qt5base-lts/tests/auto/qlabel/tst_qlabel.cpp

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/****************************************************************************
**
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the test suite of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
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** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtTest/QtTest>
#include "qlabel.h"
#include <qapplication.h>
#include <qboxlayout.h>
#include <qlabel.h>
#include <qlineedit.h>
#include <qmovie.h>
#include <qpicture.h>
#include <qmessagebox.h>
#include <private/qlabel_p.h>
//TESTED_CLASS=
//TESTED_FILES=
#if defined(Q_OS_SYMBIAN)
# define SRCDIR ""
#endif
#include "../../shared/util.h"
class Widget : public QWidget
{
public:
Widget() { }
QList<QEvent::Type> events;
protected:
bool event(QEvent *ev) {
events.append(ev->type());
return QWidget::event(ev);
}
};
class tst_QLabel : public QObject
{
Q_OBJECT
public:
tst_QLabel();
virtual ~tst_QLabel();
public slots:
void initTestCase();
void cleanupTestCase();
void init();
void cleanup();
private slots:
void getSetCheck();
void text();
void setText_data();
void setText();
void textFormat();
void setTextFormat();
void buddy();
void setBuddy();
void setFont();
void setNum();
void clear();
void wordWrap();
void eventPropagation_data();
void eventPropagation();
void focusPolicy();
void task190318_sizes();
void sizeHint();
void task226479_movieResize();
void emptyPixmap();
void unicodeText_data();
void unicodeText();
void mnemonic_data();
void mnemonic();
void selection();
#ifndef QT_NO_CONTEXTMENU
void taskQTBUG_7902_contextMenuCrash();
#endif
private:
QLabel *testWidget;
QPointer<Widget> test_box;
QPointer<QLabel> test_label;
QLineEdit *test_edit;
};
// Testing get/set functions
void tst_QLabel::getSetCheck()
{
QLabel obj1;
// bool QLabel::wordWrap()
// void QLabel::setWordWrap(bool)
obj1.setWordWrap(false);
QCOMPARE(false, obj1.wordWrap());
obj1.setWordWrap(true);
QCOMPARE(true, obj1.wordWrap());
// QWidget * QLabel::buddy()
// void QLabel::setBuddy(QWidget *)
QWidget *var2 = new QWidget();
obj1.setBuddy(var2);
QCOMPARE(var2, obj1.buddy());
obj1.setBuddy((QWidget *)0);
QCOMPARE((QWidget *)0, obj1.buddy());
delete var2;
// QMovie * QLabel::movie()
// void QLabel::setMovie(QMovie *)
QMovie *var3 = new QMovie;
obj1.setMovie(var3);
QCOMPARE(var3, obj1.movie());
obj1.setMovie((QMovie *)0);
QCOMPARE((QMovie *)0, obj1.movie());
delete var3;
}
tst_QLabel::tst_QLabel(): test_box(0)
{
}
tst_QLabel::~tst_QLabel()
{
}
void tst_QLabel::initTestCase()
{
// Create the test class
testWidget = new QLabel(0);
testWidget->resize( 200, 200 );
testWidget->show();
}
void tst_QLabel::cleanupTestCase()
{
delete testWidget;
testWidget = 0;
if (test_box)
delete test_box;
}
void tst_QLabel::init()
{
testWidget->setTextFormat( Qt::AutoText );
testWidget->setBuddy( 0 );
testWidget->setIndent( 0 );
testWidget->setAlignment( Qt::AlignLeft | Qt::AlignVCenter );
testWidget->setScaledContents( FALSE );
}
void tst_QLabel::cleanup()
{
if (QTest::currentTestFunction() == QLatin1String("setBuddy")) {
testWidget->show();
delete test_box; // this should delete tst_labl and test_edit as well.
