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[cond-expr] add a test to assign memory to storage

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This commit is contained in:
Lu Guanqun 2016-01-11 16:29:24 +08:00
parent 41039705ac
commit 1cd3288311
2 changed files with 39 additions and 2 deletions
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4
libsolidity/analysis/TypeChecker.cpp
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@ -754,6 +754,10 @@ bool TypeChecker::visit(Conditional const& _conditional)
TypePointer const& trueType = type(_conditional.trueExpression());
TypePointer const& falseType = type(_conditional.falseExpression());
TypePointer commonType;
if (*trueType == *falseType)
commonType = trueType;
else
// we fake it as an equal operator, but any other comparison operator can work.
TypePointer commonType = trueType->binaryOperatorResult(Token::Equal, falseType);
if (!commonType)

33
test/libsolidity/SolidityEndToEndTest.cpp
View File

@ -141,6 +141,39 @@ BOOST_AUTO_TEST_CASE(conditional_expression_with_return_values)
BOOST_CHECK(callContractFunction("f(bool,uint256)", false, u256(20)) == encodeArgs(u256(0), u256(20)));
}
BOOST_AUTO_TEST_CASE(conditional_expression_storage_memory)
{
char const* sourceCode = R"(
contract test {
bytes2[2] data1;
function f(bool cond) returns (uint) {
bytes2[2] memory x;
x[0] = "aa";
bytes2[2] memory y;
y[0] = "bb";
data1 = cond ? x : y;
uint ret = 0;
if (data1[0] == "aa")
{
ret = 1;
}
if (data1[0] == "bb")
{
ret = 2;
}
return ret;
}
}
)";
compileAndRun(sourceCode);
BOOST_CHECK(callContractFunction("f(bool)", true) == encodeArgs(u256(1)));
BOOST_CHECK(callContractFunction("f(bool)", false) == encodeArgs(u256(2)));
}
BOOST_AUTO_TEST_CASE(recursive_calls)
{
char const* sourceCode = "contract test {\n"