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Add tests for ABI coding empty strings and string literals

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Include the case of revert("")
This commit is contained in:
Alex Beregszaszi
2020-11-04 17:48:59 +00:00
parent 24cce56215
commit 39f6286e9f
6 changed files with 127 additions and 0 deletions
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test/libsolidity/semanticTests/strings/empty_string.sol
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contract C {
function f() public pure returns (string memory) {
return "";
}
}
// ====
// compileViaYul: also
// ----
// f() -> 0x20, 0
test/libsolidity/semanticTests/strings/empty_string_input.sol
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contract C {
function f() public pure returns (string memory) {
return "";
}
function g(string calldata msg) public pure returns (string memory) {
return msg;
}
function h(string calldata msg, uint256 v) public pure returns (string memory, uint256) {
return (msg, v);
}
// Adjusting order of input/output intentionally.
function i(string calldata msg1, uint256 v, string calldata msg2) public pure returns (string memory, string memory, uint256) {
return (msg1, msg2, v);
}
function j(string calldata msg1, uint256 v) public pure returns (string memory, string memory, uint256) {
return (msg1, "", v);
}
}
// ====
// compileViaYul: also
// ----
// f() -> 0x20, 0
// g(string): 0x20, 0, "" -> 0x20, 0
// g(string): 0x20, 0 -> 0x20, 0
// h(string,uint256): 0x40, 0x888, 0, "" -> 0x40, 0x0888, 0
// h(string,uint256): 0x40, 0x888, 0 -> 0x40, 0x0888, 0
// i(string,uint256,string): 0x60, 0x888, 0x60, 0, "" -> 0x60, 0x80, 0x0888, 0, 0
// i(string,uint256,string): 0x60, 0x888, 0x60, 0 -> 0x60, 0x80, 0x0888, 0, 0
// j(string,uint256): 0x40, 0x888, 0, "" -> 0x60, 0x80, 0x0888, 0, 0
// j(string,uint256): 0x40, 0x888, 0 -> 0x60, 0x80, 0x0888, 0, 0