From db528c5188bdd9b720361f3e6ba756adb975a8e0 Mon Sep 17 00:00:00 2001
From: Sandro Santilli <strk@keybit.net>
Date: Wed, 24 Jun 2009 13:32:46 +0000
Subject: [PATCH] Add tests for parametrized buffer

git-svn-id: http://svn.osgeo.org/postgis/trunk@4206 b70326c6-7e19-0410-871a-916f4a2858ee
---
 regress/Makefile.in                    |  5 +++++
 regress/regress_buffer_params.sql      | 16 ++++++++++++++++
 regress/regress_buffer_params_expected |  8 ++++++++
 3 files changed, 29 insertions(+)
 create mode 100644 regress/regress_buffer_params.sql
 create mode 100644 regress/regress_buffer_params_expected

diff --git a/regress/Makefile.in b/regress/Makefile.in
index 60080404f..f548b8c44 100644
--- a/regress/Makefile.in
+++ b/regress/Makefile.in
@@ -62,6 +62,11 @@ ifeq ($(shell expr $(POSTGIS_GEOS_VERSION) ">=" 30),1)
 ifeq ($(shell expr $(POSTGIS_GEOS_VERSION) ">=" 31),1)
 	TESTS += regress_ogc_prep
 
+# Styled buffer only if GEOS >= 3.2
+ifeq ($(shell expr $(POSTGIS_GEOS_VERSION) ">=" 32),1)
+	TESTS += regress_buffer_params
+
+endif
 endif
 endif
 
diff --git a/regress/regress_buffer_params.sql b/regress/regress_buffer_params.sql
new file mode 100644
index 000000000..211d2dba3
--- /dev/null
+++ b/regress/regress_buffer_params.sql
@@ -0,0 +1,16 @@
+---
+--- Tests for ST_Buffer with parameters (needs GEOS-3.2 or higher)
+---
+---
+
+-- Ouput is snapped to grid to account for small floating numbers
+-- differences between architectures
+SELECT 'point quadsegs=2', astext(SnapToGrid(st_buffer('POINT(0 0)', 1, 'quad_segs=2'), 1.0e-6));
+SELECT 'line quadsegs=2', astext(SnapToGrid(st_buffer('LINESTRING(0 0, 10 0)', 2, 'quad_segs=2'), 1.0e-6));
+SELECT 'line quadsegs=2 endcap=flat', astext(SnapToGrid(st_buffer('LINESTRING(0 0, 10 0)', 2, 'quad_segs=2 endcap=flat'), 1.0e-6));
+SELECT 'line quadsegs=2 endcap=square', astext(SnapToGrid(st_buffer('LINESTRING(0 0, 10 0)', 2, 'quad_segs=2 endcap=square'), 1.0e-6));
+SELECT 'poly quadsegs=2 join=round', astext(SnapToGrid(st_buffer('POLYGON((0 0, 10 0, 10 10, 0 10, 0 0))', 2, 'quad_segs=2 join=round'), 1.0e-6));
+SELECT 'poly quadsegs=2 join=bevel', astext(SnapToGrid(st_buffer('POLYGON((0 0, 10 0, 10 10, 0 10, 0 0))', 2, 'quad_segs=2 join=bevel'), 1.0e-6));
+SELECT 'poly quadsegs=2 join=mitre', astext(SnapToGrid(st_buffer('POLYGON((0 0, 10 0, 10 10, 0 10, 0 0))', 2, 'quad_segs=2 join=mitre'), 1.0e-6));
+SELECT 'poly quadsegs=2 join=mitre mitre_limit=1', astext(SnapToGrid(st_buffer('POLYGON((0 0, 10 0, 10 10, 0 10, 0 0))', 2, 'quad_segs=2 join=mitre mitre_limit=1'), 1.0e-6));
+
diff --git a/regress/regress_buffer_params_expected b/regress/regress_buffer_params_expected
new file mode 100644
index 000000000..12129110d
--- /dev/null
+++ b/regress/regress_buffer_params_expected
@@ -0,0 +1,8 @@
+point quadsegs=2|POLYGON((1 0,0.707107 -0.707107,0 -1,-0.707107 -0.707107,-1 0,-0.707107 0.707107,0 1,0.707107 0.707107,1 0))
+line quadsegs=2|POLYGON((10 2,11.414214 1.414214,12 0,11.414214 -1.414214,10 -2,0 -2,-1.414214 -1.414214,-2 0,-1.414214 1.414214,0 2,10 2))
+line quadsegs=2 endcap=flat|POLYGON((10 2,10 -2,0 -2,0 2,10 2))
+line quadsegs=2 endcap=square|POLYGON((10 2,12 2,12 -2,0 -2,-2 -2,-2 2,10 2))
+poly quadsegs=2 join=round|POLYGON((-2 0,-2 10,-1.414214 11.414214,0 12,10 12,11.414214 11.414214,12 10,12 0,11.414214 -1.414214,10 -2,0 -2,-1.414214 -1.414214,-2 0))
+poly quadsegs=2 join=bevel|POLYGON((-2 0,-2 10,0 12,10 12,12 10,12 0,10 -2,0 -2,-2 0))
+poly quadsegs=2 join=mitre|POLYGON((-2 -2,-2 12,12 12,12 -2,-2 -2))
+poly quadsegs=2 join=mitre mitre_limit=1|POLYGON((-1.828427 -1,-1.828427 11,-1 11.828427,11 11.828427,11.828427 11,11.828427 -1,11 -1.828427,-1 -1.828427,-1.828427 -1))
-- 
2.50.1