solidity/test/libsolidity/smtCheckerTests/inheritance/functions_3.sol
2021-01-12 14:00:07 +01:00

45 lines
1.5 KiB
Solidity

pragma experimental SMTChecker;
// 2 warnings, A.f and A.g
contract A {
uint x;
function f() public virtual view {
assert(x == 1);
}
function g() public view {
assert(x == 1);
}
}
// 3 warnings, B.f, B.h, A.g
contract B is A {
uint y;
function f() public view virtual override {
assert(x == 1);
}
function h() public view {
assert(x == 1);
}
}
// 4 warnings, C.f, C.i, B.h, A.g
contract C is B {
uint z;
function f() public view override {
assert(x == 1);
}
function i() public view {
assert(x == 1);
}
}
// ----
// Warning 6328: (121-135): CHC: Assertion violation happens here.\nCounterexample:\nx = 0\n\nTransaction trace:\nA.constructor()\nState: x = 0\nA.f()
// Warning 6328: (170-184): CHC: Assertion violation happens here.\nCounterexample:\nx = 0\n\nTransaction trace:\nA.constructor()\nState: x = 0\nA.g()
// Warning 6328: (296-310): CHC: Assertion violation happens here.\nCounterexample:\ny = 0, x = 0\n\nTransaction trace:\nB.constructor()\nState: y = 0, x = 0\nB.f()
// Warning 6328: (345-359): CHC: Assertion violation happens here.\nCounterexample:\ny = 0, x = 0\n\nTransaction trace:\nB.constructor()\nState: y = 0, x = 0\nB.h()
// Warning 6328: (468-482): CHC: Assertion violation happens here.\nCounterexample:\nz = 0, y = 0, x = 0\n\nTransaction trace:\nC.constructor()\nState: z = 0, y = 0, x = 0\nC.f()
// Warning 6328: (517-531): CHC: Assertion violation happens here.\nCounterexample:\nz = 0, y = 0, x = 0\n\nTransaction trace:\nC.constructor()\nState: z = 0, y = 0, x = 0\nC.i()