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Improved QgsClipper test, and ran prepare-commit

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This commit is contained in:
Magnus Homann 2012-09-16 12:07:26 +02:00
parent 883dcab1fe
commit 96295010d3
3 changed files with 42 additions and 22 deletions
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44
tests/src/core/testqgsclipper.cpp
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@ -34,23 +34,18 @@ class TestQgsClipper: public QObject
void init() {};// will be called before each testfunction is executed.
void cleanup() {};// will be called after every testfunction.
void basic();
private:
bool TestQgsClipper::checkBoundingBox( QPolygonF polygon, QgsRectangle clipRect );
};
void TestQgsClipper::initTestCase()
{
//
// Runs once before any tests are run
//
// init QGIS's paths - true means that all path will be inited from prefix
// QgsApplication::init();
// QgsApplication::initQgis();
// QgsApplication::showSettings();
}
void TestQgsClipper::basic()
{
// CQgsClipper is static only
//QgsClipper snipsnip;
// QgsClipper is static only
QPolygonF polygon;
polygon << QPointF( 10.4, 20.5 ) << QPointF( 20.2, 30.2 );
@ -59,11 +54,36 @@ void TestQgsClipper::basic()
QgsClipper::trimPolygon( polygon, clipRect );
QRectF bBox( polygon.boundingRect() );
QgsRectangle boundingRect( bBox.bottomLeft().x(), bBox.bottomLeft().y(), bBox.topRight().x(), bBox.topRight().y() );
// Check nothing sticks out.
QVERIFY( checkBoundingBox( polygon , clipRect ) );
// Check that it didn't clip too much
QgsRectangle clipRectInner( clipRect );
clipRectInner.scale( 0.999 );
QVERIFY( ! checkBoundingBox( polygon , clipRectInner ) );
QVERIFY( clipRect.contains( boundingRect ) );
// A more complex example
polygon.clear();
polygon << QPointF( 1.0, 9.0 ) << QPointF( 11.0, 11.0 ) << QPointF( 9.0, 1.0 );
clipRect.set( 0.0, 0.0, 10.0, 10.0 );
QgsClipper::trimPolygon( polygon, clipRect );
// We should have 5 vertices now?
QCOMPARE( polygon.size(), 5 );
// Check nothing sticks out.
QVERIFY( checkBoundingBox( polygon , clipRect ) );
// Check that it didn't clip too much
clipRectInner = clipRect;
clipRectInner.scale( 0.999 );
QVERIFY( ! checkBoundingBox( polygon , clipRectInner ) );
};
bool TestQgsClipper::checkBoundingBox( QPolygonF polygon, QgsRectangle clipRect )
{
QgsRectangle bBox( polygon.boundingRect() );
return clipRect.contains( bBox );
}
QTEST_MAIN( TestQgsClipper )
#include "moc_testqgsclipper.cxx"