From bdff17e60fa1c0b085f08cb73e5af714ead4ada4 Mon Sep 17 00:00:00 2001
From: Jakob Erdmann <jakob.erdmann@dlr.de>
Date: Fri, 20 Dec 2024 10:26:04 +0100
Subject: [PATCH] added tests refs #21, #15944

---
 .../XML/connections/testsuite.netconvert      |   3 +
 .../unconnected_all/errors.netconvert         |   3 +
 .../unconnected_all/input_plain.con.xml       |  56 ++++++
 .../unconnected_all/input_plain.edg.xml       | 128 ++++++++++++++
 .../unconnected_all/input_plain.nod.xml       |  44 +++++
 .../unconnected_all/net.netconvert            | 163 ++++++++++++++++++
 .../unconnected_all/options.netconvert        |   4 +
 .../unconnected_all/output.netconvert         |   1 +
 8 files changed, 402 insertions(+)
 create mode 100644 tests/netconvert/import/XML/connections/unconnected_all/errors.netconvert
 create mode 100644 tests/netconvert/import/XML/connections/unconnected_all/input_plain.con.xml
 create mode 100644 tests/netconvert/import/XML/connections/unconnected_all/input_plain.edg.xml
 create mode 100644 tests/netconvert/import/XML/connections/unconnected_all/input_plain.nod.xml
 create mode 100644 tests/netconvert/import/XML/connections/unconnected_all/net.netconvert
 create mode 100644 tests/netconvert/import/XML/connections/unconnected_all/options.netconvert
 create mode 100644 tests/netconvert/import/XML/connections/unconnected_all/output.netconvert

diff --git a/tests/netconvert/import/XML/connections/testsuite.netconvert b/tests/netconvert/import/XML/connections/testsuite.netconvert
index dcbf4ee9a345..4f1ce0b33a43 100644
--- a/tests/netconvert/import/XML/connections/testsuite.netconvert
+++ b/tests/netconvert/import/XML/connections/testsuite.netconvert
@@ -95,6 +95,9 @@ prohibit_changing
 # some edges are disconnected explicitly
 unconnected
 
+# test for #15944
+unconnected_all
+
 # make sure that parallel left turns all use the same curve
 parallel_left_turns
 
diff --git a/tests/netconvert/import/XML/connections/unconnected_all/errors.netconvert b/tests/netconvert/import/XML/connections/unconnected_all/errors.netconvert
new file mode 100644
index 000000000000..09d05a80fc96
--- /dev/null
+++ b/tests/netconvert/import/XML/connections/unconnected_all/errors.netconvert
@@ -0,0 +1,3 @@
+Warning: Lane '-326116286#2_2' is not connected from any incoming edge at junction '25662542'.
+Warning: Edge '-4402014#2' is not connected to outgoing edges at junction '25662542'.
+Warning: Lane '4402014#0_2' is not connected from any incoming edge at junction '25662542'.
