qt6windows7/tests/auto/testlib/selftests/cmptest/tst_cmptest.cpp
2023-11-01 18:02:52 +01:00

780 lines
20 KiB
C++

// 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 <QtCore/QCoreApplication>
#include <QtCore/QTimer>
#ifdef QT_GUI_LIB
#include <QtGui/QColor>
#include <QtGui/QImage>
#include <QtGui/QPixmap>
#include <QtGui/QVector2D>
#include <QtGui/QVector3D>
#include <QtGui/QVector4D>
#endif
#include <QSet>
#include <vector>
using namespace Qt::StringLiterals;
/* XPM test data for QPixmap, QImage tests (use drag cursors as example) */
static const char * const xpmPixmapData1[] = {
"11 20 3 1",
". c None",
"a c #FFFFFF",
"X c #000000", // X11 cursor is traditionally black
"aa.........",
"aXa........",
"aXXa.......",
"aXXXa......",
"aXXXXa.....",
"aXXXXXa....",
"aXXXXXXa...",
"aXXXXXXXa..",
"aXXXXXXXXa.",
"aXXXXXXXXXa",
"aXXXXXXaaaa",
"aXXXaXXa...",
"aXXaaXXa...",
"aXa..aXXa..",
"aa...aXXa..",
"a.....aXXa.",
"......aXXa.",
".......aXXa",
".......aXXa",
"........aa."};
static const char * const xpmPixmapData2[] = {
"11 20 4 1",
". c None",
"a c #FFFFFF",
"b c #0000FF",
"X c #000000",
"aab........",
"aXab.......",
"aXXab......",
"aXXXab.....",
"aXXXXab....",
"aXXXXXab...",
"aXXXXXXab..",
"aXXXXXXXa..",
"aXXXXXXXXa.",
"aXXXXXXXXXa",
"aXXXXXXaaaa",
"aXXXaXXa...",
"aXXaaXXa...",
"aXa..aXXa..",
"aa...aXXa..",
"a.....aXXa.",
"......aXXa.",
".......aXXa",
".......aXXa",
"........aa."};
static const char * const xpmPixmapData3[] = {
"20 20 2 1",
" c #000000",
". c #C32D2D",
" ..........",
" ........",
" .......",
" ......",
" ....",
" ..",
" .",
" ",
" ",
". ",
"... ",
"..... ",
"...... ",
"....... ",
"......... ",
"........... ",
"........... ",
"............ ",
"............ ",
"............. "};
class tst_Cmptest: public QObject
{
Q_OBJECT
public:
enum class MyClassEnum { MyClassEnumValue1, MyClassEnumValue2 };
Q_ENUM(MyClassEnum)
private slots:
void compare_unregistered_enums();
void compare_registered_enums();
void compare_class_enums();
void test_windowflags_data();
void test_windowflags();
void test_unregistered_flags_data();
void test_unregistered_flags();
void compare_boolfuncs();
void compare_to_nullptr();
void compare_pointerfuncs();
void compare_tostring();
void compare_tostring_data();
void compare_unknown();
void compare_textFromDebug();
void compareQObjects();
void compareQStringLists();
void compareQStringLists_data();
void compareQListInt_data();
void compareQListInt();
void compareQListIntToArray_data();
void compareQListIntToArray();
void compareQListIntToInitializerList_data();
void compareQListIntToInitializerList();
void compareQListDouble();
void compareContainerToInitializerList();
#ifdef QT_GUI_LIB
void compareQColor_data();
void compareQColor();
void compareQPixmaps();
void compareQPixmaps_data();
void compareQImages();
void compareQImages_data();
void compareQRegion_data();
void compareQRegion();
void compareQVector2D();
void compareQVector3D();
void compareQVector4D();
#endif
void tryCompare();
void verify();
void verify2();
void tryVerify();
void tryVerify2();
