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testqgsscalecombobox.cpp
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testqgsscalecombobox.cpp
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/***************************************************************************
testqgsscalecombobox.cpp
---------------------------
begin : September 2012
copyright : (C) 2012 by Magnus Homann
email : magnus at homann dot se
***************************************************************************/
/***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
#include "qgsapplication.h"
#include "qgslogger.h"
#include "qgsscalecombobox.h"
#include <QObject>
#include <QLineEdit>
#include <QComboBox>
#include <QSignalSpy>
#include <QtTest>
class TestQgsScaleComboBox: public QObject
{
Q_OBJECT;
private slots:
void initTestCase();// will be called before the first testfunction is executed.
void cleanupTestCase();// will be called after the last testfunction was executed.
void init();// will be called before each testfunction is executed.
void cleanup();// will be called after every testfunction.
void basic();
void slot_test();
private:
QgsScaleComboBox *s;
};
void TestQgsScaleComboBox::initTestCase()
{
QgsApplication::init();
QgsApplication::initQgis();
// Create a combobox, and init with predefined scales.
s = new QgsScaleComboBox();
QgsDebugMsg( QString( "Initial scale is %1" ).arg( s->scaleString() ) );
};
void TestQgsScaleComboBox::cleanupTestCase()
{
delete s;
};
void TestQgsScaleComboBox::init()
{
};
void TestQgsScaleComboBox::basic()
{
QLineEdit *l = s->lineEdit();
// Testing conversion from "1:nnn".
l->setText( "" );
QTest::keyClicks( l, "1:2345" );
QTest::keyClick( l, Qt::Key_Return );
QCOMPARE( s->scaleString(), QString( "1:2345" ) );
QCOMPARE( s->scale(), (( double ) 1.0 / ( double ) 2345.0 ) );
// Testing conversion from number to "1:x"
l->setText( "" );
QTest::keyClicks( l, QLocale::system().toString( 0.02 ) );
QTest::keyClick( l, Qt::Key_Return );
QCOMPARE( s->scaleString(), QString( "1:50" ) );
QCOMPARE( s->scale(), ( double ) 0.02 );
// Testing conversion from number to "1:x"
l->setText( "" );
QTest::keyClicks( l, QLocale::system().toString( 42 ) );
QTest::keyClick( l, Qt::Key_Return );
QCOMPARE( s->scaleString(), QString( "1:42" ) );
QCOMPARE( s->scale(), ( double ) 1.0 / ( double ) 42.0 );
// Testing rounding and conversion from illegal
l->setText( "" );
QTest::keyClicks( l, QLocale::system().toString( 0.24 ) );
QTest::keyClick( l, Qt::Key_Return );
l->setText( "" );
QTest::keyClicks( l, "1:x:2" );
QTest::keyClick( l, Qt::Key_Return );
QCOMPARE( s->scaleString(), QString( "1:4" ) );
QCOMPARE( s->scale(), ( double ) 0.25 );
// Test setting programatically
s->setScale(( double ) 0.19 );
QCOMPARE( s->scaleString(), QString( "1:5" ) );
QCOMPARE( s->scale(), ( double ) 0.2 );
// Test setting programatically
s->setScaleString( QString( "1:240" ) );
QCOMPARE( s->scaleString(), QString( "1:240" ) );
QCOMPARE( s->scale(), ( double ) 1.0 / ( double ) 240.0 );
// Test setting programatically illegal string
s->setScaleString( QString( "1:2.4" ) );
QCOMPARE( s->scaleString(), QString( "1:240" ) );
QCOMPARE( s->scale(), ( double ) 1.0 / ( double ) 240.0 );
};
void TestQgsScaleComboBox::slot_test()
{
QLineEdit *l = s->lineEdit();
l->setText( "" );
QSignalSpy spyScaleChanged( s, SIGNAL( scaleChanged() ) );
QSignalSpy spyFixup( l, SIGNAL( editingFinished() ) );
QTest::keyClicks( l, QLocale::system().toString( 0.02 ) );
QTest::keyClick( l, Qt::Key_Return );
QCOMPARE( spyFixup.count(), 2 ); // Qt emits twice!?
QCOMPARE( spyScaleChanged.count(), 1 );
}
void TestQgsScaleComboBox::cleanup()
{
};
QTEST_MAIN( TestQgsScaleComboBox )
#include "moc_testqgsscalecombobox.cxx"