diff --git a/tests/netconvert/import/XML/connections/unconnected_all/input_plain.con.xml b/tests/netconvert/import/XML/connections/unconnected_all/input_plain.con.xml
new file mode 100644
index 000000000000..ca9dc4da1531
--- /dev/null
+++ b/tests/netconvert/import/XML/connections/unconnected_all/input_plain.con.xml
@@ -0,0 +1,56 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<!-- generated on 2024-12-20 10:20:52 by Eclipse SUMO netedit Version v1_21_0+1522-8cbae08792c
+<neteditConfiguration xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="http://sumo.dlr.de/xsd/neteditConfiguration.xsd">
+
+    <input>
+        <node-files value="/localdata1/debug/11373/plain2.nod.xml"/>
+        <edge-files value="/localdata1/debug/11373/plain2.edg.xml"/>
+        <connection-files value="/localdata1/debug/11373/plain2.con.xml"/>
+        <tllogic-files value="/localdata1/debug/11373/plain2.tll.xml"/>
+    </input>
+
+    <output>
+        <output.street-names value="true"/>
+    </output>
+
+    <processing>
+        <geometry.min-radius.fix.railways value="false"/>
+        <geometry.max-grade.fix value="false"/>
+        <offset.disable-normalization value="true"/>
+        <lefthand value="0"/>
+    </processing>
+
+    <junctions>
+        <no-internal-links value="true"/>
+        <no-turnarounds value="true"/>
+        <junctions.corner-detail value="5"/>
+        <junctions.limit-turn-speed value="5.50"/>
+        <rectangular-lane-cut value="0"/>
+    </junctions>
+
+    <pedestrian>
+        <walkingareas value="0"/>
+    </pedestrian>
+
+</neteditConfiguration>
+-->
+
+<connections version="1.20" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="http://sumo.dlr.de/xsd/connections_file.xsd">
+    <connection from="-326116286#2"/>
+
+    <connection from="-4402014#2"/>
+
+    <connection from="-4588217#5"/>
+
+    <connection from="-4588220#2"/>
+
+    <connection from="326116286#0"/>
+
+    <connection from="4402014#0"/>
+
+    <connection from="4588217#3"/>
+
+    <connection from="4588220#0"/>
+
+</connections>
diff --git a/tests/netconvert/import/XML/connections/unconnected_all/input_plain.edg.xml b/tests/netconvert/import/XML/connections/unconnected_all/input_plain.edg.xml
new file mode 100644
index 000000000000..75b7588774a0
--- /dev/null
+++ b/tests/netconvert/import/XML/connections/unconnected_all/input_plain.edg.xml
@@ -0,0 +1,128 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<!-- generated on 2024-12-20 10:11:06 by Eclipse SUMO netedit Version v1_21_0+1522-8cbae08792c
+<neteditConfiguration xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="http://sumo.dlr.de/xsd/neteditConfiguration.xsd">
+
+    <input>
+        <sumo-net-file value="osm.net.xml.gz"/>
+    </input>
+
+    <output>
+        <output.street-names value="true"/>
+    </output>
+
+    <processing>
+        <geometry.min-radius.fix.railways value="false"/>
+        <geometry.max-grade.fix value="false"/>
+        <offset.disable-normalization value="true"/>
+        <lefthand value="0"/>
+    </processing>
+
+    <junctions>
+        <no-internal-links value="false"/>
+        <no-turnarounds value="true"/>
+        <junctions.corner-detail value="5"/>
+        <junctions.limit-turn-speed value="5.50"/>
+        <rectangular-lane-cut value="0"/>
+    </junctions>
+
+    <pedestrian>
+        <walkingareas value="1"/>
+    </pedestrian>
+
+</neteditConfiguration>
+-->
+
+<edges version="1.20" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="http://sumo.dlr.de/xsd/edges_file.xsd">
+    <location netOffset="-389562.46,-5817979.56" convBoundary="888.83,1574.61,1026.57,1664.86" origBoundary="13.372213,52.501727,13.527402,52.569285" projParameter="+proj=utm +zone=33 +ellps=WGS84 +datum=WGS84 +units=m +no_defs"/>