}
}
void tst_QLabel::buddy()
{
DEPENDS_ON( "setBuddy" );
}
void tst_QLabel::setBuddy()
{
#ifdef Q_WS_MAC
QSKIP("Set buddy doesn't make much sense on Mac OS X", SkipAll);
#endif
testWidget->hide();
test_box = new Widget;
test_label= new QLabel( test_box );
test_label->setText( "&Test with a buddy" );
test_edit = new QLineEdit( test_box );
QVBoxLayout *layout = new QVBoxLayout(test_box);
layout->addWidget(test_label);
layout->addWidget(test_edit);
test_box->show();
qApp->setActiveWindow(test_box);
QVERIFY(test_box->isActiveWindow());
test_label->setBuddy( test_edit );
test_label->setFocus();
QVERIFY( !test_edit->hasFocus() );
QTest::keyClick( test_box, 't', Qt::AltModifier );
QVERIFY( test_edit->hasFocus() );
delete test_box;
}
void tst_QLabel::text()
{
DEPENDS_ON( "setText" );
}
void tst_QLabel::setText_data()
{
QTest::addColumn<QString>("txt");
QTest::addColumn<QString>("font");
QString prefix = "";
#ifdef Q_OS_WIN32
prefix = "win32_";
#endif
QTest::newRow( QString(prefix + "data0").toLatin1() ) << QString("This is a single line") << QString("Helvetica");
QTest::newRow( QString(prefix + "data1").toLatin1() ) << QString("This is the first line\nThis is the second line") << QString("Courier");
QTest::newRow( QString(prefix + "data2").toLatin1() ) << QString("This is the first line\nThis is the second line\nThis is the third line") << QString("Helvetica");
QTest::newRow( QString(prefix + "data3").toLatin1() ) << QString("This is <b>bold</b> richtext") << QString("Courier");
QTest::newRow( QString(prefix + "data4").toLatin1() ) << QString("I Have a &shortcut") << QString("Helvetica");
}
void tst_QLabel::setText()
{
QFETCH( QString, txt );
QFETCH( QString, font );
QFont f( font, 8 );
testWidget->setFont( f );
testWidget->setText( txt );
QCOMPARE( testWidget->text(), txt );
}
void tst_QLabel::textFormat()
{
DEPENDS_ON( "setTextFormat" );
}
void tst_QLabel::setTextFormat()
{
// lets' start with the simple stuff...
testWidget->setTextFormat( Qt::PlainText );
QVERIFY( testWidget->textFormat() == Qt::PlainText );
testWidget->setTextFormat( Qt::RichText );
QVERIFY( testWidget->textFormat() == Qt::RichText );
testWidget->setTextFormat( Qt::LogText );
QVERIFY( testWidget->textFormat() == Qt::LogText );
testWidget->setTextFormat( Qt::AutoText );
QVERIFY( testWidget->textFormat() == Qt::AutoText );
}
void tst_QLabel::setFont()
{
DEPENDS_ON( "setText" );
}
void tst_QLabel::setNum()
{
testWidget->setText( "This is a text" );
testWidget->setNum( 12 );
QCOMPARE( testWidget->text(), QString("12") );
testWidget->setNum( 12.345 );
QCOMPARE( testWidget->text(), QString("12.345") );
}
void tst_QLabel::clear()
{
const QString TEXT = "blah blah";
testWidget->setText(TEXT);
QCOMPARE(testWidget->text(), TEXT);
testWidget->clear();
QVERIFY(testWidget->text().isEmpty());
}
void tst_QLabel::wordWrap()
{
QLabel label;
QVERIFY(!label.wordWrap());
label.setText("Plain Text");
QVERIFY(!label.wordWrap());
label.setText("<b>rich text</b>");
QVERIFY(!label.wordWrap());
label.setWordWrap(false);
label.setText("<b>rich text</b>");
QVERIFY(!label.wordWrap());
}
void tst_QLabel::eventPropagation_data()
{
QTest::addColumn<QString>("text");
