mirror of
https://github.com/crystalidea/qt6windows7.git
synced 2025-07-05 16:55:25 +08:00
qt 6.5.1 original
This commit is contained in:
kleuter
14
tests/auto/corelib/text/qbytearraymatcher/CMakeLists.txt
Normal file
14
tests/auto/corelib/text/qbytearraymatcher/CMakeLists.txt
Normal file
@ -0,0 +1,14 @@
|
||||
# Copyright (C) 2022 The Qt Company Ltd.
|
||||
# SPDX-License-Identifier: BSD-3-Clause
|
||||
|
||||
#####################################################################
|
||||
## tst_qbytearraymatcher Test:
|
||||
#####################################################################
|
||||
|
||||
qt_internal_add_test(tst_qbytearraymatcher
|
||||
SOURCES
|
||||
tst_qbytearraymatcher.cpp
|
||||
)
|
||||
|
||||
## Scopes:
|
||||
#####################################################################
|
||||
@ -0,0 +1,300 @@
|
||||
// Copyright (C) 2016 The Qt Company Ltd.
|
||||
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
|
||||
|
||||
|
||||
#include <QTest>
|
||||
|
||||
#include <qbytearraymatcher.h>
|
||||
|
||||
#include <numeric>
|
||||
#include <string>
|
||||
|
||||
#if QT_CONFIG(cxx11_future)
|
||||
# include <thread>
|
||||
#endif
|
||||
|
||||
// COM interface
|
||||
#if defined(Q_OS_WIN) && defined(interface)
|
||||
# undef interface
|
||||
#endif
|
||||
|
||||
class tst_QByteArrayMatcher : public QObject
|
||||
{
|
||||
Q_OBJECT
|
||||
|
||||
private slots:
|
||||
void overloads();
|
||||
void interface();
|
||||
void indexIn();
|
||||
void staticByteArrayMatcher();
|
||||
void haystacksWithMoreThan4GiBWork();
|
||||
};
|
||||
|
||||
void tst_QByteArrayMatcher::overloads()
|
||||
{
|
||||
QByteArray hello = QByteArrayLiteral("hello");
|
||||
QByteArray hello2 = hello.repeated(2);
|
||||
{
|
||||
QByteArrayMatcher m("hello");
|
||||
QCOMPARE(m.pattern(), "hello");
|
||||
QCOMPARE(m.indexIn("hello"), 0);
|
||||
}
|
||||
{
|
||||
QByteArrayMatcher m("hello", qsizetype(3));
|
||||
QCOMPARE(m.pattern(), "hel");
|
||||
QCOMPARE(m.indexIn("hellohello", qsizetype(2)), -1); // haystack is "he", not: from is 2
|
||||
QCOMPARE(m.indexIn("hellohello", qsizetype(3)), 0); // haystack is "hel", not: from is 3
|
||||
}
|
||||
{
|
||||
QByteArrayMatcher m(hello);
|
||||
QCOMPARE(m.pattern(), "hello");
|
||||
QCOMPARE(m.indexIn(hello), 0);
|
||||
QCOMPARE(m.indexIn(hello2, qsizetype(1)), hello.size());
|
||||
}
|
||||
{
|
||||
QStaticByteArrayMatcher m("hel");
|
||||
QCOMPARE(m.pattern(), "hel");
|
||||
QCOMPARE(m.indexIn("hello"), qsizetype(0));
|
||||
QCOMPARE(m.indexIn("hellohello", qsizetype(2)), -1); // haystack is "he", not: from is 2
|
||||
QCOMPARE(m.indexIn("hellohello", qsizetype(3)), 0); // haystack is "hel", not: from is 3
|
||||
QCOMPARE(m.indexIn(hello), 0);
|
||||
QCOMPARE(m.indexIn(hello2, qsizetype(2)), hello.size()); // from is 2
|
||||
QCOMPARE(m.indexIn(hello2, qsizetype(3)), hello.size()); // from is 3
|
||||
}
|
||||
}
|
||||
|
||||
void tst_QByteArrayMatcher::interface()
|
||||
{
|
||||
const char needle[] = "abc123";
|
||||
QByteArray haystack(500, 'a');
|
||||
haystack.insert(6, "123");
|
||||
haystack.insert(31, "abc");
|
||||
haystack.insert(42, "abc123");
|
||||
haystack.insert(84, "abc123");
|
||||
|
||||
QByteArrayMatcher matcher1;
|
||||
|
||||
