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Merge pull request #5195 from ethereum/unsigned-array-index

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Do not crash on non-unsigned array index
This commit is contained in:
chriseth
2018-10-10 20:56:25 +02:00
committed by GitHub
parent f33fc99558 763ae30023
commit 2feaacba9d
7 changed files with 47 additions and 3 deletions
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test/libsolidity/syntaxTests/indexing/array_multidim_rational.sol
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contract C {
function f() public {
bytes[32] memory a;
a[8**90][8**90][8**90*0.1];
}
}
// ----
// TypeError: (67-72): Type int_const 1897...(74 digits omitted)...1424 is not implicitly convertible to expected type uint256.
// TypeError: (74-79): Type int_const 1897...(74 digits omitted)...1424 is not implicitly convertible to expected type uint256.
// TypeError: (81-90): Type rational_const 9485...(73 digits omitted)...5712 / 5 is not implicitly convertible to expected type uint256.
// TypeError: (65-91): Index expression cannot be represented as an unsigned integer.
test/libsolidity/syntaxTests/indexing/array_multim_overflow_index.sol
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contract C {
function f() public {
bytes[32] memory a;
a[8**90][8**90][1 - 8**90];
}
}
// ----
// TypeError: (67-72): Type int_const 1897...(74 digits omitted)...1424 is not implicitly convertible to expected type uint256.
// TypeError: (74-79): Type int_const 1897...(74 digits omitted)...1424 is not implicitly convertible to expected type uint256.
// TypeError: (81-90): Type int_const -189...(75 digits omitted)...1423 is not implicitly convertible to expected type uint256.
// TypeError: (65-91): Index expression cannot be represented as an unsigned integer.
test/libsolidity/syntaxTests/indexing/fixedbytes_negative_index.sol
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contract C {
function f() public {
bytes32 b;
b[-1];
}
}
// ----
// TypeError: (58-60): Type int_const -1 is not implicitly convertible to expected type uint256.
// TypeError: (56-61): Index expression cannot be represented as an unsigned integer.
test/libsolidity/syntaxTests/indexing/fixedbytes_noninteger_index.sol
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contract C {
function f() public {
bytes32 b;
b[888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888];
}
}
// ----
// TypeError: (58-169): Type int_const 8888...(103 digits omitted)...8888 is not implicitly convertible to expected type uint256.
// TypeError: (56-170): Index expression cannot be represented as an unsigned integer.