Some more tests.

1 files changed, 32 insertions, 0 deletions

diff --git a/test/libsolidity/SolidityNameAndTypeResolution.cpp b/test/libsolidity/SolidityNameAndTypeResolution.cpp
index 6af5f503..7961dbc4 100644
--- a/test/libsolidity/SolidityNameAndTypeResolution.cpp
+++ b/test/libsolidity/SolidityNameAndTypeResolution.cpp
@@ -5813,6 +5813,38 @@ BOOST_AUTO_TEST_CASE(warn_multiple_storage_storage_copies_fill_left)
 	CHECK_WARNING(text, "This assignment performs two copies to storage.");
 }
 
+BOOST_AUTO_TEST_CASE(nowarn_swap_memory)
+{
+	char const* text = R"(
+		contract C {
+			struct S { uint a; uint b; }
+			function f() {
+				S memory x;
+				S memory y;
+				(x, y) = (y, x);
+			}
+		}
+	)";
+	CHECK_SUCCESS_NO_WARNINGS(text);
+}
+
+BOOST_AUTO_TEST_CASE(nowarn_swap_storage_pointers)
+{
+	char const* text = R"(
+		contract C {
+			struct S { uint a; uint b; }
+			S x; S y;
+			function f() {
+				S storage x_local = x;
+				S storage y_local = y;
+				S storage z_local = x;
+				(x, y_local, x_local, z_local) = (y, x_local, y_local, y);
+			}
+		}
+	)";
+	CHECK_SUCCESS_NO_WARNINGS(text);
+}
+
 BOOST_AUTO_TEST_CASE(warn_unused_local)
 {
 	char const* text = R"(