void verifyExplicitOperatorBool();
};
enum MyUnregisteredEnum { MyUnregisteredEnumValue1, MyUnregisteredEnumValue2 };
void tst_Cmptest::compare_unregistered_enums()
{
QCOMPARE(MyUnregisteredEnumValue1, MyUnregisteredEnumValue1);
QCOMPARE(MyUnregisteredEnumValue1, MyUnregisteredEnumValue2);
}
void tst_Cmptest::compare_registered_enums()
{
// use an enum that doesn't start at 0
QCOMPARE(Qt::Monday, Qt::Monday);
QCOMPARE(Qt::Monday, Qt::Sunday);
}
void tst_Cmptest::compare_class_enums()
{
QCOMPARE(MyClassEnum::MyClassEnumValue1, MyClassEnum::MyClassEnumValue1);
QCOMPARE(MyClassEnum::MyClassEnumValue1, MyClassEnum::MyClassEnumValue2);
}
void tst_Cmptest::test_windowflags_data()
{
QTest::addColumn<Qt::WindowFlags>("actualWindowFlags");
QTest::addColumn<Qt::WindowFlags>("expectedWindowFlags");
const Qt::WindowFlags windowFlags = Qt::Window
| Qt::WindowSystemMenuHint | Qt::WindowStaysOnBottomHint;
QTest::newRow("pass")
<< windowFlags
<< windowFlags;
QTest::newRow("fail1")
<< windowFlags
<< (windowFlags | Qt::FramelessWindowHint);
QTest::newRow("fail2")
<< Qt::WindowFlags(Qt::Window)
<< Qt::WindowFlags(Qt::Window | Qt::FramelessWindowHint);
}
void tst_Cmptest::test_windowflags()
{
QFETCH(Qt::WindowFlags, actualWindowFlags);
QFETCH(Qt::WindowFlags, expectedWindowFlags);
QCOMPARE(actualWindowFlags, expectedWindowFlags);
}
enum UnregisteredEnum {
UnregisteredEnumValue1 = 0x1,
UnregisteredEnumValue2 = 0x2,
UnregisteredEnumValue3 = 0x4
};
typedef QFlags<UnregisteredEnum> UnregisteredFlags;
Q_DECLARE_METATYPE(UnregisteredFlags);
void tst_Cmptest::test_unregistered_flags_data()
{
QTest::addColumn<UnregisteredFlags>("actualFlags");
QTest::addColumn<UnregisteredFlags>("expectedFlags");
QTest::newRow("pass")
<< UnregisteredFlags(UnregisteredEnumValue1)
<< UnregisteredFlags(UnregisteredEnumValue1);
QTest::newRow("fail1")
<< UnregisteredFlags(UnregisteredEnumValue1 | UnregisteredEnumValue2)
<< UnregisteredFlags(UnregisteredEnumValue1 | UnregisteredEnumValue3);
QTest::newRow("fail2")
<< UnregisteredFlags(UnregisteredEnumValue1)
<< UnregisteredFlags(UnregisteredEnumValue1 | UnregisteredEnumValue3);
}
void tst_Cmptest::test_unregistered_flags()
{
QFETCH(UnregisteredFlags, actualFlags);
QFETCH(UnregisteredFlags, expectedFlags);
QCOMPARE(actualFlags, expectedFlags);
}
static bool boolfunc() { return true; }
static bool boolfunc2() { return true; }
void tst_Cmptest::compare_boolfuncs()
{
QCOMPARE(boolfunc(), boolfunc());
QCOMPARE(boolfunc(), boolfunc2());
QCOMPARE(!boolfunc(), !boolfunc2());
QCOMPARE(boolfunc(), true);
QCOMPARE(!boolfunc(), false);
}
namespace {
template <typename T>
T *null() noexcept { return nullptr; }
}
void tst_Cmptest::compare_to_nullptr()
{
QCOMPARE(null<int>(), nullptr);
QCOMPARE(null<const int>(), nullptr);
QCOMPARE(null<volatile int>(), nullptr);
QCOMPARE(null<const volatile int>(), nullptr);
QCOMPARE(nullptr, null<int>());
QCOMPARE(nullptr, null<const int>());
QCOMPARE(nullptr, null<volatile int>());
QCOMPARE(nullptr, null<const volatile int>());
}
static int i = 0;
static int *intptr() { return &i; }