QTest::addColumn<int>("textInteractionFlags");
QTest::addColumn<int>("focusPolicy");
QTest::addColumn<bool>("propagation");
QTest::newRow("plain text1") << QString("plain text") << int(Qt::LinksAccessibleByMouse) << int(Qt::NoFocus) << true;
QTest::newRow("plain text2") << QString("plain text") << (int)Qt::TextSelectableByKeyboard << (int)Qt::ClickFocus << true;
QTest::newRow("plain text3") << QString("plain text") << (int)Qt::TextSelectableByMouse << (int)Qt::ClickFocus << false;
QTest::newRow("plain text4") << QString("plain text") << (int)Qt::NoTextInteraction << (int)Qt::NoFocus << true;
QTest::newRow("rich text1") << QString("<b>rich text</b>") << (int)Qt::LinksAccessibleByMouse << (int)Qt::NoFocus << true;
QTest::newRow("rich text2") << QString("<b>rich text</b>") << (int)Qt::TextSelectableByKeyboard << (int)Qt::ClickFocus << true;
QTest::newRow("rich text3") << QString("<b>rich text</b>") << (int)Qt::TextSelectableByMouse << (int)Qt::ClickFocus << false;
QTest::newRow("rich text4") << QString("<b>rich text</b>") << (int)Qt::NoTextInteraction << (int)Qt::NoFocus << true;
QTest::newRow("rich text4") << QString("<b>rich text</b>") << (int)Qt::LinksAccessibleByKeyboard << (int)Qt::StrongFocus << true;
if (!test_box)
test_box = new Widget;
if (!test_label)
test_label = new QLabel(test_box);
}
void tst_QLabel::eventPropagation()
{
QFETCH(QString, text);
QFETCH(int, textInteractionFlags);
QFETCH(int, focusPolicy);
QFETCH(bool, propagation);
// plain text (accepts mouse event _only_ when label selectable by mouse)
test_label->setText(text);
test_box->events.clear();
test_label->setTextInteractionFlags(Qt::TextInteractionFlags(textInteractionFlags));
QVERIFY(int(test_label->focusPolicy()) == focusPolicy);
QTest::mousePress(test_label, Qt::LeftButton);
QVERIFY(test_box->events.contains(QEvent::MouseButtonPress) == propagation); // should have propagated!
}
void tst_QLabel::focusPolicy()
{
delete test_label;
test_label = new QLabel;
QCOMPARE(test_label->focusPolicy(), Qt::NoFocus); // default
test_label->setFocusPolicy(Qt::StrongFocus);
test_label->setText("Whatever"); // setting text should not change the focus policy
QCOMPARE(test_label->focusPolicy(), Qt::StrongFocus);
test_label->setTextInteractionFlags(Qt::TextSelectableByKeyboard); // this should
QCOMPARE(test_label->focusPolicy(), Qt::ClickFocus);
test_label->setFocusPolicy(Qt::StrongFocus);
test_label->setText("Whatever"); // setting text should not change the focus policy
QCOMPARE(test_label->focusPolicy(), Qt::StrongFocus);
test_label->setTextInteractionFlags(Qt::NoTextInteraction);
QCOMPARE(test_label->focusPolicy(), Qt::NoFocus);
test_label->setFocusPolicy(Qt::StrongFocus);
test_label->setTextInteractionFlags(Qt::NoTextInteraction);
QCOMPARE(test_label->focusPolicy(), Qt::StrongFocus); // is not touched since value didn't change
delete test_label;
}
void tst_QLabel::task190318_sizes()
{
QLabel label(" ");
QSize ms(500,600);
label.setMinimumSize(ms);
QCOMPARE(label.minimumSize(), ms);
QCOMPARE(label.sizeHint(), ms);
QCOMPARE(label.minimumSizeHint(), ms);
}
void tst_QLabel::sizeHint()
{
QLabel label(QLatin1String("Test"));
label.setIndent(0);
label.setMargin(0);
label.setContentsMargins(0, 0, 0, 0);
