diff --git a/test/libjulia/Common.cpp b/test/libjulia/Common.cpp
new file mode 100644
index 000000000..30bb22ea7
--- /dev/null
+++ b/test/libjulia/Common.cpp
@@ -0,0 +1,87 @@
+/*
+    This file is part of solidity.
+
+    solidity is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    solidity is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with solidity.  If not, see <http://www.gnu.org/licenses/>.
+*/
+/**
+ * @date 2017
+ * Common functions the iulia tests.
+ */
+
+#include <test/libjulia/Common.h>
+
+#include <libjulia/optimiser/Disambiguator.h>
+
+#include <libsolidity/parsing/Scanner.h>
+
+#include <libsolidity/inlineasm/AsmParser.h>
+#include <libsolidity/inlineasm/AsmAnalysis.h>
+#include <libsolidity/inlineasm/AsmPrinter.h>
+
+#include <libsolidity/interface/SourceReferenceFormatter.h>
+#include <libsolidity/interface/ErrorReporter.h>
+
+#include <boost/test/unit_test.hpp>
+
+using namespace std;
+using namespace dev::julia;
+using namespace dev::solidity;
+
+void dev::julia::test::printErrors(ErrorList const& _errors, Scanner const& _scanner)
+{
+	for (auto const& error: _errors)
+		SourceReferenceFormatter::printExceptionInformation(
+			cout,
+			*error,
+			(error->type() == Error::Type::Warning) ? "Warning" : "Error",
+			[&](std::string const&) -> Scanner const& { return _scanner; }
+		);
+}
+
+
+pair<shared_ptr<Block>, shared_ptr<assembly::AsmAnalysisInfo>> dev::julia::test::parse(string const& _source, bool _julia)
+{
+	ErrorList errors;
+	ErrorReporter errorReporter(errors);
+	auto scanner = make_shared<Scanner>(CharStream(_source), "");
+	auto parserResult = assembly::Parser(errorReporter, true).parse(scanner);
+	if (parserResult)
+	{
+		BOOST_REQUIRE(errorReporter.errors().empty());
+		auto analysisInfo = make_shared<assembly::AsmAnalysisInfo>();
+		assembly::AsmAnalyzer analyzer(*analysisInfo, errorReporter, true);
+		if (analyzer.analyze(*parserResult))
+		{
+			BOOST_REQUIRE(errorReporter.errors().empty());
+			return make_pair(parserResult, analysisInfo);
+		}
+	}
+	printErrors(errors, *scanner);
+	BOOST_FAIL("Invalid source.");
+
+	// Unreachable.
+	return {};
+}
+
+shared_ptr<assembly::Block> dev::julia::test::disambiguate(string const& _source)
+{
+	auto result = parse(_source);
+	Disambiguator disambiguator(*result.first, *result.second);
+	return disambiguator.run();
+}
+
+string dev::julia::test::format(string const& _source)
+{
+	return assembly::AsmPrinter(_julia)(*parse(_source, _julia).first);
+}
diff --git a/test/libjulia/Common.h b/test/libjulia/Common.h
new file mode 100644
index 000000000..55fa03da1
--- /dev/null
+++ b/test/libjulia/Common.h
@@ -0,0 +1,54 @@
+/*
+    This file is part of solidity.
+
+    solidity is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    solidity is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with solidity.  If not, see <http://www.gnu.org/licenses/>.
+*/
+/**
+ * @date 2017
+ * Common functions the iulia tests.
+ */
+
+#pragma once
+
+#include <libsolidity/inlineasm/AsmData.h>
+
+#include <string>
+#include <vector>
+#include <memory>
+
+namespace dev
+{
+namespace solidity
+{
+class Scanner;
+class Error;
+using ErrorList = std::vector<std::shared_ptr<Error const>>;
+namespace assembly
+{
+struct AsmAnalysisInfo;
+}
+}
+namespace julia
+{
+namespace test
+{
+
+void printErrors(solidity::ErrorList const& _errors, solidity::Scanner const& _scanner);
+std::pair<std::shared_ptr<solidity::assembly::Block>, std::shared_ptr<solidity::assembly::AsmAnalysisInfo>> parse(std::string const& _source);
+std::shared_ptr<solidity::assembly::Block> disambiguate(std::string const& _source);
+std::string format(std::string const& _source);
+
+}
+}
+}
diff --git a/test/libjulia/Disambiguator.cpp b/test/libjulia/Disambiguator.cpp
index baee46415..f5f883bac 100644
--- a/test/libjulia/Disambiguator.cpp
+++ b/test/libjulia/Disambiguator.cpp
@@ -19,90 +19,23 @@
  * Unit tests for the iulia name disambiguator.
  */
 
