From 82175fbd2bc70495c031f78f6af1e974565174a5 Mon Sep 17 00:00:00 2001 From: chriseth Date: Fri, 15 Apr 2016 16:49:26 +0200 Subject: Test for bug when deleting dynamic array of structs. --- test/libsolidity/SolidityEndToEndTest.cpp | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) (limited to 'test/libsolidity/SolidityEndToEndTest.cpp') diff --git a/test/libsolidity/SolidityEndToEndTest.cpp b/test/libsolidity/SolidityEndToEndTest.cpp index c872f011..a26570d3 100644 --- a/test/libsolidity/SolidityEndToEndTest.cpp +++ b/test/libsolidity/SolidityEndToEndTest.cpp @@ -6591,6 +6591,28 @@ BOOST_AUTO_TEST_CASE(index_access_with_type_conversion) BOOST_CHECK(callContractFunction("f(uint256)", u256(0x101)).size() == 256 * 32); } +BOOST_AUTO_TEST_CASE(delete_on_array_of_structs) +{ + // Test for a bug where we did not increment the counter properly while deleting a dynamic array. + char const* sourceCode = R"( + contract C { + struct S { uint x; uint[] y; } + S[] data; + function f() returns (bool) { + data.length = 2; + data[0].x = 2**200; + data[1].x = 2**200; + delete data; + return true; + } + } + )"; + compileAndRun(sourceCode, 0, "C"); + // This code interprets x as an array length and thus will go out of gas. + // neither of the two should throw due to out-of-bounds access + BOOST_CHECK(callContractFunction("f()") == encodeArgs(true)); +} + BOOST_AUTO_TEST_SUITE_END() } -- cgit