Make function calls throw if target does not have code.

Low-level calls still just execute and will actually report "success".
This allows `x.call.value(y)()` for x being a non-contract account.

1 files changed, 26 insertions, 0 deletions

diff --git a/test/libsolidity/SolidityEndToEndTest.cpp b/test/libsolidity/SolidityEndToEndTest.cpp
index a1ab7700..8aab3cb9 100644
--- a/test/libsolidity/SolidityEndToEndTest.cpp
+++ b/test/libsolidity/SolidityEndToEndTest.cpp
@@ -6896,6 +6896,32 @@ BOOST_AUTO_TEST_CASE(failing_ecrecover_invalid_input)
 	BOOST_CHECK(callContractFunction("f()") == encodeArgs(u256(0)));
 }
 
+BOOST_AUTO_TEST_CASE(calling_nonexisting_contract_throws)
+{
+	char const* sourceCode = R"(
+		contract D { function g(); }
+		contract C {
+			D d = D(0x1212);
+			function f() returns (uint) {
+				d.g();
+				return 7;
+			}
+			function g() returns (uint) {
+				d.g.gas(200)();
+				return 7;
+			}
+			function h() returns (uint) {
+				d.call(); // this does not throw (low-level)
+				return 7;
+			}
+		}
+	)";
+	compileAndRun(sourceCode, 0, "C");
+	BOOST_CHECK(callContractFunction("f()") == encodeArgs());
+	BOOST_CHECK(callContractFunction("g()") == encodeArgs());
+	BOOST_CHECK(callContractFunction("h()") == encodeArgs(u256(7)));
+}
+
 BOOST_AUTO_TEST_SUITE_END()
 
 }