+
+    <edge id="-326116286#2" from="25662542" to="3327334153" name="Glinkastraße" priority="12" type="cycleway.lane|highway.primary" numLanes="3" speed="13.89" shape="920.32,1615.21 919.04,1628.67 918.79,1631.36 915.61,1664.86">
+        <lane index="0" allow="pedestrian" width="3.00">
+            <param key="origId" value="326116286"/>
+        </lane>
+        <lane index="1" allow="bicycle" width="1.25">
+            <param key="origId" value="326116286"/>
+        </lane>
+        <lane index="2" disallow="pedestrian bicycle tram rail_urban rail rail_electric rail_fast ship container cable_car subway aircraft wheelchair scooter drone">
+            <param key="origId" value="326116286"/>
+        </lane>
+        <param key="ref" value="B 2;B 5"/>
+    </edge>
+    <edge id="-4402014#2" from="2055804552" to="25662542" name="Behrenstraße" priority="12" type="highway.primary" numLanes="3" speed="8.33" shape="888.83,1612.33 902.75,1613.60 904.58,1613.77 920.32,1615.21">
+        <lane index="0" allow="pedestrian" width="3.00">
+            <param key="origId" value="4402014"/>
+        </lane>
+        <lane index="1" disallow="pedestrian tram rail_urban rail rail_electric rail_fast ship container cable_car subway aircraft wheelchair scooter drone">
+            <param key="origId" value="4402014"/>
+        </lane>
+        <lane index="2" disallow="pedestrian tram rail_urban rail rail_electric rail_fast ship container cable_car subway aircraft wheelchair scooter drone">
+            <param key="origId" value="4402014"/>
+        </lane>
+        <param key="ref" value="B 2;B 5"/>
+    </edge>
+    <edge id="-4588217#5" from="25662542" to="2882465305" name="Behrenstraße" priority="3" type="highway.residential" numLanes="2" speed="8.33" shape="920.32,1615.21 932.57,1616.30 935.88,1616.58 1026.57,1624.58">
+        <lane index="0" allow="pedestrian" width="2.00">
+            <param key="origId" value="4588217"/>
+        </lane>
+        <lane index="1" disallow="pedestrian tram rail_urban rail rail_electric rail_fast ship container cable_car subway aircraft wheelchair scooter drone">
+            <param key="origId" value="4588217"/>
+        </lane>
+    </edge>
+    <edge id="-4588220#2" from="5148507741" to="25662542" name="Glinkastraße" priority="10" type="cycleway.lane|highway.tertiary" numLanes="3" speed="13.89" shape="923.67,1574.61 922.94,1583.40 921.41,1601.95 921.22,1604.32 920.32,1615.21">
+        <lane index="0" allow="pedestrian" width="3.00">
+            <param key="origId" value="4588220"/>
+        </lane>
+        <lane index="1" allow="bicycle" width="1.25">
+            <param key="origId" value="4588220"/>
+        </lane>
+        <lane index="2" disallow="pedestrian bicycle tram rail_urban rail rail_electric rail_fast ship container cable_car subway aircraft wheelchair scooter drone">
+            <param key="origId" value="4588220"/>
+        </lane>
+    </edge>
+    <edge id="326116286#0" from="3327334153" to="25662542" name="Glinkastraße" priority="12" type="cycleway.lane|highway.primary" numLanes="4" speed="13.89" shape="915.61,1664.86 918.79,1631.36 919.04,1628.67 920.32,1615.21">
+        <lane index="0" allow="pedestrian" width="3.00">
+            <param key="origId" value="326116286"/>
+        </lane>
+        <lane index="1" allow="bicycle" width="1.25">
+            <param key="origId" value="326116286"/>
+        </lane>
+        <lane index="2" disallow="pedestrian bicycle tram rail_urban rail rail_electric rail_fast ship container cable_car subway aircraft wheelchair scooter drone">
+            <param key="origId" value="326116286"/>
+        </lane>