matcher1 = QByteArrayMatcher(QByteArray(needle));
|
||||
QByteArrayMatcher matcher2;
|
||||
matcher2.setPattern(QByteArray(needle));
|
||||
|
||||
QByteArrayMatcher matcher3 = QByteArrayMatcher(QByteArray(needle));
|
||||
QByteArrayMatcher matcher4(needle, sizeof(needle) - 1);
|
||||
QByteArrayMatcher matcher5(matcher2);
|
||||
QByteArrayMatcher matcher6;
|
||||
matcher6 = matcher3;
|
||||
|
||||
QCOMPARE(matcher1.indexIn(haystack), 42);
|
||||
QCOMPARE(matcher2.indexIn(haystack), 42);
|
||||
QCOMPARE(matcher3.indexIn(haystack), 42);
|
||||
QCOMPARE(matcher4.indexIn(haystack), 42);
|
||||
QCOMPARE(matcher5.indexIn(haystack), 42);
|
||||
QCOMPARE(matcher6.indexIn(haystack), 42);
|
||||
|
||||
QCOMPARE(matcher1.indexIn(haystack.constData(), haystack.size()), 42);
|
||||
|
||||
QCOMPARE(matcher1.indexIn(haystack, 43), 84);
|
||||
QCOMPARE(matcher1.indexIn(haystack.constData(), haystack.size(), 43), 84);
|
||||
QCOMPARE(matcher1.indexIn(haystack, 85), -1);
|
||||
QCOMPARE(matcher1.indexIn(haystack.constData(), haystack.size(), 85), -1);
|
||||
|
||||
QByteArrayMatcher matcher7(QByteArray("123"));
|
||||
QCOMPARE(matcher7.indexIn(haystack), 6);
|
||||
|
||||
matcher7 = QByteArrayMatcher(QByteArray("abc"));
|
||||
QCOMPARE(matcher7.indexIn(haystack), 31);
|
||||
|
||||
matcher7.setPattern(matcher4.pattern());
|
||||
QCOMPARE(matcher7.indexIn(haystack), 42);
|
||||
}
|
||||
|
||||
#define LONG_STRING__32 "abcdefghijklmnopqrstuvwxyz012345"
|
||||
#define LONG_STRING__64 LONG_STRING__32 LONG_STRING__32
|
||||
#define LONG_STRING_128 LONG_STRING__64 LONG_STRING__64
|
||||
#define LONG_STRING_256 LONG_STRING_128 LONG_STRING_128
|
||||
|
||||
void tst_QByteArrayMatcher::indexIn()
|
||||
{
|
||||
const char p_data[] = { 0x0, 0x0, 0x1 };
|
||||
QByteArray pattern(p_data, sizeof(p_data));
|
||||
|
||||
QByteArray haystack(8, '\0');
|
||||
haystack[7] = 0x1;
|
||||
|
||||
QByteArrayMatcher matcher;
|
||||
|
||||
matcher = QByteArrayMatcher(pattern);
|
||||
QCOMPARE(matcher.indexIn(haystack, 0), 5);
|
||||
QCOMPARE(matcher.indexIn(haystack, 1), 5);
|
||||
QCOMPARE(matcher.indexIn(haystack, 2), 5);
|
||||
|
||||
matcher.setPattern(pattern);
|
||||
QCOMPARE(matcher.indexIn(haystack, 0), 5);
|
||||
QCOMPARE(matcher.indexIn(haystack, 1), 5);
|
||||
QCOMPARE(matcher.indexIn(haystack, 2), 5);
|
||||
|
||||
QByteArray allChars(256, Qt::Uninitialized);
|
||||
for (int i = 0; i < 256; ++i)
|
||||
allChars[i] = char(i);
|
||||
|
||||
matcher = QByteArrayMatcher(allChars);
|
||||
haystack = LONG_STRING__32 "x" + matcher.pattern();
|
||||
QCOMPARE(matcher.indexIn(haystack, 0), 33);
|
||||
QCOMPARE(matcher.indexIn(haystack, 1), 33);
|
||||
QCOMPARE(matcher.indexIn(haystack, 2), 33);
|
||||
QCOMPARE(matcher.indexIn(haystack, 33), 33);
|
||||
QCOMPARE(matcher.indexIn(haystack, 34), -1);
|
||||
|
||||
matcher = QByteArrayMatcher(LONG_STRING_256);
|
||||
haystack = LONG_STRING__32 "x" + matcher.pattern();
|
||||
QCOMPARE(matcher.indexIn(haystack, 0), 33);
|
||||
QCOMPARE(matcher.indexIn(haystack, 1), 33);
|
||||
QCOMPARE(matcher.indexIn(haystack, 2), 33);
|
||||
QCOMPARE(matcher.indexIn(haystack, 33), 33);
|
||||
QCOMPARE(matcher.indexIn(haystack, 34), -1);
|
||||
}
|
||||
|
||||
void tst_QByteArrayMatcher::staticByteArrayMatcher()
|
||||
{
|
||||
