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Tests for bytes cleanup.

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This commit is contained in:
chriseth 2018-04-13 17:34:35 +02:00
parent 0201492bbf
commit bf57500e25
1 changed files with 23 additions and 0 deletions
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23
test/libsolidity/SolidityEndToEndTest.cpp
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@ -8807,6 +8807,24 @@ BOOST_AUTO_TEST_CASE(cleanup_bytes_types)
ABI_CHECK(callContractFunction("f(bytes2,uint16)", string("abc"), u256(0x040102)), encodeArgs(0)); ABI_CHECK(callContractFunction("f(bytes2,uint16)", string("abc"), u256(0x040102)), encodeArgs(0));
} }
BOOST_AUTO_TEST_CASE(cleanup_bytes_types_shortening)
{
char const* sourceCode = R"(
contract C {
function f() pure returns (bytes32 r) {
bytes4 x = 0xffffffff;
bytes2 y = bytes2(x);
assembly { r := y }
// At this point, r and y both store four bytes, but
// y is properly cleaned before the equality check
require(y == bytes2(0xffff));
}
}
)";
compileAndRun(sourceCode, 0, "C");
ABI_CHECK(callContractFunction("f()"), encodeArgs("\xff\xff\xff\xff"));
}
BOOST_AUTO_TEST_CASE(skip_dynamic_types) BOOST_AUTO_TEST_CASE(skip_dynamic_types)
{ {
// The EVM cannot provide access to dynamically-sized return values, so we have to skip them. // The EVM cannot provide access to dynamically-sized return values, so we have to skip them.
@ -11322,6 +11340,10 @@ BOOST_AUTO_TEST_CASE(abi_encode)
y[0] = "e"; y[0] = "e";
require(y[0] == "e"); require(y[0] == "e");
} }
function f4() returns (bytes) {
bytes4 x = "abcd";
return abi.encode(bytes2(x));
}
} }
)"; )";
compileAndRun(sourceCode, 0, "C"); compileAndRun(sourceCode, 0, "C");
@ -11329,6 +11351,7 @@ BOOST_AUTO_TEST_CASE(abi_encode)
ABI_CHECK(callContractFunction("f1()"), encodeArgs(0x20, 0x40, 1, 2)); ABI_CHECK(callContractFunction("f1()"), encodeArgs(0x20, 0x40, 1, 2));
ABI_CHECK(callContractFunction("f2()"), encodeArgs(0x20, 0xa0, 1, 0x60, 2, 3, "abc")); ABI_CHECK(callContractFunction("f2()"), encodeArgs(0x20, 0xa0, 1, 0x60, 2, 3, "abc"));
ABI_CHECK(callContractFunction("f3()"), encodeArgs(0x20, 0xa0, 1, 0x60, 2, 3, "abc")); ABI_CHECK(callContractFunction("f3()"), encodeArgs(0x20, 0xa0, 1, 0x60, 2, 3, "abc"));
ABI_CHECK(callContractFunction("f4()"), encodeArgs(0x20, 0x20, "ab"));
} }
BOOST_AUTO_TEST_CASE(abi_encode_v2) BOOST_AUTO_TEST_CASE(abi_encode_v2)