void tst_Cmptest::compare_pointerfuncs()
{
QCOMPARE(intptr(), intptr());
QCOMPARE(&i, &i);
QCOMPARE(intptr(), &i);
QCOMPARE(&i, intptr());
}
void tst_Cmptest::compareQObjects()
{
QObject object1;
object1.setObjectName(QStringLiteral("object1"));
QObject object2;
object2.setObjectName(QStringLiteral("object2"));
QCOMPARE(&object1, &object1);
QCOMPARE(&object1, &object2);
QCOMPARE(&object1, nullptr);
QCOMPARE(nullptr, &object2);
}
struct PhonyClass
{
int i;
};
void tst_Cmptest::compare_tostring_data()
{
QTest::addColumn<QVariant>("actual");
QTest::addColumn<QVariant>("expected");
QTest::newRow("int, string")
<< QVariant::fromValue(123)
<< QVariant::fromValue(QString("hi"))
;
QTest::newRow("both invalid")
<< QVariant()
<< QVariant()
;
QTest::newRow("null hash, invalid")
<< QVariant(QMetaType(QMetaType::QVariantHash))
<< QVariant()
;
QTest::newRow("string, null user type")
<< QVariant::fromValue(QString::fromLatin1("A simple string"))
<< QVariant(QMetaType::fromType<PhonyClass>())
;
PhonyClass fake1 = {1};
PhonyClass fake2 = {2};
QTest::newRow("both non-null user type")
<< QVariant(QMetaType::fromType<PhonyClass>(), (const void*)&fake1)
<< QVariant(QMetaType::fromType<PhonyClass>(), (const void*)&fake2)
;
}
void tst_Cmptest::compare_tostring()
{
QFETCH(QVariant, actual);
QFETCH(QVariant, expected);
QCOMPARE(actual, expected);
}
struct UnknownType
{
int value;
bool operator==(const UnknownType &rhs) const { return value == rhs.value; }
};
void tst_Cmptest::compare_unknown()
{
UnknownType a{1};
UnknownType b{2};
QCOMPARE(a, b);
}
struct CustomType
{
int value;
bool operator==(const CustomType &rhs) const { return value == rhs.value; }
};
QDebug operator<<(QDebug dbg, const CustomType &val)
{
dbg << "QDebug stream: " << val.value;
return dbg;
}
void tst_Cmptest::compare_textFromDebug()
{
CustomType a{0};
CustomType b{1};
QCOMPARE(a, b);
}
void tst_Cmptest::compareQStringLists_data()
{
QTest::addColumn<QStringList>("opA");
QTest::addColumn<QStringList>("opB");
{
QStringList opA;
QStringList opB(opA);
QTest::newRow("empty lists") << opA << opB;
}
{
QStringList opA;
opA.append(QLatin1String("string1"));
opA.append(QLatin1String("string2"));
opA.append(QLatin1String("string3"));
opA.append(QLatin1String("string4"));
QStringList opB(opA);
QTest::newRow("equal lists") << opA << opB;
}
{
QStringList opA;
opA.append(QLatin1String("string1"));
opA.append(QLatin1String("string2"));
QStringList opB(opA);
opA.append(QLatin1String("string3"));
opB.append(QLatin1String("DIFFERS"));
QTest::newRow("last item different") << opA << opB;
}
{
QStringList opA;
opA.append(QLatin1String("string1"));
opA.append(QLatin1String("string2"));
QStringList opB(opA);
opA.append(QLatin1String("string3"));
opA.append(QLatin1String("string4"));
opB.append(QLatin1String("DIFFERS"));
opB.append(QLatin1String("string4"));
QTest::newRow("second-last item different") << opA << opB;
}
{
QStringList opA;
opA.append(QLatin1String("string1"));
opA.append(QLatin1String("string2"));
QStringList opB;
opB.append(QLatin1String("string1"));
