Merge pull request #2564 from ethereum/large-arrays-calldata

Add type error for arrays too large for calldata

1 files changed, 25 insertions, 0 deletions

diff --git a/test/libsolidity/SolidityNameAndTypeResolution.cpp b/test/libsolidity/SolidityNameAndTypeResolution.cpp
index 472f1b97..36b48cfd 100644
--- a/test/libsolidity/SolidityNameAndTypeResolution.cpp
+++ b/test/libsolidity/SolidityNameAndTypeResolution.cpp
@@ -6297,6 +6297,31 @@ BOOST_AUTO_TEST_CASE(implicit_conversion_disallowed)
 	CHECK_ERROR(text, TypeError, "Return argument type uint32 is not implicitly convertible to expected type (type of first return variable) bytes4.");
 }
 
+BOOST_AUTO_TEST_CASE(too_large_arrays_for_calldata)
+{
+	char const* text = R"(
+		contract C {
+			function f(uint[85678901234] a) external {
+			}
+		}
+	)";
+	CHECK_ERROR(text, TypeError, "Array is too large to be encoded as calldata.");
+	text = R"(
+		contract C {
+			function f(uint[85678901234] a) internal {
+			}
+		}
+	)";
+	CHECK_SUCCESS_NO_WARNINGS(text);
+	text = R"(
+		contract C {
+			function f(uint[85678901234] a) {
+			}
+		}
+	)";
+	CHECK_ERROR(text, TypeError, "Array is too large to be encoded as calldata.");
+}
+
 BOOST_AUTO_TEST_SUITE_END()
 
 }