LLL: Add compiler tests

test/liblll/Compiler.cpp

@@ -0,0 +1,128 @@
+/*
+    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/>.
+*/
+/**
+ * @author Alex Beregszaszi
+ * @date 2017
+ * Unit tests for the LLL compiler.
+ */
+
+#include <string>
+#include <memory>
+#include <boost/test/unit_test.hpp>
+#include <liblll/Compiler.h>
+
+using namespace std;
+
+namespace dev
+{
+namespace lll
+{
+namespace test
+{
+
+namespace
+{
+
+bool successCompile(std::string const& _sourceCode)
+{
+	std::vector<std::string> errors;
+	bytes bytecode = eth::compileLLL(_sourceCode, false, &errors);
+	if (!errors.empty())
+		return false;
+	if (bytecode.empty())
+		return false;
+	return true;
+}
+
+}
+
+BOOST_AUTO_TEST_SUITE(LLLCompiler)
+
+BOOST_AUTO_TEST_CASE(smoke_test)
+{
+	char const* sourceCode = "1";
+	BOOST_CHECK(successCompile(sourceCode));
+}
+
+BOOST_AUTO_TEST_CASE(switch_valid)
+{
+	char const* sourceCode = R"(
+		(switch (origin))
+	)";
+	BOOST_CHECK(successCompile(sourceCode));
+	sourceCode = R"(
+		(switch
+			1 (panic)
+			2 (panic))
+	)";
+	BOOST_CHECK(successCompile(sourceCode));
+	sourceCode = R"(
+		(switch
+			1 (panic)
+			2 (panic)
+			(panic))
+	)";
+	BOOST_CHECK(successCompile(sourceCode));
+	sourceCode = R"(
+		(switch
+			1 (origin)
+			2 (origin)
+			(origin))
+	)";
+	BOOST_CHECK(successCompile(sourceCode));
+}
+
+BOOST_AUTO_TEST_CASE(switch_invalid_arg_count)
+{
+	char const* sourceCode = R"(
+		(switch)
+	)";
+	BOOST_CHECK(!successCompile(sourceCode));
+}
+
+BOOST_AUTO_TEST_CASE(switch_inconsistent_return_count)
+{
+	// cannot return stack items if the default case is not present
+	char const* sourceCode = R"(
+		(switch
+			1 (origin)
+			2 (origin)
+	)";
+	BOOST_CHECK(!successCompile(sourceCode));
+	// return count mismatch
+	sourceCode = R"(
+		(switch
+			1 (origin)
+			2 (origin)
+			(panic))
+	)";
+	BOOST_CHECK(!successCompile(sourceCode));
+	// return count mismatch
+	sourceCode = R"(
+		(switch
+			1 (panic)
+			2 (panic)
+			(origin))
+	)";
+	BOOST_CHECK(!successCompile(sourceCode));
+}
+
+BOOST_AUTO_TEST_SUITE_END()
+
+}
+}
+} // end namespaces