-#include <libsolidity/parsing/Scanner.h>
+#include <test/libjulia/Common.h>
 
-#include <libsolidity/inlineasm/AsmParser.h>
-#include <libsolidity/inlineasm/AsmAnalysis.h>
 #include <libsolidity/inlineasm/AsmPrinter.h>
 
-#include <libsolidity/interface/ErrorReporter.h>
-#include <libsolidity/interface/SourceReferenceFormatter.h>
-
-#include <libjulia/optimiser/Disambiguator.h>
-
 #include <boost/test/unit_test.hpp>
 
-#include <string>
-#include <memory>
-
 using namespace std;
-using namespace dev::solidity::assembly;
-
-namespace dev
-{
-namespace solidity
-{
-namespace test
-{
-
-namespace
-{
-
-void printErrors(ErrorList const& _errors, Scanner const& _scanner)
-{
-	for (auto const& error: _errors)
-		SourceReferenceFormatter::printExceptionInformation(
-			cout,
-			*error,
-			(error->type() == Error::Type::Warning) ? "Warning" : "Error",
-			[&](std::string const&) -> Scanner const& { return _scanner; }
-		);
-}
-
-
-pair<shared_ptr<Block>, shared_ptr<AsmAnalysisInfo>> parse(string const& _source)
-{
-	ErrorList errors;
-	ErrorReporter errorReporter(errors);
-	auto scanner = make_shared<Scanner>(CharStream(_source), "");
-	auto parserResult = assembly::Parser(errorReporter, true).parse(scanner);
-	if (parserResult)
-	{
-		BOOST_REQUIRE(errorReporter.errors().empty());
-		auto analysisInfo = make_shared<assembly::AsmAnalysisInfo>();
-		assembly::AsmAnalyzer analyzer(*analysisInfo, errorReporter, true);
-		if (analyzer.analyze(*parserResult))
-		{
-			BOOST_REQUIRE(errorReporter.errors().empty());
-			return make_pair(parserResult, analysisInfo);
-		}
-	}
-	printErrors(errors, *scanner);
-	BOOST_FAIL("Invalid source.");
-
-	// Unreachable.
-	return {};
-}
-
-string disambiguate(string const& _source)
-{
-	auto result = parse(_source);
-	julia::Disambiguator disambiguator(*result.first, *result.second);
-	return assembly::AsmPrinter(true)(*disambiguator.run());
-}
-
-string format(string const& _source)
-{
-	return assembly::AsmPrinter(true)(*parse(_source).first);
-}
-
-}
+using namespace dev::julia::test;
+using namespace dev::solidity;
 
 #define CHECK(_original, _expectation)\
 do\
 {\
-	BOOST_CHECK_EQUAL(disambiguate(_original), format(_expectation));\
-	BOOST_CHECK_EQUAL(disambiguate(_original), disambiguate(disambiguate(_original)));\
+	assembly::AsmPrinter p(true);\
+	string result = p(*disambiguate(_original));\
+	BOOST_CHECK_EQUAL(result, format(_expectation));\
+	BOOST_CHECK_EQUAL(result, p(*disambiguate(result)));\
 }\
 while(false)
 
@@ -170,8 +103,3 @@ BOOST_AUTO_TEST_CASE(if_statement)
 }
 
 BOOST_AUTO_TEST_SUITE_END()
-
-
-}
-}
-} // end namespaces