QTest::newRow("prefix") << opA << opB;
}
{
QStringList opA;
opA.append(QLatin1String("openInNewWindow"));
opA.append(QLatin1String("openInNewTab"));
opA.append(QLatin1String("separator"));
opA.append(QLatin1String("bookmark_add"));
opA.append(QLatin1String("savelinkas"));
opA.append(QLatin1String("copylinklocation"));
opA.append(QLatin1String("separator"));
opA.append(QLatin1String("openWith_submenu"));
opA.append(QLatin1String("preview1"));
opA.append(QLatin1String("actions_submenu"));
opA.append(QLatin1String("separator"));
opA.append(QLatin1String("viewDocumentSource"));
QStringList opB;
opB.append(QLatin1String("viewDocumentSource"));
QTest::newRow("short list second") << opA << opB;
QTest::newRow("short list first") << opB << opA;
}
}
void tst_Cmptest::compareQStringLists()
{
QFETCH(QStringList, opA);
QFETCH(QStringList, opB);
QCOMPARE(opA, opB);
}
using IntList = QList<int>;
void tst_Cmptest::compareQListInt_data()
{
QTest::addColumn<IntList>("actual");
QTest::newRow("match") << IntList{1, 2, 3};
QTest::newRow("size mismatch") << IntList{1, 2};
QTest::newRow("value mismatch") << IntList{1, 2, 4};
}
void tst_Cmptest::compareQListInt()
{
QFETCH(IntList, actual);
const QList<int> expected{1, 2, 3};
QCOMPARE(actual, expected);
}
void tst_Cmptest::compareQListIntToArray_data()
{
compareQListInt_data();
}
void tst_Cmptest::compareQListIntToArray()
{
QFETCH(IntList, actual);
const int expected[] = {1, 2, 3};
QCOMPARE(actual, expected);
}
void tst_Cmptest::compareQListIntToInitializerList_data()
{
compareQListInt_data();
}
void tst_Cmptest::compareQListIntToInitializerList()
{
QFETCH(IntList, actual);
// Protect ',' in the list
#define ARG(...) __VA_ARGS__
QCOMPARE(actual, ARG({1, 2, 3}));
#undef ARG
}
void tst_Cmptest::compareQListDouble()
{
QList<double> double1; double1 << 1.5 << 2 << 3;
QList<double> double2; double2 << 1 << 2 << 4;
QCOMPARE(double1, double2);
}
void tst_Cmptest::compareContainerToInitializerList()
{
// Protect ',' in the list
#define ARG(...) __VA_ARGS__
QSet<int> set{1, 2, 3};
QCOMPARE(set, ARG({1, 2, 3}));
std::vector<int> vec{1, 2, 3};
QCOMPARE(vec, ARG({1, 2, 3}));
vec.clear();
QCOMPARE(vec, {});
vec.push_back(42);
QCOMPARE(vec, {42});
#undef ARG
}
#ifdef QT_GUI_LIB
void tst_Cmptest::compareQColor_data()
{
QTest::addColumn<QColor>("colorA");
QTest::addColumn<QColor>("colorB");
QTest::newRow("Qt::yellow vs \"yellow\"") << QColor(Qt::yellow) << QColor(QStringLiteral("yellow"));
QTest::newRow("Qt::yellow vs Qt::green") << QColor(Qt::yellow) << QColor(Qt::green);
QTest::newRow("0x88ff0000 vs 0xffff0000") << QColor::fromRgba(0x88ff0000) << QColor::fromRgba(0xffff0000);
}
void tst_Cmptest::compareQColor()
{
QFETCH(QColor, colorA);
QFETCH(QColor, colorB);
QCOMPARE(colorA, colorB);
}
void tst_Cmptest::compareQPixmaps_data()
{
QTest::addColumn<QPixmap>("opA");
QTest::addColumn<QPixmap>("opB");
const QPixmap pixmap1(xpmPixmapData1);
const QPixmap pixmap2(xpmPixmapData2);
const QPixmap pixmap3(xpmPixmapData3);
QPixmap pixmapWrongDpr = pixmap1.scaled(2, 2);
pixmapWrongDpr.setDevicePixelRatio(2);
