Have the original lighting system back and a little lightbulb model to show where the light is.

33-shadow-mapping/tests/model_tests.cpp

@@ -0,0 +1,42 @@
+#include <deque>
+#include <string>
+#include <fuc2/testing.hpp>
+#include "model.hpp"
+#include "shader.hpp"
+
+using namespace fuc2;
+
+/*
+ * This also tests Mesh by using Model to load them.
+ */
+namespace model_tests {
+  void test_load_textures() {
+    Shader shader({"shaders/14-vert.glsl", "shaders/14-frag.glsl", ""});
+
+    Model popcorn{"assets", "popcorn_model_a.glb"};
+    popcorn.draw(shader, true);
+
+    Model crate_glb{"assets", "crate.glb"};
+    crate_glb.draw(shader, true);
+
+    Model crate_obj{"assets", "crate.obj"};
+    crate_obj.draw(shader, true);
+  }
+
+  void test_failures() {
+    auto runner = [&]() {
+      Model bad_obj{"assets", "does_not_exist.obj"};
+    };
+
+    BLOWS_UP(runner, "should fail on missing file.");
+  }
+
+  fuc2::Set TESTS{
+    .name="models",
+      .options={ .fail_fast=false },
+      .tests={
+        TEST(test_load_textures),
+        TEST(test_failures),
+      }
+  };
+}