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Disallow comparison operators on contracts

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This commit is contained in:
Marenz
2022-08-18 17:56:22 +02:00
parent 777385f5d2
commit f426b5988e
12 changed files with 45 additions and 18 deletions
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test/libsolidity/syntaxTests/errors/contract_no_comparison.sol
+21
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@@ -0,0 +1,21 @@
contract C {
function f(string calldata data) external pure {
C c;
assert(this == this);
assert(this == c);
assert(this != c);
assert(this >= c);
assert(this <= c);
assert(this < c);
assert(this > c);
}
}
// ----
// TypeError 2271: (79-91): Operator == not compatible with types contract C and contract C. No arithmetic or comparison operations are allowed on contract types. Consider converting to "address".
// TypeError 2271: (104-113): Operator == not compatible with types contract C and contract C. No arithmetic or comparison operations are allowed on contract types. Consider converting to "address".
// TypeError 2271: (125-134): Operator != not compatible with types contract C and contract C. No arithmetic or comparison operations are allowed on contract types. Consider converting to "address".
// TypeError 2271: (146-155): Operator >= not compatible with types contract C and contract C. No arithmetic or comparison operations are allowed on contract types. Consider converting to "address".
// TypeError 2271: (167-176): Operator <= not compatible with types contract C and contract C. No arithmetic or comparison operations are allowed on contract types. Consider converting to "address".
// TypeError 2271: (188-196): Operator < not compatible with types contract C and contract C. No arithmetic or comparison operations are allowed on contract types. Consider converting to "address".
// TypeError 2271: (208-216): Operator > not compatible with types contract C and contract C. No arithmetic or comparison operations are allowed on contract types. Consider converting to "address".