1 files changed, 48 insertions, 0 deletions
diff --git a/test/platform/GraphicsBaseTest.cpp b/test/platform/GraphicsBaseTest.cpp
new file mode 100644
index 00000000..9e6007cf
--- /dev/null
+++ b/test/platform/GraphicsBaseTest.cpp
@@ -0,0 +1,48 @@
+#include "cru/platform/GraphicsBase.h"
+
+#include <catch2/catch_test_macros.hpp>
+
+using cru::platform::Rect;
+
+TEST_CASE("Rect IsIntersect", "[graphics][rect]") {
+  auto test = [](const Rect& left, const Rect& right, bool intersect) {
+    REQUIRE(left.IsIntersect(right) == intersect);
+    REQUIRE(right.IsIntersect(left) == intersect);
+  };
+
+  test({}, {}, false);
+  test({0.f, 0.f, 1.f, 1.f}, {}, false);
+
+  test({0.f, 0.f, 1.f, 1.f}, {-2.f, 0.f, 1.f, 1.f}, false);
+  test({0.f, 0.f, 1.f, 1.f}, {2.f, 0.25f, 1.f, 0.5f}, false);
+  test({0.f, 0.f, 1.f, 1.f}, {0.f, -2.f, 0.5f, 1.f}, false);
+  test({0.f, 0.f, 1.f, 1.f}, {0.f, 2.f, 0.5f, 1.f}, false);
+
+  test({0.f, 0.f, 1.f, 1.f}, {-1.f, -1.f, 3.f, 0.5f}, false);
+  test({0.f, 0.f, 1.f, 1.f}, {-1.f, -1.f, 3.f, 0.5f}, false);
+  test({0.f, 0.f, 1.f, 1.f}, {-1.f, -1.f, 0.5f, 3.f}, false);
+  test({0.f, 0.f, 1.f, 1.f}, {1.5f, -1.f, 0.5f, 3.f}, false);
+
+  test({0.f, 0.f, 1.f, 1.f}, {-0.5f, 0.25f, 1.f, 0.5f}, true);
+  test({0.f, 0.f, 1.f, 1.f}, {0.5f, 0.25f, 1.f, 0.5f}, true);
+  test({0.f, 0.f, 1.f, 1.f}, {0.25f, -0.5f, 0.5f, 1.f}, true);
+  test({0.f, 0.f, 1.f, 1.f}, {0.25f, 0.5f, 0.5f, 1.f}, true);
+
+  test({0.f, 0.f, 1.f, 1.f}, {-0.5f, -0.5f, 1.f, 1.f}, true);
+  test({0.f, 0.f, 1.f, 1.f}, {0.5f, -0.5f, 1.f, 1.f}, true);
+  test({0.f, 0.f, 1.f, 1.f}, {0.5f, 0.5f, 1.f, 1.f}, true);
+  test({0.f, 0.f, 1.f, 1.f}, {-0.5f, 0.5f, 1.f, 1.f}, true);
+}
+
+TEST_CASE("Rect Union", "[graphics][rect]") {
+  auto test = [](const Rect& left, const Rect& right, const Rect& result) {
+    REQUIRE(left.Union(right) == result);
+    REQUIRE(right.Union(left) == result);
+  };
+
+  test({}, {0.f, 0.f, 1.f, 1.f}, {0.f, 0.f, 1.f, 1.f});
+  test({0.f, 0.f, 1.f, 1.f}, {2.f, 2.f, 1.f, 1.f}, {0.f, 0.f, 3.f, 3.f});
+  test({2.f, 0.f, 1.f, 1.f}, {0.f, 2.f, 1.f, 1.f}, {0.f, 0.f, 3.f, 3.f});
+  test({0.f, 0.f, 1.f, 1.f}, {0.5f, 0.5f, 1.f, 1.f}, {0.f, 0.f, 1.5f, 1.5f});
+  test({0.5f, 0.f, 1.f, 1.f}, {0.f, 0.5f, 1.f, 1.f}, {0.f, 0.f, 1.5f, 1.5f});
+}