Separate geographic data (GeoData) from its visual representation(s) (Terrain)

2 files changed, 72 insertions, 0 deletions

diff --git a/test/Jamfile.jam b/test/Jamfile.jam
index e487044..4f5b920 100644
--- a/test/Jamfile.jam
+++ b/test/Jamfile.jam
@@ -23,6 +23,7 @@ run test-collection.cpp ;
 run test-obj.cpp ;
 run test-maths.cpp ;
 run test-lib.cpp ;
+run test-geo.cpp ;
 run test-network.cpp ;
 run test-persistence.cpp : -- : [ sequence.insertion-sort [ glob fixtures/json/*.json fixtures/json/bad/*.json ] ] ;
 run test-text.cpp ;
diff --git a/test/test-geo.cpp b/test/test-geo.cpp
new file mode 100644
index 0000000..b6f276a
--- /dev/null
+++ b/test/test-geo.cpp
@@ -0,0 +1,71 @@
+#define BOOST_TEST_MODULE test_geo
+
+#include "test-helpers.hpp"
+#include <boost/test/data/test_case.hpp>
+#include <boost/test/unit_test.hpp>
+#include <stream_support.hpp>
+
+#include <game/geoData.h>
+
+struct TestGeoData : public GeoData {
+	TestGeoData() : GeoData {{{-10, -5}, {30, 40}}, 5.F} { }
+};
+
+BOOST_FIXTURE_TEST_CASE(initialize, TestGeoData)
+{
+	BOOST_CHECK_EQUAL(limit.first, glm::ivec2(-10, -5));
+	BOOST_CHECK_EQUAL(limit.second, glm::ivec2(30, 40));
+	BOOST_CHECK_EQUAL(scale, 5.F);
+	BOOST_CHECK_EQUAL(size, glm::uvec2(41, 46));
+	BOOST_CHECK_EQUAL(nodes.size(), 1886);
+	BOOST_CHECK(std::all_of(nodes.begin(), nodes.end(), [](const auto & n) {
+		return n.height == -1.5F;
+	}));
+}
+
+BOOST_FIXTURE_TEST_CASE(coords, TestGeoData)
+{
+	BOOST_CHECK_EQUAL(at(-10, -5), 0);
+	BOOST_CHECK_EQUAL(at(-9, -5), 1);
+	BOOST_CHECK_EQUAL(at(0, -5), 10);
+	BOOST_CHECK_EQUAL(at(30, -5), 40);
+	BOOST_CHECK_EQUAL(at(30, 40), 1885);
+}
+
+BOOST_FIXTURE_TEST_CASE(coords_bad, TestGeoData)
+{
+	BOOST_CHECK_THROW(std::ignore = at(-11, -5), std::range_error);
+	BOOST_CHECK_THROW(std::ignore = at(-10, -6), std::range_error);
+	BOOST_CHECK_THROW(std::ignore = at(-11, -6), std::range_error);
+	BOOST_CHECK_THROW(std::ignore = at(31, 40), std::range_error);
+	BOOST_CHECK_THROW(std::ignore = at(30, 41), std::range_error);
+	BOOST_CHECK_THROW(std::ignore = at(31, 41), std::range_error);
+}
+
+BOOST_FIXTURE_TEST_CASE(gen_random, TestGeoData)
+{
+	// Can only really its sanity
+	generateRandom();
+	// Some terrain above sea level
+	BOOST_CHECK(std::any_of(nodes.begin(), nodes.end(), [](const auto & n) {
+		return n.height > 0;
+	}));
+	// Still an island
+	for (int x = limit.first.x; x <= limit.second.x; x += 1) {
+		BOOST_CHECK_EQUAL(nodes[at(x, limit.first.y)].height, -1.5F);
+		BOOST_CHECK_EQUAL(nodes[at(x, limit.second.y)].height, -1.5F);
+	}
+	for (int y = limit.first.y; y <= limit.second.y; y += 1) {
+		BOOST_CHECK_EQUAL(nodes[at(limit.first.x, y)].height, -1.5F);
+		BOOST_CHECK_EQUAL(nodes[at(limit.second.x, y)].height, -1.5F);
+	}
+}
+
+BOOST_FIXTURE_TEST_CASE(load_uk_heightmap, TestGeoData)
+{
+	loadFromImages(FIXTURESDIR "/height/V0txo.jpg", 100.F);
+	// Some terrain above sea level
+	BOOST_CHECK(std::any_of(nodes.begin(), nodes.end(), [](const auto & n) {
+		return n.height > 0;
+	}));
+}