From b5895cf02889ead75a2bd9e4dacee3f4f4780cd3 Mon Sep 17 00:00:00 2001
From: Sandro Santilli <strk@kbt.io>
Date: Sun, 22 Oct 2017 15:39:33 +0000
Subject: [PATCH] Add test for topology bug #1946

Previous commits fix #1946 too

git-svn-id: http://svn.osgeo.org/postgis/trunk@16039 b70326c6-7e19-0410-871a-916f4a2858ee
---
 topology/test/regress/topogeo_addpolygon.sql   | 18 ++++++++++++++++++
 .../test/regress/topogeo_addpolygon_expected   |  5 +++++
 2 files changed, 23 insertions(+)

diff --git a/topology/test/regress/topogeo_addpolygon.sql b/topology/test/regress/topogeo_addpolygon.sql
index 36bc0dd85..2ea5c7728 100644
--- a/topology/test/regress/topogeo_addpolygon.sql
+++ b/topology/test/regress/topogeo_addpolygon.sql
@@ -126,3 +126,21 @@ SELECT 't1855_0.1', topology.TopoGeo_addPolygon('bug1855',
           76.29001 9.90026,76.31988 9.89696))'
 ::geometry);
 SELECT 't1855_0.end', topology.DropTopology('bug1855');
+
+-- See https://trac.osgeo.org/postgis/ticket/1946
+SELECT 't1946.start', topology.CreateTopology('bug1946', 0, 0.00001) > 0;
+SELECT 't1946.0', topology.topogeo_AddPolygon('bug1946',
+'POLYGON((76.68554 30.74,76.68726 30.74248,
+          76.69223 30.74157,76.68554 30.74))'
+::geometry);
+SELECT 't1946.1', topology.topogeo_AddPolygon('bug1946',
+'POLYGON((76.68554 30.74,76.67933 30.75,
+          76.68727 30.74249,76.68727 30.74248,
+          76.68726 30.74248,76.68554 30.74))'
+::geometry);
+SELECT 't1946.2', topology.topogeo_AddPolygon('bug1946',
+'POLYGON((76.68728 30.74248,76.68727 30.74248,
+          76.68727 30.74249,76.67933 30.75,
+          76.69223 30.74157,76.68728 30.74248))'
+::geometry);
+SELECT 't1946.end', topology.DropTopology('bug1946');
diff --git a/topology/test/regress/topogeo_addpolygon_expected b/topology/test/regress/topogeo_addpolygon_expected
index 6523adfac..8da1efa54 100644
--- a/topology/test/regress/topogeo_addpolygon_expected
+++ b/topology/test/regress/topogeo_addpolygon_expected
@@ -57,3 +57,8 @@ t1855_0.start|t
 t1855_0.0|1
 t1855_0.1|2
 t1855_0.end|Topology 'bug1855' dropped
+t1946.start|t
+t1946.0|1
+t1946.1|2
+t1946.2|4
+t1946.end|Topology 'bug1946' dropped
-- 
2.40.0