From e759101a47365319886986ff97f6cb5cd17fda2d Mon Sep 17 00:00:00 2001
From: Daniel Evans <dan@devans.xyz>
Date: Thu, 23 May 2019 23:38:35 +0100
Subject: [PATCH] Provide tests for ViewCamera

---
 tests/CMakeLists.txt      |  1 +
 tests/main.cpp            |  2 +-
 tests/test_Globals.hpp    |  6 ++++++
 tests/test_ViewCamera.cpp | 26 ++++++++++++++++++++++++++
 4 files changed, 34 insertions(+), 1 deletion(-)
 create mode 100644 tests/test_ViewCamera.cpp

diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index 23438431..b2aae0a1 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -34,6 +34,7 @@ set(TESTS
     Text
     TrafficDirector
     Vehicle
+    ViewCamera
     VisualFX
     Weapon
     World
diff --git a/tests/main.cpp b/tests/main.cpp
index 07607815..a11ed160 100644
--- a/tests/main.cpp
+++ b/tests/main.cpp
@@ -3,6 +3,6 @@
 #include "test_Globals.hpp"
 
 std::ostream& operator<<(std::ostream& stream, const glm::vec3& v) {
-    stream << v.x << " " << v.y << " " << v.z;
+    stream << glm::to_string(v);
     return stream;
 }
diff --git a/tests/test_Globals.hpp b/tests/test_Globals.hpp
index 760e0680..bba2f939 100644
--- a/tests/test_Globals.hpp
+++ b/tests/test_Globals.hpp
@@ -45,6 +45,12 @@ struct print_log_value<glm::vec3> {
         s << glm::to_string(v);
     }
 };
+template <>
+struct print_log_value<glm::vec4> {
+    void operator()(std::ostream& s, glm::vec4 const& v) {
+        s << glm::to_string(v);
+    }
+};
 BOOST_NS_MAGIC_CLOSING
 }
 }
diff --git a/tests/test_ViewCamera.cpp b/tests/test_ViewCamera.cpp
new file mode 100644
index 00000000..056f411b
--- /dev/null
+++ b/tests/test_ViewCamera.cpp
@@ -0,0 +1,26 @@
+#include <boost/test/unit_test.hpp>
+#include "test_Globals.hpp"
+#include <render/ViewCamera.hpp>
+
+namespace {
+
+struct CameraFixture {
+    ViewCamera camera_ {
+        {1.f, 2.f, 3.f}
+    };
+};
+}
+
+BOOST_AUTO_TEST_SUITE(ViewCameraTests)
+
+BOOST_FIXTURE_TEST_CASE(test_creation, CameraFixture) {
+    BOOST_CHECK_EQUAL(camera_.position, glm::vec3(1.f, 2.f, 3.f));
+}
+
+BOOST_FIXTURE_TEST_CASE(test_view_matrix, CameraFixture) {
+    const auto& view = camera_.getView();
+    BOOST_CHECK_EQUAL(view[3], glm::vec4(2.f, -3.f, 1.f, 1.f));
+}
+
+
+BOOST_AUTO_TEST_SUITE_END()