label.setAlignment(Qt::AlignVCenter);
int h = label.sizeHint().height();
QLabel l1(QLatin1String("Test"));
l1.setIndent(0);
l1.setMargin(0);
l1.setContentsMargins(0, 0, 0, 0);
l1.setAlignment(Qt::AlignVCenter);
l1.setTextInteractionFlags(Qt::TextSelectableByMouse); // will now use qtextcontrol
int h1 = l1.sizeHint().height();
QCOMPARE(h1, h);
}
void tst_QLabel::task226479_movieResize()
{
class Label : public QLabel {
protected:
void paintEvent(QPaintEvent *e)
{
paintedRegion += e->region();
QLabel::paintEvent(e);
}
public:
QRegion paintedRegion;
};
Label label;
label.resize(350,350);
label.show();
QMovie *movie = new QMovie( &label );
label.setMovie(movie);
QTest::qWaitForWindowShown(&label);
movie->setFileName(SRCDIR "red.png");
movie->start();
QTest::qWait(50);
movie->stop();
label.paintedRegion = QRegion();
movie->setFileName(SRCDIR "green.png");
movie->start();
QTest::qWait(50);
QTRY_COMPARE(label.paintedRegion , QRegion(label.rect()) );
}
void tst_QLabel::emptyPixmap()
{
//task 197919
QLabel label1, label2, label3, label4;
label2.setPixmap(QPixmap("/tmp/idonotexist"));
QMovie movie;
label3.setMovie(&movie);
label4.setPicture(QPicture());
QCOMPARE(label1.sizeHint(), label2.sizeHint());
QCOMPARE(label1.sizeHint(), label3.sizeHint());
QCOMPARE(label1.sizeHint(), label4.sizeHint());
}
/**
Test for QTBUG-4848 - unicode data corrupting QLabel display
*/
void tst_QLabel::unicodeText_data()
{
QTest::addColumn<QString>("text");
QTest::addColumn<QString>("languageName");
/*
The "glass" phrase in Thai was the initial report for bug QTBUG-4848, was
originally found on http://www.columbia.edu/kermit/utf8.html.
The phrase is from an internet tradition regarding a striking phrase
that is translated into many different languages. The utf8 strings
below were generated by using http://translate.google.com.
The glass phrase in Thai contains the character which manifests bug
QTBUG-4848
The last long phrase is an excerpt from Churchills "on the beaches"
speech, also translated using http://translate.google.com.
*/
QTest::newRow("english") << QString::fromUtf8("I can eat glass and it doesn't hurt me.") << QString("english");
QTest::newRow("thai") << QString::fromUtf8("ฉันจะกินแก้วและไม่เจ็บฉัน") << QString("thai");
QTest::newRow("chinese") << QString::fromUtf8("我可以吃玻璃,并没有伤害我。") << QString("chinese");
QTest::newRow("arabic") << QString::fromUtf8("أستطيع أكل الزجاج ، وأنه لا يؤذيني.") << QString("arabic");
QTest::newRow("russian") << QString::fromUtf8("Я могу есть стекло, и не больно.") << QString("russian");
QTest::newRow("korean") << QString::fromUtf8("유리를 먹을 수있는, 그리고 그게 날 다치게하지 않습니다.") << QString("korean");
QTest::newRow("greek") << QString::fromUtf8("Μπορώ να φάτε γυαλί και δεν μου κάνει κακό.") << QString("greek");
QTest::newRow("german") << QString::fromUtf8("Ich kann Glas essen und es macht mich nicht heiß.") << QString("german");
QTest::newRow("thai_long") << QString::fromUtf8("เราจะต่อสู้ในทะเลและมหาสมุทร. เราจะต่อสู้ด้วยความมั่นใจเติบโตและความเจริญเติบโตในอากาศเราจะปกป้องเกาะของเราค่าใช้จ่ายใดๆอาจ."
"เราจะต่อสู้บนชายหาดเราจะต่อสู้ในบริเวณเชื่อมโยงไปถึงเราจะต่อสู้ในช่องและในถนนที่เราจะต่อสู้ในภูเขานั้นเราจะไม่ยอม.")
