Unit test.

Author: ekpyron

test/libsolidity/SolidityEndToEndTest.cpp

@@ -84,6 +84,34 @@ struct SolidityEndToEndTestExecutionFramework: public SolidityExecutionFramework
 
 BOOST_FIXTURE_TEST_SUITE(SolidityEndToEndTest, SolidityEndToEndTestExecutionFramework)
 
+BOOST_AUTO_TEST_CASE(creation_code_optimizer)
+{
+	string codeC = R"(
+		contract C {
+			constructor(uint x) {
+			if (x == 0xFFFFFFFFFFFFFFFF42)
+				revert();
+			}
+		}
+	)";
+	string codeD = R"(
+		contract D {
+			function f() public pure returns (bytes memory) {
+				return type(C).creationCode;
+			}
+		}
+	)";
+
+	m_metadataHash = CompilerStack::MetadataHash::None;
+	ALSO_VIA_YUL({
+		bytes bytecodeC = compileContract(codeC);
+		reset();
+		compileAndRun(codeC + codeD);
+		ABI_CHECK(callContractFunction("f()"), encodeArgs(0x20, bytecodeC.size()) + encode(bytecodeC, false));
+		m_doEwasmTestrun = false;
+	})
+}
+
 unsigned constexpr roundTo32(unsigned _num)
 {
 	return (_num + 31) / 32 * 32;

test/libsolidity/SolidityExecutionFramework.cpp

@@ -62,6 +62,7 @@ bytes SolidityExecutionFramework::multiSourceCompileContract(
 	m_compiler.enableEvmBytecodeGeneration(!m_compileViaYul);
 	m_compiler.enableIRGeneration(m_compileViaYul);
 	m_compiler.setRevertStringBehaviour(m_revertStrings);
+	m_compiler.setMetadataHash(m_metadataHash);
 	if (!m_compiler.compile())
 	{
 		// The testing framework expects an exception for

test/libsolidity/SolidityExecutionFramework.h

@@ -75,11 +75,12 @@ class SolidityExecutionFramework: public solidity::test::ExecutionFramework
 	/// the latter only if it is forced.
 	static std::string addPreamble(std::string const& _sourceCode);
 protected:
-
-	solidity::frontend::CompilerStack m_compiler;
+	using CompilerStack = solidity::frontend::CompilerStack;
+	CompilerStack m_compiler;
 	bool m_compileViaYul = false;
 	bool m_compileToEwasm = false;
 	bool m_showMetadata = false;
+	CompilerStack::MetadataHash m_metadataHash = CompilerStack::MetadataHash::IPFS;
 	RevertStrings m_revertStrings = RevertStrings::Default;
 };