diff options
-rw-r--r-- | libsolidity/Types.cpp | 5 | ||||
-rw-r--r-- | test/libsolidity/SolidityEndToEndTest.cpp | 16 |
2 files changed, 16 insertions, 5 deletions
diff --git a/libsolidity/Types.cpp b/libsolidity/Types.cpp index 43120ce5..18f2817e 100644 --- a/libsolidity/Types.cpp +++ b/libsolidity/Types.cpp @@ -857,8 +857,9 @@ u256 ArrayType::memorySize() const { solAssert(!isDynamicallySized(), ""); solAssert(m_location == DataLocation::Memory, ""); - - return m_length * m_baseType->memoryHeadSize(); + u256 size = m_length * m_baseType->memoryHeadSize(); + solAssert(size <= numeric_limits<unsigned>::max(), "Array size does not fit unsigned."); + return size; } TypePointer ArrayType::copyForLocation(DataLocation _location, bool _isPointer) const diff --git a/test/libsolidity/SolidityEndToEndTest.cpp b/test/libsolidity/SolidityEndToEndTest.cpp index 42dfcd37..3124f9cf 100644 --- a/test/libsolidity/SolidityEndToEndTest.cpp +++ b/test/libsolidity/SolidityEndToEndTest.cpp @@ -5329,19 +5329,29 @@ BOOST_AUTO_TEST_CASE(fixed_arrays_as_return_type) { char const* sourceCode = R"( contract A { - function f() constant returns (uint16[5] arr) + function f(uint16 input) constant returns (uint16[5] arr) { + arr[0] = input; + arr[1] = ++input; + arr[2] = ++input; + arr[3] = ++input; + arr[4] = ++input; } } contract B { - function f() + function f() returns (uint16[5] res, uint16[5] res2) { var a = new A(); - uint16[5] memory res = a.f(); + res = a.f(2); + res2 = a.f(1000); } } )"; compileAndRun(sourceCode, 0, "B"); + BOOST_CHECK(callContractFunction("f()") == encodeArgs( + u256(2), u256(3), u256(4), u256(5), u256(6), // first return argument + u256(1000), u256(1001), u256(1002), u256(1003), u256(1004)) // second return argument + ); } BOOST_AUTO_TEST_SUITE_END() |