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Followup 172953, add unit tests

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nyalldawson committed Jun 29, 2016
1 parent 1729531 commit e95a8a979a62fdd09fd678efafe28f95b44ff50c
Showing with 46 additions and 32 deletions.
  1. +4 −4 src/core/qgstestutils.h
  2. +42 −28 tests/src/core/testqgsgeometry.cpp
@@ -23,13 +23,13 @@
* @note added in QGIS 2.16
*/

#define QGSCOMPARENEAR(a,b,epsilon) { \
bool _xxxresult = qgsDoubleNear( a, b, epsilon ); \
#define QGSCOMPARENEAR(value,expected,epsilon) { \
bool _xxxresult = qgsDoubleNear( value, expected, epsilon ); \
if ( !_xxxresult ) \
{ \
qDebug( "Expecting %f got %f (diff %f > %f)", static_cast< double >( a ), static_cast< double >( b ), qAbs( static_cast< double >( a ) - b ), static_cast< double >( epsilon ) ); \
qDebug( "Expecting %f got %f (diff %f > %f)", static_cast< double >( expected ), static_cast< double >( value ), qAbs( static_cast< double >( expected ) - value ), static_cast< double >( epsilon ) ); \
} \
QVERIFY( qgsDoubleNear( a, b, epsilon ) ); \
QVERIFY( qgsDoubleNear( value, expected, epsilon ) ); \
}


@@ -36,6 +36,7 @@
#include "qgscircularstringv2.h"
#include "qgsgeometrycollectionv2.h"
#include "qgsgeometryfactory.h"
#include "qgstestutils.h"

//qgs unit test utility class
#include "qgsrenderchecker.h"
@@ -600,19 +601,24 @@ void TestQgsGeometry::pointV2()
QgsCoordinateReferenceSystem sourceSrs;
sourceSrs.createFromSrid( 3994 );
QgsCoordinateReferenceSystem destSrs;
destSrs.createFromSrid( 4326 );
destSrs.createFromSrid( 4202 ); // want a transform with ellipsoid change
QgsCoordinateTransform tr( sourceSrs, destSrs );
QgsPointV2 p16( QgsWKBTypes::PointZM, 6374985, -3626584, 1, 2 );
p16.transform( tr, QgsCoordinateTransform::ForwardTransform );
QVERIFY( qgsDoubleNear( p16.x(), 175.771, 0.001 ) );
QVERIFY( qgsDoubleNear( p16.y(), -39.722, 0.001 ) );
QVERIFY( qgsDoubleNear( p16.z(), 1.0, 0.001 ) );
QGSCOMPARENEAR( p16.x(), 175.771, 0.001 );
QGSCOMPARENEAR( p16.y(), -39.724, 0.001 );
QGSCOMPARENEAR( p16.z(), 1.0, 0.001 );
QCOMPARE( p16.m(), 2.0 );
p16.transform( tr, QgsCoordinateTransform::ReverseTransform );
QVERIFY( qgsDoubleNear( p16.x(), 6374985, 1 ) );
QVERIFY( qgsDoubleNear( p16.y(), -3626584, 1 ) );
QVERIFY( qgsDoubleNear( p16.z(), 1.0, 0.001 ) );
QGSCOMPARENEAR( p16.x(), 6374985, 1 );
QGSCOMPARENEAR( p16.y(), -3626584, 1 );
QGSCOMPARENEAR( p16.z(), 1.0, 0.001 );
QCOMPARE( p16.m(), 2.0 );
//test with z transform
p16.transform( tr, QgsCoordinateTransform::ForwardTransform, true );
QGSCOMPARENEAR( p16.z(), -19.249, 0.001 );
p16.transform( tr, QgsCoordinateTransform::ReverseTransform, true );
QGSCOMPARENEAR( p16.z(), 1.0, 0.001 );

//QTransform transform
QTransform qtr = QTransform::fromScale( 2, 3 );
@@ -1467,48 +1473,56 @@ void TestQgsGeometry::lineStringV2()
QgsCoordinateReferenceSystem sourceSrs;
sourceSrs.createFromSrid( 3994 );
QgsCoordinateReferenceSystem destSrs;
destSrs.createFromSrid( 4326 );
destSrs.createFromSrid( 4202 ); // want a transform with ellipsoid change
QgsCoordinateTransform tr( sourceSrs, destSrs );

