From d2332769d3e87b3500638591c23241ebd942fbb1 Mon Sep 17 00:00:00 2001
From: chriseth <c@ethdev.com>
Date: Wed, 30 Sep 2015 17:21:15 +0200
Subject: [PATCH] Test for internal types.

---
 test/libsolidity/SolidityEndToEndTest.cpp | 29 +++++++++++++++++++++++
 1 file changed, 29 insertions(+)

diff --git a/test/libsolidity/SolidityEndToEndTest.cpp b/test/libsolidity/SolidityEndToEndTest.cpp
index 86caacb69..c40a027aa 100644
--- a/test/libsolidity/SolidityEndToEndTest.cpp
+++ b/test/libsolidity/SolidityEndToEndTest.cpp
@@ -5354,6 +5354,35 @@ BOOST_AUTO_TEST_CASE(fixed_arrays_as_return_type)
 	);
 }
 
+BOOST_AUTO_TEST_CASE(internal_types_in_library)
+{
+	char const* sourceCode = R"(
+		library Lib {
+			function find(uint16[] storage _haystack, uint16 _needle) constant returns (uint)
+			{
+				for (uint i = 0; i < _haystack.length; ++i)
+					if (_haystack[i] == _needle)
+						return i;
+				return uint(-1);
+			}
+		}
+		contract Test {
+			mapping(string => uint16[]) data;
+			function f() returns (uint a, uint b)
+			{
+				data["abc"].length = 20;
+				data["abc"][4] = 9;
+				data["abc"][17] = 3;
+				a = Lib.find(data["abc"], 9);
+				b = Lib.find(data["abc"], 3);
+			}
+		}
+	)";
+	compileAndRun(sourceCode, 0, "Lib");
+	compileAndRun(sourceCode, 0, "Test", bytes(), map<string, Address>{{"Lib", m_contractAddress}});
+	BOOST_CHECK(callContractFunction("f()") == encodeArgs(u256(4), u256(17)));
+}
+
 BOOST_AUTO_TEST_CASE(short_strings)
 {
 	// This test verifies that the byte array encoding that combines length and data works