<< QString("thai_long");
}
void tst_QLabel::unicodeText()
{
const QString testDataPath("testdata/unicodeText");
QFETCH(QString, text);
QFETCH(QString, languageName);
QFrame frame;
QVBoxLayout *layout = new QVBoxLayout();
QLabel *label = new QLabel(text, &frame);
layout->addWidget(label);
layout->setMargin(8);
frame.setLayout(layout);
frame.show();
QTest::qWaitForWindowShown(&frame);
QVERIFY(frame.isVisible()); // was successfully sized and shown
testWidget->show();
}
void tst_QLabel::mnemonic_data()
{
QTest::addColumn<QString>("text");
QTest::addColumn<QString>("expectedDocText");
QTest::addColumn<QString>("expectedShortcutCursor");
QTest::newRow("1") << QString("Normal") << QString("Normal") << QString();
QTest::newRow("2") << QString("&Simple") << QString("Simple") << QString("S");
QTest::newRow("3") << QString("Also &simple") << QString("Also simple") << QString("s");
QTest::newRow("4") << QString("&&With &Double &&amp;") << QString("&With Double &amp;") << QString("D");
QTest::newRow("5") << QString("Hep&&Hop") << QString("Hep&Hop") << QString("");
QTest::newRow("6") << QString("Hep&&&Hop") << QString("Hep&Hop") << QString("H");
}
void tst_QLabel::mnemonic()
{
// this test that the mnemonics appears correctly when the label has a text control.
QFETCH(QString, text);
QFETCH(QString, expectedDocText);
QFETCH(QString, expectedShortcutCursor);
QWidget w;
QHBoxLayout *hbox = new QHBoxLayout;
QLabel *lab = new QLabel(text);
//lab->setText("plop &plop");
QLineEdit *lineedit = new QLineEdit;
lab->setBuddy(lineedit);
lab->setTextInteractionFlags(Qt::TextSelectableByMouse);
hbox->addWidget(lab);
hbox->addWidget(lineedit);
hbox->addWidget(new QLineEdit);
w.setLayout(hbox);
w.show();
QTest::qWaitForWindowShown(&w);
QLabelPrivate *d = static_cast<QLabelPrivate *>(QObjectPrivate::get(lab));
QVERIFY(d->control);
QCOMPARE(d->control->document()->toPlainText(), expectedDocText);
QCOMPARE(d->shortcutCursor.selectedText(), expectedShortcutCursor);
}
void tst_QLabel::selection()
{
QLabel label;
label.setText("Hello world");
label.setTextInteractionFlags(Qt::TextSelectableByMouse);
QVERIFY(!label.hasSelectedText());
QCOMPARE(label.selectedText(), QString());
QCOMPARE(label.selectionStart(), -1);
label.setSelection(0, 4);
QVERIFY(label.hasSelectedText());
QCOMPARE(label.selectedText(), QString::fromLatin1("Hell"));
QCOMPARE(label.selectionStart(), 0);
label.setSelection(6, 5);
QVERIFY(label.hasSelectedText());
QCOMPARE(label.selectedText(), QString::fromLatin1("world"));
QCOMPARE(label.selectionStart(), 6);
}
#ifndef QT_NO_CONTEXTMENU
void tst_QLabel::taskQTBUG_7902_contextMenuCrash()
{
QLabel *w = new QLabel("Test or crash?");
w->setTextInteractionFlags(Qt::TextSelectableByMouse);
w->show();
QTest::qWaitForWindowShown(w);
QTimer ti;
w->connect(&ti, SIGNAL(timeout()), w, SLOT(deleteLater()));
ti.start(300);
QContextMenuEvent *cme = new QContextMenuEvent(QContextMenuEvent::Mouse, w->rect().center());
qApp->postEvent(w, cme);
QTest::qWait(350);
// No crash, it's allright.
}
#endif
QTEST_MAIN(tst_QLabel)
#include "tst_qlabel.moc"