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Test for accessing outer inline assembly scope.

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This commit is contained in:
chriseth 2017-05-29 20:32:47 +02:00
parent 97cc968a13
commit 64ddb176bb
2 changed files with 60 additions and 2 deletions
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27
test/libsolidity/SolidityEndToEndTest.cpp
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@ -7462,6 +7462,33 @@ BOOST_AUTO_TEST_CASE(inline_assembly_storage_access)
BOOST_CHECK(callContractFunction("z()") == encodeArgs(u256(7)));
}
BOOST_AUTO_TEST_CASE(inline_assembly_storage_access_inside_function)
{
char const* sourceCode = R"(
contract C {
uint16 x;
uint16 public y;
uint public z;
function f() returns (bool) {
uint off1;
uint off2;
assembly {
function f() -> o1 {
sstore(z_slot, 7)
o1 := y_offset
}
off2 := f()
}
assert(off2 == 2);
return true;
}
}
)";
compileAndRun(sourceCode, 0, "C");
BOOST_CHECK(callContractFunction("f()") == encodeArgs(true));
BOOST_CHECK(callContractFunction("z()") == encodeArgs(u256(7)));
}
BOOST_AUTO_TEST_CASE(inline_assembly_storage_access_via_pointer)
{
char const* sourceCode = R"(

35
test/libsolidity/SolidityNameAndTypeResolution.cpp
View File

@ -5159,7 +5159,7 @@ BOOST_AUTO_TEST_CASE(inline_assembly_constant_access)
CHECK_ERROR(text, TypeError, "Constant variables not supported by inline assembly");
}
BOOST_AUTO_TEST_CASE(inline_assembly_variable_access_out_of_functions)
BOOST_AUTO_TEST_CASE(inline_assembly_local_variable_access_out_of_functions)
{
char const* text = R"(
contract test {
@ -5171,7 +5171,38 @@ BOOST_AUTO_TEST_CASE(inline_assembly_variable_access_out_of_functions)
}
}
)";
CHECK_ERROR(text, DeclarationError, "Inline assembly functions cannot access their outer scope.");
CHECK_ERROR(text, DeclarationError, "Cannot access local Solidity variables from inside an inline assembly function.");
}
BOOST_AUTO_TEST_CASE(inline_assembly_local_variable_access_out_of_functions_storage_ptr)
{
char const* text = R"(
contract test {
uint[] r;
function f() {
uint[] storage a = r;
assembly {
function g() -> x { x := a_offset }
}
}
}
)";
CHECK_ERROR(text, DeclarationError, "Cannot access local Solidity variables from inside an inline assembly function.");
}
BOOST_AUTO_TEST_CASE(inline_assembly_storage_variable_access_out_of_functions)
{
char const* text = R"(
contract test {
uint a;
function f() {
assembly {
function g() -> x { x := a_slot }
}
}
}
)";
CHECK_SUCCESS_NO_WARNINGS(text);
}
BOOST_AUTO_TEST_CASE(invalid_mobile_type)