[general] moving ios and android project under ./platform folder

test/util/rotation.test.cpp

@@ -0,0 +1,23 @@
+#include <mbgl/test/util.hpp>
+
+#include <mbgl/style/rotation.hpp>
+#include <mbgl/style/types.hpp>
+#include <mbgl/util/constants.hpp>
+#include <mbgl/util/interpolate.hpp>
+
+using namespace mbgl;
+using namespace style;
+
+Rotation createRotation(double angle) {
+    return Rotation(angle);
+}
+
+TEST(Rotation, Calculations) {
+    Rotation rot(42);
+    EXPECT_EQ(rot, Rotation(42 + 360));
+    Rotation rot2(-42);
+    EXPECT_EQ(rot2, Rotation(360 - 42));
+
+    mbgl::util::Interpolator<mbgl::style::Rotation> i;
+    EXPECT_NEAR(i(rot, rot2, 0.5).getAngle(), 0.0, 0.00001);
+}