+        <lane index="3" disallow="pedestrian bicycle tram rail_urban rail rail_electric rail_fast ship container cable_car subway aircraft wheelchair scooter drone">
+            <param key="origId" value="326116286"/>
+        </lane>
+        <param key="ref" value="B 2;B 5"/>
+    </edge>
+    <edge id="4402014#0" from="25662542" to="2055804552" name="Behrenstraße" priority="12" type="highway.primary" numLanes="3" speed="8.33" shape="920.32,1615.21 904.58,1613.77 902.75,1613.60 888.83,1612.33">
+        <lane index="0" allow="pedestrian" width="3.00">
+            <param key="origId" value="4402014"/>
+        </lane>
+        <lane index="1" disallow="pedestrian tram rail_urban rail rail_electric rail_fast ship container cable_car subway aircraft wheelchair scooter drone">
+            <param key="origId" value="4402014"/>
+        </lane>
+        <lane index="2" disallow="pedestrian tram rail_urban rail rail_electric rail_fast ship container cable_car subway aircraft wheelchair scooter drone">
+            <param key="origId" value="4402014"/>
+        </lane>
+        <param key="ref" value="B 2;B 5"/>
+    </edge>
+    <edge id="4588217#3" from="2882465305" to="25662542" name="Behrenstraße" priority="3" type="highway.residential" numLanes="2" speed="8.33" shape="1026.57,1624.58 935.88,1616.58 932.57,1616.30 920.32,1615.21">
+        <lane index="0" allow="pedestrian" width="2.00">
+            <param key="origId" value="4588217"/>
+        </lane>
+        <lane index="1" disallow="pedestrian tram rail_urban rail rail_electric rail_fast ship container cable_car subway aircraft wheelchair scooter drone">
+            <param key="origId" value="4588217"/>
+        </lane>
+    </edge>
+    <edge id="4588220#0" from="25662542" to="5148507741" name="Glinkastraße" priority="10" type="cycleway.lane|highway.tertiary" numLanes="3" speed="13.89" shape="920.32,1615.21 921.22,1604.32 921.41,1601.95 922.94,1583.40 923.67,1574.61">
+        <lane index="0" allow="pedestrian" width="3.00">
+            <param key="origId" value="4588220"/>
+        </lane>
+        <lane index="1" disallow="pedestrian tram rail_urban rail rail_electric rail_fast ship container cable_car subway aircraft wheelchair scooter drone">
+            <param key="origId" value="4588220"/>
+        </lane>
+        <lane index="2" disallow="pedestrian tram rail_urban rail rail_electric rail_fast ship container cable_car subway aircraft wheelchair scooter drone">
+            <param key="origId" value="4588220"/>
+        </lane>
+    </edge>
+</edges>
diff --git a/tests/netconvert/import/XML/connections/unconnected_all/input_plain.nod.xml b/tests/netconvert/import/XML/connections/unconnected_all/input_plain.nod.xml
new file mode 100644
index 000000000000..f95d41829592
--- /dev/null
+++ b/tests/netconvert/import/XML/connections/unconnected_all/input_plain.nod.xml
@@ -0,0 +1,44 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<!-- generated on 2024-12-20 10:11:06 by Eclipse SUMO netedit Version v1_21_0+1522-8cbae08792c
+<neteditConfiguration xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="http://sumo.dlr.de/xsd/neteditConfiguration.xsd">
+
+    <input>
+        <sumo-net-file value="osm.net.xml.gz"/>
+    </input>
+
+    <output>
+        <output.street-names value="true"/>
+    </output>
+
+    <processing>
+        <geometry.min-radius.fix.railways value="false"/>
+        <geometry.max-grade.fix value="false"/>
+        <offset.disable-normalization value="true"/>
+        <lefthand value="0"/>
+    </processing>
+
+    <junctions>
+        <no-internal-links value="false"/>
+        <no-turnarounds value="true"/>
+        <junctions.corner-detail value="5"/>
+        <junctions.limit-turn-speed value="5.50"/>
