From 34a64e6ffefaab007578932ddbab931a25f1d56e Mon Sep 17 00:00:00 2001
From: crupest <crupest@outlook.com>
Date: Sun, 15 May 2022 14:15:31 +0800
Subject: ...

---
 test/platform/graphics/direct2d/CMakeLists.txt  |  6 +++++
 test/platform/graphics/direct2d/ConvertTest.cpp | 31 +++++++++++++++++++++++++
 2 files changed, 37 insertions(+)
 create mode 100644 test/platform/graphics/direct2d/CMakeLists.txt
 create mode 100644 test/platform/graphics/direct2d/ConvertTest.cpp

(limited to 'test/platform/graphics/direct2d')

diff --git a/test/platform/graphics/direct2d/CMakeLists.txt b/test/platform/graphics/direct2d/CMakeLists.txt
new file mode 100644
index 00000000..66a07d15
--- /dev/null
+++ b/test/platform/graphics/direct2d/CMakeLists.txt
@@ -0,0 +1,6 @@
+add_executable(CruPlatformGraphicsDirect2dTest
+	ConvertTest.cpp
+)
+target_link_libraries(CruPlatformGraphicsDirect2dTest PRIVATE CruPlatformGraphicsDirect2d CruTestBase)
+
+catch_discover_tests(CruPlatformGraphicsDirect2dTest)
diff --git a/test/platform/graphics/direct2d/ConvertTest.cpp b/test/platform/graphics/direct2d/ConvertTest.cpp
new file mode 100644
index 00000000..c30bb6a5
--- /dev/null
+++ b/test/platform/graphics/direct2d/ConvertTest.cpp
@@ -0,0 +1,31 @@
+#include "cru/platform/Matrix.h"
+#include "cru/platform/graphics/direct2d/ConvertUtil.h"
+
+#include <catch2/catch_test_macros.hpp>
+#include "catch2/catch_approx.hpp"
+
+using Catch::Approx;
+using cru::platform::Matrix;
+using cru::platform::graphics::direct2d::Convert;
+
+TEST_CASE("MatrixConvert Rotation", "[matrix]") {
+  auto matrix = Convert(Matrix::Rotation(90));
+
+  auto m = *D2D1::Matrix3x2F::ReinterpretBaseType(&matrix);
+
+  auto p = m.TransformPoint({1, 1});
+
+  REQUIRE(p.x == Approx(-1));
+  REQUIRE(p.y == Approx(1));
+}
+
+TEST_CASE("MatrixConvert RotationAndTranslation", "[matrix]") {
+  auto matrix = Convert(Matrix::Rotation(90) * Matrix::Translation(1, 1));
+
+  auto m = *D2D1::Matrix3x2F::ReinterpretBaseType(&matrix);
+
+  auto p = m.TransformPoint({1, 1});
+
+  REQUIRE(p.x == Approx(0));
+  REQUIRE(p.y == Approx(2));
+}
-- 
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