diff options
Diffstat (limited to 'test/libsolidity/SolidityEndToEndTest.cpp')
| -rw-r--r-- | test/libsolidity/SolidityEndToEndTest.cpp | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/test/libsolidity/SolidityEndToEndTest.cpp b/test/libsolidity/SolidityEndToEndTest.cpp index a220fe09..8c537346 100644 --- a/test/libsolidity/SolidityEndToEndTest.cpp +++ b/test/libsolidity/SolidityEndToEndTest.cpp @@ -6755,6 +6755,26 @@ BOOST_AUTO_TEST_CASE(internal_library_function_return_var_size) BOOST_CHECK(callContractFunction("f()") == encodeArgs(u256(2))); } +BOOST_AUTO_TEST_CASE(iszero_bnot_correct) +{ + // A long time ago, some opcodes were renamed, which involved the opcodes + // "iszero" and "not". + char const* sourceCode = R"( + contract C { + function f() returns (bool) { + bytes32 x = 1; + assembly { x := not(x) } + if (x != ~bytes32(1)) return false; + assembly { x := iszero(x) } + if (x != bytes32(0)) return false; + return true; + } + } + )"; + compileAndRun(sourceCode, 0, "C"); + BOOST_CHECK(callContractFunction("f()") == encodeArgs(true)); +} + BOOST_AUTO_TEST_SUITE_END() } |