+        <rectangular-lane-cut value="0"/>
+    </junctions>
+
+    <pedestrian>
+        <walkingareas value="1"/>
+    </pedestrian>
+
+</neteditConfiguration>
+-->
+
+<nodes version="1.20" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="http://sumo.dlr.de/xsd/nodes_file.xsd">
+    <location netOffset="-389562.46,-5817979.56" convBoundary="888.83,1574.61,1026.57,1664.86" origBoundary="13.372213,52.501727,13.527402,52.569285" projParameter="+proj=utm +zone=33 +ellps=WGS84 +datum=WGS84 +units=m +no_defs"/>
+
+    <node id="2055804552" x="888.83" y="1612.33" type="dead_end"/>
+    <node id="25662542" x="920.32" y="1615.21" type="traffic_light" tl="GS_25662542" tlType="actuated"/>
+    <node id="2882465305" x="1026.57" y="1624.58" type="dead_end"/>
+    <node id="3327334153" x="915.61" y="1664.86" type="dead_end"/>
+    <node id="5148507741" x="923.67" y="1574.61" type="dead_end"/>
+</nodes>
diff --git a/tests/netconvert/import/XML/connections/unconnected_all/net.netconvert b/tests/netconvert/import/XML/connections/unconnected_all/net.netconvert
new file mode 100644
index 000000000000..3d44c21d120e
--- /dev/null
+++ b/tests/netconvert/import/XML/connections/unconnected_all/net.netconvert
@@ -0,0 +1,163 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<!-- generated on 2024-12-20 10:25:35 by Eclipse SUMO netconvert Version v1_21_0+1522-8cbae08792c
+This data file 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
+This file may also be made available under the following Secondary
+Licenses when the conditions for such availability set forth in the Eclipse
+Public License 2.0 are satisfied: GNU General Public License, version 2
+or later which is available at
+https://www.gnu.org/licenses/old-licenses/gpl-2.0-standalone.html
+SPDX-License-Identifier: EPL-2.0 OR GPL-2.0-or-later
+<netconvertConfiguration xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="http://sumo.dlr.de/xsd/netconvertConfiguration.xsd">
+
+    <input>
+        <node-files value="input_plain.nod.xml"/>
+        <edge-files value="input_plain.edg.xml"/>
+        <connection-files value="input_plain.con.xml"/>
+    </input>
+
+    <output>
+        <write-license value="true"/>
+        <output-file value="net.net.xml"/>
+        <output.street-names value="true"/>
+    </output>
+
+    <junctions>
+        <no-internal-links value="true"/>
+        <no-turnarounds value="true"/>
+    </junctions>
+
+    <report>
+        <xml-validation value="never"/>
+    </report>
+
+</netconvertConfiguration>
+-->
+
+<net version="1.20" junctionCornerDetail="5" limitTurnSpeed="5.50" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="http://sumo.dlr.de/xsd/net_file.xsd">
+
+    <location netOffset="-390451.29,-5819554.17" convBoundary="0.00,0.00,137.74,90.25" origBoundary="13.372213,52.501727,13.527402,52.569285" projParameter="+proj=utm +zone=33 +ellps=WGS84 +datum=WGS84 +units=m +no_defs"/>
+
+    <edge id="-326116286#2" from="25662542" to="3327334153" name="Glinkastraße" priority="12" type="cycleway.lane|highway.primary" shape="31.49,40.60 30.21,54.06 29.96,56.75 26.78,90.25">
+        <lane id="-326116286#2_0" index="0" allow="pedestrian" speed="13.89" length="49.87" width="3.00" shape="36.38,52.05 36.13,54.62 35.88,57.31 32.70,90.81">
+            <param key="origId" value="326116286"/>
+        </lane>
+        <lane id="-326116286#2_1" index="1" allow="bicycle" speed="13.89" length="49.87" width="1.25" shape="34.26,51.85 34.02,54.42 33.77,57.11 30.59,90.61">
+            <param key="origId" value="326116286"/>
+        </lane>
+        <lane id="-326116286#2_2" index="2" disallow="pedestrian bicycle tram rail_urban rail rail_electric rail_fast ship container cable_car subway aircraft wheelchair scooter drone" speed="13.89" length="49.87" shape="32.05,51.64 31.80,54.21 31.55,56.90 28.37,90.40">
