Added tests.

src/test/java/eu/simstadt/regionchooser/RegionExtractorTests.java

@@ -179,6 +179,15 @@ void testExtractBuildingsAndTrees() throws Throwable {
 		assertEquals(4, countRegexMatches(gmlWithSomeBuildingAndTrees, "<bldg:Building gml:id"));
 		assertEquals(1, countRegexMatches(gmlWithSomeBuildingAndTrees, "<veg:PlantCover gml:id"));
 		assertEquals(3, countRegexMatches(gmlWithSomeBuildingAndTrees, "<veg:SolitaryVegetationObject gml:id"));
+
+		assertFalse(gmlWithSomeBuildingAndTrees.contains("DEBY_LOD2_605230"),
+				"Building in another corner should not be included");
+		assertFalse(gmlWithSomeBuildingAndTrees.contains("e15722a4-42dd"),
+				"Building in another corner should not be included");
+
+		assertTrue(gmlWithSomeBuildingAndTrees.contains("9801a0c9-d792-4b64-9ea1-76d829cc42ea"),
+				"Tree in corner should be included");
+		assertTrue(gmlWithSomeBuildingAndTrees.contains("DEBY_LOD2_605227"), "Building in corner should be included");
 	}
 
 	@Test