{
|
||||
static constexpr auto smatcher = qMakeStaticByteArrayMatcher("Hello");
|
||||
QCOMPARE(smatcher.pattern(), QByteArrayLiteral("Hello"));
|
||||
|
||||
QCOMPARE(smatcher.indexIn(QByteArray("Hello, World!")), 0);
|
||||
QCOMPARE(smatcher.indexIn(QByteArray("Hello, World!"), 0), 0);
|
||||
QCOMPARE(smatcher.indexIn(QByteArray("Hello, World!"), 1), -1);
|
||||
QCOMPARE(smatcher.indexIn(QByteArray("aHello, World!")), 1);
|
||||
QCOMPARE(smatcher.indexIn(QByteArray("aaHello, World!")), 2);
|
||||
QCOMPARE(smatcher.indexIn(QByteArray("aaaHello, World!")), 3);
|
||||
QCOMPARE(smatcher.indexIn(QByteArray("aaaaHello, World!")), 4);
|
||||
QCOMPARE(smatcher.indexIn(QByteArray("aaaaaHello, World!")), 5);
|
||||
QCOMPARE(smatcher.indexIn(QByteArray("aaaaaaHello, World!")), 6);
|
||||
QCOMPARE(smatcher.indexIn(QByteArray("HHello, World!")), 1);
|
||||
QCOMPARE(smatcher.indexIn(QByteArray("HeHello, World!")), 2);
|
||||
QCOMPARE(smatcher.indexIn(QByteArray("HelHello, World!")), 3);
|
||||
QCOMPARE(smatcher.indexIn(QByteArray("HellHello, World!")), 4);
|
||||
QCOMPARE(smatcher.indexIn(QByteArray("HellaHello, World!")), 5);
|
||||
QCOMPARE(smatcher.indexIn(QByteArray("HellauHello, World!")), 6);
|
||||
QCOMPARE(smatcher.indexIn(QByteArray("aHella, World!")), -1);
|
||||
QCOMPARE(smatcher.indexIn(QByteArray("aaHella, World!")), -1);
|
||||
QCOMPARE(smatcher.indexIn(QByteArray("aaaHella, World!")), -1);
|
||||
QCOMPARE(smatcher.indexIn(QByteArray("aaaaHella, World!")), -1);
|
||||
QCOMPARE(smatcher.indexIn(QByteArray("aaaaaHella, World!")), -1);
|
||||
QCOMPARE(smatcher.indexIn(QByteArray("aaaaaaHella, World!")), -1);
|
||||
|
||||
QCOMPARE(smatcher.indexIn(QByteArray("aHello")), 1);
|
||||
QCOMPARE(smatcher.indexIn(QByteArray("aaHello")), 2);
|
||||
QCOMPARE(smatcher.indexIn(QByteArray("aaaHello")), 3);
|
||||
QCOMPARE(smatcher.indexIn(QByteArray("aaaaHello")), 4);
|
||||
QCOMPARE(smatcher.indexIn(QByteArray("aaaaaHello")), 5);
|
||||
QCOMPARE(smatcher.indexIn(QByteArray("aaaaaaHello")), 6);
|
||||
QCOMPARE(smatcher.indexIn(QByteArray("HHello")), 1);
|
||||
QCOMPARE(smatcher.indexIn(QByteArray("HeHello")), 2);
|
||||
QCOMPARE(smatcher.indexIn(QByteArray("HelHello")), 3);
|
||||
QCOMPARE(smatcher.indexIn(QByteArray("HellHello")), 4);
|
||||
QCOMPARE(smatcher.indexIn(QByteArray("HellaHello")), 5);
|
||||
QCOMPARE(smatcher.indexIn(QByteArray("HellauHello")), 6);
|
||||
QCOMPARE(smatcher.indexIn(QByteArray("aHella")), -1);
|
||||
QCOMPARE(smatcher.indexIn(QByteArray("aaHella")), -1);
|
||||
QCOMPARE(smatcher.indexIn(QByteArray("aaaHella")), -1);
|
||||
QCOMPARE(smatcher.indexIn(QByteArray("aaaaHella")), -1);
|
||||
QCOMPARE(smatcher.indexIn(QByteArray("aaaaaHella")), -1);
|
||||
QCOMPARE(smatcher.indexIn(QByteArray("aaaaaaHella")), -1);
|
||||
}
|
||||
|
||||
{
|
||||
static constexpr auto smatcher = qMakeStaticByteArrayMatcher(LONG_STRING_256);
|
||||
QCOMPARE(smatcher.pattern(), QByteArrayLiteral(LONG_STRING_256));
|
||||
|
||||
QCOMPARE(smatcher.indexIn(QByteArray("a" LONG_STRING_256)), 1);
|
||||
QCOMPARE(smatcher.indexIn(QByteArray("aa" LONG_STRING_256)), 2);
|
||||
QCOMPARE(smatcher.indexIn(QByteArray("aaa" LONG_STRING_256)), 3);
|
||||
QCOMPARE(smatcher.indexIn(QByteArray("aaaa" LONG_STRING_256)), 4);
|
||||
