1 files changed, 57 insertions, 0 deletions
diff --git a/tests/test_macros.h b/tests/test_macros.h
index e4494ce11a..45ba8581dd 100644
--- a/tests/test_macros.h
+++ b/tests/test_macros.h
@@ -47,4 +47,61 @@
 #define ERR_PRINT_OFF _print_error_enabled = false;
 #define ERR_PRINT_ON _print_error_enabled = true;
 
+// Stringify all `Variant` compatible types for doctest output by default.
+// https://github.com/onqtam/doctest/blob/master/doc/markdown/stringification.md
+
+#define DOCTEST_STRINGIFY_VARIANT(m_type)                        \
+	template <>                                                  \
+	struct doctest::StringMaker<m_type> {                        \
+		static doctest::String convert(const m_type &p_val) {    \
+			const Variant val = p_val;                           \
+			return val.get_construct_string().utf8().get_data(); \
+		}                                                        \
+	};
+
+#define DOCTEST_STRINGIFY_VARIANT_POINTER(m_type)                \
+	template <>                                                  \
+	struct doctest::StringMaker<m_type> {                        \
+		static doctest::String convert(const m_type *p_val) {    \
+			const Variant val = p_val;                           \
+			return val.get_construct_string().utf8().get_data(); \
+		}                                                        \
+	};
+
+DOCTEST_STRINGIFY_VARIANT(Variant);
+DOCTEST_STRINGIFY_VARIANT(::String); // Disambiguate from `doctest::String`.
+
+DOCTEST_STRINGIFY_VARIANT(Vector2);
+DOCTEST_STRINGIFY_VARIANT(Vector2i);
+DOCTEST_STRINGIFY_VARIANT(Rect2);
+DOCTEST_STRINGIFY_VARIANT(Rect2i);
+DOCTEST_STRINGIFY_VARIANT(Vector3);
+DOCTEST_STRINGIFY_VARIANT(Vector3i);
+DOCTEST_STRINGIFY_VARIANT(Transform2D);
+DOCTEST_STRINGIFY_VARIANT(Plane);
+DOCTEST_STRINGIFY_VARIANT(Quat);
+DOCTEST_STRINGIFY_VARIANT(AABB);
+DOCTEST_STRINGIFY_VARIANT(Basis);
+DOCTEST_STRINGIFY_VARIANT(Transform);
+
+DOCTEST_STRINGIFY_VARIANT(::Color); // Disambiguate from `doctest::Color`.
+DOCTEST_STRINGIFY_VARIANT(StringName);
+DOCTEST_STRINGIFY_VARIANT(NodePath);
+DOCTEST_STRINGIFY_VARIANT(RID);
+DOCTEST_STRINGIFY_VARIANT_POINTER(Object);
+DOCTEST_STRINGIFY_VARIANT(Callable);
+DOCTEST_STRINGIFY_VARIANT(Signal);
+DOCTEST_STRINGIFY_VARIANT(Dictionary);
+DOCTEST_STRINGIFY_VARIANT(Array);
+
+DOCTEST_STRINGIFY_VARIANT(PackedByteArray);
+DOCTEST_STRINGIFY_VARIANT(PackedInt32Array);
+DOCTEST_STRINGIFY_VARIANT(PackedInt64Array);
+DOCTEST_STRINGIFY_VARIANT(PackedFloat32Array);
+DOCTEST_STRINGIFY_VARIANT(PackedFloat64Array);
+DOCTEST_STRINGIFY_VARIANT(PackedStringArray);
+DOCTEST_STRINGIFY_VARIANT(PackedVector2Array);
+DOCTEST_STRINGIFY_VARIANT(PackedVector3Array);
+DOCTEST_STRINGIFY_VARIANT(PackedColorArray);
+
 #endif // TEST_MACROS_H