QTest::newRow("both null") << QPixmap() << QPixmap();
QTest::newRow("one null") << QPixmap() << pixmap1;
QTest::newRow("other null") << pixmap1 << QPixmap();
QTest::newRow("equal") << pixmap1 << pixmap1;
QTest::newRow("different size") << pixmap1 << pixmap3;
QTest::newRow("different pixels") << pixmap1 << pixmap2;
QTest::newRow("different dpr") << pixmap1 << pixmapWrongDpr;
}
void tst_Cmptest::compareQPixmaps()
{
QFETCH(QPixmap, opA);
QFETCH(QPixmap, opB);
QCOMPARE(opA, opB);
}
void tst_Cmptest::compareQImages_data()
{
QTest::addColumn<QImage>("opA");
QTest::addColumn<QImage>("opB");
const QImage image1(QPixmap(xpmPixmapData1).toImage());
const QImage image2(QPixmap(xpmPixmapData2).toImage());
const QImage image1Indexed = image1.convertToFormat(QImage::Format_Indexed8);
const QImage image3(QPixmap(xpmPixmapData3).toImage());
QImage imageWrongDpr = image1.scaled(2, 2);
imageWrongDpr.setDevicePixelRatio(2);
QTest::newRow("both null") << QImage() << QImage();
QTest::newRow("one null") << QImage() << image1;
QTest::newRow("other null") << image1 << QImage();
QTest::newRow("equal") << image1 << image1;
QTest::newRow("different size") << image1 << image3;
QTest::newRow("different format") << image1 << image1Indexed;
QTest::newRow("different pixels") << image1 << image2;
QTest::newRow("different dpr") << image1 << imageWrongDpr;
}
void tst_Cmptest::compareQImages()
{
QFETCH(QImage, opA);
QFETCH(QImage, opB);
QCOMPARE(opA, opB);
}
void tst_Cmptest::compareQRegion_data()
{
QTest::addColumn<QRegion>("rA");
QTest::addColumn<QRegion>("rB");
const QRect rect1(QPoint(10, 10), QSize(200, 50));
const QRegion region1(rect1);
QRegion listRegion2;
const QList<QRect> list2 = QList<QRect>() << QRect(QPoint(100, 200), QSize(50, 200)) << rect1;
listRegion2.setRects(list2.constData(), list2.size());
QTest::newRow("equal-empty") << QRegion() << QRegion();
QTest::newRow("1-empty") << region1 << QRegion();
QTest::newRow("equal") << region1 << region1;
QTest::newRow("different lists") << region1 << listRegion2;
}
void tst_Cmptest::compareQRegion()
{
QFETCH(QRegion, rA);
QFETCH(QRegion, rB);
QCOMPARE(rA, rB);
}
void tst_Cmptest::compareQVector2D()
{
QVector2D v2a{1, 2};
QVector2D v2b = v2a;
QCOMPARE(v2a, v2b);
v2b.setY(3);
QCOMPARE(v2a, v2b);
}
void tst_Cmptest::compareQVector3D()
{
QVector3D v3a{1, 2, 3};
QVector3D v3b = v3a;
QCOMPARE(v3a, v3b);
v3b.setY(3);
QCOMPARE(v3a, v3b);
}
void tst_Cmptest::compareQVector4D()
{
QVector4D v4a{1, 2, 3, 4};
QVector4D v4b = v4a;
QCOMPARE(v4a, v4b);
v4b.setY(3);
QCOMPARE(v4a, v4b);
}
#endif // QT_GUI_LIB
static int opaqueFunc()
{
return 42;
}
void tst_Cmptest::verify()
{
QVERIFY(opaqueFunc() > 2);
QVERIFY(opaqueFunc() < 2);
}
void tst_Cmptest::verify2()
{
QVERIFY2(opaqueFunc() > 2, QByteArray::number(opaqueFunc()).constData());
QVERIFY2(opaqueFunc() < 2,
// Message with parenthetical part, to catch mis-parses of the
// resulting message:
u"%1 >= 2 (as expected, in fact)"_s.arg(opaqueFunc()).toUtf8().constData());
}
class DeferredFlag : public QObject // Can't be const.
