[geos-commits] r4177 - trunk/tests/unit/geom/Geometry

[svn_geos at osgeo.org]

Author: mloskot
Date: 2016-03-11 22:49:53 -0800 (Fri, 11 Mar 2016)
New Revision: 4177

Added:
   trunk/tests/unit/geom/Geometry/touchesTest.cpp
Log:
Add test for Geometry::touches

Added: trunk/tests/unit/geom/Geometry/touchesTest.cpp
===================================================================
--- trunk/tests/unit/geom/Geometry/touchesTest.cpp	                        (rev 0)
+++ trunk/tests/unit/geom/Geometry/touchesTest.cpp	2016-03-12 06:49:53 UTC (rev 4177)
@@ -0,0 +1,111 @@
+//
+// Test Suite for Geometry's touches() functions
+
+// tut
+#include <tut.hpp>
+// geos
+#include <geos/geom/GeometryFactory.h>
+#include <geos/geom/Geometry.h>
+#include <geos/io/WKTReader.h>
+// std
+#include <memory>
+#include <string>
+
+namespace tut {
+
+//
+// Test Group
+//
+
+struct test_touches_data
+{
+    typedef std::auto_ptr<geos::geom::Geometry> GeomAutoPtr;
+    typedef geos::geom::GeometryFactory GeometryFactory;
+
+    geos::geom::GeometryFactory::unique_ptr factory;
+    geos::io::WKTReader reader;
+
+    test_touches_data()
+        : factory(GeometryFactory::create())
+        , reader(factory.get())
+    {}
+};
+
+typedef test_group<test_touches_data> group;
+typedef group::object object;
+
+group test_touches_data("geos::geom::Geometry::touches");
+
+//
+// Test Cases
+//
+
+// 1 - Point/Point do not touch
+template<>
+template<>
+void object::test<1>()
+{
+    GeomAutoPtr g1(reader.read(
+        "POINT (0 0)"
+        ));
+
+    GeomAutoPtr g2(reader.read(
+        "POINT (0 0)"
+        ));
+
+    ensure(!g1->touches(g2.get()));
+    ensure(!g2->touches(g1.get()));
+}
+
+// 2 - Line/Point do not touch if point is not on boundary
+template<>
+template<>
+void object::test<2>()
+{
+    GeomAutoPtr g1(reader.read(
+        "LINESTRING(0 0, 1 1, 0 2)"
+        ));
+
+    GeomAutoPtr g2(reader.read(
+        "POINT (1 1)"
+        ));
+
+    ensure(!g1->touches(g2.get()));
+    ensure(!g2->touches(g1.get()));
+}
+
+// 3 - Line/Point touch
+template<>
+template<>
+void object::test<3>()
+{
+    GeomAutoPtr g1(reader.read(
+        "LINESTRING(0 0, 1 1, 0 2)"
+        ));
+
+    GeomAutoPtr g2(reader.read(
+        "POINT (0 2)"
+        ));
+
+    ensure(g1->touches(g2.get()));
+    ensure(g2->touches(g1.get()));
+}
+
+// 4 - Line/Point touch (FP coordinates)
+template<>
+template<>
+void object::test<4>()
+{
+    GeomAutoPtr g1(reader.read(
+        "LINESTRING (-612844.96290006 279079.117329031,-257704.820935236 574364.179187424)"
+        ));
+
+    GeomAutoPtr g2(reader.read(
+        "POINT (-257704.820935236 574364.179187424)"
+        ));
+
+    ensure(g1->touches(g2.get()));
+    ensure(g2->touches(g1.get()));
+}
+
+} // namespace tut