Add SMTChecker tests for standard JSON

1 files changed, 128 insertions, 0 deletions

diff --git a/test/libsolidity/SMTCheckerJSONTest.cpp b/test/libsolidity/SMTCheckerJSONTest.cpp
new file mode 100644
index 00000000..6e1329a9
--- /dev/null
+++ b/test/libsolidity/SMTCheckerJSONTest.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/>.
+*/
+
+#include <test/libsolidity/SMTCheckerJSONTest.h>
+#include <test/Options.h>
+#include <libsolidity/interface/StandardCompiler.h>
+#include <libdevcore/JSON.h>
+#include <boost/algorithm/string.hpp>
+#include <boost/algorithm/string/join.hpp>
+#include <boost/algorithm/string/predicate.hpp>
+#include <boost/throw_exception.hpp>
+#include <fstream>
+#include <memory>
+#include <stdexcept>
+#include <sstream>
+
+using namespace dev;
+using namespace solidity;
+using namespace dev::solidity::test;
+using namespace dev::solidity::test::formatting;
+using namespace std;
+using namespace boost::unit_test;
+
+SMTCheckerTest::SMTCheckerTest(string const& _filename)
+: SyntaxTest(_filename)
+{
+	BOOST_REQUIRE_MESSAGE(boost::algorithm::ends_with(_filename, ".sol"), "Invalid test contract file name: \"" + _filename + "\".");
+
+	string jsonFilename = _filename.substr(0, _filename.size() - 4) + ".json";
+	BOOST_CHECK(jsonParseFile(jsonFilename, m_smtResponses));
+	BOOST_CHECK(m_smtResponses.isObject());
+}
+
+bool SMTCheckerTest::run(ostream& _stream, string const& _linePrefix, bool const _formatted)
+{
+	StandardCompiler compiler;
+
+	// Run the compiler and retrieve the smtlib2queries (1st run)
+	string versionPragma = "pragma solidity >=0.0;\n";
+	Json::Value input = buildJson(versionPragma);
+	Json::Value result = compiler.compile(input);
+
+	// This is the list of query hashes requested by the 1st run
+	vector<string> outHashes = hashesFromJson(result, "auxiliaryInputRequested", "smtlib2queries");
+
+	// This is the list of responses provided in the test
+	string auxInput("auxiliaryInput");
+	BOOST_CHECK(m_smtResponses.isMember(auxInput));
+	vector<string> inHashes = hashesFromJson(m_smtResponses, auxInput, "smtlib2responses");
+
+	// Ensure that the provided list matches the requested one
+	BOOST_CHECK_MESSAGE(
+		outHashes == inHashes,
+		"SMT query hashes differ: " + boost::algorithm::join(outHashes, ", ") + " x " + boost::algorithm::join(inHashes, ", ")
+	);
+
+	// Rerun the compiler with the provided hashed (2nd run)
+	input[auxInput] = m_smtResponses[auxInput];
+	Json::Value endResult = compiler.compile(input);
+
+	BOOST_CHECK(endResult.isMember("errors"));
+	Json::Value const& errors = endResult["errors"];
+	for (auto const& error: errors)
+	{
+		BOOST_CHECK(error.isMember("type") && error["type"].isString());
+		BOOST_CHECK(error.isMember("message") && error["message"].isString());
+		if (!error.isMember("sourceLocation"))
+			continue;
+		Json::Value const& location = error["sourceLocation"];
+		BOOST_CHECK(location.isMember("start") && location["start"].isInt());
+		BOOST_CHECK(location.isMember("end") && location["end"].isInt());
+		int start = location["start"].asInt();
+		int end = location["end"].asInt();
+		if (start >= static_cast<int>(versionPragma.size()))
+			start -= versionPragma.size();
+		if (end >= static_cast<int>(versionPragma.size()))
+			end -= versionPragma.size();
+		m_errorList.emplace_back(SyntaxTestError{
+			error["type"].asString(),
+			error["message"].asString(),
+			start,
+			end
+		});
+	}
+
+	return printExpectationAndError(_stream, _linePrefix, _formatted);
+}
+
+vector<string> SMTCheckerTest::hashesFromJson(Json::Value const& _jsonObj, string const& _auxInput, string const& _smtlib)
+{
+	vector<string> hashes;
+	Json::Value const& auxInputs = _jsonObj[_auxInput];
+	if (!!auxInputs)
+	{
+		Json::Value const& smtlib = auxInputs[_smtlib];
+		if (!!smtlib)
+			for (auto const& hashString: smtlib.getMemberNames())
+				hashes.push_back(hashString);
+	}
+	return hashes;
+}
+
+Json::Value SMTCheckerTest::buildJson(string const& _extra)
+{
+	string language = "\"language\": \"Solidity\"";
+	string sourceName = "\"A\"";
+	string sourceContent = "\"" + _extra + m_source + "\"";
+	string sourceObj = "{ \"content\": " + sourceContent + "}";
+	string sources = " \"sources\": { " + sourceName + ": " + sourceObj + "}";
+	string input = "{" + language + ", " + sources + "}";
+	Json::Value source;
+	BOOST_REQUIRE(jsonParse(input, source));
+	return source;
+}