+            <param key="origId" value="326116286"/>
+        </lane>
+        <param key="ref" value="B 2;B 5"/>
+    </edge>
+    <edge id="-4402014#2" from="2055804552" to="25662542" name="Behrenstraße" priority="12" type="highway.primary" shape="0.00,37.72 13.92,38.99 15.75,39.16 31.49,40.60">
+        <lane id="-4402014#2_0" index="0" allow="pedestrian" speed="8.33" length="31.62" width="3.00" shape="0.72,29.85 14.64,31.12 16.47,31.29 20.08,31.62">
+            <param key="origId" value="4402014"/>
+        </lane>
+        <lane id="-4402014#2_1" index="1" disallow="pedestrian tram rail_urban rail rail_electric rail_fast ship container cable_car subway aircraft wheelchair scooter drone" speed="8.33" length="31.62" shape="0.44,32.94 14.36,34.21 16.19,34.38 19.79,34.71">
+            <param key="origId" value="4402014"/>
+        </lane>
+        <lane id="-4402014#2_2" index="2" disallow="pedestrian tram rail_urban rail rail_electric rail_fast ship container cable_car subway aircraft wheelchair scooter drone" speed="8.33" length="31.62" shape="0.15,36.13 14.07,37.40 15.90,37.57 19.50,37.90">
+            <param key="origId" value="4402014"/>
+        </lane>
+        <param key="ref" value="B 2;B 5"/>
+    </edge>
+    <edge id="-4588217#5" from="25662542" to="2882465305" name="Behrenstraße" priority="3" type="highway.residential" shape="31.49,40.60 43.74,41.69 47.05,41.97 137.74,49.97">
+        <lane id="-4588217#5_0" index="0" allow="pedestrian" speed="8.33" length="106.66" width="2.00" shape="40.75,37.21 44.11,37.51 47.41,37.79 138.11,45.79">
+            <param key="origId" value="4588217"/>
+        </lane>
+        <lane id="-4588217#5_1" index="1" disallow="pedestrian tram rail_urban rail rail_electric rail_fast ship container cable_car subway aircraft wheelchair scooter drone" speed="8.33" length="106.66" shape="40.52,39.80 43.88,40.10 47.19,40.38 137.88,48.38">
+            <param key="origId" value="4588217"/>
+        </lane>
+    </edge>
+    <edge id="-4588220#2" from="5148507741" to="25662542" name="Glinkastraße" priority="10" type="cycleway.lane|highway.tertiary" shape="34.84,0.00 34.11,8.79 32.58,27.34 32.39,29.71 31.49,40.60">
+        <lane id="-4588220#2_0" index="0" allow="pedestrian" speed="13.89" length="40.74" width="3.00" shape="40.77,0.49 40.04,9.28 38.51,27.83 38.32,30.14">
+            <param key="origId" value="4588220"/>
+        </lane>
+        <lane id="-4588220#2_1" index="1" allow="bicycle" speed="13.89" length="40.74" width="1.25" shape="38.65,0.32 37.92,9.11 36.39,27.65 36.21,29.97">
+            <param key="origId" value="4588220"/>
+        </lane>
+        <lane id="-4588220#2_2" index="2" disallow="pedestrian bicycle tram rail_urban rail rail_electric rail_fast ship container cable_car subway aircraft wheelchair scooter drone" speed="13.89" length="40.74" shape="36.43,0.13 35.70,8.92 34.17,27.47 33.99,29.79">
+            <param key="origId" value="4588220"/>
+        </lane>
+    </edge>
+    <edge id="326116286#0" from="3327334153" to="25662542" name="Glinkastraße" priority="12" type="cycleway.lane|highway.primary" shape="26.78,90.25 29.96,56.75 30.21,54.06 31.49,40.60">
+        <lane id="326116286#0_0" index="0" allow="pedestrian" speed="13.89" length="49.87" width="3.00" shape="17.67,89.39 20.85,55.89 21.10,53.20 21.35,50.62">
+            <param key="origId" value="326116286"/>
+        </lane>
+        <lane id="326116286#0_1" index="1" allow="bicycle" speed="13.89" length="49.87" width="1.25" shape="19.79,89.59 22.97,56.09 23.22,53.40 23.46,50.82">
+            <param key="origId" value="326116286"/>
