assert ((aLineBStartPoint.x(), aLineBStartPoint.y()) == (aLineAEndPoint.x(), aLineAEndPoint.y()))
assert ((aLineCStartPoint.x(), aLineCStartPoint.y()) == (aLineBEndPoint.x(), aLineBEndPoint.y()))
assert (model.dof(aSketchFeature) == 6)
+
+#=========================================================================
+# Create circle, fix it and check the circle is not moved
+#=========================================================================
+aCenter = [10., 10.]
+aRadius = 5.
+aSession.startOperation()
+aCircle = aSketchFeature.addFeature("SketchCircle")
+aCircleCenter = geomDataAPI_Point2D(aCircle.attribute("circle_center"))
+aCircleRadius = aCircle.real("circle_radius")
+aCircleCenter.setValue(aCenter[0], aCenter[1])
+aCircleRadius.setValue(aRadius)
+aSession.finishOperation()
+assert (model.dof(aSketchFeature) == 9)
+# fixed constraints
+aSession.startOperation()
+aRigidConstraint = aSketchFeature.addFeature("SketchConstraintRigid")
+aRigidConstraint.refattr("ConstraintEntityA").setObject(aCircle.lastResult())
+aSession.finishOperation()
+assert (model.dof(aSketchFeature) == 6)
+# move center of circle
+aSession.startOperation()
+aCircleCenter.setValue(aCenter[0] + 1., aCenter[1] - 1.)
+aSession.finishOperation()
+assert (aCircleCenter.x() == aCenter[0] and aCircleCenter.y() == aCenter[1])
+assert (aCircleRadius.value() == aRadius)
+assert (model.dof(aSketchFeature) == 6)
+# change radius of circle
+aSession.startOperation()
+aCircleRadius.setValue(aRadius + 3.)
+aSession.finishOperation()
+assert (aCircleCenter.x() == aCenter[0] and aCircleCenter.y() == aCenter[1])
+assert (aCircleRadius.value() == aRadius)
+assert (model.dof(aSketchFeature) == 6)
+
+#=========================================================================
+# Remove Fixed constraint and check the circle can be moved
+#=========================================================================
+aSession.startOperation()
+aDocument.removeFeature(aRigidConstraint)
+aSession.finishOperation()
+assert (model.dof(aSketchFeature) == 9)
+# move center of circle
+aCenter = [aCenter[0] + 1., aCenter[1] - 1.]
+aSession.startOperation()
+aCircleCenter.setValue(aCenter[0], aCenter[1])
+aSession.finishOperation()
+assert (aCircleCenter.x() == aCenter[0] and aCircleCenter.y() == aCenter[1])
+assert (aCircleRadius.value() == aRadius)
+assert (model.dof(aSketchFeature) == 9)
+# change radius of circle
+aRadius = aRadius + 3.
+aSession.startOperation()
+aCircleRadius.setValue(aRadius)
+aSession.finishOperation()
+assert (aCircleCenter.x() == aCenter[0] and aCircleCenter.y() == aCenter[1])
+assert (aCircleRadius.value() == aRadius)
+assert (model.dof(aSketchFeature) == 9)
+
+#=========================================================================
+# Create arc, fix it and check it is not moved
+#=========================================================================
+aCenter = [10., 10.]
+aStart = [5., 10.]
+aEnd = [10., 15.]
+aSession.startOperation()
+anArc = aSketchFeature.addFeature("SketchArc")
+anArcCenter = geomDataAPI_Point2D(anArc.attribute("center_point"))
+anArcStart = geomDataAPI_Point2D(anArc.attribute("start_point"))
+anArcEnd = geomDataAPI_Point2D(anArc.attribute("end_point"))
+anArcCenter.setValue(aCenter[0], aCenter[1])
+anArcStart.setValue(aStart[0], aStart[1])
+anArcEnd.setValue(aEnd[0], aEnd[1])
+aSession.finishOperation()
+assert (model.dof(aSketchFeature) == 14)
+# fixed constraints
+aSession.startOperation()
+aRigidConstraint = aSketchFeature.addFeature("SketchConstraintRigid")
+aRigidConstraint.refattr("ConstraintEntityA").setObject(anArc.lastResult())
+aSession.finishOperation()
+assert (model.dof(aSketchFeature) == 9)
+# move center of arc
+aSession.startOperation()
+anArcCenter.setValue(aCenter[0] + 1., aCenter[1] - 1.)
+aSession.finishOperation()
+assert (anArcCenter.x() == aCenter[0] and anArcCenter.y() == aCenter[1])
+assert (anArcStart.x() == aStart[0] and anArcStart.y() == aStart[1])
+assert (anArcEnd.x() == aEnd[0] and anArcEnd.y() == aEnd[1])
+assert (model.dof(aSketchFeature) == 9)
+# move start point of arc
+aSession.startOperation()
+anArcStart.setValue(aStart[0] + 1., aStart[1] - 1.)
+aSession.finishOperation()
+assert (anArcCenter.x() == aCenter[0] and anArcCenter.y() == aCenter[1])
+assert (anArcStart.x() == aStart[0] and anArcStart.y() == aStart[1])
+assert (anArcEnd.x() == aEnd[0] and anArcEnd.y() == aEnd[1])
+assert (model.dof(aSketchFeature) == 9)
+# move end point of arc
+aSession.startOperation()
+anArcEnd.setValue(aEnd[0] + 1., aEnd[1] - 1.)
+aSession.finishOperation()
+assert (anArcCenter.x() == aCenter[0] and anArcCenter.y() == aCenter[1])
+assert (anArcStart.x() == aStart[0] and anArcStart.y() == aStart[1])
+assert (anArcEnd.x() == aEnd[0] and anArcEnd.y() == aEnd[1])
+assert (model.dof(aSketchFeature) == 9)
+
+#=========================================================================
+# Remove Fixed constraint and check the arc can be moved
+#=========================================================================
+aSession.startOperation()
+aDocument.removeFeature(aRigidConstraint)
+aSession.finishOperation()
+assert (model.dof(aSketchFeature) == 14)
+# move center of arc
+aCenter = [anArcCenter.x(), anArcCenter.y()]
+aSession.startOperation()
+anArcCenter.setValue(aCenter[0] + 1., aCenter[1] - 1.)
+aSession.finishOperation()
+assert (anArcCenter.x() != aCenter[0] or anArcCenter.y() != aCenter[1])
+assert (model.dof(aSketchFeature) == 14)
+# move start point of arc
+aStart = [anArcStart.x(), anArcStart.y()]
+aSession.startOperation()
+anArcStart.setValue(aStart[0] + 1., aStart[1] - 1.)
+aSession.finishOperation()
+assert (anArcStart.x() != aStart[0] or anArcStart.y() != aStart[1])
+assert (model.dof(aSketchFeature) == 14)
+# move end point of arc
+aEnd = [anArcEnd.x(), anArcEnd.y()]
+aSession.startOperation()
+anArcEnd.setValue(aEnd[0] + 1., aEnd[1] - 1.)
+aSession.finishOperation()
+assert (anArcEnd.x() != aEnd[0] or anArcEnd.y() != aEnd[1])
+assert (model.dof(aSketchFeature) == 14)
+
#=========================================================================
# End of test
#=========================================================================
