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Add test for forwarding length check.

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This commit is contained in:
chriseth 2018-05-06 15:23:20 +02:00
parent 03c2484407
commit 8b98ff470c
1 changed files with 45 additions and 0 deletions
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45
test/libsolidity/SolidityEndToEndTest.cpp
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@ -3959,6 +3959,51 @@ BOOST_AUTO_TEST_CASE(call_forward_bytes)
ABI_CHECK(callContractFunction("val()"), encodeArgs(0x80));
}
BOOST_AUTO_TEST_CASE(call_forward_bytes_length)
{
char const* sourceCode = R"(
contract receiver {
uint public calledLength;
function() { calledLength = msg.data.length; }
}
contract sender {
receiver rec;
constructor() { rec = new receiver(); }
function viaCalldata() returns (uint) {
require(rec.call(msg.data));
return rec.calledLength();
}
function viaMemory() returns (uint) {
bytes memory x = msg.data;
require(rec.call(x));
return rec.calledLength();
}
bytes s;
function viaStorage() returns (uint) {
s = msg.data;
require(rec.call(s));
return rec.calledLength();
}
}
)";
compileAndRun(sourceCode, 0, "sender");
// No additional data, just function selector
ABI_CHECK(callContractFunction("viaCalldata()"), encodeArgs(4));
ABI_CHECK(callContractFunction("viaMemory()"), encodeArgs(0x20));
// Should be this with 0.5.0: encodeArgs(4));
ABI_CHECK(callContractFunction("viaStorage()"), encodeArgs(0x20));
// Should be this with 0.5.0: encodeArgs(4));
// Some additional unpadded data
bytes unpadded = asBytes(string("abc"));
ABI_CHECK(callContractFunctionNoEncoding("viaCalldata()", unpadded), encodeArgs(7));
ABI_CHECK(callContractFunctionNoEncoding("viaMemory()", unpadded), encodeArgs(0x20));
// Should be this with 0.5.0: encodeArgs(7));
ABI_CHECK(callContractFunctionNoEncoding("viaStorage()", unpadded), encodeArgs(0x20));
// Should be this with 0.5.0: encodeArgs(7));
}
BOOST_AUTO_TEST_CASE(copying_bytes_multiassign)
{
char const* sourceCode = R"(