+        </lane>
+        <lane id="326116286#0_2" index="2" disallow="pedestrian bicycle tram rail_urban rail rail_electric rail_fast ship container cable_car subway aircraft wheelchair scooter drone" speed="13.89" length="49.87" shape="22.00,89.80 25.18,56.30 25.43,53.61 25.68,51.03">
+            <param key="origId" value="326116286"/>
+        </lane>
+        <lane id="326116286#0_3" index="3" disallow="pedestrian bicycle tram rail_urban rail rail_electric rail_fast ship container cable_car subway aircraft wheelchair scooter drone" speed="13.89" length="49.87" shape="25.19,90.10 28.37,56.60 28.62,53.91 28.86,51.34">
+            <param key="origId" value="326116286"/>
+        </lane>
+        <param key="ref" value="B 2;B 5"/>
+    </edge>
+    <edge id="4402014#0" from="25662542" to="2055804552" name="Behrenstraße" priority="12" type="highway.primary" shape="31.49,40.60 15.75,39.16 13.92,38.99 0.00,37.72">
+        <lane id="4402014#0_0" index="0" allow="pedestrian" speed="8.33" length="31.62" width="3.00" shape="18.64,47.36 15.03,47.03 13.20,46.86 -0.72,45.59">
+            <param key="origId" value="4402014"/>
+        </lane>
+        <lane id="4402014#0_1" index="1" disallow="pedestrian tram rail_urban rail rail_electric rail_fast ship container cable_car subway aircraft wheelchair scooter drone" speed="8.33" length="31.62" shape="18.92,44.27 15.31,43.94 13.48,43.77 -0.44,42.50">
+            <param key="origId" value="4402014"/>
+        </lane>
+        <lane id="4402014#0_2" index="2" disallow="pedestrian tram rail_urban rail rail_electric rail_fast ship container cable_car subway aircraft wheelchair scooter drone" speed="8.33" length="31.62" shape="19.21,41.08 15.60,40.75 13.77,40.58 -0.15,39.31">
+            <param key="origId" value="4402014"/>
+        </lane>
+        <param key="ref" value="B 2;B 5"/>
+    </edge>
+    <edge id="4588217#3" from="2882465305" to="25662542" name="Behrenstraße" priority="3" type="highway.residential" shape="137.74,49.97 47.05,41.97 43.74,41.69 31.49,40.60">
+        <lane id="4588217#3_0" index="0" allow="pedestrian" speed="8.33" length="106.66" width="2.00" shape="137.37,54.15 46.68,46.15 43.37,45.87 40.00,45.57">
+            <param key="origId" value="4588217"/>
+        </lane>
+        <lane id="4588217#3_1" index="1" disallow="pedestrian tram rail_urban rail rail_electric rail_fast ship container cable_car subway aircraft wheelchair scooter drone" speed="8.33" length="106.66" shape="137.60,51.56 46.91,43.56 43.60,43.28 40.23,42.98">
+            <param key="origId" value="4588217"/>
+        </lane>
+    </edge>
+    <edge id="4588220#0" from="25662542" to="5148507741" name="Glinkastraße" priority="10" type="cycleway.lane|highway.tertiary" shape="31.49,40.60 32.39,29.71 32.58,27.34 34.11,8.79 34.84,0.00">
+        <lane id="4588220#0_0" index="0" allow="pedestrian" speed="13.89" length="40.74" width="3.00" shape="24.52,29.00 24.71,26.69 26.24,8.14 26.97,-0.65">
+            <param key="origId" value="4588220"/>
+        </lane>
+        <lane id="4588220#0_1" index="1" disallow="pedestrian tram rail_urban rail rail_electric rail_fast ship container cable_car subway aircraft wheelchair scooter drone" speed="13.89" length="40.74" shape="27.61,29.26 27.80,26.95 29.33,8.39 30.06,-0.40">
+            <param key="origId" value="4588220"/>
+        </lane>
+        <lane id="4588220#0_2" index="2" disallow="pedestrian tram rail_urban rail rail_electric rail_fast ship container cable_car subway aircraft wheelchair scooter drone" speed="13.89" length="40.74" shape="30.80,29.52 30.99,27.21 32.52,8.66 33.25,-0.13">
+            <param key="origId" value="4588220"/>
+        </lane>
+    </edge>
+
