[geos-commits] r3151 - in trunk/tests/unit: . capi

[svn_geos at osgeo.org]

Author: strk
Date: 2010-12-03 00:36:38 -0800 (Fri, 03 Dec 2010)
New Revision: 3151

Added:
   trunk/tests/unit/capi/GEOSSharedPathsTest.cpp
Modified:
   trunk/tests/unit/Makefile.am
Log:
Add test for GEOSSharedPaths C-API interface


Modified: trunk/tests/unit/Makefile.am
===================================================================
--- trunk/tests/unit/Makefile.am	2010-12-02 18:06:38 UTC (rev 3150)
+++ trunk/tests/unit/Makefile.am	2010-12-03 08:36:38 UTC (rev 3151)
@@ -100,7 +100,8 @@
 	capi/GEOSGeom_extractUniquePointsTest.cpp \
 	capi/GEOSOrientationIndex.cpp \
 	capi/GEOSLineString_PointTest.cpp \
-	capi/GEOSSnapTest.cpp
+	capi/GEOSSnapTest.cpp \
+	capi/GEOSSharedPathsTest.cpp
 
 noinst_HEADERS = \
 	utility.h

Added: trunk/tests/unit/capi/GEOSSharedPathsTest.cpp
===================================================================
--- trunk/tests/unit/capi/GEOSSharedPathsTest.cpp	                        (rev 0)
+++ trunk/tests/unit/capi/GEOSSharedPathsTest.cpp	2010-12-03 08:36:38 UTC (rev 3151)
@@ -0,0 +1,123 @@
+// 
+// Test Suite for C-API GEOSSharedPaths
+
+#include <tut.hpp>
+// geos
+#include <geos_c.h>
+// std
+#include <cstdarg>
+#include <cstdio>
+#include <cstdlib>
+#include <memory>
+
+namespace tut
+{
+    //
+    // Test Group
+    //
+
+    // Common data used in test cases.
+    struct test_capigeossharedpaths_data
+    {
+        GEOSGeometry* geom1_;
+        GEOSGeometry* geom2_;
+        GEOSGeometry* geom3_;
+        GEOSWKTWriter* w_;
+
+        static void notice(const char *fmt, ...)
+        {
+            std::fprintf( stdout, "NOTICE: ");
+
+            va_list ap;
+            va_start(ap, fmt);
+            std::vfprintf(stdout, fmt, ap);
+            va_end(ap);
+        
+            std::fprintf(stdout, "\n");
+        }
+
+        test_capigeossharedpaths_data()
+            : geom1_(0), geom2_(0), geom3_(0), w_(0)
+        {
+            initGEOS(notice, notice);
+            w_ = GEOSWKTWriter_create();
+            GEOSWKTWriter_setTrim(w_, 1);
+        }       
+
+        ~test_capigeossharedpaths_data()
+        {
+            GEOSGeom_destroy(geom1_);
+            GEOSGeom_destroy(geom2_);
+            GEOSGeom_destroy(geom3_);
+            GEOSWKTWriter_destroy(w_);
+            geom1_ = 0;
+            geom2_ = 0;
+            geom3_ = 0;
+            finishGEOS();
+        }
+
+    };
+
+    typedef test_group<test_capigeossharedpaths_data> group;
+    typedef group::object object;
+
+    group test_capigeossharedpaths_group("capi::GEOSSharedPaths");
+
+    //
+    // Test Cases
+    //
+
+    /// Illegal case (point-poly)
+    template<>
+    template<>
+    void object::test<1>()
+    {
+        geom1_ = GEOSGeomFromWKT("POLYGON ((0 0, 10 0, 10 10, 0 10, 0 0))");
+        geom2_ = GEOSGeomFromWKT("POINT(0.5 0)");
+        geom3_ = GEOSSharedPaths(geom1_, geom2_);
+
+        ensure(!geom3_);
+    }
+
+    /// Line to line sharing 
+    template<>
+    template<>
+    void object::test<2>()
+    {
+        geom1_ = GEOSGeomFromWKT("LINESTRING (-30 -20, 50 60, 50 70, 50 0)");
+        geom2_ = GEOSGeomFromWKT("LINESTRING (-29 -20, 50 60, 50 70, 51 0)");
+        geom3_ = GEOSSharedPaths(geom1_, geom2_);
+
+        char* wkt_c = GEOSWKTWriter_write(w_, geom3_);
+        std::string out(wkt_c); 
+        free(wkt_c);
+
+        ensure_equals(out, 
+"GEOMETRYCOLLECTION (MULTILINESTRING ((50 60, 50 70)), MULTILINESTRING EMPTY)"
+        );
+    }
+
+    /// http://trac.osgeo.org/postgis/ticket/670#comment:3
+    template<>
+    template<>
+    void object::test<3>()
+    {
+        // NOTE: in ticket #670 both geoms were in SRID=4326
+
+        geom1_ = GEOSGeomFromWKT(
+"POINT(-11.1111111 40)"
+        );
+        geom2_ = GEOSGeomFromWKT(
+"POLYGON((-8.1111111 60,-8.16875525879031 59.4147290339516,-8.33947250246614 58.8519497029047,-8.61670226309236 58.3332893009412,-8.98979075644036 57.8786796564404,-9.44440040094119 57.5055911630924,-9.96306080290473 57.2283614024661,-10.5258401339516 57.0576441587903,-11.1111111 57,-11.6963820660484 57.0576441587903,-12.2591613970953 57.2283614024661,-12.7778217990588 57.5055911630924,-13.2324314435596 57.8786796564404,-13.6055199369076 58.3332893009412,-13.8827496975339 58.8519497029047,-14.0534669412097 59.4147290339516,-14.1111111 60,-14.0534669412097 60.5852709660484,-13.8827496975339 61.1480502970953,-13.6055199369076 61.6667106990588,-13.2324314435597 62.1213203435596,-12.7778217990588 62.4944088369076,-12.2591613970953 62.7716385975339,-11.6963820660484 62.9423558412097,-11.1111111 63,-10.5258401339516 62.9423558412097,-9.96306080290474 62.7716385975339,-9.4444004009412 62.4944088369076,-8.98979075644036 62.1213203435596,-8.61670226309237 61.6667106990588,-8.33947250
 246614 61.1480502970953,-8.16875525879031 60.5852709660484,-8.1111111 60))"
+        );
+
+        ensure(geom1_);
+        ensure(geom2_);
+
+        geom3_ = GEOSSharedPaths(geom1_, geom2_);
+
+        ensure(!geom3_);
+    }
+
+} // namespace tut
+