1 files changed, 49 insertions, 0 deletions
diff --git a/test/util/position.test.cpp b/test/util/position.test.cpp
new file mode 100644
index 0000000000..938a08dded
--- /dev/null
+++ b/test/util/position.test.cpp
@@ -0,0 +1,49 @@
+#include <mbgl/test/util.hpp>
+
+#include <mbgl/style/types.hpp>
+#include <mbgl/style/position.hpp>
+#include <mbgl/util/constants.hpp>
+
+using namespace mbgl;
+using namespace style;
+
+void expectArrayEQ(std::array<float, 3> got, std::array<float, 3> expected) {
+    for (int i = 0; i < 3; i++) {
+        EXPECT_NEAR(got[i], expected[i], 0.00001);
+    }
+};
+
+void expectArrayNE(std::array<float, 3> got, std::array<float, 3> expected) {
+    short eq = 0;
+    for (int i = 0; i < 3; i++) {
+        if (got[i] == expected[i]) {
+            eq++;
+        }
+    }
+    EXPECT_NE(eq, 3);
+};
+
+Position createPosition(std::array<float, 3> pos) {
+    return Position(pos);
+}
+
+TEST(Position, Calculations) {
+    std::array<float, 3> spherical{{ 2, 10, 270 }};
+
+    Position position(spherical);
+
+    expectArrayNE(position.getCartesian(), spherical);
+    expectArrayEQ(position.getSpherical(), spherical);
+
+    expectArrayEQ(position.getCartesian(), {{ 0.34729638695716858, -1.9696154594421387, 2.384976127700611e-08 }});
+
+    expectArrayNE(createPosition({{ 2, 30, 10 }}).getSpherical(), createPosition({{ 2, 30, 370 }}).getSpherical());
+    expectArrayEQ(createPosition({{ 2, 30, 10 }}).getCartesian(), createPosition({{ 2, 30, 370 }}).getCartesian());
+
+    std::array<float, 3> newSpherical = {{ 1, 80, 270 }};
+    position.set(newSpherical);
+
+    expectArrayNE(position.getSpherical(), spherical);
+    expectArrayNE(position.getCartesian(), {{ 0.34729638695716858, -1.9696154594421387, 2.384976127700611e-08 }});
+    expectArrayEQ(position.getCartesian(), {{ 0.98480772972106934, -0.17364829778671265, 1.1924880638503055e-08 }});
+}