Added test for #4418

tests/complex/traci/pythonApi/bugs/testsuite.complex

@@ -53,3 +53,4 @@ ticket4214
 
 # add trip
 ticket4307
+ticket4418

tests/complex/traci/pythonApi/bugs/ticket4418/input_net.net.xml

@@ -0,0 +1,29 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<!-- generated on Di 14 Aug 2018 14:47:49 CEST by Eclipse SUMO netedit Version 0df7906
+<configuration xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="http://sumo.dlr.de/xsd/netconvertConfiguration.xsd">
+
+    <output>
+        <output-file value="/home/leo/repos/sumo_master/mytests/slowdown_ballistic/net.net.xml"/>
+    </output>
+
+    <processing>
+        <no-turnarounds value="true"/>
+        <offset.disable-normalization value="true"/>
+    </processing>
+
+</configuration>
+-->
+
+<net version="0.27" junctionCornerDetail="5" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="http://sumo.dlr.de/xsd/net_file.xsd">
+
+    <location netOffset="0.00,0.00" convBoundary="0.00,0.00,500.00,0.00" origBoundary="10000000000.00,10000000000.00,-10000000000.00,-10000000000.00" projParameter="!"/>
+
+    <edge id="E" from="gneJ0" to="gneJ1" priority="-1">
+        <lane id="E_0" index="0" speed="13.89" length="500.00" shape="0.00,-1.60 500.00,-1.60"/>
+    </edge>
+
+    <junction id="gneJ0" type="dead_end" x="0.00" y="0.00" incLanes="" intLanes="" shape="0.00,0.00 0.00,-3.20"/>
+    <junction id="gneJ1" type="dead_end" x="500.00" y="0.00" incLanes="E_0" intLanes="" shape="500.00,-3.20 500.00,0.00"/>
+
+</net>

tests/complex/traci/pythonApi/bugs/ticket4418/input_routes.rou.xml

@@ -0,0 +1,8 @@
+<routes xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="http://sumo.dlr.de/xsd/routes_file.xsd">
+    <vType id="t0" sigma="0" />
+    <route id="r0" edges="E" />
+    <vehicle id="lead" depart="0" departSpeed="max" route="r0" >
+        <stop lane="E_0" endPos="200" duration="50" />
+    </vehicle>
+    <vehicle id="follow" depart="10" departSpeed="max" route="r0" />
+</routes>

tests/complex/traci/pythonApi/bugs/ticket4418/knownbugs.complex

@@ -0,0 +1,6 @@
+
+[Reported by leo at 14Aug15:15:32]
+search_string:collision
+search_file:errors
+full_description:#4418
+brief_description:#4418

tests/complex/traci/pythonApi/bugs/ticket4418/options.complex

@@ -0,0 +1 @@
+tests/complex/traci/pythonApi/bugs/ticket4418/runner.py

tests/complex/traci/pythonApi/bugs/ticket4418/output.complex

@@ -0,0 +1,3 @@
+Loading configuration... done.
+ Retrying in 1 seconds
+Commanding slow down for vehicle 'follow' at time 26.0. Remaining distance: 9.75958510426, speed: 4.25464094651

tests/complex/traci/pythonApi/bugs/ticket4418/runner.py

@@ -0,0 +1,64 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+# Eclipse SUMO, Simulation of Urban MObility; see https://eclipse.org/sumo
+# Copyright (C) 2008-2018 German Aerospace Center (DLR) and others.
+# This program and the accompanying materials
+# are made available under the terms of the Eclipse Public License v2.0
+# which accompanies this distribution, and is available at
+# http://www.eclipse.org/legal/epl-v20.html
+# SPDX-License-Identifier: EPL-2.0
+
+# @file    runner.py
+# @author  Leonhard Luecken
+# @author  Michael Behrisch
+# @author  Jakob Erdmann
+# @author  Daniel Krajzewicz
+# @date    2011-03-04
+# @version $Id$
+
+
+from __future__ import print_function
+from __future__ import absolute_import
+import os
+import sys
+
+SUMO_HOME = os.path.join(os.path.dirname(__file__), "..", "..", "..", "..", "..")
+sys.path.append(os.path.join(os.environ.get("SUMO_HOME", SUMO_HOME), "tools"))
+
+import traci  # noqa
+import sumolib  
+
+def step():
+    s = traci.simulation.getTime()
+    traci.simulationStep()
+    return s
+
+
+traci.start([sumolib.checkBinary('sumo'), "-c", "sumo.sumocfg"])
+
+lead = "lead"
+follow = "follow"    
+
+stopPos = 200 
+slowDownDist = 10
+
+for i in range(10000):
+    step()
+    remDist = stopPos - traci.vehicle.getLanePosition(follow)
+    if remDist < slowDownDist:
+        # stop after distance remDist (which is the stop position for the leader (mimics glosa situation in front of traffic light where this problem was observed))
+        # d = v*v/(2*a) => a = v*v/(2*d) => tstop = v/a = 2*d/v        
+        speed = traci.vehicle.getSpeed(follow)
+        tstop = 2*remDist / speed
+
+        print("Commanding slow down for vehicle '%s' at time %s. Remaining distance: %s, speed: %s"%(follow, traci.simulation.getCurrentTime()/1000., remDist, speed))
+
+        traci.vehicle.slowDown(follow, 0, tstop*1000)
+        break
+
+while traci.simulation.getMinExpectedNumber() > 0:
+    step()
+
+
+# done
+traci.close()

tests/complex/traci/pythonApi/bugs/ticket4418/sumo.sumocfg

@@ -0,0 +1,16 @@
+<configuration xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="http://sumo.dlr.de/xsd/sumoConfiguration.xsd">
+
+    <input>
+        <net-file value="input_net.net.xml" />
+        <route-files value="input_routes.rou.xml" />
+    </input>
+
+    <processing>
+        <step-method.ballistic value="true" />
+    </processing>
+
+    <report>
+        <no-step-log value="true" />
+    </report>
+
+</configuration>