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Allow explicit conversions bytes <-> string.

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This commit is contained in:
chriseth 2015-08-04 11:06:57 +02:00
parent 765f303688
commit 45e6d94078
2 changed files with 42 additions and 0 deletions
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25
libsolidity/SolidityEndToEndTest.cpp
View File

@ -5099,6 +5099,31 @@ BOOST_AUTO_TEST_CASE(memory_structs_with_mappings)
BOOST_CHECK(callContractFunction("f()") == encodeArgs(u256(0)));
}
BOOST_AUTO_TEST_CASE(string_bytes_conversion)
{
char const* sourceCode = R"(
contract Test {
string s;
bytes b;
function f(string _s, uint n) returns (byte) {
b = bytes(_s);
s = string(b);
return bytes(s)[n];
}
function l() returns (uint) { return bytes(s).length; }
}
)";
compileAndRun(sourceCode, 0, "Test");
BOOST_CHECK(callContractFunction(
"f(string,uint256)",
u256(0x40),
u256(2),
u256(6),
string("abcdef")
) == encodeArgs("c"));
BOOST_CHECK(callContractFunction("l()") == encodeArgs(u256(6)));
}
BOOST_AUTO_TEST_CASE(string_as_mapping_key)
{
char const* sourceCode = R"(

17
libsolidity/SolidityNameAndTypeResolution.cpp
View File

@ -2149,6 +2149,23 @@ BOOST_AUTO_TEST_CASE(memory_structs_with_mappings)
BOOST_CHECK_THROW(parseTextAndResolveNames(text), TypeError);
}
BOOST_AUTO_TEST_CASE(string_bytes_conversion)
{
char const* text = R"(
contract Test {
string s;
bytes b;
function h(string _s) external { bytes(_s).length; }
function i(string _s) internal { bytes(_s).length; }
function j() internal { bytes(s).length; }
function k(bytes _b) external { string(_b); }
function l(bytes _b) internal { string(_b); }
function m() internal { string(b); }
}
)";
BOOST_CHECK_NO_THROW(parseTextAndResolveNames(text));
}
BOOST_AUTO_TEST_SUITE_END()
}