From dd2f878e594807cb86bdb49bc979c63e2b8d7e81 Mon Sep 17 00:00:00 2001 From: chriseth Date: Fri, 16 Sep 2016 12:56:43 +0200 Subject: Test case. --- test/libsolidity/SolidityEndToEndTest.cpp | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) (limited to 'test/libsolidity/SolidityEndToEndTest.cpp') diff --git a/test/libsolidity/SolidityEndToEndTest.cpp b/test/libsolidity/SolidityEndToEndTest.cpp index 7ee5700c..c8bc7ff9 100644 --- a/test/libsolidity/SolidityEndToEndTest.cpp +++ b/test/libsolidity/SolidityEndToEndTest.cpp @@ -7186,6 +7186,33 @@ BOOST_AUTO_TEST_CASE(no_nonpayable_circumvention_by_modifier) BOOST_CHECK_EQUAL(balanceAt(m_contractAddress), 0); } +BOOST_AUTO_TEST_CASE(mem_resize_is_not_paid_at_call) +{ + // This tests that memory resize for return values is not paid during the call, which would + // make the gas calculation overly complex. We access the end of the output area before + // the call is made. + // Tests that this also survivecs the optimizer. + char const* sourceCode = R"( + contract C { + function f() returns (uint[200]) {} + } + contract D { + function f(C c) returns (uint) { c.f(); return 7; } + } + )"; + + compileAndRun(sourceCode, 0, "C"); + u160 cAddr = m_contractAddress; + compileAndRun(sourceCode, 0, "D"); + BOOST_CHECK(callContractFunction("f(address)", cAddr) == encodeArgs(u256(7))); + + m_optimize = true; + + compileAndRun(sourceCode, 0, "C"); + u160 cAddrOpt = m_contractAddress; + compileAndRun(sourceCode, 0, "D"); + BOOST_CHECK(callContractFunction("f(address)", cAddrOpt) == encodeArgs(u256(7))); +} BOOST_AUTO_TEST_SUITE_END() -- cgit From 5a45990458e9fc39a124d2b949ff77d1f6f1d8a7 Mon Sep 17 00:00:00 2001 From: chriseth Date: Fri, 16 Sep 2016 12:56:52 +0200 Subject: Access output memory area so that we do not pay for resize during call. --- test/libsolidity/SolidityEndToEndTest.cpp | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'test/libsolidity/SolidityEndToEndTest.cpp') diff --git a/test/libsolidity/SolidityEndToEndTest.cpp b/test/libsolidity/SolidityEndToEndTest.cpp index c8bc7ff9..0ce2851b 100644 --- a/test/libsolidity/SolidityEndToEndTest.cpp +++ b/test/libsolidity/SolidityEndToEndTest.cpp @@ -7191,7 +7191,7 @@ BOOST_AUTO_TEST_CASE(mem_resize_is_not_paid_at_call) // This tests that memory resize for return values is not paid during the call, which would // make the gas calculation overly complex. We access the end of the output area before // the call is made. - // Tests that this also survivecs the optimizer. + // Tests that this also survives the optimizer. char const* sourceCode = R"( contract C { function f() returns (uint[200]) {} -- cgit