// 2d CRS transform
QgsLineStringV2 l21;
l21.setPoints( QgsPointSequenceV2() << QgsPointV2( 6374985, -3626584 )
<< QgsPointV2( 6474985, -3526584 ) );
l21.transform( tr, QgsCoordinateTransform::ForwardTransform );
QVERIFY( qgsDoubleNear( l21.pointN( 0 ).x(), 175.771, 0.001 ) );
QVERIFY( qgsDoubleNear( l21.pointN( 0 ).y(), -39.722, 0.001 ) );
QVERIFY( qgsDoubleNear( l21.pointN( 1 ).x(), 176.959, 0.001 ) );
QVERIFY( qgsDoubleNear( l21.pointN( 1 ).y(), -38.798, 0.001 ) );
QVERIFY( qgsDoubleNear( l21.boundingBox().xMinimum(), 175.771, 0.001 ) );
QVERIFY( qgsDoubleNear( l21.boundingBox().yMinimum(), -39.722, 0.001 ) );
QVERIFY( qgsDoubleNear( l21.boundingBox().xMaximum(), 176.959, 0.001 ) );
QVERIFY( qgsDoubleNear( l21.boundingBox().yMaximum(), -38.798, 0.001 ) );
QGSCOMPARENEAR( l21.pointN( 0 ).x(), 175.771, 0.001 );
QGSCOMPARENEAR( l21.pointN( 0 ).y(), -39.724, 0.001 );
QGSCOMPARENEAR( l21.pointN( 1 ).x(), 176.959, 0.001 );
QGSCOMPARENEAR( l21.pointN( 1 ).y(), -38.7999, 0.001 );
QGSCOMPARENEAR( l21.boundingBox().xMinimum(), 175.771, 0.001 );
QGSCOMPARENEAR( l21.boundingBox().yMinimum(), -39.724, 0.001 );
QGSCOMPARENEAR( l21.boundingBox().xMaximum(), 176.959, 0.001 );
QGSCOMPARENEAR( l21.boundingBox().yMaximum(), -38.7999, 0.001 );

//3d CRS transform
QgsLineStringV2 l22;
l22.setPoints( QgsPointSequenceV2() << QgsPointV2( QgsWKBTypes::PointZM, 6374985, -3626584, 1, 2 )
<< QgsPointV2( QgsWKBTypes::PointZM, 6474985, -3526584, 3, 4 ) );
l22.transform( tr, QgsCoordinateTransform::ForwardTransform );
QVERIFY( qgsDoubleNear( l22.pointN( 0 ).x(), 175.771, 0.001 ) );
QVERIFY( qgsDoubleNear( l22.pointN( 0 ).y(), -39.722, 0.001 ) );
QVERIFY( qgsDoubleNear( l22.pointN( 0 ).z(), 1.0, 0.001 ) );
QGSCOMPARENEAR( l22.pointN( 0 ).x(), 175.771, 0.001 );
QGSCOMPARENEAR( l22.pointN( 0 ).y(), -39.724, 0.001 );
QGSCOMPARENEAR( l22.pointN( 0 ).z(), 1.0, 0.001 );
QCOMPARE( l22.pointN( 0 ).m(), 2.0 );
QVERIFY( qgsDoubleNear( l22.pointN( 1 ).x(), 176.959, 0.001 ) );
QVERIFY( qgsDoubleNear( l22.pointN( 1 ).y(), -38.798, 0.001 ) );
QVERIFY( qgsDoubleNear( l22.pointN( 1 ).z(), 3.0, 0.001 ) );
QGSCOMPARENEAR( l22.pointN( 1 ).x(), 176.959, 0.001 );
QGSCOMPARENEAR( l22.pointN( 1 ).y(), -38.7999, 0.001 );
QGSCOMPARENEAR( l22.pointN( 1 ).z(), 3.0, 0.001 );
QCOMPARE( l22.pointN( 1 ).m(), 4.0 );

//reverse transform
l22.transform( tr, QgsCoordinateTransform::ReverseTransform );
QVERIFY( qgsDoubleNear( l22.pointN( 0 ).x(), 6374985, 0.01 ) );
QVERIFY( qgsDoubleNear( l22.pointN( 0 ).y(), -3626584, 0.01 ) );
QVERIFY( qgsDoubleNear( l22.pointN( 0 ).z(), 1, 0.001 ) );
QGSCOMPARENEAR( l22.pointN( 0 ).x(), 6374985, 0.01 );
QGSCOMPARENEAR( l22.pointN( 0 ).y(), -3626584, 0.01 );
QGSCOMPARENEAR( l22.pointN( 0 ).z(), 1, 0.001 );
QCOMPARE( l22.pointN( 0 ).m(), 2.0 );
QVERIFY( qgsDoubleNear( l22.pointN( 1 ).x(), 6474985, 0.01 ) );
QVERIFY( qgsDoubleNear( l22.pointN( 1 ).y(), -3526584, 0.01 ) );
QVERIFY( qgsDoubleNear( l22.pointN( 1 ).z(), 3, 0.001 ) );
QGSCOMPARENEAR( l22.pointN( 1 ).x(), 6474985, 0.01 );
QGSCOMPARENEAR( l22.pointN( 1 ).y(), -3526584, 0.01 );
QGSCOMPARENEAR( l22.pointN( 1 ).z(), 3, 0.001 );
QCOMPARE( l22.pointN( 1 ).m(), 4.0 );

//z value transform
l22.transform( tr, QgsCoordinateTransform::ForwardTransform, true );
QGSCOMPARENEAR( l22.pointN( 0 ).z(), -19.249066, 0.001 );
QGSCOMPARENEAR( l22.pointN( 1 ).z(), -21.092128, 0.001 );
l22.transform( tr, QgsCoordinateTransform::ReverseTransform, true );
QGSCOMPARENEAR( l22.pointN( 0 ).z(), 1.0, 0.001 );
QGSCOMPARENEAR( l22.pointN( 1 ).z(), 3.0, 0.001 );

//QTransform transform
QTransform qtr = QTransform::fromScale( 2, 3 );
QgsLineStringV2 l23;

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