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Detect cyclic constant definitions

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This commit is contained in:
Balajiganapathi S
2017-11-22 02:07:56 +00:00
committed by Alex Beregszaszi
parent c0b4969451
commit d102deaec9
3 changed files with 44 additions and 9 deletions
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test/libsolidity/SolidityNameAndTypeResolution.cpp
+29 -1
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@@ -7366,7 +7366,35 @@ BOOST_AUTO_TEST_CASE(array_length_cannot_be_constant_function_parameter)
}
}
)";
CHECK_ERROR(text, TypeError, "Invalid array length, expected integer literal.");
CHECK_ERROR(text, TypeError, "Constant identifier declaration must have a constant value.");
}
BOOST_AUTO_TEST_CASE(array_length_with_cyclic_constant)
{
char const* text = R"(
contract C {
uint constant LEN = LEN;
function f() {
uint[LEN] a;
}
}
)";
CHECK_ERROR(text, TypeError, "Cyclic constant definition.");
}
BOOST_AUTO_TEST_CASE(array_length_with_complex_cyclic_constant)
{
char const* text = R"(
contract C {
uint constant L2 = LEN - 10;
uint constant L1 = L2 / 10;
uint constant LEN = 10 + L1 * 5;
function f() {
uint[LEN] a;
}
}
)";
CHECK_ERROR(text, TypeError, "Cyclic constant definition.");
}
BOOST_AUTO_TEST_CASE(array_length_with_pure_functions)