[geos-commits] r4144 - trunk/tests/unit/capi

[svn_geos at osgeo.org]

Author: mloskot
Date: 2016-02-17 02:52:55 -0800 (Wed, 17 Feb 2016)
New Revision: 4144

Added:
   trunk/tests/unit/capi/GEOSGeom_createCollection.cpp
Log:
Add test for GEOSGeom_createCollection function

Added: trunk/tests/unit/capi/GEOSGeom_createCollection.cpp
===================================================================
--- trunk/tests/unit/capi/GEOSGeom_createCollection.cpp	                        (rev 0)
+++ trunk/tests/unit/capi/GEOSGeom_createCollection.cpp	2016-02-17 10:52:55 UTC (rev 4144)
@@ -0,0 +1,110 @@
+// 
+// Test Suite for C-API GEOSGeom_createCollection
+
+#include <tut.hpp>
+// geos
+#include <geos_c.h>
+// std
+#include <array>
+#include <cstdarg>
+#include <cstdio>
+#include <cstdlib>
+#include <memory>
+#include <string>
+#include <vector>
+
+namespace tut
+{
+    //
+    // Test Group
+    //
+
+    // Common data used in test cases.
+    struct test_capigeosgeom_createcollection_data
+    {
+        GEOSContextHandle_t handle_;
+        GEOSGeom geom_; // collection result
+        enum { geom_size = 3 };
+
+        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_capigeosgeom_createcollection_data()
+            : geom_(0), handle_(initGEOS_r(notice, notice))
+        {
+        }
+
+        ~test_capigeosgeom_createcollection_data()
+        {
+            GEOSGeom_destroy(geom_); geom_ = 0;
+            finishGEOS_r(handle_);
+        }
+    };
+
+    typedef test_group<test_capigeosgeom_createcollection_data> group;
+    typedef group::object object;
+
+    group test_capigeosgeom_createcollection_group("capi::GEOSGeom_createCollection");
+
+    //
+    // Test Cases
+    //
+
+    // Create collection from constant length C-array
+    template<>
+    template<>
+    void object::test<1>()
+    {
+        GEOSGeom geoms[geom_size];
+        geoms[0] = GEOSGeom_createEmptyPoint_r(handle_);
+        geoms[1] = GEOSGeom_createEmptyPoint_r(handle_);
+        geoms[2] = GEOSGeom_createEmptyPoint_r(handle_);
+        // takes ownership of individual geometries
+        geom_ = GEOSGeom_createCollection_r(handle_, GEOS_MULTIPOINT, geoms, geom_size);
+        ensure_equals(GEOSGetNumGeometries_r(handle_, geom_), geom_size);
+    }
+
+    // Create collection from constant length std::array
+    template<>
+    template<>
+    void object::test<2>()
+    {
+        std::array<GEOSGeom, geom_size> geoms = {
+        GEOSGeom_createEmptyPoint_r(handle_),
+        GEOSGeom_createEmptyPoint_r(handle_),
+        GEOSGeom_createEmptyPoint_r(handle_)
+        };
+        // takes ownership of individual geometries
+        geom_ = GEOSGeom_createCollection_r(handle_, GEOS_MULTIPOINT,
+            geoms.data(), static_cast<int>(geoms.size()));
+        ensure_equals(GEOSGetNumGeometries_r(handle_, geom_), geom_size);
+    }
+
+    // Create collection from dynamic length std::vector of geometries
+    template<>
+    template<>
+    void object::test<3>()
+    {
+        std::vector<GEOSGeom> geoms;
+        geoms.push_back(GEOSGeom_createEmptyPoint_r(handle_));
+        geoms.push_back(GEOSGeom_createEmptyPoint_r(handle_));
+        geoms.push_back(GEOSGeom_createEmptyPoint_r(handle_));
+        geoms.push_back(GEOSGeom_createEmptyPoint_r(handle_));
+        geoms.push_back(GEOSGeom_createEmptyPoint_r(handle_));
+        // takes ownership of individual geometries
+        geom_ = GEOSGeom_createCollection_r(handle_, GEOS_MULTIPOINT,
+            geoms.data(), static_cast<int>(geoms.size()));
+        ensure_equals(GEOSGetNumGeometries_r(handle_, geom_), geoms.size());
+    }
+
+} // namespace tut
+