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Simple copy of bytes to storage.

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Christian 2015-02-10 14:57:01 +01:00
parent 8787413a86
commit 6e0ade681d
1 changed files with 63 additions and 4 deletions
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67
SolidityEndToEndTest.cpp
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@ -2254,7 +2254,26 @@ BOOST_AUTO_TEST_CASE(generic_call)
BOOST_CHECK_EQUAL(m_state.balance(m_contractAddress), 50 - 2); BOOST_CHECK_EQUAL(m_state.balance(m_contractAddress), 50 - 2);
} }
BOOST_AUTO_TEST_CASE(storing_bytes) BOOST_AUTO_TEST_CASE(store_bytes)
{
// this test just checks that the copy loop does not mess up the stack
char const* sourceCode = R"(
contract C {
function save() returns (uint r) {
r = 23;
savedData = msg.data;
r = 24;
}
bytes savedData;
}
)";
compileAndRun(sourceCode);
// empty copy loop
BOOST_CHECK(callContractFunction("save()") == encodeArgs(24));
BOOST_CHECK(callContractFunction("save()", "abcdefg") == encodeArgs(24));
}
BOOST_AUTO_TEST_CASE(call_forward_bytes)
{ {
char const* sourceCode = R"( char const* sourceCode = R"(
contract C { contract C {
@ -2267,16 +2286,56 @@ BOOST_AUTO_TEST_CASE(storing_bytes)
function clear() { function clear() {
delete savedData; delete savedData;
} }
function doubleIt(uint a) returns (uint b) { return a * 2; } function doubleIt(uint a) { val += a * 2; }
bytes savedData; bytes savedData;
uint public val;
} }
)"; )";
compileAndRun(sourceCode); compileAndRun(sourceCode);
FixedHash<4> innerHash(dev::sha3("doubleIt(uint256)")); FixedHash<4> innerHash(dev::sha3("doubleIt(uint256)"));
BOOST_CHECK(callContractFunction("save()", innerHash.asBytes(), 7) == bytes()); BOOST_CHECK(callContractFunction("save()", innerHash.asBytes(), 7) == bytes());
BOOST_CHECK(callContractFunction("forward()") == encodeArgs(14)); BOOST_CHECK(callContractFunction("val()") == bytes(0));
BOOST_CHECK(callContractFunction("clear()") == bytes());
BOOST_CHECK(callContractFunction("forward()") == bytes()); BOOST_CHECK(callContractFunction("forward()") == bytes());
BOOST_CHECK(callContractFunction("val()") == bytes(14));
BOOST_CHECK(callContractFunction("clear()") == bytes());
BOOST_CHECK(callContractFunction("val()") == bytes(14));
BOOST_CHECK(callContractFunction("forward()") == bytes());
BOOST_CHECK(callContractFunction("val()") == bytes(14));
}
BOOST_AUTO_TEST_CASE(copying_bytes_multiassign)
{
char const* sourceCode = R"(
contract C {
function save() {
data1 = data2 = msg.data;
}
function forward(bool selector) {
if (selector)
{
this.call(data1);
delete data1;
}
else
{
this.call(data2);
delete data2;
}
}
function doubleIt(uint a) returns (uint b) { val += a * 2; }
bytes data1;
bytes data2;
uint public val;
}
)";
compileAndRun(sourceCode);
FixedHash<4> innerHash(dev::sha3("doubleIt(uint256)"));
BOOST_CHECK(callContractFunction("save()", innerHash.asBytes(), 7) == bytes());
BOOST_CHECK(callContractFunction("val()") == bytes(0));
BOOST_CHECK(callContractFunction("forward(bool)", true) == bytes());
BOOST_CHECK(callContractFunction("val()") == bytes(14));
BOOST_CHECK(callContractFunction("forward(bool)", false) == bytes());
BOOST_CHECK(callContractFunction("val()") == bytes(28));
} }
BOOST_AUTO_TEST_SUITE_END() BOOST_AUTO_TEST_SUITE_END()