Add simple region overlap testcase

test/Makefile.am

@@ -18,6 +18,7 @@ TEST_BIN = 		\
 	matrix 		\
 	pool		\
 	range 		\
+	region		\
 	signal		\
 	version
 
@@ -56,6 +57,9 @@ pool_SOURCES	   = pool.cpp
 range_LDADD        = $(builddir)/../libutil.la
 range_SOURCES 	   = range.cpp
 
+region_LDADD       = $(builddir)/../libutil.la
+region_SOURCES     = region.cpp
+
 signal_LDADD	   = $(builddir)/../libutil.la
 signal_SOURCES     = signal.cpp
 

test/region.cpp

@@ -0,0 +1,15 @@
+#include "../region.hpp"
+
+using util::region;
+
+int
+main (int, char **) {
+    {
+         region<double> a (32.7, -6.09703, 0.8, 2);
+         region<double> b (33.5, -4.5,     0.5, 0.5);
+
+         check_hard (!a.overlaps (b));
+    }
+
+    return 0;
+}