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Add test for unprojectible polygon labeling
See #15507
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strk committed May 16, 2017
1 parent 11475c6 commit 4ed096b94dff3101786e67a49567544f77c759d8
Showing with 38 additions and 0 deletions.
  1. +38 −0 tests/src/core/testqgslabelingengine.cpp
@@ -47,6 +47,7 @@ class TestQgsLabelingEngine : public QObject
void testSubstitutions();
void testCapitalization();
void testParticipatingLayers();
void testRegisterFeatureUnprojectible();

private:
QgsVectorLayer *vl = nullptr;
@@ -586,5 +587,42 @@ bool TestQgsLabelingEngine::imageCheck( const QString &testName, QImage &image,
return resultFlag;
}

// See https://issues.qgis.org/issues/15507
void TestQgsLabelingEngine::testRegisterFeatureUnprojectible()
{
QgsPalLayerSettings settings;
settings.fieldName = QString( "'aa label'" );
settings.isExpression = true;
settings.fitInPolygonOnly = true;

std::unique_ptr< QgsVectorLayer> vl2( new QgsVectorLayer( "polygon?crs=epsg:4326&field=id:integer", "vl", "memory" ) );
QgsVectorLayerLabelProvider* provider = new QgsVectorLayerLabelProvider( vl2.get(), "test", true, &settings );
QgsFeature f( vl2->fields(), 1 );

QString wkt1 = "POLYGON((0 0,8 0,8 -90,0 0))";
f.setGeometry( QgsGeometry().fromWkt( wkt1 ) );

// make a fake render context
QSize size( 640, 480 );
QgsMapSettings mapSettings;
QgsCoordinateReferenceSystem tgtCrs;
tgtCrs.createFromString( "EPSG:3857" );
mapSettings.setDestinationCrs( tgtCrs );

mapSettings.setOutputSize( size );
mapSettings.setExtent( vl2->extent() );
mapSettings.setLayers( QList<QgsMapLayer *>() << vl2.get() );
mapSettings.setOutputDpi( 96 );
QgsRenderContext context = QgsRenderContext::fromMapSettings( mapSettings );
QSet<QString> attributes;
QgsLabelingEngine engine;
engine.setMapSettings( mapSettings );
engine.addProvider( provider );
provider->prepare( context, attributes );

provider->registerFeature( f, context );
QCOMPARE( provider->mLabels.size(), 0 );
}

QGSTEST_MAIN( TestQgsLabelingEngine )
#include "testqgslabelingengine.moc"

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