Merge pull request #4233 from myarjunar/test-toMapPixel

add unit test for toMapPoint function

Author: nyalldawson

tests/src/core/testqgsmaptopixel.cpp

@@ -29,6 +29,7 @@ class TestQgsMapToPixel: public QObject
     void rotation();
     void getters();
     void fromScale();
+    void toMapPoint();
 };
 
 void TestQgsMapToPixel::rotation()
@@ -106,6 +107,19 @@ void TestQgsMapToPixel::fromScale()
   QGSCOMPARENEAR( m2p.mapUnitsPerPixel(), 0.000265, 0.000001 );
 }
 
+void TestQgsMapToPixel::toMapPoint()
+{
+  QgsMapToPixel m2p( 1, 5, 5, 10, 10, 90 );
+  QgsPoint p = m2p.toMapPoint( 5, 5 );
+  QCOMPARE( p, QgsPoint( 5, 5 ) );
+
+  p = m2p.toMapPoint( 10, 10 );
+  QCOMPARE( p, QgsPoint( 10, 10 ) );
+
+  p = m2p.toMapPoint( 20, 20 );
+  QCOMPARE( p, QgsPoint( 20, 20 ) );
+}
+
 QGSTEST_MAIN( TestQgsMapToPixel )
 #include "testqgsmaptopixel.moc"