Merge pull request #89197 from AThousandShips/arr_typed_fix

[Core] Fix sharing of typed arrays from constructor

1 files changed, 37 insertions, 0 deletions

diff --git a/tests/core/variant/test_array.h b/tests/core/variant/test_array.h
index c54854e4d7..787b8f39d9 100644
--- a/tests/core/variant/test_array.h
+++ b/tests/core/variant/test_array.h
@@ -597,6 +597,43 @@ TEST_CASE("[Array] Iteration and modification") {
 	a4.clear();
 }
 
+TEST_CASE("[Array] Typed copying") {
+	TypedArray<int> a1;
+	a1.push_back(1);
+
+	TypedArray<double> a2;
+	a2.push_back(1.0);
+
+	Array a3 = a1;
+	TypedArray<int> a4 = a3;
+
+	Array a5 = a2;
+	TypedArray<int> a6 = a5;
+
+	a3[0] = 2;
+	a4[0] = 3;
+
+	// Same typed TypedArray should be shared.
+	CHECK_EQ(a1[0], Variant(3));
+	CHECK_EQ(a3[0], Variant(3));
+	CHECK_EQ(a4[0], Variant(3));
+
+	a5[0] = 2.0;
+	a6[0] = 3.0;
+
+	// Different typed TypedArray should not be shared.
+	CHECK_EQ(a2[0], Variant(2.0));
+	CHECK_EQ(a5[0], Variant(2.0));
+	CHECK_EQ(a6[0], Variant(3.0));
+
+	a1.clear();
+	a2.clear();
+	a3.clear();
+	a4.clear();
+	a5.clear();
+	a6.clear();
+}
+
 } // namespace TestArray
 
 #endif // TEST_ARRAY_H