOIU; max-age=3600; version=1"}};
QVERIFY(encoder.encodeResponse(request3, header3));
QCOMPARE(encoder.dynamicTableSize(), quint32(215));
}
void tst_Hpack::hpackDecodeResponse_data()
{
hpackEncodeRequest_data();
}
void tst_Hpack::hpackDecodeResponse()
{
QFETCH(bool, compression);
hpackEncodeResponse(compression);
QVERIFY(request1.byteLength());
Decoder decoder(256); // This size will result in entries evicted.
BitIStream inputStream1(request1.begin(), request1.end());
QVERIFY(decoder.decodeHeaderFields(inputStream1));
QCOMPARE(decoder.dynamicTableSize(), quint32(222));
{
const auto &decoded = decoder.decodedHeader();
QVERIFY(decoded == header1);
}
QVERIFY(request2.byteLength());
BitIStream inputStream2(request2.begin(), request2.end());
QVERIFY(decoder.decodeHeaderFields(inputStream2));
QCOMPARE(decoder.dynamicTableSize(), quint32(222));
{
const auto &decoded = decoder.decodedHeader();
QVERIFY(decoded == header2);
}
QVERIFY(request3.byteLength());
BitIStream inputStream3(request3.begin(), request3.end());
QVERIFY(decoder.decodeHeaderFields(inputStream3));
QCOMPARE(decoder.dynamicTableSize(), quint32(215));
{
const auto &decoded = decoder.decodedHeader();
QVERIFY(decoded == header3);
}
}
QTEST_MAIN(tst_Hpack)
#include "tst_hpack.moc"
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