+    <tlLogic id="GS_25662542" type="actuated" programID="0" offset="0">
+        <phase duration="42" state="rGGGGGG" minDur="5" maxDur="50"/>
+        <phase duration="3"  state="rGyyGGG"/>
+        <phase duration="42" state="GGrrGGG" minDur="5" maxDur="50"/>
+        <phase duration="3"  state="yGrrGGG"/>
+    </tlLogic>
+
+    <junction id="2055804552" type="dead_end" x="0.00" y="37.72" incLanes="4402014#0_0 4402014#0_1 4402014#0_2" intLanes="" shape="0.00,37.72 -0.85,47.08 0.00,37.72"/>
+    <junction id="25662542" type="traffic_light" x="31.49" y="40.60" incLanes="4588217#3_0 4588217#3_1 -4588220#2_0 -4588220#2_1 -4588220#2_2 -4402014#2_0 -4402014#2_1 -4402014#2_2 326116286#0_0 326116286#0_1 326116286#0_2 326116286#0_3" intLanes="" shape="39.91,46.57 40.83,36.21 40.06,35.50 39.84,34.67 39.72,33.53 39.72,32.08 39.82,30.27 23.03,28.88 22.66,29.71 22.26,29.95 21.72,30.11 21.04,30.16 20.21,30.13 18.50,48.85 19.31,49.09 19.59,49.33 19.77,49.64 19.85,50.02 19.85,50.48 37.87,52.19 38.34,49.01 38.66,47.91 39.02,47.14 39.44,46.69">
+        <request index="0" response="0000100" foes="0000100"/>
+        <request index="1" response="0000000" foes="0000000"/>
+        <request index="2" response="0000000" foes="0000001"/>
+        <request index="3" response="0000000" foes="0000000"/>
+        <request index="4" response="0000000" foes="0000000"/>
+        <request index="5" response="0000000" foes="0000000"/>
+        <request index="6" response="0000000" foes="0000000"/>
+    </junction>
+    <junction id="2882465305" type="dead_end" x="137.74" y="49.97" incLanes="-4588217#5_0 -4588217#5_1" intLanes="" shape="137.74,49.97 138.20,44.79 137.74,49.97"/>
+    <junction id="3327334153" type="dead_end" x="26.78" y="90.25" incLanes="-326116286#2_0 -326116286#2_1 -326116286#2_2" intLanes="" shape="26.78,90.25 34.20,90.95 26.78,90.25"/>
+    <junction id="5148507741" type="dead_end" x="34.84" y="0.00" incLanes="4588220#0_0 4588220#0_1 4588220#0_2" intLanes="" shape="34.84,-0.00 25.47,-0.78 34.84,0.00"/>
+
+    <connection from="-4588220#2" to="-4588217#5" fromLane="1" toLane="1" tl="GS_25662542" linkIndex="1" dir="r" state="O"/>
+    <connection from="-4588220#2" to="-326116286#2" fromLane="1" toLane="1" tl="GS_25662542" linkIndex="2" dir="s" state="O"/>
+    <connection from="-4588220#2" to="-326116286#2" fromLane="2" toLane="2" tl="GS_25662542" linkIndex="3" dir="s" state="O"/>
+    <connection from="326116286#0" to="4402014#0" fromLane="1" toLane="1" tl="GS_25662542" linkIndex="4" dir="r" state="O"/>
+    <connection from="326116286#0" to="4588220#0" fromLane="1" toLane="1" tl="GS_25662542" linkIndex="5" dir="s" state="O"/>
+    <connection from="326116286#0" to="4588220#0" fromLane="2" toLane="2" tl="GS_25662542" linkIndex="6" dir="s" state="O"/>
+    <connection from="4588217#3" to="-326116286#2" fromLane="1" toLane="1" tl="GS_25662542" linkIndex="0" dir="r" state="o"/>
+
+</net>
diff --git a/tests/netconvert/import/XML/connections/unconnected_all/options.netconvert b/tests/netconvert/import/XML/connections/unconnected_all/options.netconvert
new file mode 100644
index 000000000000..1a06b8ef27d9
--- /dev/null
+++ b/tests/netconvert/import/XML/connections/unconnected_all/options.netconvert
@@ -0,0 +1,4 @@
+-x input_plain.con.xml --node-files input_plain.nod.xml --edge-files input_plain.edg.xml --output
+net.net.xml --no-turnarounds --no-internal-links
+
+
diff --git a/tests/netconvert/import/XML/connections/unconnected_all/output.netconvert b/tests/netconvert/import/XML/connections/unconnected_all/output.netconvert
new file mode 100644
index 000000000000..a9d787cc55cb
--- /dev/null
+++ b/tests/netconvert/import/XML/connections/unconnected_all/output.netconvert
@@ -0,0 +1 @@
+Success.