From 98b686c67207c2c3ced0110dced5ed6934716386 Mon Sep 17 00:00:00 2001 From: chriseth Date: Thu, 31 Mar 2016 01:17:48 +0200 Subject: Test to check we correctly clean higher order bits for index access. --- test/libsolidity/SolidityEndToEndTest.cpp | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) (limited to 'test/libsolidity/SolidityEndToEndTest.cpp') diff --git a/test/libsolidity/SolidityEndToEndTest.cpp b/test/libsolidity/SolidityEndToEndTest.cpp index 663493c9..c872f011 100644 --- a/test/libsolidity/SolidityEndToEndTest.cpp +++ b/test/libsolidity/SolidityEndToEndTest.cpp @@ -6575,6 +6575,22 @@ BOOST_AUTO_TEST_CASE(inline_assembly_jumps) BOOST_CHECK(callContractFunction("f()", u256(7)) == encodeArgs(u256(34))); } +BOOST_AUTO_TEST_CASE(index_access_with_type_conversion) +{ + // Test for a bug where higher order bits cleanup was not done for array index access. + char const* sourceCode = R"( + contract C { + function f(uint x) returns (uint[256] r){ + r[uint8(x)] = 2; + } + } + )"; + compileAndRun(sourceCode, 0, "C"); + // neither of the two should throw due to out-of-bounds access + BOOST_CHECK(callContractFunction("f(uint256)", u256(0x01)).size() == 256 * 32); + BOOST_CHECK(callContractFunction("f(uint256)", u256(0x101)).size() == 256 * 32); +} + BOOST_AUTO_TEST_SUITE_END() } -- cgit