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//KoTextFormatter test (also for profiling purposes), GPL v2, David Faure <faure@kde.org>
#include <kapplication.h>
#include <kdebug.h>
#include <kglobal.h>
#include <klocale.h>
#include "KoTextFormatter.h"
#include "KoTextFormat.h"
#include "KoTextDocument.h"
#include "KoTextParag.h"
#include "KoTextZoomHandler.h"
#include "KoParagCounter.h"
#include <assert.h>
class KoTextFormatterTest
{
public:
KoTextFormatterTest();
~KoTextFormatterTest() {
delete zh;
delete doc;
}
void speedTest();
void counterAndBigChar();
void oneLineTest();
void noHeightTest();
void noWidthEverTest();
void tooWideChar();
private:
KoTextZoomHandler* zh;
KoTextDocument* doc;
};
// To test various cases with variable document widths: a custom KoTextFlow
class TextFlow : public KoTextFlow
{
public:
TextFlow( int availableWidth, int availableHeight )
: m_availableWidth( availableWidth ), m_availableHeight( availableHeight ),
m_leftMargin( 0 )
{
setWidth( m_availableWidth );
}
virtual int availableHeight() const {
return m_availableHeight;
}
void setLeftMargin( int lm ) {
m_leftMargin = lm;
}
virtual void adjustMargins( int yp, int h, int reqMinWidth, int& leftMargin, int& rightMargin, int& pageWidth, KoTextParag* ) {
Q_UNUSED(yp);
Q_UNUSED(h);
Q_UNUSED(reqMinWidth);
Q_UNUSED(rightMargin);
if ( m_leftMargin ) {
leftMargin = m_leftMargin;
pageWidth = m_availableWidth - m_leftMargin;
kdDebug() << "adjustMargins: returning leftMargin=" << leftMargin << " pageWidth=" << pageWidth << endl;
} else
pageWidth = m_availableWidth;
}
private:
int m_availableWidth;
int m_availableHeight;
int m_leftMargin;
};
KoTextFormatterTest::KoTextFormatterTest()
{
zh = new KoTextZoomHandler;
QFont defaultFont( "helvetica", 12 );
KoTextFormatCollection* fc = new KoTextFormatCollection( defaultFont, Qt::black, "en_US", false /*no hyphenation*/ );
KoTextFormatter* formatter = new KoTextFormatter;
// fc and formatter are owned by the doc
doc = new KoTextDocument( zh, fc, formatter );
}
void KoTextFormatterTest::speedTest()
{
kdDebug() << k_funcinfo << endl;
doc->clear(true);
KoTextParag* parag = doc->firstParag();
parag->append( "They burst into flames when it is time for them to die, and then they are reborn from the ashes" );
// Format it 50 times
for ( uint i = 0 ; i < 50 ; ++i )
{
parag->invalidate(0);
parag->format();
}
doc->clear(false);
}
void KoTextFormatterTest::noHeightTest()
{
kdDebug() << k_funcinfo << endl;
// We test the case of going past maxY - by setting the available height to 0
// Expected result: the formatter 'aborts', i.e. no line-breaking, but still
// goes over each character to set them all correctly; and usually KWord
// would create a new page and reformat the paragraph
doc->setFlow( new TextFlow( 250, 0 ) ); // 250 is just enough for one char
doc->clear(true);
KoTextParag* parag = doc->firstParag();
parag->append( "abcdefghi" );
parag->format();
assert( parag->lines() == 2 ); // one break, then we keep going
doc->clear(false);
doc->setFlow( new KoTextFlow ); // default
}
void KoTextFormatterTest::noWidthEverTest()
{
kdDebug() << k_funcinfo << endl;
// We test the case of formatting where there is no width (e.g. narrow
// passage, or after last page).
// Expected result: the formatter goes down until it finds more width
// (TODO a test case where this happens)
// If it doesn't find any (and hits maxY), then it 'aborts', i.e. no line-breaking,
// but still goes over each character to set them all correctly; and usually KWord
// would create a new page and reformat the paragraph
TextFlow* flow = new TextFlow( 1000, 2000 );
flow->setLeftMargin( 1000 );
doc->setFlow( flow );
doc->clear(true);
KoTextParag* parag = doc->firstParag();
parag->append( "abcdefghi" );
parag->format();
// The resulting paragraph is NOT marked as formatted. See kotextformatter.cc -r1.79
assert( !parag->isValid() );
doc->clear(false);
doc->setFlow( new KoTextFlow ); // default
}
void KoTextFormatterTest::tooWideChar()
{
kdDebug() << k_funcinfo << endl;
// We test the case of formatting where there is not enough width
// for the character (e.g. a very large inline table, larger than the document).
// Expected result: the formatter goes down until it finds more width,
// gives up, and come back up.
doc->setFlow( new TextFlow( 10, 2000 ) );
doc->clear(true);
KoTextParag* parag = doc->firstParag();
parag->append( "a" );
parag->format();
assert( parag->isValid() );
assert( parag->lines() == 1 );
doc->clear(false);
doc->setFlow( new KoTextFlow ); // default
}
void KoTextFormatterTest::oneLineTest()
{
kdDebug() << k_funcinfo << endl;
// Normal case, only one line
// Expected: the parag is as wide as the doc
doc->setFlow( new TextFlow( 2000, 200 ) );
doc->clear(true);
KoTextParag* parag = doc->firstParag();
parag->append( "abcdefghi" );
parag->format();
assert( parag->lines() == 1 );
assert( parag->isValid() );
assert( parag->rect().width() == 2000 );
assert( parag->widthUsed() < 2000 );
doc->clear(false);
doc->setFlow( new KoTextFlow ); // default
}
void KoTextFormatterTest::counterAndBigChar()
{
kdDebug() << k_funcinfo << endl;
// Only one line, with a counter and a big char.
// Bug #82609: the new height led to "formatting again" which restarted without taking the counter into account
// Expected: the char starts after the counter
doc->setFlow( new TextFlow( 2000, 200 ) );
doc->clear(true);
KoTextParag* parag = doc->firstParag();
parag->append( "aB" );
KoTextFormat f( *parag->at( 0 )->format() );
f.setPointSize( 48 );
parag->setFormat( 1, 1, doc->formatCollection()->format( &f ), true );
KoParagCounter counter;
counter.setNumbering( KoParagCounter::NUM_LIST );
counter.setStyle( KoParagCounter::STYLE_NUM );
parag->setCounter( &counter );
parag->format();
assert( parag->lines() == 1 );
assert( parag->isValid() );
assert( parag->rect().width() == 2000 );
assert( parag->widthUsed() < 2000 );
assert( parag->at(0)->x > 0 );
doc->clear(false);
doc->setFlow( new KoTextFlow ); // default
}
int main (int argc, char ** argv)
{
KApplication app(argc, argv, "KoTextFormatter test");
// Don't let locale settings lead to different hyphenation output
KGlobal::locale()->setLanguage( QString::fromLatin1( "en_US" ) );
KGlobal::locale()->setCountry( QString::fromLatin1( "C" ) );
KoTextFormatterTest test;
//test.speedTest();
test.oneLineTest();
test.counterAndBigChar();
test.noHeightTest();
test.noWidthEverTest();
test.tooWideChar();
return 0;
}
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