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Merge remote-tracking branch 'upstream/develop' into moreTests

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CJentzsch 2015-06-16 10:13:40 +02:00
commit 59e24c714c
2 changed files with 95 additions and 0 deletions
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87
libsolidity/SolidityNameAndTypeResolution.cpp
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@ -1889,6 +1889,93 @@ BOOST_AUTO_TEST_CASE(storage_location_local_variables)
BOOST_CHECK_NO_THROW(parseTextAndResolveNames(sourceCode)); BOOST_CHECK_NO_THROW(parseTextAndResolveNames(sourceCode));
} }
BOOST_AUTO_TEST_CASE(assignment_mem_to_local_storage_variable)
{
char const* sourceCode = R"(
contract C {
uint[] data;
function f(uint[] x) {
var dataRef = data;
dataRef = x;
}
}
)";
BOOST_CHECK_THROW(parseTextAndResolveNames(sourceCode), TypeError);
}
BOOST_AUTO_TEST_CASE(storage_assign_to_different_local_variable)
{
char const* sourceCode = R"(
contract C {
uint[] data;
uint8[] otherData;
function f() {
uint8[] storage x = otherData;
uint[] storage y = data;
y = x;
// note that data = otherData works
}
}
)";
BOOST_CHECK_THROW(parseTextAndResolveNames(sourceCode), TypeError);
}
BOOST_AUTO_TEST_CASE(assignment_mem_storage_variable_directly)
{
char const* sourceCode = R"(
contract C {
uint[] data;
function f(uint[] x) {
data = x;
}
}
)";
BOOST_CHECK_NO_THROW(parseTextAndResolveNames(sourceCode));
}
BOOST_AUTO_TEST_CASE(function_argument_mem_to_storage)
{
char const* sourceCode = R"(
contract C {
function f(uint[] storage x) private {
}
function g(uint[] x) {
f(x);
}
}
)";
BOOST_CHECK_THROW(parseTextAndResolveNames(sourceCode), TypeError);
}
BOOST_AUTO_TEST_CASE(function_argument_storage_to_mem)
{
char const* sourceCode = R"(
contract C {
function f(uint[] storage x) private {
g(x);
}
function g(uint[] x) {
}
}
)";
BOOST_CHECK_NO_THROW(parseTextAndResolveNames(sourceCode));
}
BOOST_AUTO_TEST_CASE(mem_array_assignment_changes_base_type)
{
// Such an assignment is possible in storage, but not in memory
// (because it would incur an otherwise unnecessary copy).
// This requirement might be lifted, though.
char const* sourceCode = R"(
contract C {
function f(uint8[] memory x) private {
uint[] memory y = x;
}
}
)";
BOOST_CHECK_THROW(parseTextAndResolveNames(sourceCode), TypeError);
}
BOOST_AUTO_TEST_SUITE_END() BOOST_AUTO_TEST_SUITE_END()
} }

8
libsolidity/SolidityOptimizer.cpp
View File

@ -944,6 +944,14 @@ BOOST_AUTO_TEST_CASE(cse_access_previous_sequence)
// 0, SLOAD, 1, ADD, SSTORE, 0 SLOAD // 0, SLOAD, 1, ADD, SSTORE, 0 SLOAD
} }
BOOST_AUTO_TEST_CASE(cse_optimise_return)
{
checkCSE(
AssemblyItems{u256(0), u256(7), Instruction::RETURN},
AssemblyItems{Instruction::STOP}
);
}
BOOST_AUTO_TEST_CASE(control_flow_graph_remove_unused) BOOST_AUTO_TEST_CASE(control_flow_graph_remove_unused)
{ {
// remove parts of the code that are unused // remove parts of the code that are unused