QCOMPARE(smatcher.indexIn(QByteArray("aaaaa" LONG_STRING_256)), 5);
|
||||
QCOMPARE(smatcher.indexIn(QByteArray("aaaaaa" LONG_STRING_256)), 6);
|
||||
QCOMPARE(smatcher.indexIn(QByteArray("a" LONG_STRING_256 "a")), 1);
|
||||
QCOMPARE(smatcher.indexIn(QByteArray("aa" LONG_STRING_256 "a")), 2);
|
||||
QCOMPARE(smatcher.indexIn(QByteArray("aaa" LONG_STRING_256 "a")), 3);
|
||||
QCOMPARE(smatcher.indexIn(QByteArray("aaaa" LONG_STRING_256 "a")), 4);
|
||||
QCOMPARE(smatcher.indexIn(QByteArray("aaaaa" LONG_STRING_256 "a")), 5);
|
||||
QCOMPARE(smatcher.indexIn(QByteArray("aaaaaa" LONG_STRING_256 "a")), 6);
|
||||
QCOMPARE(smatcher.indexIn(QByteArray(LONG_STRING__32 "x" LONG_STRING_256)), 33);
|
||||
QCOMPARE(smatcher.indexIn(QByteArray(LONG_STRING__64 "x" LONG_STRING_256)), 65);
|
||||
QCOMPARE(smatcher.indexIn(QByteArray(LONG_STRING_128 "x" LONG_STRING_256)), 129);
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
void tst_QByteArrayMatcher::haystacksWithMoreThan4GiBWork()
|
||||
{
|
||||
#if QT_POINTER_SIZE > 4
|
||||
// use a large needle to trigger long skips in the Boyer-Moore algorithm
|
||||
// (to speed up the test)
|
||||
constexpr std::string_view needle = LONG_STRING_256;
|
||||
|
||||
//
|
||||
// GIVEN: a haystack with more than 4 GiB of data
|
||||
//
|
||||
|
||||
// don't use QByteArray because freeSpaceAtEnd() may break reserve()
|
||||
// semantics and a realloc is the last thing we need here
|
||||
std::string large;
|
||||
QElapsedTimer timer;
|
||||
timer.start();
|
||||
constexpr size_t GiB = 1024 * 1024 * 1024;
|
||||
constexpr size_t BaseSize = 4 * GiB + 1;
|
||||
try {
|
||||
large.reserve(BaseSize + needle.size());
|
||||
large.resize(BaseSize, '\0');
|
||||
large.append(needle);
|
||||
} catch (const std::bad_alloc &) {
|
||||
QSKIP("Could not allocate 4GiB plus a couple hundred bytes of RAM.");
|
||||
}
|
||||
QCOMPARE(large.size(), BaseSize + needle.size());
|
||||
qDebug("created dataset in %lld ms", timer.elapsed());
|
||||
|
||||
# if QT_CONFIG(cxx11_future)
|
||||
using MaybeThread = std::thread;
|
||||
# else
|
||||
struct MaybeThread {
|
||||
std::function<void()> func;
|
||||
void join() { func(); }
|
||||
};
|
||||
# endif
|
||||
|
||||
//
|
||||
// WHEN: trying to match an occurrence past the 4GiB mark
|
||||
//
|
||||
|
||||
qsizetype dynamicResult, staticResult;
|
||||
|
||||
auto t = MaybeThread{[&]{
|
||||
QByteArrayMatcher m(needle);
|
||||
dynamicResult = m.indexIn(large);
|
||||
}};
|
||||
{
|
||||
static_assert(needle == LONG_STRING_256); // need a string literal in the following line:
|
||||
QStaticByteArrayMatcher m(LONG_STRING_256);
|
||||
staticResult = m.indexIn(large.data(), large.size());
|
||||
}
|
||||
t.join();
|
||||
|
||||
//
|
||||
// THEN: the result index is not trucated
|
||||
//
|
||||
|
||||
QCOMPARE(staticResult, qsizetype(BaseSize));
|
||||
QCOMPARE(dynamicResult, qsizetype(BaseSize));
|
||||
#else
|
||||
QSKIP("This test is 64-bit only.");
|
||||
#endif
|
||||
|
||||
}
|
||||
|
||||
#undef LONG_STRING_256
|
||||
#undef LONG_STRING_128
|
||||
#undef LONG_STRING__64
|
||||
#undef LONG_STRING__32
|
||||
|
||||
QTEST_APPLESS_MAIN(tst_QByteArrayMatcher)
|
||||
#include "tst_qbytearraymatcher.moc"
|
||||
Reference in New Issue
Block a user