{
Q_OBJECT
bool m_flag;
public:
// A boolean that either starts out true or decays to true after 50 ms.
// However, that decay will only happen when the event loop is run.
explicit DeferredFlag(bool initial = false) : m_flag(initial)
{
if (!initial)
QTimer::singleShot(50, this, &DeferredFlag::onTimeOut);
}
explicit operator bool() const { return m_flag; }
bool operator!() const { return !m_flag; }
friend bool operator==(const DeferredFlag &a, const DeferredFlag &b)
{
return bool(a) == bool(b);
}
public slots:
void onTimeOut() { m_flag = true; }
};
char *toString(const DeferredFlag &val)
{
return qstrdup(bool(val) ? "DeferredFlag(true)" : "DeferredFlag(false)");
}
void tst_Cmptest::tryCompare()
{
/* Note that expected values given as DeferredFlag() shall be re-evaluated
each time the comparison is checked, hence supply a fresh false instance,
that'll be discarded before it has a chance to decay, hence only compare
equal to a false instance. Do not replace them with a local variable
initialized to false, as it would (of course) decay.
*/
DeferredFlag trueAlready(true);
{
DeferredFlag c;
// QTRY should check before looping, so be equal to the fresh false immediately.
QTRY_COMPARE(c, DeferredFlag());
// Given time, it'll end up equal to a true one.
QTRY_COMPARE(c, trueAlready);
}
{
DeferredFlag c;
QTRY_COMPARE_WITH_TIMEOUT(c, DeferredFlag(), 300);
QVERIFY(!c); // Instantly equal, so succeeded without delay.
QTRY_COMPARE_WITH_TIMEOUT(c, trueAlready, 200);
qInfo("Should now time out and fail");
QTRY_COMPARE_WITH_TIMEOUT(c, DeferredFlag(), 200);
}
}
void tst_Cmptest::tryVerify()
{
{
DeferredFlag c;
QTRY_VERIFY(!c);
QTRY_VERIFY(c);
}
{
DeferredFlag c;
QTRY_VERIFY_WITH_TIMEOUT(!c, 300);
QTRY_VERIFY_WITH_TIMEOUT(c, 200);
qInfo("Should now time out and fail");
QTRY_VERIFY_WITH_TIMEOUT(!c, 200);
}
}
void tst_Cmptest::tryVerify2()
{
{
DeferredFlag c;
QTRY_VERIFY2(!c, "Failed to check before looping");
QTRY_VERIFY2(c, "Failed to trigger single-shot");
}
{
DeferredFlag c;
QTRY_VERIFY2_WITH_TIMEOUT(!c, "Failed to check before looping", 300);
QTRY_VERIFY2_WITH_TIMEOUT(c, "Failed to trigger single-shot", 200);
QTRY_VERIFY2_WITH_TIMEOUT(!c, "Should time out and fail", 200);
}
}
void tst_Cmptest::verifyExplicitOperatorBool()
{
struct ExplicitOperatorBool {
int m_i;
explicit ExplicitOperatorBool(int i) : m_i(i) {}
explicit operator bool() const { return m_i > 0; }
bool operator !() const { return !bool(*this); }
};
ExplicitOperatorBool val1(42);
QVERIFY(val1);
ExplicitOperatorBool val2(-273);
QVERIFY(!val2);
}
QTEST_MAIN(tst_Cmptest)
#include "tst_cmptest.moc"